CN1313804A - Applying fluid preparations to the skin, E.G. in connection with shaving - Google Patents

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

For example when connection with shaving, on skin, apply fluid preparation

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.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.

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, provide a kind of razor, described razor comprises a razor head, reservoir, a kind of material; Described razor head comprises at least one blade; Described reservoir is used for applying described fluid in the connection with shaving process to described skin; Described material produces a kind of gas and produces the fluid that will put on skin when mixing with water; Described reservoir is connected with described razor head and comprises, the chamber that can recharge water, be used for water and fill at least one entrance and exit of described chamber, be used for described material is imported this chamber, be used in described chamber, mixing with water, to be applied to the fluid of skin with preparation, and the fluid that is used for preparing is discharged to put on skin from described chamber, discharge near razor head place or its under the pressure effect that described fluid produces in described chamber, the gas that produces when described material mixes with water in described chamber has produced the pressure in the described chamber.

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 is used from a reservoir by recast when connection with shaving to discharge, 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.

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 is conveyed 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 adjusting 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 that heavy carbonic is received, and 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 received, select sodium bicarbonate, potassium carbonate, potassium bicarbonate and the saleratus from sodium carbonate, heavy carbonic.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.

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.

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 and open 18 by means of described dip pipe 11, transfer passage 13, transfer manifold 16 and be transported to the guard strip surface, 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 (35)

1. A method for preparing a fluid to be applied to the skin, for example during shaving, the method comprising filling a refillable reservoir with water and adding a substance to said water, The substance is capable of generating gas and producing the fluid when mixed with water, the reservoir is sealed after adding the substance, whereby the generated gas increases the pressure in the reservoir and with the The gas pressure is used to output the fluid from the reservoir for application to the skin. 2. A method according to claim 1, characterized in that said substance is added to said water in the form of a tablet or contained in a water soluble capsule. 3. A method according to claim 1 or 2, wherein the fluid is delivered from the reservoir to the razor head for application to the skin. 4. A method according to claim 1, 2 or 3, wherein said substance is added to said water in a predetermined amount to produce sufficient preparation fluid for one shaving session. 5. A method according to claim 1, 2, 3 or 4, characterized in that the substance is added to water so as to generate carbon dioxide when mixed with water. 6. A method according to claim 5, wherein said substance comprises sodium bicarbonate. 7. A kind of method according to claim 5, it is characterized in that, described substance comprises tartaric acid and/or citric acid, and at least one is made from sodium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, or a salt selected from the group consisting of potassium bicarbonate. 8. A system for preparing a fluid to be applied to the skin, for example during shaving, the method comprising a refillable reservoir having at least one inlet and one outlet For filling said reservoir with water and adding a dose of a substance to said water-filled reservoir so as to mix with the water in the reservoir and expel the fluid contents by the action of gas pressure in the reservoir and a dose of a substance to be added to water which, when mixed with water, generates a gas and produces a prepared fluid for application to the skin, said reservoir for containing said dose of substance with which The resulting gas is mixed with the water and the pressure in the reservoir is increased, and the prepared fluid is expelled through the outlet for application to the skin. 9. 8. A system according to claim 8 including means for delivering a dose of substance into said reservoir. 10. A system according to any one of claims 8 or 9, comprising a dose of the substance in tablet form or contained in a water soluble capsule. 11. A system according to any one of claims 8, 9 or 10, comprising a dispensing cartridge for holding respective doses of substance and operable to deliver respective doses into said reservoir. 12. A system according to any one of claims 8 to 11, wherein said dosed substance generates carbon dioxide when mixed with water. 13. A system according to claim 12, wherein said dosed substance comprises sodium bicarbonate. 14. A system according to claim 12, characterized in that the dosed substance comprises tartaric acid and/or citric acid, and at least one of the components consisting of sodium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, bicarbonate A salt selected from the group consisting of potassium, or potassium bicarbonate. 15. A razor comprising a razor head, a reservoir, a substance; the razor head comprising at least one blade; the reservoir for applying a fluid to the skin during shaving; the substance and A gas is produced when the water mixes and produces a fluid to be applied to the skin; the reservoir is connected to the razor head and includes a refillable water chamber and at least one for filling the chamber with water inlet and outlet, and for introducing the substance into the chamber, for mixing with water in the chamber, for preparing a fluid to be applied to the skin, and for transferring the prepared fluid from the chamber The chamber is discharged to apply to the skin, the fluid is discharged at or near the razor head under the pressure generated in the chamber, and the gas generated when the substance mixes with water in the chamber produces the pressure in the chamber. 16. A razor according to claim 15, wherein said reservoir is a container for forming a razor handle. 17. A razor according to claim 16, wherein said razor head is supported on said container by a razor neck, said razor neck providing a means for drawing fluid from said reservoir cavity chamber drains to the delivery channel of the shaving head. 18. A razor according to claim 17, wherein said razor head is positioned in front of said blades for fluid to be expelled as it moves over the skin during shaving. 19. A razor according to claim 18, wherein said fluid is expelled at the surface of the guard strip. 20. A razor according to any one of claims 15 to 19, wherein means are provided for delivering a dose of substance into said container. twenty one. A razor according to any one of claims 15 to 20, wherein the dose of substance is in tablet form or contained in a water soluble capsule. twenty two. A razor as claimed in any one of claims 15 to 21 including a cartridge for holding respective doses of substance and operable to sequentially deliver respective doses into said reservoir chamber. twenty three. A razor according to any one of claims 15 to 22, wherein said substance generates carbon dioxide when mixed with water. twenty four. A razor according to claim 23, wherein said substance comprises sodium bicarbonate. 25． A kind of razor according to claim 23, it is characterized in that, described substance comprises tartaric acid and/or citric acid, and at least one is made from sodium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, or a salt selected from the group consisting of potassium bicarbonate. 26． A container for preparing a fluid to be applied to the skin during shaving, comprising a refillable reservoir and a dispensing device, the reservoir having an inlet for filling the reservoir with water , the dispensing device is operable to deliver doses of a substance into the water-filled reservoir, the dispensing device being configured to hold a number of doses and deliver the predetermined doses sequentially to the reservoir . 27． 26. A container according to claim 26, wherein said dispensing means comprises a tablet compartment for holding predetermined doses of the substance in tablet form. 28． A container according to claim 26 or 27, wherein each dose of substance is sufficient for a complete shave. 29． 28. A container as claimed in claim 26, 27 or 28, wherein said substance generates gas when mixed with water to pressurize said reservoir and produce a fluid for application to the skin. 30． 29. A container according to claim 29, wherein said substance produces carbon dioxide when mixed with water. 31． 30. A container according to claim 30, wherein said substance comprises sodium bicarbonate. 32． A kind of container according to claim 30, it is characterized in that, described substance comprises tartaric acid and/or citric acid, and at least one is made from sodium carbonate, sodium bicarbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, or a salt selected from the group consisting of potassium bicarbonate. 33． The invention according to any one of the preceding claims, characterized in that said substance mixed with water produces a fluid with desired lubricating properties and/or moisturizing properties and/or fragrance and/or chemical treatment of hair properties and/or bacterial or pharmaceutical properties, and/or cleaning properties and/or blood clotting properties. 34． 10. The invention as claimed in any one of the preceding claims, wherein a valve means is provided to control the flow of fluid through a delivery channel through which fluid flows from the reservoir. 35． The invention as claimed in any one of the preceding claims, wherein a dip tube is provided for draining fluid from said reservoir, said dip tube having a valve means for allowing fluid to flow when said reservoir is upright or inverted. discharge through it.

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