EP0495754A1 - Cartouche d'échange pour un rasoir avec un applicateur - Google Patents
Cartouche d'échange pour un rasoir avec un applicateur Download PDFInfo
- Publication number
- EP0495754A1 EP0495754A1 EP92810009A EP92810009A EP0495754A1 EP 0495754 A1 EP0495754 A1 EP 0495754A1 EP 92810009 A EP92810009 A EP 92810009A EP 92810009 A EP92810009 A EP 92810009A EP 0495754 A1 EP0495754 A1 EP 0495754A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation
- replacement cartridge
- pump
- cartridge according
- reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
- B26B21/446—Shaving aid stored in the razor handle
Definitions
- the invention is in the field of personal care and relates to an exchange cartridge for a razor and a corresponding razor according to the independent claims.
- the shaving device has an application device and the replacement cartridge has a reservoir for an application agent.
- CH patent application no. 1131 / 90-5 by the same applicant describes an application device which can be integrated, for example, in a shaving device and with which, for example, a skin preparation is distributed on the skin directly in front of the razor blade in the shaving direction.
- the application device consists of an applicator and a feed device.
- the applicator has, for example, an application roller and a system of supply channels and serves to distribute the preparation on the skin.
- the feed device has a reservoir for the preparation and means with which the preparation is conveyed into the applicator, for example a small pump for manual operation.
- the same registration and especially the CH registration No. 2097/90 by the same applicant also show complete shaving devices in which corresponding application devices are integrated.
- the feed device forms, for example, the handle of the shaving device while the applicator is built into the shaving head or a blade holder is placed on the applicator.
- the individual parts of the application device are firmly connected to one another. As a result, the device becomes unusable as soon as one of the parts is no longer functional.
- the reservoir is advantageously dimensioned such that it is empty when the blade is no longer sharp.
- a device is a disposable device and must be able to be manufactured extremely cheaply.
- such a device like all disposable items, has the advantage of being absolutely maintenance-free.
- the shaver has an exchangeable blade (or exchangeable blades)
- the user is willing to spend a little more on such a device so that it can be better designed in terms of quality, aesthetics and ergonomics.
- the device has the disadvantage that its reservoir has to be refilled. This disadvantage can be eliminated with an exchange cartridge, which is an exchangeable reservoir with preparation.
- Another disadvantage is that when the reservoir is emptied, the pump can fill with air, which means that the pump has to be designed in such a way that it can not only pump the preparation but also suck it in, a disadvantage, which cannot be avoided by using a replacement cartridge with a reservoir.
- the shaver with the replacement cartridge should be easy to care for and its lifespan should not be dependent on user care.
- the cartridge should be designed in such a way that it can be exchanged in a simple manner and that it is not possible to carry contaminants into contaminant-sensitive parts, for example into the pump, during the exchange.
- the replacement cartridge according to the invention not only has a reservoir with preparation, but also includes the means by which the application preparation is conveyed into the application device of the shaving device.
- These means can consist, for example, of a small pump.
- a small pump proves to be advantageous since it is easy to implement and does not require any propellant.
- the pump is part of the replacement cartridge and not the shaver.
- the pump doesn't need for to be designed for a long service life, secondly, it does not need to be accessible for cleaning purposes, thirdly, impurities cannot be introduced between the reservoir and the pump in any way, which could then be flushed into the pump by the flow of the preparation, and fourthly, every new replacement cartridge can do so be filled with preparation so that the pump is also filled, so that it does not have to be able to suck in the application preparation.
- a sensitive, but nevertheless inexpensive pump can be used which can be operated with minimal forces.
- the replacement cartridge also has a connector. This is designed such that, together with a corresponding counterpart that is part of the shaving device, it forms a connection device for the replacement cartridge on the shaving device.
- the connection device not only serves to attach the replacement cartridge to the shaving device, but also, possibly together with other parts of the shaving device, forms at least one channel that is sealed to the outside for the preparation between the replacement cartridge and the applicator.
- the connector and counterpart are thus coordinated with one another in such a way that, when the replacement cartridge is in the assembled state, they connect the preparation outlet of the replacement cartridge tightly to the channel system of the shaving device.
- the replacement cartridge and the shaving device are designed such that the hand movement necessary for the actuation or activation of the means for conveying the application agent into the applicator is that the replacement cartridge or a part thereof is pressed against the shaving device or a part thereof Hand movements can be easily carried out with the same hand as the shaver.
- a shaving device with such a replacement cartridge only has to be cleaned in the area of the application device, in the area of the blade and in the sealing area of the counterpart. This is possible without difficult manipulations, because all surfaces to be cleaned, including the feed channels of the application device, are easily accessible for running water when the replacement cartridge is removed.
- FIG. 1 shows in a very schematic representation the principle of an exemplary embodiment of the replacement cartridge 1 according to the invention, which is mounted on a counterpart 4 of a shaving device.
- the functioning of such an exchange cartridge can be clearly seen from this figure.
- the replacement cartridge 1 consists of a reservoir part 2, a pump part 3 and a connecting piece 10.
- the connecting piece 10 is fastened to the counterpart 4, which in turn is firmly connected to the shaving device, for example at a point F by reversible positive locking.
- Connection piece 10 and counterpart 4 are matched to one another in such a way that, when assembled, they form an externally sealed connection between the preparation outlet of the replacement cartridge and the channel system for the preparation in the shaving apparatus. This can be achieved, for example, by appropriate sealing surfaces at point D.
- the reservoir part 2 consists of a hollow body with two openings, in which a piston 21 is movably mounted.
- the piston 21 divides the cavity of the reservoir part 2 into a preparation space 22 and an air space 23, that each of the two rooms 22 and 23 has an opening.
- the pump part 3 adjoins the opening of the preparation chamber 22 and essentially consists of an elastically compressible pump chamber 31, which is shown schematically as a removable tank, with an inner one-way valve 32 and an outer one-way valve 33 (shown schematically as a box with the direction of travel).
- the inner valve 32 which is arranged between the pump chamber 31 and the preparation chamber 22, is designed such that it opens in the event of a pressure drop from the preparation chamber 22 to the pump chamber 31.
- the outer valve 33 which is attached to the outlet of the pump chamber 31 and, in the assembled state of the replacement cartridge 1, leads the pump chamber 31 with the feed channel 41 to the applicator of the shaving device (not visible in the figure) is designed in such a way that it opens at one Pressure drop from the pump chamber 31 to the feed channel 41.
- the replacement cartridge 1, which the user buys with the shaver or individually, is filled with preparation. If the pump is designed in such a way that it can suck in the preparation, it is sufficient if the preparation space 22 is filled to its maximum volume.
- the specimen chamber 22 can either be filled through its outlet opening before the pump part 3 is assembled, or through a filling opening in the wall of the specimen chamber or in the piston 21 when the replacement cartridge is fully assembled. If the pump cannot suction the specimen, the pump must also Pump chamber 31 to be filled to its maximum volume. This is achieved, for example, in that the two spaces 22 and 31 are either filled through the pump space outlet, specifically the preparation space 22 before the two valves 32 and 33 are installed, and the pump space 31 after the inner valve 32 is installed but before the outer valve 33 is installed. Or, when the valves 32 and 33 are fully assembled, the two spaces are filled from the reservoir side, for example through a corresponding filling opening in the preparation chamber wall or in the piston 21, which is closed after filling.
- the positive connection F between the connector 10 of the replacement cartridge 1 and the counterpart 4 on the shaving device is designed such that the reservoir part 2 can be moved relative to the connector part 10 and counterpart 4 for the compression of the pump chamber to a limited extent and that the forces which are required for the positive connection , are not directed in the same way as the forces required for this relative movement.
- the pump chamber 31 is compressed, for example, by pressing together (arrows) the replacement cartridge 1 and the counterpart 4 (or shaving device). This creates an overpressure and this opens the outer valve 33 and the preparation is conveyed into the feed channel 41 of the applicator. If the pressure is balanced by the flow, the outer valve 33 closes. If the force is released from the outside, the pump chamber 31 increases due to its elasticity, as a result of which a negative pressure is created therein. As a result, the inner valve 32 opens and the preparation is pushed out of the preparation chamber 22 into the pump chamber 31, while the piston 21 moves the inner valve 32. As soon as the pressures are balanced again, the inner valve 32 closes. With each pumping movement, the preparation space 22 shrinks while the air space 23, which is open to the outside, increases.
- the reservoir part 2 is subdivided into a preparation space 22 and an air space 23, the preparation in stock does not come into contact with the outside air, so that it remains very long, because it is impaired by introduced bacteria and by oxidation is impossible.
- FIG. 2 now shows in detail an exemplary embodiment of the replacement cartridge according to the invention, which is mounted on a corresponding shaving device, which is, however, only partially shown in this figure.
- Figure 3 shows the corresponding razor without replacement cartridge.
- the parts of the replacement cartridge and razor already described in their function in connection with FIG. 1 are given the same reference numbers referred to, even if they have a different shape.
- the shaving device and the replacement cartridge are shown in section in FIG. 2 with a sectional plane which is identified by AA in FIG.
- FIG. 3 also shows the shaving device without a replacement cartridge, the cutting plane being perpendicular to the cutting plane of FIG. 2.
- the shaving device has a blade unit 5 and an application device 6, the blade unit 5 being interchangeable but firmly seated on a housing part 7, while the application device 6 is slidably integrated in the housing part 7.
- the replacement cartridge 1, consisting of a reservoir part 2 and a pump part 3, is exchangeable and rigidly mounted on a counterpart 4, the pumping movement of the reservoir part 2 relative to the connector 10 and counterpart 4 is guided in the housing part 7.
- the reservoir part 2 of the replacement cartridge essentially corresponds to the corresponding part in FIG. 1.
- it includes molded parts 24, on which the pump part is placed, for example by irreversible positive locking.
- the pump chamber 31 is delimited by the wall of the reservoir part, by an annular, elastically compressible seal 34 and by the pump body 35.
- the pump body 35 is equipped with projections 36 which, together with the projections 24 of the reservoir part 2, allow an irreversible form fit, such that that reservoir part 2 and pump body 35 can be moved relative to one another in a limited manner in the axial direction, but a relative rotary movement is not possible.
- the axial movement is guided by the projections 24 and 36. It effects a varying compression of the sealing ring 34 and thus a varying size of the pump chamber 31.
- the sealing ring 34 can be mounted between two parallel surfaces and can be designed with respect to cross section and material in such a way that one for its compression, if possible small force is necessary.
- the one of the surfaces supporting the ring can be inclined relative to the other in such a way that it protrudes into the ring in a crucible shape. If the two surfaces are moved against one another in such an embodiment, the ring is not only compressed, but at the same time also pressed against the enlarging cross section of the cone. In this way, the pump space can be reduced with minimal force.
- the one-way valves 32 and 33 shown in the exemplary embodiment according to FIGS. 2 and 3 are spherical valves which combine the properties of diaphragm valves and of ball valves.
- a combined closing / spring part 37 consists of a calotte part 37.1, to which, for example, three spring parts 37.2 are molded (the corresponding parts are only indicated on the inner valve 32 in the figure).
- the closing / spring part 37 is fastened with the aid of a fixing plate 38 in a corresponding recess in the wall of the reservoir part 2 (or the pump body 35 for the outer valve 33) in such a way that the spring parts 37.2 are slightly prestressed.
- the preload is selected in such a way that the two valves are sealed at rest (no pressure differences), but that only forces that guarantee easy operation are necessary to open them.
- valves such as ball valves or diaphragm valves can also be used instead of the spherical valves shown. It is also not imperative that the two valves are configured identically.
- the formations 36 of the pump body 35 carry on their outside a connector 10 which is equipped with an external thread 38.1.
- the corresponding internal thread 38.2 is attached to the annular projection 42 of the counterpart 4.
- the replacement cartridge 1 With the help of the thread 38.1 / 2, the replacement cartridge 1 is mounted in the shaver.
- a bayonet lock or a similar form-fitting or other fastening means can also be used.
- the counterpart 4 is, for example, integrated in a floating manner in the housing part 7, but can also be fixedly attached therein or be part of it.
- the feed channel to the applicator runs partly (41.1) through a bore in the counterpart 4, partly it runs between the housing part 7 and counterpart 4 (41.2).
- the application preparation is guided from the channel section 41.2 through a piece of hose (channel section 41.3, which is shown only as a section in FIG. 2 and as two sections in FIG. 3) and through the actual feed channel of the applicator 41.4 to the application roller 61 of the application device 6.
- the counterpart carries the fastening means to which the replacement cartridge 1 is fastened with the aid of the connector 10, for example the inner thread 38.2. Secondly, it forms at least part of the channel system 41.1 / 2/3/4, through which the preparation is guided from the replacement cartridge 1 into the application device 6. Thirdly, it comprises sealing means which, together with corresponding sealing means on the side of the replacement cartridge, seal the channel system at the transition point of the replacement cartridge / shaving device. In the embodiment shown in FIGS. 2 and 3, these sealing means consist of the ring-shaped projection 43, which together with a corresponding projection 39 forms a common sealing surface 44 on the pump body 33, which has the shape of a truncated cone.
- the blade unit 5 is attached in the shaving direction (arrow R) behind the application roller 61. It consists of a blade 51 between one Guide / protection element 52 and a mounting part 53 is retained. Corresponding blade units can be found in CH application no. 03018 / 90-8 by the same applicant.
- the entire blade unit 5 is an exchange element and, in the embodiment shown, is attached to the housing part with the aid of elastic form-locking means.
- the application device 6 can be moved in four different positions relative to the assembled blade unit 5, wherein it engages in corresponding grid positions 62.1 / 2/3/4. If the application device is pushed back completely and engages in the raster position 62.1, the application roller is completely removed from the cutting area of the blade 51. This position is advantageously used for cutting longer hair without application of preparation. If the application device is locked in the grid position 62.2 (as shown in the figure), the application roller 61 is in a position relative to the blade 51 which is optimal for shaving and simultaneous application. If the application device is snapped into the grid point 62.3, the device can be cleaned, especially between the application device 6 and the guide / protection element 52 of the blade unit, where the shaved hair parts collect. When the application device 6 is finally snapped into the grid point 62.4, part of the application device 6 is pushed between the housing part 7 and the blade unit 5. In this way, the positive locking means of the blade unit 5 are deformed in such a way that they can be removed.
- the application device has a cleaning comb 63 which, when the application device is moved, is guided through the tooth-shaped formations of the guide / protective element 52 and removes hair parts deposited in between. So that when the application device is pushed back, this cleaning comb 63 does not contaminate the interior of the device can wear, it in turn runs through a comb-shaped part 9 which is fixedly connected to the housing part 7.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Coating Apparatus (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH125/91 | 1991-01-17 | ||
| CH12591 | 1991-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0495754A1 true EP0495754A1 (fr) | 1992-07-22 |
| EP0495754B1 EP0495754B1 (fr) | 1994-03-30 |
Family
ID=4179829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92810009A Expired - Lifetime EP0495754B1 (fr) | 1991-01-17 | 1992-01-07 | Cartouche d'échange pour un rasoir avec un applicateur |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5283952A (fr) |
| EP (1) | EP0495754B1 (fr) |
| JP (1) | JPH0724155A (fr) |
| AT (1) | ATE103526T1 (fr) |
| DE (1) | DE59200098D1 (fr) |
| DK (1) | DK0495754T3 (fr) |
| ES (1) | ES2054526T3 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008152594A1 (fr) * | 2007-06-12 | 2008-12-18 | The Gillette Company | Rasoir à distribution de liquide actionnable manuellement |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5903979A (en) * | 1994-07-13 | 1999-05-18 | The Gillette Company | Safety razors |
| ATE283750T1 (de) * | 1996-08-29 | 2004-12-15 | Koninkl Philips Electronics Nv | System und vorrichtung zur persönlichen körperpflege |
| US7103977B2 (en) * | 2002-08-21 | 2006-09-12 | Eveready Battery Company, Inc. | Razor having a microfluidic shaving aid delivery system and method of ejecting shaving aid |
| US7121754B2 (en) * | 2003-12-08 | 2006-10-17 | Eveready Battery Company, Inc. | Shaving apparatus with pivot-actuated valve for delivery of shaving aid material |
| US8826543B2 (en) * | 2009-03-23 | 2014-09-09 | The Gillette Company | Manually actuable liquid dispensing razor |
| US8745877B2 (en) * | 2009-03-23 | 2014-06-10 | The Gillette Company | Manually actuable liquid dispensing razor |
| CN102666039B (zh) * | 2009-12-08 | 2015-03-11 | 皇家飞利浦电子股份有限公司 | 带有替换指示器的剃须套件 |
| CN102452096A (zh) | 2010-10-28 | 2012-05-16 | 吉列公司 | 用于分配液体的毛发移除装置的柄部 |
| CN102452085B (zh) | 2010-10-28 | 2016-01-27 | 吉列公司 | 用于分配液体的毛发移除装置的泵 |
| CN102452091B (zh) | 2010-10-28 | 2015-08-12 | 吉列公司 | 用于毛发移除装置的具有导流板的施用装置 |
| CN102452095B (zh) | 2010-10-28 | 2014-10-29 | 吉列公司 | 用于分配液体的毛发移除装置的施用装置 |
| CN102452094A (zh) | 2010-10-28 | 2012-05-16 | 吉列公司 | 分配液体的毛发移除套件 |
| CN102452092B (zh) | 2010-10-28 | 2015-04-01 | 吉列公司 | 分配液体的毛发移除装置 |
| CN102452088B (zh) | 2010-10-28 | 2015-07-01 | 吉列公司 | 具有刀片架保持覆盖件的毛发移除装置 |
| US9156175B2 (en) | 2011-12-09 | 2015-10-13 | The Gillette Company | Fluid applicator for a personal-care appliance |
| WO2013082814A1 (fr) | 2011-12-09 | 2013-06-13 | The Gillette Company | Cartouche de distribution de fluide remplaçable |
| MX2016005509A (es) * | 2013-11-01 | 2016-07-22 | Gillette Co | Composicion para el cuidado durante el afeitado para una rasuradora dispensadora de liquidos. |
| US20150239138A1 (en) * | 2014-02-21 | 2015-08-27 | Steven M. Kurzet | Self-contained Shaving System |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1899841A (en) * | 1931-02-18 | 1933-02-28 | Raymond V Acken | Safety razor |
| CH279398A (de) * | 1947-10-29 | 1951-11-30 | Noel Davies James | Rasierapparat mit Rasierflüssigkeit. |
| US3726009A (en) * | 1971-04-12 | 1973-04-10 | S Hackmyer | Self-lathering shaver |
| US4653188A (en) * | 1986-03-12 | 1987-03-31 | Kwak Kyu H | Razor containing shaving cream dispenser therein |
| FR2634154A1 (fr) * | 1988-07-12 | 1990-01-19 | Guedj Patrick | Dispositif de rasage avec produit de rasage incorpore |
| EP0463992A1 (fr) * | 1990-06-22 | 1992-01-02 | Kai Industries Co. Ltd. | Rasoir mécanique |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2866265A (en) * | 1956-11-02 | 1958-12-30 | John D Kells | Combination safety razor and lather dispenser having telescopically related head and dispensing assemblies |
| US3417468A (en) * | 1965-07-27 | 1968-12-24 | Miyauchi Hideo | Razor |
| US4023269A (en) * | 1976-08-30 | 1977-05-17 | Lopez Jr Lorenzo | Shaving device |
| US4753006A (en) * | 1985-03-01 | 1988-06-28 | Howe James E | Disposable razor with shaving cream in handle |
| US5072512A (en) * | 1990-05-18 | 1991-12-17 | Noujain Elie G | Reservoir razor for applying a thin film of metal lubricant onto the blade of the razor and method of shaving |
| US5092041A (en) * | 1991-06-10 | 1992-03-03 | Grigory Podolsky | Universal shaving device |
-
1992
- 1992-01-07 ES ES92810009T patent/ES2054526T3/es not_active Expired - Lifetime
- 1992-01-07 AT AT92810009T patent/ATE103526T1/de not_active IP Right Cessation
- 1992-01-07 DK DK92810009.8T patent/DK0495754T3/da not_active Application Discontinuation
- 1992-01-07 DE DE92810009T patent/DE59200098D1/de not_active Expired - Fee Related
- 1992-01-07 EP EP92810009A patent/EP0495754B1/fr not_active Expired - Lifetime
- 1992-01-15 US US07/820,927 patent/US5283952A/en not_active Expired - Fee Related
- 1992-01-16 JP JP4005436A patent/JPH0724155A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1899841A (en) * | 1931-02-18 | 1933-02-28 | Raymond V Acken | Safety razor |
| CH279398A (de) * | 1947-10-29 | 1951-11-30 | Noel Davies James | Rasierapparat mit Rasierflüssigkeit. |
| US3726009A (en) * | 1971-04-12 | 1973-04-10 | S Hackmyer | Self-lathering shaver |
| US4653188A (en) * | 1986-03-12 | 1987-03-31 | Kwak Kyu H | Razor containing shaving cream dispenser therein |
| FR2634154A1 (fr) * | 1988-07-12 | 1990-01-19 | Guedj Patrick | Dispositif de rasage avec produit de rasage incorpore |
| EP0463992A1 (fr) * | 1990-06-22 | 1992-01-02 | Kai Industries Co. Ltd. | Rasoir mécanique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008152594A1 (fr) * | 2007-06-12 | 2008-12-18 | The Gillette Company | Rasoir à distribution de liquide actionnable manuellement |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59200098D1 (de) | 1994-05-05 |
| JPH0724155A (ja) | 1995-01-27 |
| ES2054526T3 (es) | 1994-08-01 |
| ATE103526T1 (de) | 1994-04-15 |
| DK0495754T3 (da) | 1994-05-09 |
| US5283952A (en) | 1994-02-08 |
| EP0495754B1 (fr) | 1994-03-30 |
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