JP2018015215A - Absorbent article for men - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an absorbent article for men which can properly arrange a salient-shaped urine receiver for men, on a urination area of an absorbent article, and reduce risk of leakage of a body fluid.SOLUTION: The absorbent article comprises: a top sheet; a back sheet; and an absorber. The absorbent article comprises at least a pair of three-dimensional gatherings extending in a longitudinal direction, on both end parts of a width direction, and a surface sheet for covering almost whole surface of the top sheet, and being supported by body contact side surfaces of the pair of three-dimensional gatherings, and both end parts of the absorbent article in the longitudinal direction. On the surface sheet, on a portion where a crotch of a wearer is arranged, an opening is provided.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an absorbent article for men, such as a light incontinence pad for men.

  In general, tape-type disposable diapers, light incontinence pads, urine-absorbing pads, pants-type disposable diapers, etc. are known as absorbent articles. These absorbent articles can be used according to the need for care in the excretion of the wearer. Are appropriately selected and used. These absorbent articles are composed of a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber disposed between the two sheets. By adopting such a configuration, body fluid such as urine passes through the top sheet of the absorbent article and is absorbed by the absorbent body, and does not leak to the outside by the back sheet.

  Of the wearers of absorbent articles, light incontinence pads are often used for those with mild urine leakage. Among these light incontinence pads, the light incontinence pad for men has a structure that covers the crotch part from the front part of the wearer, and has a pressure-sensitive adhesive layer provided on the back sheet. It can be fixed to the inner surface of the underwear with the part covered. Here, when the wearer of the light incontinence pad is a male, since the male urinal has a convex shape, it is necessary to design the shape of the absorbent article according to this shape.

  As an absorbent article for men, for example, in Patent Document 1, a first end region and a second end region that are separated in the vertical direction, both side regions that are separated in the horizontal direction, and a central region that is located between the both side regions. A top sheet covering the central region is disposed at least in the first end region, a pair of barrier cuff sheets are disposed in both side regions, and the barrier cuff sheet includes the first end region and the second end region. It has a free end extending in the vertical direction between the both side fixed part and the both side fixed part fixed to the skin facing surface side of the pad main body in the end region, and the free end has a contraction region and a non-contraction region An absorbent article is disclosed.

JP2015-058327A

  However, in the absorbent article for men including the absorbent article of Patent Document 1, since the top sheet is flat, depending on the movement of the wearer, the male convex-shaped urinal can still be appropriately used. In some cases, the absorbent article cannot be located in the urination area. As described above, when the urinary organ cannot be properly positioned in the urination area of the absorbent article, there has been a risk of fluid leakage. Therefore, the present invention has been made in view of the above problems, and it is possible to properly assign a male convex urinary tract to the urination area of an absorbent article, and to prevent leakage of body fluids. The object is to provide an absorbent article for men with reduced risk.

  The inventors of the present invention have conducted intensive research in view of the above problems. As a result, at least a pair of three-dimensional gathers extending in the longitudinal direction are provided at both ends in the width direction of the absorbent article for men, and supported by the body contact side surfaces of the pair of three-dimensional gathers and both ends in the longitudinal direction of the absorbent article. According to the absorbent article for men on which the predetermined surface sheet covering the substantially entire surface of the top sheet is formed, the present inventors have found that the above problems can be solved, and have completed the present invention. Specifically, the present invention provides the following.

  (1) A first aspect of the present invention is an absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet. The absorbent article has at least one pair of three-dimensional gathers extending in the longitudinal direction at both ends in the width direction, and is supported by the body contact side surfaces of the pair of three-dimensional gathers and both ends in the longitudinal direction of the absorbent article. An absorption for men, comprising a topsheet covering substantially the entire surface of the topsheet, wherein a portion of the topsheet to which the wearer's crotch is addressed is provided with an opening. It is a sex product.

  (2) A second aspect of the present invention is the absorbent article for men according to (1), wherein the top sheet is fixed to at least the top sheet at both longitudinal ends of the absorbent article. It is characterized by being.

  (3) A third aspect of the present invention is the absorbent article for men according to (1) or (2), wherein the topsheet is heat embossed on the body contact side surface of the three-dimensional gather. It is fixed by ultrasonic processing or hot melt adhesive.

  (4) A fourth aspect of the present invention is the absorbent article for men according to any one of (1) to (3), wherein a channel emboss reaching the absorber is formed on the top sheet. It is characterized by being.

  (5) A fifth aspect of the present invention is the absorbent article for men according to any one of (1) to (4), and is visible from an opening of the top sheet of the top sheet. The site is provided with a mark for applying the urinary organ.

  Since the absorbent article of the present invention has at least a pair of three-dimensional gathers extending in the longitudinal direction at both ends in the width direction, the top sheet is deformed into a concave shape, and between the top sheet and the wearer, A space for accommodating the convex urinary organ is formed. In addition, since the surface sheet covering the body contact side surface of the pair of three-dimensional gathers and the longitudinal direction both ends of the absorbent article and covering the substantially entire surface of the top sheet is formed, the convex-shaped urinal is It is held in the space formed by the sheet, the top sheet, and the three-dimensional gather, the urinary organ is appropriately positioned in the urination area, and body fluid leakage can be effectively prevented.

It is drawing which shows the top perspective view of the absorbent article for men of this invention.

  Hereinafter, with reference to drawings, absorptive article 1 for men concerning an embodiment of the present invention is explained in detail. In the description of the present embodiment, the same reference numerals are given to the same elements throughout. In the following description of the present specification, the body fluid refers to a liquid discharged from the body such as urine, blood, and water in soft stool. Furthermore, the time when the absorbent article 1 is worn means at least one of the time when the absorbent article 1 is attached and after the attachment. In addition, in description of this specification, the longitudinal direction of the absorbent article 1 is a direction over front and back of the wearer when the absorbent article 1 is worn, and is a direction indicated by a symbol Y in the figure. Moreover, the width direction of the absorbent article 1 is a direction that is transverse or orthogonal to the longitudinal direction, and is a direction indicated by a symbol X in the drawing. Furthermore, in this specification, the body contact side surface of the absorbent article 1 refers to the surface that comes into contact with the wearer's skin when the absorbent article 1 is worn, and the clothing contact side surface is the wear of the absorbent article 1. Sometimes refers to the surface that abuts the wearer's clothing. In this specification, the body contact side surface side of the absorbent article 1 may be referred to as the upper side, and the clothing contact side surface side may be referred to as the lower side.

<Absorptive articles for men>
FIG. 1 is a plan view perspective view of a male absorbent article 1 of the present invention. The absorbent article 1 for men of the present invention includes a liquid-permeable top sheet 10, a liquid-impermeable back sheet 30, and an absorbent body 20 disposed between the top sheet 10 and the back sheet 30. The absorbent article 1 has at least a pair of three-dimensional gathers 40 extending in the longitudinal direction at both ends in the width direction, and the body contact side surface of the pair of three-dimensional gathers 40 and the longitudinal direction of the absorbent article 1. A top sheet 50 that covers the substantially entire surface of the top sheet 10 supported by both ends is provided.

[Top sheet]
The top sheet 10 allows body fluid to pass quickly toward the absorbent body 20, and is disposed to face the back sheet 30 with the absorbent body 20 interposed therebetween. Since the top sheet 10 is a sheet that comes into contact with at least the urinary organ, a soft touch and a substrate that does not irritate the skin, for example, a nonwoven fabric such as a thermal bond nonwoven fabric typified by an air-through nonwoven fabric, a thermal bond / A composite nonwoven fabric in which spunbond is laminated, an open film such as an open polyethylene film, a foam film such as polyethylene foam and urethane foam, or a composite sheet in which these are laminated. The top sheet 10 may be a single layer or may be laminated with a plurality of layers, and a large number of through holes may be formed to impart dry touch properties.

The nonwoven fabric was obtained by a known processing method such as a spunlace method or a spunbond method in addition to a thermal bond method using synthetic fibers such as polyethylene or polypropylene, recycled fibers such as rayon, and natural fibers such as cotton. Things can also be used. From the viewpoint of workability and strength, the basis weight of the top sheet 10 is preferably 18 g / m ² or more and 60 g / m ² or less. In order to reduce irritation to the skin, a lotion, an antioxidant, an anti-inflammatory component, a pH adjuster, an antibacterial agent, a moisturizer, and the like may be applied to the top sheet 10. The top sheet 10 preferably has a substantially inverted isosceles triangular shape with one end in the longitudinal direction where the wearer's crotch is positioned narrowed, but is not limited to such a shape. For example, a substantially rectangular shape or a substantially hourglass shape may be used. The top sheet 10 may be provided so as to extend slightly outward from the side edge of the absorbent body 20.

  In the present invention, a mark 11 for assigning a urinary organ may be provided in a portion of the top sheet 10 that can be viewed from an opening 51 of the top sheet 50 described later. By providing such a mark 11 on the top sheet, even the elderly can easily wear the absorbent article 1 of the present invention.

[Back sheet]
The back sheet 30 is made of a sheet material having liquid impermeability and water blocking properties so that body fluid does not leak outside the absorbent article 1, but even if it has moisture permeability to prevent stuffiness. Good. Examples of the material of the back sheet 30 having such characteristics include a thin plastic sheet such as a polyethylene sheet and a polyethylene laminated nonwoven fabric. The backsheet 30 preferably has a substantially inverted isosceles triangular shape with one end in the longitudinal direction where the wearer's crotch is positioned narrowed, but is not limited to such a shape. For example, a substantially rectangular shape or a substantially hourglass shape may be used. The backsheet 30 may be provided so as to extend slightly outward from the side edge of the absorbent body 20. An adhesive layer for fixing the absorbent article 1 to an underwear or the like may be provided on the clothing contact side surface of the back sheet 30. When the absorbent article 1 has an adhesive layer, the absorbent article 1 may have a release sheet for protecting the adhesive layer, and the release sheet may be integrated with the packaging sheet of the absorbent article 1. . The top sheet 10 and the back sheet 30 may form a flap that is fixed by a hot melt adhesive or heat seal without sandwiching the absorbent body 20 at least at a part of the end, such as an end in the longitudinal direction. Good.

[Absorber]
The absorbent body 20 contains an absorbent fiber as a base material and a superabsorbent polymer (hereinafter also referred to as SAP). The absorbent fiber is not particularly limited as long as it is generally used for absorbent articles such as sanitary napkins, diapers, and urine absorbing pads. For example, fluff pulp, cotton, rayon, acetate, tissue, absorbent paper, hydrophilic paper Can be mentioned. Among these, it is preferable to use fluff pulp from the viewpoint of absorbability. Examples of such fluff pulp include those obtained by defibrating wood pulp, non-wood pulp and the like into cotton.

  The superabsorbent polymer of the absorbent body 20 is not particularly limited as long as it absorbs body fluids and can prevent backflow. Sodium polyacrylate, polyaspartate, (starch-acrylic acid) graft Those formed from materials such as a copolymer, (acrylic acid-vinyl alcohol) copolymer, (isobutylene-maleic anhydride) copolymer and saponified product thereof can be used. Among these, sodium polyacrylate is preferable from the viewpoint of the amount of absorption per weight.

  In the absorbent body 20, the absorbent fibers and SAP are preferably in the form of a laminated mat formed by mixing SAP particles in the absorbent fibers. Moreover, it is preferable to wrap the absorber 20 in a carrier sheet for the purpose of preventing leakage of SAP particles and stabilizing the shape of the absorber 20. The base material of the carrier sheet is not particularly limited as long as it has hydrophilicity, and examples thereof include hydrophilic nonwoven fabrics such as tissue, absorbent paper, and airlaid nonwoven fabric. In the case where a plurality of carrier sheets are provided, the base material of the carrier sheet may be the same or different.

  The absorber 20 used in the present invention may be formed by laminating an upper layer absorber 21 and a lower layer absorber 22. Here, the dimension of the upper layer absorber 21 and the lower layer absorber 22 in the longitudinal direction and the width direction may be such that the size of the upper layer absorber 21 is larger than that of the lower layer absorber 22, and the dimension of the upper layer absorber 21 is lower layer absorption. The size of the body 22 may be the same, and the size of the upper layer absorber 21 may be smaller than the size of the lower layer absorber 22.

[Channel embossing]
In the absorbent article 1 of the present invention, at least a pair of channel embosses extending in the longitudinal direction of the absorbent article 1 may be formed from the top sheet 10 to the upper layer absorbent body 21. The depth of the channel embossing is preferably 1 mm or more and 5 mm or less. Each of the pair of channel embosses may be formed as a convex curve toward the center line in the width direction, or may be formed as a convex curve toward the outer side in the width direction. It may be a shape. In addition, the channel embossing may be connected to each other at at least one end in the longitudinal direction, and may have a substantially round shape as a whole, and the two channel embossings may be completely connected without being connected to each other. It may be separated.

  By forming the channel embossing along the longitudinal direction with respect to the absorbent article 1, the body fluid excreted on the top sheet 10 diffuses along the channel embossing in the longitudinal direction. The absorption area of the body fluid can be increased and the absorption performance of the absorbent article 1 can be improved.

[Second seat]
In the absorbent article 1, the second sheet may be disposed between the top sheet 10 and the absorbent body 20, but the second sheet may not be disposed. As will be described later, the absorbent article 1 of the present invention has a top sheet 50 that is supported by both longitudinal ends of the absorbent article 1 and the body contact side surfaces of the pair of three-dimensional gathers 40. For this reason, only a part of the urinal is in contact with the top sheet 10 of the absorbent article 1, and the skin of the wearer's crotch portion does not tend to contact the top sheet 10. Therefore, since the wearing feeling of the absorbent article 1 is not impaired even if the problem of reversal of body fluid in the absorbent article 1 is not taken into consideration, a second sheet is intentionally placed between the top sheet 10 and the absorbent body 20. There is no need to provide it. Therefore, since the absorbent article 1 of the present invention has a layer configuration equivalent to that of a normal absorbent article having a second sheet while providing the surface sheet 50 described later, the manufacturing cost of the absorbent article 1 can be suppressed. it can.

[Three-dimensional gather]
In the present invention, at least a pair of three-dimensional gathers 40 are provided at both ends in the width direction of the body contact side surface of the absorbent article 1. The three-dimensional gather 40 forms a body fluid confinement space together with the top sheet 10 and the top sheet 50, and can prevent side leakage of body fluid. Moreover, since the shape of the absorbent article 1 is maintained in a concave shape toward the body contact side surface by the elastic member of the three-dimensional gather 40, a region surrounded by the three-dimensional gather 40, the top sheet 10, and a surface sheet 50 described later. In addition, the urinary can be appropriately accommodated. The three-dimensional gather 40 preferably includes a three-dimensional gather sheet and a stretchable elastic member disposed along the free end of the three-dimensional gather sheet. As the elastic elastic member, a thread-like, string-like, or flat-shaped member made of natural rubber, synthetic rubber, polyurethane, or the like can be appropriately used.

[Surface sheet]
The absorbent article 1 of the present invention has a topsheet 50 that covers the substantially entire surface of the topsheet 10 supported by the body-contacting surface of the three-dimensional gather 40 and both longitudinal ends of the absorbent article 1. When the absorbent article 1 has the top sheet 50, a closed space surrounded by the three-dimensional gather 40, the top sheet 10, and the top sheet 50 is formed, and the urinary organ can be appropriately accommodated in this space.

  As the surface sheet 50, a hydrophilic nonwoven fabric or a hydrophobic nonwoven fabric may be used, and an embossed pattern may be formed on the surface, or an embossed pattern may be formed. It does not have to be. The topsheet is preferably formed of a nonwoven fabric equivalent to the topsheet 10, and is a soft touch and does not irritate the skin, for example, a nonwoven fabric such as a thermal bond nonwoven fabric typified by an air-through nonwoven fabric, It may be formed of a material such as a composite nonwoven fabric in which thermal bonds / spun bonds are laminated, an opening film such as an opening polyethylene film, a foam film such as polyethylene foam or urethane foam, or a composite sheet in which these are laminated.

As the nonwoven fabric that can be used for the topsheet 50, a synthetic fiber such as polyethylene or polypropylene, a regenerated fiber such as rayon, or a natural fiber such as cotton, in addition to a thermal bond method, a known method such as a spunlace method or a spunbond method is used. Those obtained by this processing method can also be used. From the viewpoint of workability and strength, the basis weight of the topsheet 50 is preferably 18 g / m ² or more and 60 g / m ² or less.

  In the present invention, the top sheet 50 is preferably fixed to the top sheet 10 at least at both ends in the longitudinal direction. On the other hand, by fixing the top sheet 50 to the body contact side surface of the three-dimensional gather 40, the urinary organ can be appropriately positioned in the urination area of the absorbent article 1, but the body contact side surface of the top sheet 50 and the three-dimensional gather 40 Since the urinary organs can be secured to some extent by not fixing, the topsheet 50 may be fixed to the body contact side surface of the three-dimensional gather 40, or the body contact side surface of the three-dimensional gather 40 It does not have to be fixed. When the top sheet 50 is fixed to the top sheet 10 or the three-dimensional gather 40, it may be fixed by a round seal by hot embossing or ultrasonic processing, or may be fixed by a hot melt adhesive.

(Aperture)
In the surface sheet 50, an opening 51 is formed at a part to which the wearer's urinary organ is addressed. When the absorbent article 1 for men is worn, the area surrounded by the topsheet 50, the three-dimensional gather 40, and the topsheet 10 by putting the absorbent article 1 while putting the urinal into the opening 51. In addition, the urinary organ is accommodated. The dimension of the opening 51 is preferably 2 cm or more and 15 cm or less in the longitudinal direction, and preferably 1 cm or more and 8 cm or less in the width direction. The shape of the opening 51 may be a round shape, a triangular shape, an inverted triangular shape, a rectangular shape, or the like.

<Method for producing absorbent article>
There is no restriction | limiting in particular as a manufacturing method of the absorbent article 1, A conventionally well-known method is employable. For example, the three-dimensional gather 40 is arranged on the top sheet 10 in advance, and the absorbent body 20 is sandwiched between the top sheet 10 and the back sheet 30. At this time, the absorber 20 may be composed of an upper layer absorber 21 and a lower layer absorber 22. Then, the top sheet 10 and the back sheet 30 are fixed partially or entirely using hot melt adhesive, heat embossing, ultrasonic embossing, high frequency embossing, etc. Channel embossing may be formed over the absorber 21. Moreover, even if the formation of the support structure by the three-dimensional gather 40 of the surface sheet 50 and the longitudinal direction both ends of the absorbent article 1 is just after arrangement | positioning on the top sheet 10 of the three-dimensional gather 40, the top sheet 10 and an absorber. It may be after the combination of 20 and the backsheet 30. What is necessary is just to fold to a longitudinal direction as needed, after individually wrapping this in a packaging sheet.

  As mentioned above, although this invention was demonstrated using embodiment, it cannot be overemphasized that the technical scope of this invention is not limited to the range of the invention as described in said embodiment, A various change or It will be apparent to those skilled in the art that improvements can be made. Further, it is apparent from the scope of the claims that embodiments with such changes or improvements can also be included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Absorbent article 10 Top sheet 11 Mark 20 Absorber 21 Upper layer absorber 22 Lower layer absorber 30 Back sheet 40 Three-dimensional gather 50 Top sheet 51 Opening

Claims (5)

In an absorbent article having a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the top sheet and the back sheet,
The absorbent article has at least a pair of three-dimensional gathers extending in the longitudinal direction at both ends in the width direction,
A surface sheet that covers the substantially entire surface of the top sheet, supported by the body contact side surfaces of the pair of three-dimensional gathers and both longitudinal ends of the absorbent article,
An absorbent article for men, wherein an opening is provided in a portion of the top sheet to which the crotch of the wearer is addressed.   The absorbent article for men according to claim 1, wherein the top sheet is fixed to at least the top sheet at both ends in the longitudinal direction of the absorbent article.   The absorptive article for men according to claim 1 or 2 with which said surface sheet is being fixed to a body contact side surface of said solid gathers by heat embossing, ultrasonic processing, or a hot melt adhesive.   The absorbent article for men according to any one of claims 1 to 3, wherein a channel emboss reaching the absorber is formed on the top sheet. The absorptive article for men according to any one of claims 1 to 4 which provided the mark which addresses a urinal in the part which can be visually recognized from the opening of said surface sheet among said top sheets.

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