CN1172779C

CN1172779C - Applying fluid preparations to the skin, E.G. in connection with shaving

Info

Publication number: CN1172779C
Application number: CNB998098418A
Authority: CN
Inventors: �и��M��; 克里斯托弗·M·霍斯; P; 斯蒂芬·P·黑兹尔
Original assignee: Gillette Co LLC
Current assignee: Gillette Co LLC
Priority date: 1998-08-19
Filing date: 1999-08-13
Publication date: 2004-10-27
Anticipated expiration: 2019-08-13
Also published as: DE69917462D1; BR9913045A; WO2000010780A1; EP1105260A1; CA2339022A1; CN1313804A; GB9818115D0; AU5563199A; ATE267072T1; CA2339022C; EP1105260B1; ES2221425T3; DE69917462T2

Abstract

A safety razor has a handle formed by a refillable container (8). After filling with water a tablet (20) containing a carbon dioxide gas generating substance is added to the water and the gas pressure is used to deliver liquid from the container to the underside of the razor blade unit (1). The tablet also includes a substance which upon being mixed with water produces a fluid which may have desirable properties for application to the skin during shaving, such as lubrication, moisturising, applying a fragrance, chemical treatment of hairs, bacterial or medicinal treatment of the skin and/or blood coagulation. The container (8) can be equipped with a dispenser (30) operable to deliver tablets into the water filled container.

Description

Razor

Technical field

The present invention relates to prepare the field of the fluid of on skin, using, for example when connection with shaving, particularly when so-called " wet shaving ", a razor with one or more sharp cutting edges on skin, move with cut off from the process of the outstanding hair of skin, the field of fluid that preparation is used at skin.

Background technology

It is useful applying preparation to skin, described formulation example such as shaving soap.The latter can be by a brush, scrape Hu Pao or scrape recklessly agent and improve actual connection with shaving condition.As the part of whole connection with shaving process, the needs of preparing skin like this are very inconvenient, and increased widely and finish the needed time of satisfied connection with shaving.

Some of the recommendations have been arranged, comprised in a razor handle structure that wherein a band pressure reservoir is used for branch facing-up Hu Pao, this example of structure is US 5337478 for example, and WO-A-97/18065 and EP-A-0505630 are described.The container that uses in these razors belongs to this type, and is pressurized when it is made in factory.Also propose a kind of razor, wherein fluid gravitate when connection with shaving is discharged from a reservoir, and the example of this razor is at US-A-4238882, and US-A-4074429 and GB-A-2266854 have description.Disclose a kind of razor in GB-A-690828, this razor has a reservoir that can recharge, and described reservoir is pressurizeed by a piston, and this piston is driven by a spring or a manually operated air pump drives; GB-A-2075406 has described a kind of razor, and wherein fluid is discharged from a container that can recharge by a fluid pump operation.

Summary of the invention

Because above-mentioned defective, according to an aspect of the present invention, provide a kind of method of the fluid of for example on skin, using in the connection with shaving process of preparing.Described method comprises that water is filled the reservoir that can recharge, and adds a kind of material in described water, and described material can produce gas and can produce described fluid when mixing with described water; The described reservoir of sealing after adding described material, thus the gas that is produced to described reservoir internal pressurization so that discharge fluid and be applied to skin from described reservoir.

A kind of system of the fluid of for example using on skin in the connection with shaving process of preparing is provided according to another aspect of the present invention.Described system comprises, the reservoir that can recharge, described reservoir has at least one inlet and an outlet is used for filling water to described reservoir, and in described reservoir, carry the material of doses, and discharge fluid inclusion under the effect of the gaseous tension in reservoir so that mixes with water in the reservoir; And the material that is used for adding to water of doses, described material produces gas and produces a kind of fluid that is applied to skin for preparing when mixing with described water, the material that described reservoir is used for holding described dosage mixes the gas that is produced with described water and increases the pressure of described reservoir, the described fluid for preparing is discharged by outlet be applied to skin.

Can only provide above-mentioned three kinds of functions, promptly fill described reservoir, introduce the material of described dosage and discharge the described fluid for preparing with described water with an aperture; Perhaps can provide one can finish the wherein aperture of two functions, and one second aperture is used to finish described the third function.Perhaps, provide independent aperture to fill water respectively, add described material and discharge the fluid inclusion.

Can in a fluid drainage channel, provide a valve gear to control and carry the fluid for preparing from described reservoir.Easily, the fluid for preparing is discharged by dip pipe, no matter described dip pipe extends in the described reservoir and can equip a valve gear, can both discharge the fluid for preparing with the orientation that allows reservoir to be in uprightly or to be in reversing.

According to the present invention, the method and system that is used for preparing fluid can advantageously be applied to the connection with shaving process, before actual connection with shaving, in the connection with shaving process or prepare fluid and carry described fluid to skin after the connection with shaving.The present invention makes things convenient for conveyance fluid especially, and described fluid puts on the skin by razor itself.

And according to a further aspect of the present invention, a kind of razor is provided, described razor comprises a razor head and a reservoir, described razor head comprises at least one blade, described reservoir is used for supplying the fluid that applies to skin in the process of connection with shaving, described fluid under pressure at the razor head place or its contiguous place discharge, described reservoir is connected with described razor head, and comprise a chamber, it is characterized in that, described chamber is suitable for holding water and certain material prepares described fluid, described reservoir comprises that at least one is used for the entrance and exit that water is filled described chamber, and be provided with a distribution device, described distribution device can operate material from predetermined close to described reservoir that carry, and described distribution device is used for keeping the material of many dosage and is used for carrying to described reservoir in order this material of predetermined close.

In a razor according to the present invention, when razor in the connection with shaving process on skin when mobile, fluid preferably is discharged from the position that razor blade is located previously, described position is the position of razor head guard strip for example, this guard strip is arranged on the front of described blade.

Best described material is introduced into described reservoir with predetermined dosage, and according to another aspect of the present invention, provides a kind of container to prepare the fluid that is applied to skin in the connection with shaving process; Described reservoir comprises a kind of reservoir that recharges, the latter has one and is used for the inlet that water is filled described reservoir, with a distribution device that is used for the mass transport of doses is gone into to be equipped with the reservoir of water, described distribution device is used for keeping the material of many dosage and can be operated to described dosage mass transport is gone in the reservoir.

This reservoir provides a kind of mode very easily to come the fluid that uses in the process of preparing of connection with shaving, when each connection with shaving begins, described reservoir just is recharged water simply, and distribution device is driven described dispensed materials with suitable dose in described water.

More convenient and preferably, described material be a kind of solid and with the form of tablet or capsule with predetermined dosage supply.In this case, the distribution device of described container can comprise a feed bin, the latter be used for keeping several tablets and tablet of primary distribution in described reservoir in case with wherein liquid mixing.

Can select described material like this, produce a kind of fluid when it mixes with water, described fluid brings about the desired effect in the time of can putting on skin in the process of connection with shaving or in the associated process.Therefore, the fluid of preparation can for example have one or more following effect:

(i) lubricating effect moves on described skin to help described razor;

(ii) moistening and/or regulate skin;

(iii) tart up;

(iv) handle hair with convenient cutting with chemical method;

(v) skin is carried out bacterium or drug treating;

(vi) cleaning skin; And

(vii) blood clotting and/or other favourable processing are carried out in the miniature incision and the scratch that may run in the connection with shaving process.

Can comprise a kind of material that can produce gas, make the bubbling when mixing of described material with water.The gas that is produced is inertia preferably, and carbon dioxide preferably, because the latter is harmless and is easy to generate.The generation of gas thing for example is a sodium bicarbonate, produces carbon dioxide when it is dissolved in the water.Certainly the generation of carbon dioxide can be accelerated by a kind of chemical reaction.This chemical reaction comprises by the neutralization reaction of a kind of weak acid to carbonate.And preferred gas generant matter is a kind of compound of dried solid, and described dried solid comprises citric acid and/or the tartaric acid that has a kind of carbonate.This carbonate comprises the salt that one or more are selected from natrium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate and saleratus.Those skilled in the art also can expect other generation of gas material.

The material that mixes with water in reservoir can be a kind of solid matter, and wherein said material can adopt tablet form or easily as being contained in powder in a kind of solubilized capsule.Perhaps, can use other material that is not powder, for example, in a kind of solubilized capsule or in a leak free sachet, described material is discharged in the described reservoir thus.

Description of drawings

Other different aspect that the present invention may be better understood from more detailed description subsequently, wherein with reference to appended accompanying drawing, wherein:

Fig. 1 is the front elevation according to a kind of razor of the present invention;

Fig. 2 is a lateral plan of razor among Fig. 1;

Fig. 3 is the view that razor shown in Figure 1 is looked from behind;

Fig. 4 represents the underside view that the razor head of razor shown in Figure 1 is amplified;

Fig. 5 is a lateral plan of razor shown in Figure 1, and wherein said reservoir container has been moved;

Fig. 6 is the enlarged perspective on a top of expression razor shown in Figure 1;

Fig. 7 represents the cutaway view by the top of razor shown in Figure 1;

Fig. 7 A is the transparent view of a kind of improved partly cut-away of expression razor neck embodiment illustrated in fig. 7 and chuck;

Fig. 8 and Fig. 9 represent that respectively the dip pipe valve system is in cutaway view upright and the reversing orientation;

Figure 10 is the front elevation that expression comprises the improved razor of a tablet dispenser;

Figure 11 is a lateral plan of razor shown in Figure 10;

Figure 12 represents the transparent view of razor shown in Figure 10, and its middle and upper part part is removed with water and filled described reservoir container.

The specific embodiment

At first, wherein represented a razor referring to figs. 1 through 7.Described razor has a razor head or blade unit 1, and the latter comprises three blades 2.Described blade has the parallel cutting edge that is bearing in the framework 3.Described framework also supports guard strip and

lid structure

4,5, and the latter is formed by elastic strip.Described elastic strip respectively has one group of intensive cylinder shape groove 6, although as is known in the art, also can provide the groove and/or the projection of other structure.Further details can be with reference to WO96/02369, WO97/17174 about

elastic strip

4,5 and groove 6, and the content of these files is hereby incorporated by.Lid structure 5 comprises a known lubricious strip 12, and it can be as described in the US patent No.5113585, and its content is hereby incorporated by.In the connection with shaving process, blade 2 can overcome returning spring effect, its move independently of one another under the stressed effect, as known as such.The details of spring-loaded blade can find in US patent No.4492025, and the content of described patent is hereby incorporated by.Perhaps, described blade 2 can be installed in the described framework regularly.Razor head 1 can be fixedly connected on other parts of razor, its objective is that the top of described at least razor is abandoned fully when described blade 2 rusts; Perhaps described razor head 1 can be interchangeable chuck formula, when described blade 2 rusts, only replaces described razor head like this.

Described razor comprises a reservoir that can recharge, and its form is a container 8, and its double as is a razor handle.This container has the flattened rectangular of being generally shape, and seals an internal chamber that has an inlet/outlet 7; Described inlet/outlet 7 is limited by a neck 9 (as Fig. 7).Described neck 9 is positioned at the upper end of described reservoir container, and can connect by means of the described container of this neck with dismantling, for example by be threaded or bayonet joint in described razor neck 10.The bottom of described razor neck 10 has formed one and has been used for the cap that cooperates with described container neck 9, and razor head 1 is being carried on the top of described razor neck.Razor neck 10 is equipped with an elongated dip pipe 11 (Fig. 5 and 7), and the latter extends and arrive basically the bottom of container 8 downwards when reservoir neck 9 is connected on the razor neck 10 by described reservoir neck 9.About the further details of dip pipe will be described with reference to accompanying drawing 8 and 9 below.The upper end of described dip pipe 11 is communicated with a fluid supplying passage 13, the latter is formed by a pipe 14 in the embodiment shown in fig. 7, but in the improvement embodiment shown in Fig. 7 A, by a part that has formed described fluid supplying passage by the boring 17 of razor neck 10.The downstream end of transfer passage 13 is connected with a inlet duct 15 in the razor head.Described inlet duct 15 is formed in the manifold element 16, and the latter is connected with the downside of the framework 3 of described razor head 1; And described inlet duct 15 comprises a pod 15a, and the end of pipe 14 is assemblied on the described pod and with pipeline 15 and is communicated with.Manifold element 16 is extended along the downside of described guard strip 4, and is parallel with described blade and adjacent with the trailing edge on guard strip surface, as shown in Figure 4.Transfer manifold 16 defines an inner passage 16a and defines the hole at a series of intervals along its length, aligns with opening 18 in the guard strip surface in these holes.Like this, be appreciated that, fluid in described container 1 can be transported to the guard strip surface by means of described dip pipe 11, transfer passage 13, transfer manifold 16 and opening 18, its objective is that this conveying should utilize razor to carry out taking place in the process of connection with shaving.In the improvement structure shown in Fig. 7 A, described delivery pipe is to one of the groove 6 of described guard strip 5 opening, and do not have manifold element in this case, and described pipe 14 is connected with a opening in the guard strip structure.

In the beginning of connection with shaving program, container 8 is thrown off with described razor neck 10, and fills water to certain degree of depth, and this degree of depth can be represented by a suitable mark on described container.The tablet 20 (Fig. 5) of a solid matter can be when contacting with water bubbling and produce gas, carbon dioxide preferably, and formed a kind of fluid with water, described fluid has this specific character, makes it be fit to be applied to skin when connection with shaving.Described tablet 20 is placed in the container 8 by neck 9.Described then container is reconnected immediately in described razor neck 10.Preferred generation of gas material comprises the compound of carbonate, hydrocarbonate or the bicarbonate of a kind of tartaric acid and/or citric acid and sodium or potassium.The gas that tablet and water reaction produce makes that the pressure in the inter-air space on the water raises in container, and this pressure forces by solid matter and the prepared fluid of water mixing and flows through dip pipe 11 and follow aforementioned flow path arrival razor head.The gas flow of described generation and the fluid of preparation are enough to carry continuously utilizing razor to finish in the process of connection with shaving, although be appreciated that the amount of substance that produces carbon dioxide will depend on the volume of described container 8 and the amount of the water that will adorn.In a test, the container of a 40ml has been filled the water of 30ml.The tablet of two each heavy 0.3g is added in the water, and the composition of each tablet is respectively:

Sodium bicarbonate 44wt%

Citric acid 36wt%

Xanthan gum (Xanthum Gum) 15wt%

Polyox (lubricant) 5wt%

The maximum pressure that is produced in described container is 0.6psi (4.1kPa), and described container is equipped with a ball valve with 5mm boring in described dip pipe.The mean highest discharge that above-mentioned pressure produces is 4.5ml/min, liquid from the averaging time that described container continuous flow is continued be about 7 minutes.

Should be appreciated that the program that when connection with shaving each time, all will carry out filling containers 8 and add tablet 20.If can being equipped with a valve, transfer passage allow the user to control the time of delivery and/or the transfer rate of the fluid arrival razor head 1 of preparation.

Because razor is sometimes held in the connection with shaving process rather than be upright, described dip pipe 11 preferably includes a valve gear and guarantees that prepared fluid always discharged by gaseous tension.Shown in Fig. 8 and 9, described dip pipe 11 have near the place of its opposite end opening 23,23 ', be used for the inboard of described pipe and the internal connection of described container, these openings are controlled by ball valve 24,25 separately.Each valve utilizes gravity operated, and wherein when described container rotates between stand up position and inverted position, ball 24,25 opens and closes between the position at one under the effect of himself gravity and moves.When described container is upright (Fig. 8), following valve 24 is because its ball leaves and opens from valve seat 24a, and last valve 25 engages with valve seat 25a because of its ball and remained in the described valve seat by the pressure in the described container and cuts out.When described container upside down (Fig. 9), described valve 25 is opened and valve 24 cuts out.Like this, in two kinds of orientations, be used for opening the dip pipe opening 23 or 23 that makes fluid flow into described dip pipe 11 ' always be immersed in the fluid in the described container 8.

In Figure 10-12, illustrate an improved razor, described razor is similar to above-mentioned razor generally, and its difference is that described razor neck 10 has a tablet storehouse and distributing box 30.The shape of described container 8 is suitable for limiting one towards preceding neck opening or outlet, the bottom of described razor neck 10 removably is connected in this opening by any proper device, and described device can be set up a kind of being tightly connected between razor neck 10 and container 8.The bottom of razor neck 10 has tablet storehouse and distributing box 30, and the latter comprises a cylindrical chamber 31.Receive a rotating element 32 in described chamber 31, described rotating element defines a series of recesses 34, is illustrated as 5.These recesses distribute in the mode of circular arrangement, and are used for receiving the solid matter tablet that will mix with the water of container 8 accordingly.An indenture system preferably is set comes the rotation of described element 32 is controlled, described thus recess 34 be provided with in order easily in case tablet distribution that will be wherein in the inside of described container.Can feed in described tablet storehouse, to allow being recharged tablet after described recess is emptied again; Perhaps described rotating element can be replaced, thus the element 32 that allows a turned letter by one similarly but the rotating element of full charge replace.Perhaps, described tablet storehouse can be suitable for being kept for the tablet of the sufficient amount of connection with shaving several times, the connection with shaving number of times of described razor is the number of times that the expectation before of its blade rust continues, and described tablet storehouse and razor cartridges can be dropped then and replacement together, may be as an individual unit or chuck and tablet storehouse assembly.

With reference to Figure 10-12, described container 8 is thrown off with razor neck 10 and water is filled into certain level, and after this described container 8 and razor neck reconnect.Rotating element 32 manually rotates then so that will comprise the distribution locations that the recess 34 of a tablet takes a rotation to, described tablet 20 sinks to described container from described recess in this position, and mixes with water in described container to produce gas, and to produce the preparation fluid that will be transported to razor head 1.Described fluid is directed to the guard strip surface of razor head in as above identical with Fig. 1-9 illustrated embodiment mode, promptly by dip pipe, be included in transfer passage in the razor neck, be arranged in the razor head transfer manifold and at the opening 18 on guard strip surface.Be appreciated that, described tablet storehouse and distributing box just schematically illustrate, it can be configured to make described container to be closed hermetically after tablet of conveying is in described container, and this is necessary to produce fluid discharge desired gas pressure that will prepare in the reservoir container.

Certainly above-mentioned certain embodiments is improved, and do not broken away from the present invention such as claims restricted portion.By way of example, valve can be included in the fluid passage 13 between container 8 and the razor head 1, controls time and/or the speed that fluid is supplied to described razor head to allow the user.Equally, if desired, one is used for preparing and in the connection with shaving process tablet system that a kind of fluid of preparation is assigned on the skin surface can be independent of described razor.The advantage in container and tablet source is to compare very little and in light weight with traditional connection with shaving preparation distributing box.

Claims

1. razor, described razor comprises a razor head (1) and a reservoir (8), described razor head (1) comprises at least one blade (2), described reservoir (8) is used for supplying the fluid that applies to skin in the process of connection with shaving, described fluid is located or its contiguous place discharge in razor head (1) under pressure, described reservoir (8) is connected with described razor head (1), and comprise a chamber, it is characterized in that, described chamber is suitable for holding water and certain material prepares described fluid, described reservoir comprises that at least one is used for water and fills the entrance and exit of described chamber (7), and be provided with a distribution device (30), described distribution device can operate material from predetermined close to described reservoir that carry, and described distribution device is used for keeping the material of many dosage and is used for carrying to described reservoir (8) in order this material of predetermined close.

2. a kind of razor according to claim 1 is characterized in that, described reservoir (8) is a container that is used to form a razor handle.

3. a kind of razor according to claim 2, it is characterized in that, described razor head (1) is supported on the described container by a razor neck (10), and described razor neck provides a transfer passage that is used for the described razor head of direct fluid (1) that will discharge from described reservoir chamber.

4. a kind of razor according to claim 3 is characterized in that, described razor head (1) is arranged in shaves hair and send in the process blade elsewhere and when mobile, described fluid is discharged from a position in described blade (2) the place ahead on skin.

5. a kind of razor according to claim 4 is characterized in that, described fluid is located to be discharged from a guard strip surface (4).

6. according to any described a kind of razor in the claim 1 to 5, it is characterized in that the material of described predetermined close is set to tablet form (20) or is comprised in the water-soluble capsule.

7. according to any described a kind of razor in the claim 1 to 5, it is characterized in that described distribution device (30) comprises the tablet storehouse of the described material of a tablet form (20) that is used to keep predetermined close.

8. a kind of razor according to claim 7 is characterized in that, the described material of each dosage enough is used for once complete connection with shaving.

9. a kind of razor according to claim 8 is characterized in that, described material produces carbon dioxide when mixing with water.

10. a kind of razor according to claim 9 is characterized in that described material comprises sodium bicarbonate.

11. a kind of razor according to claim 9, it is characterized in that, described material comprises tartaric acid and/or citric acid, and at least a salt of selecting from be made up of natrium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate and saleratus one group.

12. according to any described a kind of razor in the claim 1,2,3,4,5 and 8, it is characterized in that, described material has produced a kind of fluid when mixing with water, described fluid has the lubricating property of expectation and/or chemical treatment characteristic and/or the bacterium or the medicinal property of wet characteristic and/or fragrance and/or hair, and/or sanitary characteristics and/or blood clotting characteristic.

13. according to any described a kind of razor in the claim 1,2,3,4,5,8,9,10 and 11, it is characterized in that, provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet.

14. according to any described a kind of razor in the claim 1,2,3,4,5,8,9,10 and 11, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.

15. a kind of razor according to claim 6, it is characterized in that, described material produces a kind of fluid when mixing with water, described fluid has the lubricating property of expectation and/or chemical treatment characteristic and/or the bacterium or the medicinal property of wet characteristic and/or fragrance and/or hair, and/or sanitary characteristics and/or blood clotting characteristic.

16. a kind of razor according to claim 7, it is characterized in that, described material produces a kind of fluid when mixing with water, described fluid has the lubricating property of expectation and/or chemical treatment characteristic and/or the bacterium or the medicinal property of wet characteristic and/or fragrance and/or hair, and/or sanitary characteristics and/or blood clotting characteristic.

17., it is characterized in that provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet according to the described a kind of razor of claim 6.

18., it is characterized in that provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet according to the described a kind of razor of claim 7.

19., it is characterized in that provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet according to the described a kind of razor of claim 12.

20., it is characterized in that provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet according to the described a kind of razor of claim 15.

21., it is characterized in that provide a valve gear (24,25) to control fluid and passed through flowing of an outlet (7), fluid flows out from described reservoir by described outlet according to the described a kind of razor of claim 16.

22. a kind of razor according to claim 6, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.

23. a kind of razor according to claim 7, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.

24. a kind of razor according to claim 12, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.

25. a kind of razor according to claim 15, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.

26. a kind of razor according to claim 16, it is characterized in that, provide a dip pipe (11) to come to discharge fluid from described reservoir (8), described dip pipe has a valve gear, is used to allow fluid to discharge by this valve gear during upright or reversing at described reservoir.