WO2020194688A1

WO2020194688A1 - Heating-type tobacco, heating-type tobacco product, and method and device for producing tobacco rod for heating-type tobacco

Info

Publication number: WO2020194688A1
Application number: PCT/JP2019/013706
Authority: WO
Inventors: 哲也眞鍋; 宏海植松; 尚弘時津; 片山　和彦; 渓介春木
Original assignee: 日本たばこ産業株式会社
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-10-01
Also published as: JP2024053115A; JP7454721B2; JP2023054252A; JPWO2020194688A1; EP3949769A4; EP3949769A1; JP7579999B2; CN113645858A; JP7238096B2; KR20210139392A; CN113645858B

Abstract

Provided is a technique that is used for a heating-type tobacco provided with a tobacco rod having a tobacco filler containing a tobacco raw material and an aerosol generating substrate and a rolling paper for rolling the tobacco filler and a production method therefor to ensure delivery of a large amount of aerosol and enable a heater to be smoothly inserted into the tobacco filler. This heating-type tobacco is provided with a tobacco rod having a tobacco filler and a rolling paper for rolling the tobacco filler. The tobacco filler has multiple tobacco strands containing an aerosol generating substrate and a tobacco raw material and each having a strand shape. The multiple tobacco strands are aligned and arranged to extend in the longitudinal direction of the tobacco rod.

Description

Heat-not-burn tobacco, heat-not-burn tobacco products, tobacco rod manufacturing methods and equipment for heat-not-burn tobacco

The present invention relates to a heat-not-burn tobacco product, a heat-not-burn tobacco product, a method for manufacturing a tobacco rod in the heat-not-burn tobacco, and a manufacturing apparatus.

Heating with a tobacco rod formed by filling the inside of a wrapping paper with a tobacco filler containing a tobacco material (eg, chopped tobacco, tobacco granules, reconstituted tobacco material, etc.) and an aerosol-forming substrate (glycerin, propylene glycol, etc.) Formula tobacco is known (see, for example, Patent Document 1). This type of heat-not-burn tobacco is a type of tobacco article in which the tobacco filler is heated by a heater in a heating device without burning, and the aerosol produced in the tobacco filler is delivered to the user. As a heater, heaters having various shapes such as a blade shape and a rod shape have been put into practical use, and the tobacco rod is attached to the heating device by inserting the heater from the tip surface of the tobacco rod at the time of use.

Japanese Patent No. 5920744 Japanese Patent No. 6004151 Japanese Patent No. 6017546 Japanese Unexamined Patent Publication No. 62-272962

Here, in the conventional tobacco rod in the heat-not-burn tobacco, since the tobacco raw material in the tobacco filler is randomly oriented, it is difficult to smoothly insert the heater into the tobacco filler when the heat-not-burn tobacco is attached to the heating device. May be. Further, when a heat-not-burn tobacco rod is formed by using a tobacco filler in which the tobacco raw material is randomly oriented, the aerosol produced by volatilizing the aerosol-producing base material is generated at a low temperature of the randomly oriented tobacco raw material. When exposed to a portion, it may condense or be easily filtered by a tobacco raw material, which may reduce the amount of aerosol delivered into the oral cavity.

The present invention has been made in view of the above circumstances, and an object thereof is heating with a tobacco filler containing a tobacco raw material and an aerosol-producing base material and a tobacco rod having a wrapping paper for winding the tobacco filler. It is an object of the present invention to provide a technique for providing an excellent amount of aerosol delivered and enabling smooth insertion of a heater into a tobacco filler in the formula tobacco and the method for producing the same.

In order to solve the above problems, the present invention employs a structure in which a large number of long tobacco strands obtained by molding a tobacco raw material into a strand shape are arranged so as to extend along the long axis direction of the tobacco rod. I did.

More specifically, the present invention is a manufacturing method for manufacturing a tobacco rod in heat-not-burn tobacco, in which a plurality of the tobacco raw material sheets are continuously transported along the transport path while the tobacco raw material sheet is transported along the transport path. A rod-shaped cutting step of cutting into a strand-shaped tobacco strand continuum, and a rod-shaped wrapping of the plurality of tobacco strand continuums obtained in the cutting step in a state of being aligned along the transport path. It is characterized by including a molding step of forming a tobacco rod continuum and a cutting step of sequentially cutting the tobacco rod continuum obtained in the molding step into individual tobacco rods.

Here, the tobacco raw material sheet may be obtained by molding a tobacco raw material containing an aerosol-producing base material into a sheet shape.

Further, the tobacco raw material sheet is wound around the bobbin, and the tobacco raw material sheet continuously fed out from the bobbin may be transported along the transport path.

In the manufacturing method for producing a tobacco rod in heat-not-burn tobacco, the tobacco raw material sheet may be cut so that a plurality of tobacco strand continuums having a constant width can be obtained in the cutting step.

In addition, the manufacturing method for producing a tobacco rod in heat-not-burn tobacco further includes a calendar processing step of increasing the density of the tobacco raw material sheet by performing a calendar treatment on the tobacco raw material sheet, and in the cutting step, the said While transporting the tobacco raw material sheet after the calendar treatment along the transport path, the tobacco raw material sheet may be continuously cut into a plurality of strand-shaped tobacco strand continuums along the transport path.

Further, in the manufacturing method for producing a tobacco rod in heat-not-burn tobacco, an addition step of adding at least one of a fragrance and an aerosol-producing base material to the plurality of tobacco strand continuums obtained in the cutting step is added. , Further may be included. In that case, the addition step is a process of wrapping the plurality of tobacco strand continuums with the wrapping paper in the molding step, and at least one of the perfume and the aerosol-forming base material is applied to the plurality of tobacco strand continuums. It may be added.

Further, the present invention is a manufacturing apparatus for manufacturing a tobacco rod in a heated tobacco, which is arranged in a transport path of a bobbin in which a tobacco raw material sheet is wound and a tobacco raw material sheet continuously delivered from the bobbin. A cutting section for continuously cutting the tobacco raw material sheet into a plurality of strand-shaped tobacco strand continuums along the transport path, and a plurality of tobacco strand continuums arranged downstream of the cutting section in the transport path. A molding section that forms a rod-shaped tobacco rod continuum by wrapping it with a wrapping paper in a state of being aligned along the transport path, and a tobacco rod continuum that is arranged downstream of the molding section in the transport path. It is characterized by comprising a cutting section, which sequentially cuts into individual tobacco rods having a predetermined length.

Here, the cutting section may cut the tobacco raw material sheet so that a plurality of tobacco strand continuums having a constant width can be obtained.

Further, the cutting section has a cutter arranged in parallel with the transport path, and the tobacco raw material sheet passes through the cutter along the transport path, so that the tobacco raw material sheet is continuously formed by the cutter. It may be cut into a plurality of tobacco strand continuums.

Further, the present invention is a heat-not-burn tobacco having a tobacco rod having a tobacco filler and a wrapping paper for winding the tobacco filler, wherein the tobacco filler contains an aerosol-producing base material and a tobacco raw material and has a strand shape. It has a plurality of tobacco strands, and the plurality of tobacco strands are arranged so as to extend along the long axis direction of the tobacco rod.

Here, the tobacco strands may be arranged parallel to each other along the long axis direction of the tobacco rod.

Further, the tobacco strand may be stretched from the front end to the rear end of the tobacco rod.

Further, the tobacco strand may have a strip shape.

Further, the tobacco strand may have a rectangular cross section orthogonal to the long axis direction thereof.

Further, in the tobacco strand, the width dimension of the cross section orthogonal to the long axis direction may be 0.4 mm or more and 3 mm or less.

Further, in the tobacco strand, the thickness dimension of the cross section orthogonal to the long axis direction may be 0.02 mm or more and 1.3 mm or less.

Further, in the tobacco strand, the length dimension along the long axis direction may be 10 mm or more and 50 mm or less.

Further, the diameter of the tobacco rod may be 5 mm or more and 8 mm or less.

Further, the tobacco strands may have the same cross-sectional area orthogonal to the long axis direction over the entire length.

Further, the content of the aerosol-forming base material in the tobacco rod may be 10 wt% or more and 25 wt% or less.

Further, the heat-not-burn tobacco has a mouthpiece portion coaxially connected to the proximal end side of the tobacco rod, and the mouthpiece portion cools a volatile substance released from the aerosol-producing base material. It may include the cooling part of.

Further, the mouthpiece portion is arranged at a connection end connected to the base end side of the tobacco rod, and includes a support portion for suppressing the tobacco strand from being pushed into the region on the mouthpiece portion side. You can stay.

Further, the mouthpiece portion may include a filter portion arranged on the mouthpiece end side of the mouthpiece portion.

Further, the volume filling rate of the tobacco strand occupying the tobacco rod may be 50 vol% or more and 80 vol% or less.

Further, in the heat-not-burn tobacco, when the heater of the heating device to which the heat-not-burn tobacco is applied is an external heating heater, the volume filling rate of the tobacco strand occupying the tobacco rod is 60 vol% or more and 80 vol% or less. There may be.

Further, in the heat-not-burn tobacco, when the heater of the heating device to which the heat-not-burn tobacco is applied is an internal heating heater, the volume filling rate of the tobacco strand occupying the tobacco rod is 50 vol% or more and 75 vol% or less. There may be.

Further, the present invention may be a heat-not-burn tobacco product including any of the above-mentioned heat-not-burn tobacco and a heating device to which the heat-not-burn tobacco is applied.

In the heat-not-burn tobacco product according to the present invention, the heating device includes a rod accommodating portion to which the tobacco rod can be mounted in the heated tobacco, and a heater provided in the rod accommodating portion. In the case of an internal heating type heater that is inserted from the tip side of the tobacco rod when the tobacco rod is attached to the rod accommodating portion, the tobacco rod is attached to the rod accommodating portion. The volume filling rate of the tobacco strand occupying the tobacco rod may be 60 vol% or more and 80 vol% or less.

Further, in the heat-not-burn tobacco product according to the present invention, the ratio of the maximum diameter of the heater to the diameter of the cross section orthogonal to the long axis direction of the tobacco rod may be 0.3 or more and 0.6 or less. ..

It should be noted that the means for solving the problems in the present invention can be adopted in combination as much as possible.

According to the present invention, in a heat-not-burn tobacco having a tobacco filler containing a tobacco raw material and an aerosol-producing substrate and a tobacco rod having a wrapping paper for winding the tobacco filler, the delivery amount of the aerosol is excellent, and the amount of the aerosol is excellent with respect to the tobacco filler. It is possible to provide a technique capable of smoothly inserting the heater and further suppressing the tobacco raw material from being pushed by the heater when the heater is inserted into the tobacco filler.

FIG. 1 is a diagram schematically showing the internal structure of the heat-not-burn tobacco according to the first embodiment. FIG. 2 is a perspective view showing an example of a tobacco strand. FIG. 3 is a schematic configuration diagram of a heating device to which heat-not-burn tobacco is applied. FIG. 4 is a diagram showing a modified example of a heating device to which heat-not-burn tobacco is applied. FIG. 5 is a diagram showing a tobacco rod manufacturing apparatus according to the first embodiment. FIG. 6 is a diagram showing a method for manufacturing a tobacco rod according to the first embodiment. FIG. 7 is a diagram showing a detailed structure of the slitter in the cutting section. FIG. 8 is a diagram illustrating calendar processing for a tobacco raw material sheet. FIG. 9 is a diagram illustrating a method of producing a tobacco raw material sheet by a papermaking method. FIG. 10 is a diagram illustrating a method of producing a tobacco raw material sheet by a casting method. FIG. 11 is a diagram showing a tobacco strand according to a modified example.

Here, the heat-not-burn tobacco according to the present invention, the method for manufacturing the tobacco rod in the heat-not-burn tobacco, and the embodiment of the manufacturing apparatus will be described with reference to the drawings. The dimensions, materials, shapes, relative arrangements, etc. of the components described in the present embodiment are not intended to limit the technical scope of the invention to those, unless otherwise specified. Absent.

<Embodiment 1>
[Heat-not-burn tobacco]
FIG. 1 is a diagram schematically showing an internal structure of the heat-not-burn tobacco 1 according to the first embodiment. The heat-not-burn tobacco 1 is a type of tobacco article in which the tobacco filler is heated without being burned and the aerosol produced in the tobacco filler is delivered to the user.

The heat-not-burn tobacco 1 includes a tobacco rod 2 and a mouthpiece portion 3 arranged coaxially. Heat-not-burn tobacco 1 has a mouthpiece end 1a that the user inserts into the oral cavity during use, and a tip end 1b at an end opposite to the mouthpiece end 1a. The mouthpiece portion 3 has a support portion 4, a cooling portion 5, and a filter portion 6 arranged coaxially, and these members are arranged in order from the tip end side of the mouthpiece portion 3. The support portion 4, the cooling portion 5, and the filter portion 6 of the mouthpiece portion 3 are integrally wound by the wrapper 7. Further, the tobacco rod 2 and the mouthpiece portion 3 are integrally connected by being wound up by the tip paper 8. However, a part of the support portion 4, the cooling portion 5, and the filter portion 6 constituting the mouthpiece portion 3 may be integrally wound by a wrapper. In that case, and the one wound integrally with the wrapper and the other parts may be wound with one or more chip papers. Reference numeral CL1 shown in FIG. 1 is the central axis of the heat-not-burn tobacco 1. Here, the tobacco rod 2 and the mouthpiece portion 3 of the heat-not-burn tobacco 1 are arranged coaxially, and the central axis CL1 can be said to be the central axis of the tobacco rod 2 and the mouthpiece portion 3. Further, reference numeral 2a in FIG. 1 is a front end surface of the tobacco rod 2, and reference numeral 2b is a rear end surface of the tobacco rod 2.

When the heat-not-burn tobacco 1 is used, air is sucked by the user from the tip 1b to the mouthpiece end 1a through the heat-not-burn tobacco 1. The tip 1b of the heat-not-burn tobacco 1 can be regarded as the tip or the upstream end of the tobacco rod 2, and the mouthpiece end 1a of the heat-not-burn tobacco 1 can be regarded as the rear end or the downstream end of the mouthpiece portion 3.

The tobacco rod 2 is arranged at the tip 1b of the heat-not-burn tobacco 1. The tobacco rod 2 is a rod-shaped member wrapped with rolling paper 22 so as to cover the side surface of the tobacco filler 21 containing the tobacco raw material and the aerosol-producing base material. In the present embodiment, the tobacco filler 21 has a plurality of strand-shaped tobacco strands 23, which are tobacco raw materials containing an aerosol-forming substrate. As used herein, the term "strand-shaped" means an elongated elongated shape extending in a long axis direction orthogonal to the cross-sectional direction, for example, a strip-shaped, strip-shaped, string-shaped, or string-shaped. Shapes such as rods are included. Further, the "strand shape" is not limited to the one extending linearly in the long axis direction, and may extend in a meandering shape or a wavy shape. The aerosol-forming substrate contained in the tobacco strand 23 of the tobacco filler 21 is a substance that produces an aerosol when the volatile substance that is volatilized and released when the heater is heated is cooled. The type of aerosol-producing base material is not particularly limited, and extracts from various natural products can be appropriately selected depending on the intended use. Examples of the aerosol-forming base material include glycerin, propylene glycol, triacetin, 1,3-butanediol, and a mixture thereof. Further, the tobacco strand 23 of the tobacco filler 21 may contain a fragrance. The type of fragrance is not particularly limited. In this embodiment, an embodiment in which the content of the aerosol-forming base material in the tobacco rod 2 is 10 wt% or more and 25 wt% or less can be exemplified.

FIG. 2 is a perspective view showing an example of the tobacco strand 23. In the example shown in FIG. 2, the tobacco strand 23 has a strip shape (for example, a thin rectangular parallelepiped shape). As shown in FIG. 2, the tobacco strand 23 can also be regarded as a band shape. A large number (plurality) of tobacco strands 23 are oriented and arranged on the tobacco filler 21 of the tobacco rod 2 in the present embodiment, and each tobacco strand 23 is arranged in the long axis direction (central axis CL1 direction) of the tobacco rod 2. ) Are aligned so as to extend along. In the tobacco strand 23, the cross section orthogonal to the long axis direction is rectangular.

Reference numeral 23a shown in FIG. 2 is the front end surface of the tobacco strand 23, and reference numeral 23b is the rear end surface of the tobacco strand 23. The front end surface 23a of the tobacco strand 23 is the end surface facing the tip 1b of the heat-not-burn tobacco 1, and the rear end surface 23b of the tobacco strand 23 is the front end surface 23a in the long axis direction (extension direction) of the tobacco strand 23. The opposite end face. In the present embodiment, the rear end surface 23b of the tobacco strand 23 is arranged so as to face the front end surface of the support portion 4 arranged at the front end of the mouthpiece portion 3. Reference numeral 23c shown in FIG. 2 is a side surface of the tobacco strand 23. The tobacco strand 23 shown in FIG. 2 has the same width dimension and thickness dimension from the front end surface 23a to the rear end surface 23b. In other words, the tobacco strand 23 shown in FIG. 2 has a uniform cross-sectional area over the entire length.

As shown in FIG. 1, each tobacco strand 23 arranged so as to extend along the long axis direction of the tobacco rod 2 is arranged so that the side surfaces 23c of the tobacco rod 2 face each other. In the example shown in FIG. 1, each tobacco strand 23 is arranged parallel to each other along the long axis direction of the tobacco rod 2. Further, each tobacco strand 23 is stretched and arranged from the front end surface 2a to the rear end surface 2b of the tobacco rod 2. Reference numeral 25 shown in FIG. 1 is an aerosol flow path formed by a gap between the tobacco strands 23. In the present embodiment, since the tobacco strands 23 are arranged parallel to each other along the long axis direction of the tobacco rod 2, for example, the aerosol flow path 25 is formed so as to extend along the long axis direction of the tobacco rod 2. Will be done.

Here, the details of the method for manufacturing the tobacco strand 23 and the tobacco rod 2 provided with the tobacco strand 23 will be described later. For example, a tobacco raw material sheet obtained by molding a tobacco raw material containing an aerosol-forming base material into a sheet is used as a slitter. It can be obtained by cutting by slitting with or the like. The above-mentioned tobacco raw material sheet may be a so-called reconstituted tobacco sheet. The reconstituted tobacco sheet is kneaded by adding a binder, a gelling agent, a cross-linking agent, a fragrance, a viscosity regulator, a moisturizing agent, a reinforcing material, etc. as additives to homogenized tobacco, and kneading the sheet. It may be formed into a sheet and dried by an appropriate method such as (absorption method), casting method (slurry method), rolling method, extrusion method or the like. The homogenized tobacco is, for example, a tobacco material obtained by crushing, grinding and mixing leaf tobacco, dried tobacco leaves, chopped tobacco, swollen tobacco, regenerated tobacco and the like.

Next, the mouthpiece unit 3 will be described. The support portion 4 is a segment located on the front end side of the mouthpiece portion 3 and located at the connection end where the mouthpiece portion 3 is connected to the tobacco rod 2. The support portion 4 is located immediately downstream of the tobacco rod 2 and is arranged in contact with the rear end of the tobacco rod 2. The support portion 4 may be, for example, a hollow cellulose acetate tube. In other words, the support portion 4 may be formed by penetrating a center hole in the center of the cross section of the columnar cellulose acetate fiber bundle. Further, as another form, the support portion 4 may be a paper filter filled with cellulose fibers, a paper tube, or the like. A paper tube having a certain thickness can be effectively functioned as the support portion 4. In the support portion 4, when the electric heater of the heating device to which the heat-not-burn tobacco 1 is applied is inserted into the tobacco rod 2, the tobacco filler 21 is moved downstream toward the cooling portion 5 in the heat-not-burn tobacco 1. It is a segment to prevent being pushed. The support portion 4 also functions as a spacer for separating the cooling portion 5 of the heat-not-burn tobacco 1 from the tobacco rod 2.

The cooling unit 5 is located immediately downstream of the support unit 4 and is arranged in contact with the rear end of the support unit 4. When the heat-not-burn tobacco 1 is used, the volatile substance released from the tobacco rod 2 (tobacco filler 21) flows toward the downstream side along the cooling unit 5. The volatile substance released from the tobacco rod 2 (tobacco filler 21) is cooled by the cooling unit 5 to form an aerosol inhaled by the user. In the form shown in FIG. 1, the cooling unit 5 is formed of a hollow paper tube having ventilation holes 5a into which external air can be introduced. However, the cooling unit 5 does not have to have the ventilation hole 5a. Further, the cooling unit 5 may have a heat absorbing agent arranged so as not to obstruct the flow of volatile substances and aerosols. For example, the cooling portion 5 may be formed by a filter material in which a large number of flow paths (through holes) are formed along the longitudinal direction (axial direction) of the mouthpiece portion 3.

The filter unit 6 is a segment located at the rear end of the mouthpiece unit 3, that is, on the mouthpiece end 1a side. The filter unit 6 may be located immediately downstream of the cooling unit 5 and may be arranged in contact with the rear end of the cooling unit 5. In the form shown in FIG. 1, the filter unit 6 may include, for example, a filter material formed of cellulose acetate fibers formed into a columnar shape. Further, the filter unit 6 may be a center hole filter, a paper filter filled with cellulose fibers, or a paper tube containing no filter medium. The filter unit 6 may be formed of any of a solid filter material having a filter medium, a center hole filter, a paper filter, and a paper tube containing no filter medium, or is formed by selectively combining a plurality of these. You may.

FIG. 3 is a schematic configuration diagram of a heating device 100 to which the heat-not-burn tobacco 1 according to the first embodiment is applied. The heating device 100 has a housing 102 that is a housing for accommodating various components. An electric heater 103, a controller (control unit) 104, a power supply 105, and the like are housed in the housing 102. The housing 102 has a containment cavity 107 that includes an opening 106 into which the tobacco rod 2 of the heat-not-burn tobacco 1 is inserted. The accommodating cavity 107 is a hollow portion having a cylindrical shape for accommodating the tobacco rod 2, and corresponds to a rod accommodating portion to which the tobacco rod 2 can be mounted. The present invention can also be provided as a heat-not-burn tobacco product including a heat-not-burn tobacco 1 and a heating device 100 to which the heat-not-burn tobacco 1 is applied.

As shown in FIG. 3, an electric heater 103 is provided in the accommodation cavity 107. The electric heater 103 shown in FIG. 3 has a cylindrical shape, and projects vertically from the central portion of the bottom portion 107a of the accommodation cavity 107 toward the opening 106 side. However, the shape of the electric heater 103 is not particularly limited. For example, the tip side of the electric heater 103 may be sharp. For example, the electric heater 103 may have a conical shape and gradually taper from the base end portion connected to the bottom portion 107a in the accommodation cavity 107 toward the tip end portion side. Further, the electric heater 103 may have a truncated cone shape (a truncated cone shape) or a blade shape. Further, the electric heater 103 may have other shapes. The central axis of the electric heater 103 in this embodiment may be coaxial with the central axis of the accommodating cavity 107. The type of the electric heater 103 is not particularly limited, but for example, a steel material having a heating wire (for example, nichrome, iron chromium, iron nickel, etc.) arranged around it, a ceramic heater, a sheathed heater, or the like. Can be used. The sheathed heater is a heater in which heat rays are covered with a metal pipe together with a filler.

The electric heater 103 of the heating device 100 configured as described above is a so-called internal heating type heater. That is, when the tobacco rod 2 is mounted in the accommodation cavity 107 when the heat-not-burn tobacco 1 is used, the electric heater 103 is fitted or inserted into the tobacco filler 21 from the front end surface 2a side of the tobacco rod 2 in the heat-not-burn tobacco 1, and heat is generated. The tobacco filler 21 is heated from the inside by the electric heater 103. The controller (control unit) 104 controls the energization from the power supply 105 to the electric heater 103, and the electric heater 103 generates heat, so that the tobacco filler 21 (tobacco strand 23) of the tobacco rod 2 mounted in the accommodation cavity 107 is pressed. Heat. As a result, the aerosol-forming base material contained in the tobacco filler 21 (tobacco strand 23) volatilizes to generate an aerosol, and the aerosol is supplied to the oral cavity of the user who sucks the mouthpiece portion 3.

According to the heat-not-burn tobacco 1 in the present embodiment, each tobacco strand 23 in the tobacco rod 2 is oriented and arranged so as to extend along the long axis direction (central axis CL1 direction) of the tobacco rod 2. Each tobacco strand 23 is aligned so as to extend along the long axis direction (central axis CL1 direction) of the tobacco rod 2. Further, in the tobacco rod 2 of the present embodiment, the aerosol flow path 25, which is a gap between the tobacco strands 23, is formed so as to extend along the long axis direction of the tobacco rod 2. Therefore, the aerosol generated by the volatilization of the aerosol-forming base material contained in the tobacco strand 23 during heating by the electric heater 103 can be guided to the mouthpiece portion 3 through the aerosol flow path 25. According to this, the aerosol produced by the tobacco rod 2 is less likely to be condensed due to the contact with the tobacco strand 23, and is less likely to be filtered by the tobacco strand 23. Therefore, according to the heat-not-burn tobacco 1 in the present embodiment, the amount of aerosol delivered into the oral cavity of the user can be improved as compared with the conventional case.

Further, according to the heat-not-burn tobacco 1 in the present embodiment, the tobacco strands 23 in the tobacco rod 2 are aligned along the long axis direction (central axis CL1 direction) of the tobacco rod 2, as in the conventional case. Compared with the case where the tobacco raw materials are randomly oriented, the operation of inserting or inserting the electric heater 103 from the tip 1b side of the tobacco rod 2 becomes easier. As a result, the electric heater 103 can be easily inserted or inserted into the tobacco rod 2, and the heated tobacco 1 can be provided with excellent usability for the user. As described above, according to the tobacco rod 2 of the heat-not-burn tobacco 1 in the present embodiment, the delivery amount of the aerosol is excellent, and the electric heater 103 can be smoothly inserted into the tobacco filler 21.

Note that the heating device applied to the heat-not-burn tobacco 1 in the present embodiment may include an external heating type heater as shown in FIG. 4 instead of the internal heating type as shown in FIG. The heating device 100 shown in FIG. 4 has the same structure as the heating device 100 shown in FIG. 3, except that the electric heater 103 is an external heating type. The electric heater 103 shown in FIG. 4 is an annular external heating type heater formed along the cavity side peripheral wall 107b in the accommodation cavity 107. The electric heater 103 shown in FIG. 4 may be arranged along the cavity side peripheral wall 107A so as to be flush with the cavity side peripheral wall 107b, for example. When the heat-not-burn tobacco 1 is applied to the heating device 100 provided with the external heating type electric heater 103 as shown in FIG. 4, when the heat-not-burn tobacco 1 is used, the tobacco rod 2 mounted in the accommodation cavity 107 The tobacco filler 21 is heated by the electric heater 103 from the outside.

Here, a preferable range of the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 will be described. The volume filling rate of the tobacco strand 23 referred to here is the ratio of the total volume of all the tobacco strands 23 contained in the tobacco rod 2 to the volume of the tobacco rod 2. If the volume filling rate of the tobacco strand 23 is excessively high, there is a concern that the ventilation resistance of the tobacco rod 2 (tobacco filling material 21) becomes excessively high. As a result, the aerosol generated by the tobacco rod 2 at the time of use is filtered (captured) by the tobacco strand 23 in the tobacco rod 2 before being introduced into the mouthpiece portion 3, and the delivery amount of the aerosol is reduced. There is concern that it will end up. On the other hand, if the volume filling rate of the tobacco strand 23 is excessively low, there is a concern that the heat transfer efficiency to the tobacco strand 23 will decrease during heating by the electric heater 103, and the amount of aerosol delivered will decrease. For example, when the internal heating type electric heater 103 shown in FIG. 3 is used, the contact between the electric heater 103 and the tobacco strand 23 becomes insufficient with the electric heater 103 inserted in the tobacco rod 2, and the tobacco strand There is a risk that the heating of 23 will be insufficient.

In consideration of the above circumstances, the present inventors have obtained the finding that it is preferable that the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 is 50 vol% or more and 80 vol% or less as a result of diligent studies. As a result, it is possible to suppress the decrease in the heat transfer efficiency from the electric heater 103 to the tobacco strand 23 while suppressing the aeration resistance of the tobacco rod 2 (tobacco filler 21) from becoming excessively high. As a result, it is possible to prevent the amount of aerosol delivered from being reduced during use. Further, if the volume filling rate of the tobacco strand 23 is lower than 50 vol%, the heat transfer efficiency from the electric heater 103 to the tobacco strand 23 is lowered, and the manufacturing suitability of the tobacco rod 2 may be lowered. Further, if the volume filling rate of the tobacco strand 23 exceeds 80 vol%, it becomes difficult to insert the electric heater 103 into the tobacco rod 2, the ventilation resistance tends to increase, and the aerosol traps in the middle. It may be captured) and the delivery efficiency of the aerosol may decrease. For the above reasons, the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 is preferably in the range of 50 vol% or more and 80 vol% or less.

Here, the preferable range of the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 is the difference in the heating method of the electric heater 103 of the heating device 100 to which the heating type tobacco 1 is applied (internal heating type heater, external heating type heater). ) Depends on. Further, when the electric heater 103 is an internal heating type, it depends on whether or not the electric heater 103 is inserted into the tobacco rod 2 (the state in which the tobacco rod 2 is attached to the heating device 100). The preferred range of volume filling of the tobacco strand 23 is different. For example, when the electric heater 103 of the heating device 100 to which the heat-not-burn tobacco 1 is applied is an external heater, the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 is 60 vol% or more and 80 vol% or less. Is preferable.

Further, when the electric heater 103 of the heating device 100 to which the heating type tobacco 1 is applied is an internal heating type heater, the volume filling rate of the tobacco strand 23 occupying the tobacco rod 2 is 50 vol% or more and 75 vol% or less. Is preferable, and 60 vol% is more preferable. The volume filling rate up to the above refers to a preferable range of the volume filling rate of the tobacco strand 23 before mounting the tobacco rod 2 in the accommodation cavity 107 of the heating device 100. When the electric heater 103 is an internal heating type heater, the electric heater 103 is inserted into the tobacco rod 2, so that the tobacco strand 23 in the tobacco rod 2 is expanded toward the outer periphery of the tobacco rod 2 by the electric heater 103. Taking this point into consideration, the preferable range (50 vol% or more and 75 vol% or less) of the volume filling rate of the tobacco strand 23 when the electric heater 103 of the heating device 100 to which the heat-not-burn tobacco 1 is applied is an internal heating heater is determined. It is lower than the preferable range (60 vol% or more and 80 vol% or less) of the volume filling rate of the tobacco strand 23 when the electric heater 103 is an external heating type heater.

When the electric heater 103 of the heating device 100 to which the heating type tobacco 1 is applied is an internal heating type heater, the state where the tobacco rod 2 is attached to the accommodating cavity 107, that is, the internal heating type heater is attached to the tobacco rod 2. The volume filling rate of the tobacco strand 23 in the inserted state is preferably 60 vol% or more and 80 vol% or less. Here, the volume filling rate of the tobacco strand 23 with the tobacco rod 2 mounted in the accommodation cavity 107 is calculated by subtracting the volume occupied by the electric heater 103 from the volume of the tobacco rod 2. It is the ratio of the total volume of the tobacco strand 23 to the volume.

Further, when compared under the condition that the volumes of the tobacco strands 23 contained in the tobacco rod 2 in the present embodiment are the same, the larger the surface area of the tobacco strands 23, the better the aerosol delivery amount. If the width of each tobacco strand 23 is large, the volume filling rate of the tobacco strand 23 tends to be non-uniform in the cross section of the tobacco rod 2 when the internally heated electric heater 103 is inserted into the tobacco rod 2, and the aerosol. There is a risk that the delivery characteristics of cigarettes will vary easily. Therefore, from the viewpoint of increasing the delivery amount of the aerosol and making the delivery characteristics of the aerosol uniform, it is preferable to arrange more tobacco strands 23 having a small cross-sectional area on the tobacco rod 2. However, if the cross-sectional area of the tobacco strand 23 is made excessively small, the tensile strength of the tobacco strand 23 becomes too small, and there is a concern that the manufacturing suitability of the tobacco rod 2 may decrease. Therefore, from the viewpoint of ensuring a good balance between improving the delivery amount of the aerosol, uniform delivery of the aerosol, and improving the manufacturing suitability of the tobacco rod 2, the width dimension of the cross section of the tobacco strand 23 is 0.4 mm or more and 3 mm. It is preferable that the thickness dimension of the cross section of the tobacco strand 23 is 0.02 mm or more and 1.3 mm or less. As an example, the length dimension of the tobacco strand 23 along the long axis direction is 10 mm or more and 50 mm or less. Further, as described above, since the tobacco strand 23 in the present embodiment has a uniform cross-sectional area over the entire length, the amount of aerosol produced in the long axis direction of the tobacco strand 23 when heated by the electric heater 103 is increased. Variation is less likely to occur.

Further, in the present embodiment, each dimension of the tobacco rod 2 is not particularly limited, but the length of the tobacco rod 2 in the major axis direction is 10 mm or more and 50 mm or less, and the diameter of the cross section orthogonal to the major axis direction of the tobacco rod 2. Can be exemplified by setting the ratio to 5.0 or more and 8.0 mm or less. Further, in the heating device 100 to which the heat-not-burn tobacco 1 is applied, an embodiment in which the maximum diameter of the electric heater 103 is 2.5 mm or more and 3.2 mm or less can be exemplified. Then, an embodiment in which the ratio of the maximum diameter of the electric heater 103 to the diameter of the cross section of the tobacco rod 2 is 0.3 or more and 0.6 or less can be exemplified. Further, as an example, the length of the tobacco strand 23 arranged on the tobacco rod 2 in the major axis direction is set to have a dimension substantially equal to the length of the tobacco rod 2 in the major axis direction.

<Tobacco rod manufacturing equipment and manufacturing method>
Next, a manufacturing apparatus and a manufacturing method of the tobacco rod 2 in the heat-not-burn tobacco 1 will be described. FIG. 5 is a diagram showing a manufacturing apparatus (hereinafter, referred to as “rod manufacturing apparatus”) 1000 for the tobacco rod 2 according to the first embodiment. FIG. 6 is a diagram showing a method of manufacturing a tobacco rod 2 in the heat-not-burn tobacco 1.

The rod manufacturing apparatus 1000 includes a first bobbin 1100, a cutting section 1200, a molding section 1300, a cutting section 1400, etc., in which the tobacco raw material sheet 200 is wound into a roll. The tobacco raw material sheet 200 wound around the first bobbin 1100 is a sheet material obtained by molding a tobacco raw material containing an aerosol-forming base material into a sheet shape. Examples of the tobacco raw material include tobacco chopped tobacco, tobacco granules, and reconstituted tobacco material. In the present embodiment, an example in which the reconstituted tobacco is molded into a sheet and used as the tobacco raw material sheet 200 will be described. The tobacco raw material sheet 200 is cut in the cutting section 1200 and cut in the cutting section 1400 to become the tobacco strand 23 of the tobacco rod 2 described above.

In the rod manufacturing apparatus 1000, the first bobbin 1100 is rotatably held by the bobbin holder 1110. The tobacco raw material sheet 200 wound around the first bobbin 1100 is continuously unwound by a delivery roller arranged at an appropriate position, and is fed along a transport path P. As shown in FIG. 5, the cutting section 1200 in the rod manufacturing apparatus 1000 is arranged in the middle of the transport path P. In the present specification, the front is defined as "downstream" and the rear is defined as "upstream" along the flow direction of the transport path P. In the arrangement example shown in FIG. 5, the molding section 1300 is arranged on the downstream side (rear stage) of the cutting section 1200, and the cutting section 1400 is arranged on the further downstream side (rear stage) of the molding section 1300. In the sheet-shaped tobacco raw material sheet 200, the direction along the transport path P is called the "sheet length direction (long direction)", and the direction orthogonal to the transport path P is called the "sheet width direction". Further, in the rod manufacturing apparatus 1000, the direction orthogonal to the transport path P is referred to as the "device width direction". Reference numeral 1500 shown in FIG. 5 is a transport tray extending along the transport path P. The sheet-shaped tobacco raw material sheet 200 is introduced into the cutting section 1200 while traveling on the transport tray 1500 along the transport path P.

The cutting section 1200 is a unit that continuously cuts the tobacco raw material sheet 200 into a plurality of strand-shaped tobacco strand continuums 300 along the transport path. FIG. 7 is a diagram showing a detailed structure of the slitter 1210 in the cutting section 1200, showing a state in which the slitter 1210 is viewed from above. The slitter 1210 has a plurality of circular cutter discs 1220. The centers of the plurality of circular cutter discs 1220 are connected to each other by a rotating shaft member 1230. The rotary shaft member 1230 is rotatably supported on the base of the rod manufacturing apparatus 1000, and each cutter disc 1220 can be integrally rotated around the rotary shaft member 1230. Here, the rotary shaft member 1230 in the slitter 1210 extends in the horizontal direction along the direction orthogonal to the transport path P in the rod manufacturing apparatus 1000, that is, the apparatus width direction. Then, as shown in FIG. 7, each cutter disk 1220 in the slitter 1210 is arranged in a direction orthogonal to the rotation shaft member 1230 and parallel to the transport path P. Further, the cutter disks 1220 in the slitter 1210 are arranged at regular intervals along a direction orthogonal to the transport path P (device width direction).

In the method for producing the tobacco rod 2 in the present embodiment, the tobacco raw material sheet 200 obtained by molding the tobacco raw material containing the aerosol-producing base material into a sheet shape is transported from the first bobbin 1100 along the transport path P. In the cutting step (S101 of FIG. 6), the tobacco raw material sheet 200 is continuously cut into a plurality of strand-shaped tobacco strand continuums 300 along the transport path P. That is, as the tobacco raw material sheet 200 passes through the cutting section 1200 (each cutter disk 1220 arranged in parallel with the transport path P) along the transport path P, the tobacco raw material sheet 200 is continuously formed by each cutter disc 1220. It is cut into a plurality of tobacco strand continuums 300.

In the slitter 1210 of the cutting section 1200, a large number of cutter disks 1220 are arranged at regular intervals along the direction orthogonal to the transport path P. Therefore, in the cutting section 1200, the tobacco raw material sheet 200 is cut into a plurality of tobacco strand continuums 300 having a constant width. The tobacco strand continuum 300 is a long tobacco material that extends along the transport path P. The slitter 1210 only needs to be able to continuously cut the tobacco raw material sheet 200 into a plurality of strand-shaped tobacco strand continuums 300 along the transport path P, and the tobacco raw material sheet is made of a member different from each cutter disk 1220. You may cut 200. For example, the slitter 1210 may have a roll cutter having comb blades arranged at regular intervals along the device width direction.

The plurality of tobacco strand continuums 300 cut from the tobacco raw material sheet 200 in the cutting section 1200 are sent to the subsequent molding section 1300 along the transport path P in a state of being aligned in the width direction of the transport tray 1500.

The molding section 1300 has a second bobbin 1310 in which a long wrapping paper web 400 is wound into a roll. The wrapping paper web 400 is a long web material that serves as a wrapping paper 22 for the tobacco rod 2. The molding section 1300 further includes a converging portion 1320, a packaging mechanism 1330, an adhesive coating device 1340, and the like. The converging portion 1320 is arranged near the entrance in the forming section 1300, and converges a plurality of tobacco strand continuums 300 sent from the upstream side to form a cylindrical shape (that is, a rod shape). The converging portion 1320 may be, for example, a combination form of a tongue member and a horn, a converging funnel form, a transport jet form, or the like.

The packaging mechanism 1330 in the molding section 1300 is provided after the converging portion 1320. The packaging mechanism 1330 has an endless crabcha belt 1350. The crabcha belt 1350 is composed of a woven material, a woven web, or the like, and travels at a constant speed in the direction of the arrow in the drawing by the drive drum 1360. The long wrapping web 400 unwound from the second bobbin 1310 is continuously fed onto the crab belt 1350 in the forming section 1300.

On the other hand, the plurality of tobacco strand continuums 300 shaped like rods at the converging portion 1320 in the forming section 1300 are superposed on the long wrapping paper web 400 on the ganicha belt 1350. The plurality of tobacco strand continuums 300 stacked on the long wrapping paper web 400 on the crabcha belt 1350 in this way are aligned in a rod shape in the process of being transported along the transport path P by the crabcha belt 1350. A wrapping paper web 400 is wrapped around the outer periphery of the tobacco strand continuum 300, and the plurality of tobacco strand continuums 300 are wrapped by the wrapping paper web 400. Then, at the seams formed by the overlapping edges of the wrapping paper web 400, an adhesive (for example, hot melt adhesive, CMC (carboxymethyl cellulose), PVA (polyvinyl alcohol), EVA (ethylene acetic acid) is used in the adhesive coating device 1340. Vinyl copolymer resin) etc.) is applied. As a result, a rod-shaped and long tobacco rod continuum 500 is formed (molding step, S102 in FIG. 6).

In the method for producing the tobacco rod 2 in the present embodiment, at least one of the fragrance and the aerosol-forming base material is added to the plurality of tobacco strand continuums 300 obtained in the cutting step (cutting section 1200). The addition step may be further included. For example, in the addition step, in the process of wrapping a plurality of tobacco strand continuums 300 with a wrapping paper (wrapping paper web 400) in a molding step (molding section 1300), a fragrance and an aerosol are generated for the plurality of tobacco strand continuums 300. At least one of the substrates may be added. The method for adding the perfume or aerosol-forming base material to the plurality of tobacco strand continuums 300 is not particularly limited, but even if the perfume or aerosol-forming base material is discharged from the addition nozzle to the tobacco strand continuum 300. Good. Of course, the addition nozzle for adding the fragrance and the addition nozzle for adding the aerosol-forming base material may be provided separately. Further, as the fragrance, menthol or the like can be exemplified, but other fragrances may be added. When a fragrance or an aerosol-forming base material is added to the tobacco strand continuum 300 in the process of wrapping the plurality of tobacco strand continuums 300 with the wrapping paper (wrapping paper web 400) in the molding step (molding section 1300) as described above, the addition is added. The nozzle may be placed in place in the molding section 1300. Further, the addition nozzle for adding the fragrance or the aerosol-forming base material to the tobacco strand continuum 300 may be provided at any portion between the cutting section 1200 and the molding section 1300 in the transport path P.

The tobacco rod continuum 500 obtained in the molding section 1300 (molding step) is sent to the cutting section 1400 located at the subsequent stage of the molding section 1300. The cutting section 1400 has a cutting means such as a rotary cutter and a knife, and the long tobacco rod continuum 500 is cut to a constant length in the cutting section 1400. That is, in the cutting step (S103 of FIG. 6), the tobacco rod continuum 500 obtained in the molding step (S102 of FIG. 6) is sequentially cut into individual tobacco rods, whereby the tobacco rod of the heat-not-burn tobacco 1 is cut. Is obtained. As is clear from the above description, the plurality of tobacco strand continuums 300 cut from the tobacco raw material sheet 200 in the cutting section 1200 are transported in the transport path P until they are cut in the cutting section 1400 in the axial direction. They are connected along the direction.

As described above, according to the method for producing the tobacco rod 2 and the rod manufacturing apparatus 1000 in the present embodiment, the tobacco rod 2 according to the heat-not-burn tobacco 1 can be suitably produced. In particular, in the method for manufacturing the tobacco rod 2 and the rod manufacturing apparatus 1000 in the present embodiment, the tobacco raw material sheet 200 is continuously cut into a plurality of tobacco strand continuums 300 in the cutting section 1200, and then the tobacco strands are cut in the cutting section 1400. Before cutting the continuum 300 into short pieces, the tobacco strand continuum 300 aligned along the transport path P is wrapped with a wrapping paper (wrapping paper web 400) in the molding section 1300 and molded into a long tobacco rod continuum 500. It is characterized by that. By doing so, the plurality of tobacco strands 23 can be arranged and arranged so that the plurality of tobacco strands 23 extend along the axial direction of the tobacco rod 2. That is, it is possible to easily manufacture a tobacco rod 2 in which a plurality of tobacco strands 23 are arranged in parallel with each other along the long axis direction of the tobacco rod 2.

By adjusting the thickness of the wound tobacco raw material sheet 200 of the first bobbin 1100 in the rod manufacturing apparatus 1000, the tobacco strand 23 having a desired thickness can be obtained. Further, by adjusting the spacing between the cutter discs 1220 in the slitter 1210 arranged in the cutting section 1200, the tobacco strand 23 having a desired width can be obtained. Further, in the present embodiment, in the cutting section 1200 (cutting step), when the tobacco raw material sheet 200 is cut, it is cut into a plurality of tobacco strand continuums 300 having a certain width, so that the tobacco rod 2 is arranged. The cross-sectional area (width dimension) of each tobacco strand 23 to be produced can be made uniform. As a result, when the heat-not-burn tobacco 1 is used, it becomes easy to prevent the occurrence of non-uniform delivery characteristics of the aerosol in the cross section of the tobacco rod 2, and the aerosol can be stably supplied to the user. ..

Further, in the method for manufacturing the tobacco rod 2 in the present embodiment, the tobacco raw material sheet 200 used for manufacturing the tobacco rod 2 is subjected to a calendar process in advance to increase the density of the tobacco raw material sheet 200. It may include a step and a winding step of winding the tobacco raw material sheet 200 after the calendar processing is performed on the first bobbin 1100.

FIG. 8 is a diagram illustrating calendar processing for the tobacco raw material sheet 200. The calendar processing is performed by pressing the tobacco raw material sheet 200 by continuously passing the tobacco raw material sheet 200 between the pair of

press rollers

600, 600 as shown in FIG. 7, for example. By subjecting the tobacco raw material sheet 200 to the calendar processing, the tobacco raw material sheet 200 becomes dense and its density can be increased. As a result, the weight of the tobacco strand 23 is increased while suppressing the volume filling rate of the tobacco strand 23 contained in the manufactured tobacco rod 2 from becoming excessively high and the aeration resistance of the tobacco rod 2 from becoming excessively high. Can be made to. As a result, the amount of aerosol delivered to the tobacco rod 2 can be further increased.

The tobacco raw material sheet 200 after being subjected to the calendar processing as described above is wound on the first bobbin 1100 in the winding process. The tobacco raw material sheet 200 wound around the first bobbin 1100 is continuously drawn out along the transport path P as described with reference to FIGS. 5 and 6, and is used for manufacturing the tobacco rod 2.

As the method for producing the tobacco raw material sheet 200, an appropriate method such as a papermaking method (papermaking method), a casting method (slurry method), a rolling method, or an extrusion method can be adopted as described above.

FIG. 8 is a diagram illustrating a method of manufacturing a tobacco raw material sheet 200 by a papermaking method (papermaking method). As shown in FIG. 8, first, in step S201, a tobacco raw material containing tobacco metatarsal bones, tobacco lamina, tobacco chopped, tobacco fine powder, and the like is extracted with water (extraction step). In the extraction step, for example, 10 times the amount of water is added to the tobacco raw material, and the mixture is heated for a predetermined temperature and time with stirring to obtain a mixture. Then, in step S202, the mixture obtained in the extraction step is squeezed using, for example, a screw press dehydrator or the like, and separated into an aqueous tobacco extract (liquid) and an insoluble tobacco residue (solid) (separation step). Next, in step S203, water and pulp (cellulose fibers) are added to the insoluble tobacco residue obtained in the separation step, and then, for example, the insoluble tobacco residue is beaten with a refiner to adjust the fiber length and fluff the fibers. It becomes fibrous (beating process).

Next, in step S204, the insoluble tobacco residue and pulp fiberized in the beating step are made into a sheet by a paper machine and dried to obtain a base sheet (paper making step). Then, in step S205, a concentrated solution of the aqueous tobacco extract obtained in the above separation step and an additive solution containing an aerosol-forming base material such as glycerin and propylene glycol are added to the base sheet (fragrance step). ). The concentrated solution of the aqueous tobacco extract added to the base sheet in the incense step can be obtained, for example, by concentrating the aqueous tobacco extract with an evaporator. Next, in step S206, the flavored base sheet obtained in the flavoring step is dried (drying step).

With the above manufacturing method, the tobacco raw material sheet 200 can be manufactured by the papermaking method (papermaking method). However, the above manufacturing method is an example, and steps can be added, omitted, or replaced as appropriate. In the tobacco raw material sheet 200 produced by the papermaking method (papermaking method), the content of the aerosol-forming base material is 15.0 wt%, the content of the tobacco raw material is 79.05 wt%, and the pulp content. As an example, there is an example in which the value is 5.95 wt%, but it is needless to say that the ratio is not limited to this. In the tobacco raw material sheet 200 produced by the papermaking method (papermaking method), the content of the aerosol-producing base material is preferably 10 wt% or more and 25 wt% or less.

FIG. 9 is a diagram illustrating a method of manufacturing a tobacco raw material sheet 200 by a casting method (slurry method). As shown in FIG. 9, first, in step S301, a tobacco raw material containing tobacco core bone, tobacco lamina, tobacco chopped, tobacco fine powder, etc. is finely pulverized, and then a small amount of binder (binder) and reinforcing agent (pulp) are used. A slurry (suspension) is obtained by mixing a predetermined amount of an aerosol-forming substrate (glycerin, propylene glycol, etc.) and water, for example, in a stirring tank (slurry acquisition step). Examples of the binder (binder) include guar gum, xanthan gum, CMC (methylol fiber) and the like.

Then, in step S302, the slurry obtained in the slurry acquisition step is cast (stretched) into a sheet on, for example, a steel belt (support) to obtain a slurry web (casting step). Next, in step S303, the sheet-shaped slurry web stretched into a sheet-like shape is dried (drying step). By the above steps, the tobacco raw material sheet 200 is obtained. In the tobacco raw material sheet 200 produced by the casting method (slurry method), the content of the aerosol-forming base material (for example, glycerin) is 15.0 wt%, the content of the tobacco raw material is 76.0 wt%, and pulp. As an example, the content of the binder is 6.0 wt% and the binder content is 3.0 wt%, but the present invention is not limited to this.

Although the embodiment according to the present invention has been described above, the method and apparatus for manufacturing the heat-not-burn tobacco, the heat-not-burn tobacco product, and the tobacco rod in the heat-not-burn tobacco are not limited thereto. For example, in FIGS. 1 and 2 above, an embodiment in which the strand-shaped tobacco strand 23 arranged on the tobacco rod 2 has a linear shape having no bent portion has been described as an example, but the tobacco strand 23 is long. It suffices to have an elongated elongated shape extending in the axial direction, and other shapes may be adopted. FIG. 11 is a diagram showing a tobacco strand 23A according to a modified example. The tobacco strand 23A shown in FIG. 11 has a meandering shape (zigza shape). The tobacco strands 23A extending in a meandering shape in this way are arranged and arranged in the tobacco rod 2 so that their long axis direction (stretching direction) extends along the long axis direction of the tobacco rod 2. The tobacco strand 23A having such a serpentine shape (zigza shape) is a tobacco rod 2 even if the tobacco strand 23A is pushed by the electric heater 103 when the electric heater 103 in the heating device 100 is inserted into the tobacco rod 2. It is possible to prevent the misalignment of the tobacco strand 23A in the major axis direction from occurring. As a result, when the electric heater 103 is inserted into the tobacco rod 2, the tobacco strand 23A can be suitably suppressed from coming out from the tobacco rod 2.

Further, the tobacco strand 23A shown in FIG. 11 is relatively obstructed by the flow path of the aerosol generated by the tobacco rod 2 due to heating by the electric heater 103, as compared with the linear tobacco strand 23 shown in FIGS. 1 and 2. Although it is easy to get rid of, the amount of aerosol delivered is improved compared to the conventional case where the tobacco raw material is randomly oriented, because the aerosol produced by the tobacco rod 2 is relatively less likely to condense and filter. Can be made to.

When the tobacco strand 23A has a meandering shape (zigza shape) as shown in FIG. 11, the width of the tobacco strand 23A is preferably uniform from the front end surface 23a to the rear end surface 23b. That is, as shown in FIG. 11, it is preferable that the width dimension W1 of the portion parallel to the long axis direction of the tobacco strand 23A and the width dimension W2 of the portion extending in the direction orthogonal to the semi-axis direction are equal. By doing so, it is possible to make the cross-sectional area of the tobacco strand 23A uniform over the entire length. As a result, when the tobacco strand 23A is heated by the electric heater 103, the variation in the amount of aerosol produced in the long axis direction of the tobacco strand 23A can be suitably suppressed. Although the tobacco strand 23A shown in FIG. 11 has a meandering shape (zigza shape), it may have a corrugated shape or another shape.

1 ... Heat-not-burn tobacco 2 ... Tobacco rod 3 ... Mouthpiece part 4 ... Support part 5 ... Cooling part 6 ... Filter part 21 ... Tobacco filler 22 ... Rolling paper 23 ... Tobacco strand 25 ... Aerosol flow path 100 ... Heating device 103 ... Electric heater 200 ... Tobacco raw material sheet 300 ... Tobacco strand continuum 500 ... Tobacco rod continuum 1000 ...・・ Rod manufacturing equipment 1100 ・・・ First bobbin 1200 ・・・ Cutting section 1300 ・・・ Molding section 1400 ・・・ Cutting section

Claims

A manufacturing method for manufacturing tobacco rods in heat-not-burn tobacco.
A cutting step of continuously cutting the tobacco raw material sheet into a plurality of strand-shaped tobacco strand continuums along the transport path while transporting the tobacco raw material sheet along the transport path.
A molding step of forming a rod-shaped tobacco rod continuum by wrapping the plurality of tobacco strand continuums obtained in the cutting step with a wrapping paper in a state of being aligned along the transport path.
A cutting step of sequentially cutting the tobacco rod continuum obtained in the molding step into individual tobacco rods,
including,
A method for manufacturing a tobacco rod in heat-not-burn tobacco.
The tobacco raw material sheet is obtained by molding a tobacco raw material containing an aerosol-producing base material into a sheet shape.
The method for producing a tobacco rod in the heat-not-burn tobacco according to claim 1.
The tobacco raw material sheet is wound around a bobbin, and the tobacco raw material sheet continuously unwound from the bobbin is transported along a transport path.
The method for producing a tobacco rod in the heat-not-burn tobacco according to claim 1 or 2.
In the cutting step, the tobacco raw material sheet is cut so that a plurality of tobacco strand continuums having a constant width are obtained.
The method for producing a tobacco rod in heat-not-burn tobacco according to any one of claims 1 to 3.
A calendar processing step of increasing the density of the tobacco raw material sheet by performing calendar processing on the tobacco raw material sheet is further included.
In the cutting step, while transporting the tobacco raw material sheet after the calendar treatment along the transport path, the tobacco raw material sheet is continuously formed into a plurality of strand-shaped tobacco strand continuums along the transport path. Cut,
The method for producing a tobacco rod in heat-not-burn tobacco according to any one of claims 1 to 4.
The addition step of adding at least one of the fragrance and the aerosol-forming base material to the plurality of tobacco strand continuums obtained in the cutting step is further included.
The method for producing a tobacco rod in heat-not-burn tobacco according to any one of claims 1 to 5.
In the addition step, at least one of the perfume and the aerosol-forming base material is added to the plurality of tobacco strand continuums in the process of wrapping the plurality of tobacco strand continuums with the wrapping paper in the molding step.
The method for producing a tobacco rod in the heat-not-burn tobacco according to claim 6.
A manufacturing device that manufactures tobacco rods for heat-not-burn tobacco.
A bobbin with a cigarette raw material sheet wound up and
A cutting section which is arranged in a transport path of the tobacco raw material sheet continuously fed from the bobbin and continuously cuts the tobacco raw material sheet into a plurality of strand-shaped tobacco strand continuums along the transport path.
A molding section arranged downstream of the cutting section in the transport path and wrapping a plurality of tobacco strand continuums in a state of being aligned along the transport path with a wrapping paper to form a rod-shaped tobacco rod continuum. ,
A cutting section located downstream of the molding section in the transport path and sequentially cutting the tobacco rod continuum into individual tobacco rods having a predetermined length.
including,
Tobacco rod manufacturing equipment for heat-not-burn tobacco.
The tobacco raw material sheet is obtained by molding a tobacco raw material containing an aerosol-producing base material into a sheet shape.
The tobacco rod manufacturing apparatus for heat-not-burn tobacco according to claim 8.
The cutting section cuts the tobacco raw material sheet so as to obtain a plurality of tobacco strand continuums each having a constant width.
The tobacco rod manufacturing apparatus for heat-not-burn tobacco according to claim 8 or 9.
The cutting section is arranged parallel to the transport path and has a cutter.
When the tobacco raw material sheet passes through the cutter along the transport path, the tobacco raw material sheet is continuously cut into a plurality of tobacco strand continuums by the cutter.
The device for producing a tobacco rod in heat-not-burn tobacco according to any one of claims 8 to 10.
A heat-not-burn tobacco comprising a tobacco rod having a tobacco filler and a wrapping paper for winding the tobacco filler.
The tobacco filler has a plurality of tobacco strands containing an aerosol-forming substrate and a tobacco raw material and having a strand shape.
The plurality of tobacco strands are arranged so as to extend along the long axis direction of the tobacco rod.
Heat-not-burn tobacco.
Each of the tobacco strands is arranged parallel to each other along the long axis direction of the tobacco rod.
The heat-not-burn tobacco according to claim 12.
The tobacco strand is stretched from the front end to the rear end of the tobacco rod.
The heat-not-burn tobacco according to claim 12 or 13.
The tobacco strand has a strip shape,
The heat-not-burn tobacco according to any one of claims 12 to 14.
The tobacco strand has a rectangular cross section orthogonal to the long axis direction.
The heat-not-burn tobacco according to any one of claims 12 to 15.
In the tobacco strand, the width dimension of the cross section orthogonal to the long axis direction is 0.4 mm or more and 3 mm or less.
The heat-not-burn tobacco according to any one of claims 12 to 16.
In the tobacco strand, the thickness dimension of the cross section orthogonal to the long axis direction is 0.02 mm or more and 1.3 mm or less.
The heat-not-burn tobacco according to any one of claims 12 to 17.
In the tobacco strand, the length dimension along the long axis direction is 10 mm or more and 50 mm or less.
The heat-not-burn tobacco according to any one of claims 12 to 18.
The diameter of the tobacco rod is 5 mm or more and 8 mm or less.
The heat-not-burn tobacco according to any one of claims 12 to 19.
The area of the cross section orthogonal to the long axis direction of the tobacco strand is equal over the entire length.
The heat-not-burn tobacco according to any one of claims 12 to 20.
The content of the aerosol-forming substrate in the tobacco rod is 10 wt% or more and 25 wt% or less.
The heat-not-burn tobacco according to any one of claims 12 to 21.
The heat-not-burn tobacco has a mouthpiece portion coaxially connected to the proximal end side of the tobacco rod.
The mouthpiece portion includes a cooling portion for cooling a volatile substance released from the aerosol-forming substrate.
The heat-not-burn tobacco according to any one of claims 12 to 22.
The mouthpiece portion is arranged at a connecting end connected to the base end side of the tobacco rod, and includes a support portion for suppressing the tobacco strand from being pushed into the region on the mouthpiece portion side.
The heat-not-burn tobacco according to claim 23.
The mouthpiece portion includes a filter portion arranged on the mouthpiece end side of the mouthpiece portion.
The heat-not-burn tobacco according to claim 23 or 24.
The volume filling rate of the tobacco strand occupying the tobacco rod is 50 vol% or more and 80 vol% or less.
The heat-not-burn tobacco according to any one of claims 12 to 25.
In the heat-not-burn tobacco, when the heater of the heating device to which the heat-not-burn tobacco is applied is an external heating heater, the volume filling rate of the tobacco strand occupying the tobacco rod is 60 vol% or more and 80 vol% or less.
The heat-not-burn tobacco according to any one of claims 12 to 26.
In the heat-not-burn tobacco, when the heater of the heating device to which the heat-not-burn tobacco is applied is an internal heating type heater, the volume filling rate of the tobacco strand occupying the tobacco rod is 50 vol% or more and 75 vol% or less.
The heat-not-burn tobacco according to any one of claims 12 to 27.
A heat-not-burn tobacco product comprising the heat-not-burn tobacco according to any one of claims 12 to 25, and a heating device to which the heat-not-burn tobacco is applied.
The heating device has a rod accommodating portion on which the tobacco rod can be mounted in the heated tobacco, and a heater provided in the rod accommodating portion.
When the heater is an internal heating type heater that is inserted from the tip end side of the tobacco rod when the tobacco rod is mounted on the rod accommodating portion.
When the tobacco rod is attached to the rod accommodating portion, the volume filling rate of the tobacco strand occupying the tobacco rod is 60 vol% or more and 80 vol% or less.
The heat-not-burn tobacco product according to claim 29.
The ratio of the maximum diameter of the heater to the diameter of the cross section orthogonal to the long axis direction of the tobacco rod is 0.3 or more and 0.6 or less.
The heat-not-burn tobacco product according to claim 29 or 30.