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WO1996005950A1 - Appareil et procede de rasage - Google Patents

Appareil et procede de rasage Download PDF

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Publication number
WO1996005950A1
WO1996005950A1 PCT/US1995/001208 US9501208W WO9605950A1 WO 1996005950 A1 WO1996005950 A1 WO 1996005950A1 US 9501208 W US9501208 W US 9501208W WO 9605950 A1 WO9605950 A1 WO 9605950A1
Authority
WO
WIPO (PCT)
Prior art keywords
reservoir
water
blades
face
user
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.)
Ceased
Application number
PCT/US1995/001208
Other languages
English (en)
Inventor
Harbert S. Gregory
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU18689/95A priority Critical patent/AU1868995A/en
Publication of WO1996005950A1 publication Critical patent/WO1996005950A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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

Definitions

  • the present invention relates to shaving implements and particularly to disposable razors having a blade carrying head detachably and reattachably connected to a handle.
  • the present invention relates to razors having a fluid reservoir thereon for dispensing water onto one or more razor blades carried by the razor.
  • the present invention relates to instant interaction of user-controlled water dispensed on a film of dried lubricant pre-applied to a user's face to minimize the abrading thereof by a razor.
  • Shaving comfort is defined as smoothness of the shaving stroke.
  • the ultimate objective is to gain the closest possible shave, without abrading the skin.
  • Several factors must be considered to provide maximum closeness, smoothness and comfort. The most crucial factors are: (1) softness of facial hairs; (2) keenness of the razor blades; (3) facial hair orientation relative to the skin surface and razor blades; and (4) maximum lubrication to remove friction between the moving razor head and skin, and to render the skin surface so slippery that abrasion by the moving blade is eliminated.
  • the cutting edge of the razor blades must be very keen to provide the most efficient cutting of facial hair. Closely associated with razor keenness is facial hair orientation relative to skin surface. Facial hair should be standing as normal as possible to the user's face and razor blades such that a minimum cross-section is presented to the blade. In other words, the hair should protrude substantially perpendicular to or at a substantially ninety degree angle relative to the skin surface. Such hair orientation affords enhanced comfort and cutting efficiency due to less surface area of hair to be cut. The most successful and widely used method employed to hold facial hair erect is through the use of shaving foam or gel.
  • shaving foam has many other purposes in addition to facial hair orientation (e.g., medicated, scented, moisturizers) , namely softening of facial hair.
  • An additional factor involved with the efficient cutting of facial hair is the temperature of the water on the skin surface. The warmer the water on the user's face, the softer the facial hair becomes which complements the function of the present invention.
  • Natural friction between the moving razor head and skin surface must be minimized to avoid locally distorting the skin thus leaning the hair away as the blade approaches.
  • Maximum lubrication of the skin must be present to minimize the friction, and to lubricate the skin so that the blade edge will "slide” instead of "cut” the skin.
  • the degree of lubrication depends on the amount of lubricant which is activated in place when the blade moves across the skin. Diluted lubricant does not prevent razor burn.
  • Various usages of razors especially disposable razors, shaving foams, water and selected lubricants for facilitating the removal of facial hair from the surface of a user's face, are commonly known.
  • a user will wet his face and apply shaving foam, cream or gel thereto before stroking the razor blades across the face.
  • the foam must be quite dry, or it will not hold its position on the face.
  • the water which is retained in the dampness of the face and which clings to the razor body, interacts with the shaving foam to soften the user's facial hairs and to hold them erect thus promoting easier cutting thereof by the razor blades.
  • Dilute lubricants may be embodied in the foam to interact with the water and lubricate the user's face to effect unabrasive movement of the razor blades thereacross.
  • a diluted pre-shave "water-based" lubricant i.e., a lubricant that contains water
  • the comparatively dry foam when applied to the pre-shave water-based lubricant, wicks the wet lubricant from the user's face making the face highly vulnerable to skin abrasion.
  • the diluted lubricant will provide reduced lubrication.
  • Harrison's reservoir includes a filling tube which opens to the atmosphere proximal the razor's handle. It is sealed once the reservoir is full of shaving liquid.
  • a "very small breather duct" extends through the wall of the reservoir into the atmosphere to let air escape while the reservoir is being filled. The breather duct is so small that the surface tension of the shaving liquid will not permit the liquid to pass through the duct. No amount of movement, rotation or shaking of the reservoir will overcome the surface tension thus allowing shaving liquid to escape through the breather duct. Only air can pass through the breather duct.
  • capillary size ports extend through the top of Harrison's reservoir. These can also be characterized as weep holes.
  • a double-edge razor blade is captured by a cap intermediate the cap and the outer surface of the top of the reservoir. The blade is captured so that it overlies the capillary size ports in the top of the reservoir.
  • the shaving liquid tends to fill the capillary size ports. Some of the shaving liquid passes through the capillary size ports and migrates into the interstices between the adjacent surfaces of the razor blade and outer surface of the top of the reservoir. As a result, Harrison discloses that a vacuum tends to build up in the reservoir as some of the liquid is fed through the capillary size ports so that an equilibrium is quickly reached tending to oppose further feed of the liquid through the capillary size ports.
  • the system is designed so that as soon as the person begins shaving, the razor blade will begin a small fluttering action between the cap and the top of the reservoir, whereby a small amount of shaving liquid will be pumped out of the reservoir, through the capillary size ports, past the interstices mentioned earlier, to the skin of the user.
  • Harrison's invention in order for Harrison's invention to be operable, Harrison requires a pumping action due to the fluttering of the razor blade in order to dispense liquid from his reservoir.
  • the handle and razor engaging heads are affixed, with only the razor blade itself being a disposable component. Since the head is affixed to the handle, the head can be channeled, hollowed or otherwise constructed to conduct fluid to the blades.
  • the more commonly used razors on the market today use a blade carrying head that is disposable along with the razor blades carried thereby.
  • the prior art cited above could not accommodate such disposable heads.
  • such razors having hollowed handles and/or heads plus additional means for facilitating flow are comparatively more complex than most disposable razors thus significantly more difficult to manufacture and accordingly more expensive to purchase.
  • the razors described above though allegedly efficient in providing water to the user's face, do not address the problem of the wicking of separately applied lubricant from the user's face by the shaving cream applied thereto.
  • prior razors do not offer volume selectivity to accommodate variations in the heaviness of the user's beard which may require more or less water to perform the entire stroke.
  • the prior razors do not provide any control feature that enables the user to elect when, during the course of a stroke, the water will be released to activate the lubricant.
  • the other systems also do not provide a means where by the water can be maintained with desired temperature as does this system which involves frequent refills.
  • Another object of the present invention is to provide a method for shaving that produces continuous super-saturation of foam and lubricant contacting the user's face as the razor blades are urged thereacross.
  • Another object of the present invention is to provide a system wherein maximum lubricant can be applied to the face in a dried film and wherein adequate water can be provided to super-saturate the foam throughout the stroke there by providing sufficient moisture to activate the heavy film of lubricant in place.
  • Yet another object of the present invention is to provide a reservoir of water, adjacent to the blades, that can be controllably released by the user onto the blades and user's face adjacent thereto. And still another object of the present invention is to provide a convenient system for shaving whereby the user can select a razor head adaptor that will provide a selected water capacity comparable to the thickness of the users beard.
  • another object of the present invention is to provide a method for shaving using the above mentioned attachment for disposable razors wherein separately applied lubricant is not wicked from the user's face by the shaving foam.
  • a rectangular dispenser having means for detachably and reattachably connecting the dispenser reservoir between a razor handle and a disposable blade carrying head such that one or more reservoir openings (i.e., flow through areas) defined in a selected face of the dispenser are adjacent to the disposable head and the razor blades carried thereby.
  • the open side of the reservoir is in direct communication with the flow areas defined within the razor head and when the disposable head and dispenser are held beneath a flowing faucet, the water passes easily through the razor head to fill the reservoir.
  • the user of the present invention places the disposable head against his face to urge the blades thereacross, water in predetermined quantity flows from the reservoir through the areas of the blade head and onto the blades and user's face adjacent thereto.
  • the present invention does not require a pump created by the fluttering of the razor blades for pumping the water from the reservoir through the head and across the blades to the face as does Harrison Sr. That is, pumping liquid through a very small capillary size weep hole is a different concept altogether than in the present invention's concept of placing control of the surface tension effect in the hands of the shaver so that flow can be regulated. Refill of the reservoirs with hot water by merely holding the razor under a running faucet (as foam is washed off) is a new concept.
  • the present invention is much more simplistic and a great improvement over the teachings of Harrison Sr. in that cumbersome refilling of a reservoir is eliminated and hot water is provided by the refilling process.
  • the method for shaving using the present invention requires applying a quick drying lubricant onto the user's face and allowing the lubricant to quickly dry into a film. This is accomplished by placing a small amount of liquid lubricant in the palm of one hand whereupon it is thinly spread by the fingers of the other hand, or by some similar natural action. The film forms almost instantly. Maximum lubrication is therefore provided in place.
  • shaving foam is applied to the film of dried lubricant for the reasons set forth above. It is very important to note that since the lubricant is already dry, the dry shaving foam cannot dilute, or wick the lubricant from the user's face.
  • the reservoir is then filled under the running faucet with a predetermined temperature of water and is stroked across the user's face. The reservoir is refilled as the foam is rinsed from the razor. Water flowing through the separated flow-through areas of the blade head will instantly super-saturate the foam and activate the dried lubricant film. Activation of the undiluted lubricant by the super-saturated foam is continuous through the stroke. Super-saturation of the foam through-out the stroke is provided by the water from the reservoir.
  • the amount of water which flows from the reservoir is directly proportionate to the cross-sectional area of the water compartments in the reservoir.
  • a large rectangular compartment may be provided which accommodates a rapid discharge of the water almost simultaneously with the placement of the razor against the user's face.
  • a slight tilt of the razor to one side causes an accumulation of water in the corner of each small rectangular compartment so that gravity breaks the surface tension, and causes water to flow out across the blade face.
  • a tilt in the other direction during the stroke releases the remainder of water.
  • Tilting the small and rectangular reservoirs concentrates a greater weight of the contained water against a smaller area of surface tension which ruptures it and permits the water to flow. Thus, the user is able to enjoy complete control of the water flow, which creates instant lubrication.
  • rectangular portals and/or small weep holes may be provided which allow the water to seep continuously from the reservoir during the entirety of the stroke.
  • FIG. 1 is an exploded perspective view showing a razor handle, a disposable blade carrying head and my detachable reservoir;
  • FIG. 2 is a sectional view showing the handle, reservoir and blade carrying head in use
  • FIG. 3 is a sectional view of the reservoir configured to contain a minimum volume of water
  • FIG. 4 is a sectional view of the reservoir configured to contain a moderate volume of water
  • FIG. 5 is a sectional view of the reservoir configured to contain a maximum volume of water
  • FIG. 6 is a perspective view of a second embodiment of my invention.
  • FIG. 7 is a sectional view taken along line 7-7 of FIG. 6;
  • FIG. 8 is a sectional view taken along line 8-8 of FIG. 6;
  • FIG. 9 is a perspective view of a third embodiment of my invention.
  • FIG. 10 is a sectional view taken along line 10-10 of FIG. 9;
  • FIG. 11 is a sectional view taken along line 11-11 of FIG. 9;
  • FIG. 12 is a perspective view of a fourth embodiment of my invention.
  • FIG. 13 is a sectional view taken along line 13-13 of FIG. 12;
  • FIG. 14 is a sectional view taken along line 14-14 of FIG. 12;
  • FIG. 15 is an exploded perspective view of a fifth embodiment of my invention.
  • FIG. 16 is a sectional view taken along line 16-16 of FIG. 15.
  • a first embodiment of the present invention contemplates the use of an elongated water dispenser 11 that defines a substantially rectangular reservoir 12 therein.
  • the dispenser 11 has a rectangular bottom 13 with two vertically extending ends 14 integrally connected to the bottom 13 in perpendicular relation thereto, a first side 15 integrally connected to the ends 14 and bottom 13 in normal relation thereto, and a second side 16 integrally connected to the bottom 13 and ends 14 in normal relation 6/05950 PO7US95/01208
  • Bottom 13 and sides 15 and 16 have a pair of opposing channel members 17 integrally connected thereto in longitudinal extension thereon for slidably engaging a pair of flange members 18 which form a portion of a razor handle 19.
  • Such attachment members 18 are commonly found on many razor handles 19 and are typically engaged by channel members 20 connected to a disposable blade carrying head 21 for detachably and reattachably securing the head 21 to the handle 19.
  • the dispenser 11 is connected to the razor handle 19
  • the head 21 is connected to the dispenser 11 opposite the razor handle 19 such that the dispenser 11 is intermediate handle 19 and head 21.
  • the channel members 20 detachably and reattachably engage a pair of opposing flange members 22 forming a forward face 23 of dispenser 11 in longitudinal extension thereon.
  • the dispenser 11 defines an enlarged rectangular opening 24 which is connected to and in communication with the reservoir 12.
  • the opening 24 extends longitudinally on the dispenser 11 adjacent to head 21 and one or more flow through areas in the head 21 that lead to the blades 26 carried thereby.
  • the present invention is used in conjunction with a lubricant 31 and shaving foam or gel 27.
  • the method described herein for using the naturally quite dry foam 27 and lubricant 31 is necessary to insure optimum efficiency of the aforedescribed razor and reservoir combination.
  • the lubricant 31 Prior to shaving, the lubricant 31 is applied to the user's dry face 28 and allowed to quickly dry into a film 29. After the lubricant 31 has dried, shaving foam 27 is applied to the film 29. Allowing the lubricant 31 to dry before applying the shaving foam 27 prevents the shaving foam 27, which must be comparatively dry in order to hold its shape, from wicking the lubricant 31 from the user's face 28.
  • the head 21 and dispenser 11 may be held beneath a running faucet (not shown) wherein the reservoir 12 is filled through opening 24.
  • the head 21 is placed against the user's face 28 and the razor handle 19 and dispenser 11 are tilted such that water in the reservoir 12 flows therefrom and onto blades 26.
  • the water moves from the blades 26 and onto the user's face 28 adjacent the blades 26 to saturate the foam 27 and rehydrate the film 29 of lubricant 31 proximal thereto.
  • the razor head 21 and blades 26 are urged across the rehydrated lubricant 31 which prevents abrasion of the user's face 28. Since the lubricant 31 is hydrated just before the razor head 21 and blades 26 pass thereover, the comparatively dry shaving foam 27 is unable to wick the lubricant 31 from the user's face 28 before the passage of the head 21 and blades 26 thereover.
  • the large rectangular opening 24 of the first embodiment facilitates a rapid discharge of the water from the reservoir 12 such that a predominant portion of the water is discharged at the beginning of the stroke.
  • a user may prefer a particular volume of water discharged at the beginning of the stroke and, accordingly, the depth of the reservoir 12 (indicated as A) may vary from shallow to deep as shown in FIGS. 3-5, respectively.
  • a second embodiment of the invention is shown in FIGS. 6-8, wherein the reservoir 12 is divided by one or more interior walls 32 into a plurality of compartments 33.
  • the interior walls 32 extend normal to the longitudinal extension of the reservoir 12 and in coplanar relation to associated parallel divider walls 34 , FIG. 7, which are typically formed in the blade carrying head 21 for supporting blades 26.
  • FIGS. 9-11 A third embodiment of the present invention is shown in FIGS. 9-11 and, in addition to the interior walls 32, has a plurality of lower baffles 36 integrally connected to the interior walls 32 for reducing the flow of water from the reservoir 12.
  • the lower baffles 36 extend adjacent to the second side 16 to partially define the forward face 23.
  • the lower baffles 36 and walls 32 define a plurality of primary portals 37 through which water is dispersed from the reservoir 12. Weep holes 38 are defined by the lower baffles 36 to provide additional controlled flow.
  • the dispenser 11 By reducing the initial flow of water from the reservoir 12, the dispenser 11 will provide a continuous stream of water during the entirety of a razor stroke. Initially, water will flow rapidly through the primary openings 37. This rapid initial flow is necessary to quickly convey some of the water from the reservoir 12 to the foam 27 and lubricant film 29 prior to or simultaneous to the urging of the blade head 21 across the user's face 28. A predominate portion of the water, however, will flow through the weep holes 38 even though the weep holes 38 provide only a minimal flow area relative to the primary opening 37.
  • FIGS. 12-14 A fourth embodiment of the present invention is shown in FIGS. 12-14 and includes the interior walls 32 previously described and a plurality of vertical baffles 39 integrally connected to the interior walls 32 for restricting the flow of water from the reservoir 12.
  • the vertical baffles 39 define a plurality of vertical flow ports 41 which extend between sides 15 and 16 of the dispenser 11.
  • the fourth embodiment provides a positive retainment of water when the dispenser 11 is tilted in one direction, releasing only the water held behind an elevated baffle 39a in the compartment. When the razor is tilted in the opposite direction, the remaining water, previously contained by the opposite baffle 39b, is released. This design enhances the control which the user exercises over the discharge of water during the shaving stroke.
  • the second, third and fourth embodiments are available in variable volume capacities, as represented in FIGS. 3, 4 and 5.
  • FIGS. 15 and 16 A fifth embodiment of the present invention is shown in FIGS. 15 and 16, whereby the handle 19 has a planar face 30.
  • the planar face 30 replaces bottom 13 which has been eliminated from dispenser 11 to facilitate easier manufacture thereof. It should be apparent that the present invention also contemplates the razor handle 18, dispenser 11 and head 21 being integrally connected and disposable as a single unit.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

Appareil et procédé améliorés de rasage. Ledit appareil comporte un distributeur rectangulaire (11) relié amovible à une poignée (19) de rasoir et à une tête (21) jetable portant une lame. Ledit distributeur (11) comporte un réservoir (12) pouvant être divisé en compartiments ouverts qui sont en communication directe avec des conduits séparés situés dans la tête de lame et s'étendant de manière adjacente aux lames (26) portées par la tête jetable. La présente invention concerne également un procédé spécialement adapté à l'utilisation de l'appareil de rasage susmentionné, qui consiste à appliquer sur le visage de l'utilisateur un lubrifiant hydrosoluble, à permettre à ce lubrifiant de sécher pour former un film, à appliquer une mousse de rasage sur le film, à maintenir le rasoir et le réservoir sous un robinet ouvert pour remplir ce dernier, et à faire glisser les lames sur le visage de l'utilisateur. Lorsque les lames sont placées contre le visage de l'utilisateur, l'eau coule du réservoir sur les lames et sur la partie adjacente du visage pour réactiver le lubrifiant juste avant le passage des lames.
PCT/US1995/001208 1994-08-19 1995-01-30 Appareil et procede de rasage Ceased WO1996005950A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18689/95A AU1868995A (en) 1994-08-19 1995-01-30 Apparatus and method for shaving

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,130,513 1994-08-19
CA 2130513 CA2130513A1 (fr) 1994-08-19 1994-08-19 Appareil et methode de rasage

Publications (1)

Publication Number Publication Date
WO1996005950A1 true WO1996005950A1 (fr) 1996-02-29

Family

ID=4154198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/001208 Ceased WO1996005950A1 (fr) 1994-08-19 1995-01-30 Appareil et procede de rasage

Country Status (3)

Country Link
AU (1) AU1868995A (fr)
CA (1) CA2130513A1 (fr)
WO (1) WO1996005950A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2412862A (en) * 2004-04-08 2005-10-12 Reckitt Benckiser Depilatory tool with removable head
WO2025020323A1 (fr) * 2023-07-26 2025-01-30 亢应祥 Rasoir manuel ayant une crème de rasage liquide

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238882A (en) * 1979-09-26 1980-12-16 Harrison Jack R Sr Reservoir safety razor
US4247982A (en) * 1979-04-02 1981-02-03 Warner-Lambert Company Skin-flow control razor
US4395822A (en) * 1981-10-05 1983-08-02 Warner-Lambert Company Twin blade cartridge with purging fin and cooperating slidable cover cap
US4850107A (en) * 1988-10-04 1989-07-25 Valliades John F Razor assembly
US4984364A (en) * 1989-06-06 1991-01-15 Simmons Richmond R Disposable refrigerated safety razor head
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
US5134775A (en) * 1989-09-21 1992-08-04 Wilkinson Sword Gesellschaft Mit Beschrankter Haftung Shaver head with dispenser

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247982A (en) * 1979-04-02 1981-02-03 Warner-Lambert Company Skin-flow control razor
US4238882A (en) * 1979-09-26 1980-12-16 Harrison Jack R Sr Reservoir safety razor
US4395822A (en) * 1981-10-05 1983-08-02 Warner-Lambert Company Twin blade cartridge with purging fin and cooperating slidable cover cap
US4850107A (en) * 1988-10-04 1989-07-25 Valliades John F Razor assembly
US4984364A (en) * 1989-06-06 1991-01-15 Simmons Richmond R Disposable refrigerated safety razor head
US5134775A (en) * 1989-09-21 1992-08-04 Wilkinson Sword Gesellschaft Mit Beschrankter Haftung Shaver head with dispenser
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2412862A (en) * 2004-04-08 2005-10-12 Reckitt Benckiser Depilatory tool with removable head
WO2025020323A1 (fr) * 2023-07-26 2025-01-30 亢应祥 Rasoir manuel ayant une crème de rasage liquide

Also Published As

Publication number Publication date
AU1868995A (en) 1996-03-14
CA2130513A1 (fr) 1996-02-20

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