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| Number | Title | Issue Date |
| 8011104 | Cutting members for shaving razors Cutting members for razors are provided that have been subjected to a localized heat-treating process, e.g., application of laser energy. In some cases, the cutting members include a bent portion, and the localized heat-treating process is used to enhance ductility ... | 09/06/2011 |
| 7197825 | Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe... | 04/03/2007 |
| 7191523 | Safety razor A safety razor with a plurality of blades comprising a head provided with a plurality of vertically adjacent blades, which do not wholly overlap one another, and blade support parts supporting the respective blades apart from one another in order to retain the respe... | 03/20/2007 |
| 7111401 | Razor head having skin controlling means A detachable razor cartridge has blade seat and at least one blade having a rectilinear cutting edge. An in-line row of integral guard elements project in cantilever position from the blade seat and extend in spaced relation to and beyond the cutting edge of the bla... | 09/26/2006 |
| 7107684 | Blade sharpening for electric shavers Apparatus, kits, and methods for sharpening electric shavers having rotary and reciprocating-type cutting members are disclosed. A sharpening apparatus in accordance with an exemplary embodiment of the present invention may include an applicator tray or other applic... | 09/19/2006 |
| 7047646 | Wet shaving cartridge with four blade edges A razor cartridge is provided that includes a frame, at least four razor blades, a guard that includes a contact surface, and a cap that includes a contact surface. The razor blades are supported by the frame. The guard is disposed forward of the razor blades and th... | 05/23/2006 |
| 7037175 | Method of sharpening cutting edges The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising particles of an abrasive, and a l... | 05/02/2006 |
| 7007393 | Microreplicated shaving element In a microreplicated shaving element the substrate includes a plurality of microshaving elements projecting outwardly from a surface defined by the substrate. Each microshaving element defines a cutting edge spaced away from the surface and a plurality of guard elem... | 03/07/2006 |
| 6962000 | Cutting member with dual profile tip The invention relates to a cutting member (7) includes a plate-shaped substrate (19) on which a tip (27) is provided which is bounded by a cutting edge (9). According to the invention, the tip includes an ultimate tip (31) and a ba... | 11/08/2005 |
| 6655030 | Shaving head and shaver provided with such a shaving head The invention relates to a shaving head (1) having at least two cutting members, the cutting edge (7)of at least one of the cutting members (5) being situated at a side, remote from the other cutting member (9), of an imaginary center plane (41) of the ca... | 12/02/2003 |
| 6276061 | Multi-blade shaving apparatus A multi-blade shaving apparatus includes a handle holding a head body in which are located the shaving blades, advantageously three, extending parallel to each other. Furthermore, at least an additional blade (trim blade) is located at a suitable angle, p... | 08/21/2001 |
| 6216349 | Safety razors A safety razor blade unit including a guard, a cap, and a group of first, second, and third blades with parallel sharpened edges located between the guard and cap, the blades being resiliently movably mounted and having an at rest condition in which the f... | 04/17/2001 |
| 6035537 | Razor cartridge with metal clip retaining blades A razor cartridge including a housing, blades mounted on said housing, and a metallic retaining clip that wraps around the housing and retains the blades on the housing, the housing including fulcrum portions extending outward beyond adjacent surface port... | 03/14/2000 |
| 5985459 | Method of treating razor blade cutting edges The present invention relates to razor blade cutting edges which exhibit an improvement in the first shave. Conventional razor blade cutting edges exhibit surprisingly high initial cutting forces. Razor blades produced according to the present process exh... | 11/16/1999 |
| 5802720 | Shaving cloth A razor consisting of a flexible cloth-like base material upon which are mounted a plurality of cutting heads. Each head is attached to the base material so as to be flexible in orientation. A preferred head embodiment includes a flat metal structure havi... | 09/08/1998 |
| 5715606 | Razor blade Razor blades for use in shavers and especially in cartridge type razor blade units. Opposite the cutting edge of an essentially rectangular blade, and integral with this blade, there are provided one or more springy, resilient protrusions, in the plane of... | 02/10/1998 |
| 5674234 | Flexible surgical razor A flexible surgical razor for removing organic tissue, such as lesions, moles, corns and the like, at or below the skin's surface. The surgical razor utilizes a flexible blade with a well-honed front edge and left and right gripping extensions formed atta... | 10/07/1997 |
| 5628759 | Flexible surgical razor A flexible surgical razor for removing organic tissue, such as lesions, moles, corns and the like, at or below the skin's surface. The surgical razor utilizes a flexible blade with a well-honed front edge and left and right gripping extensions formed atta... | 05/13/1997 |
| 5624451 | Flexible blade for removing skin lesions A digitally flexible surgical blade suitable for tangential excision of skin lesions and unusual skin colorations wherein the blade comprises a flexible, one-piece, flat body having lobes projecting frontally from the body to shield the user's fingers fro... | 04/29/1997 |
| 5524347 | Movable blade shaving cartridge A movable blade cartridge including a platform member having a blade seat and a guard member. The guard member is located of forward and parallel to the blade seat so as to form a longitudinal slot between the blade seat and the guard member. A primary bl... | 06/11/1996 |
| 5524346 | Shaving cartridge for wet razors According to the invention, the blade holder has a skin contact surface which is curved in a concave fashion in the moving direction of the razor. This design causes the skin to be curved in accordance with the contact surface while shaving thus achieving... | 06/11/1996 |
| 5501014 | Safety razor cartridge with pass-through apertures and process of making A shaving cartridge including spaced-apart first and second razor blades each having an elongated edge formed thereon for cutting and shaving whiskers and hair, a container for retaining the blades therein and presenting the cutting edges at an angle for ... | 03/26/1996 |
| 5263256 | Method of treating razor blade cutting edges The present invention relates to an improved method of forming a polyfluorocarbon coating on a razor blade cutting edge comprising the steps of subjecting a fluorocarbon polymer having a molecular weight of at least about 1,000,000 to ionizing radiation t... | 11/23/1993 |
| 5090124 | Razor blade unit A razor blade unit includes a support member and at least one razor blade secured to the support member with a cutting edge extending from the support member. A wire is wrapped around at least a portion of the support member and the cutting edge of the ra... | 02/25/1992 |
| 4979298 | Shaving system A shaving system of the wet shave type includes a support member that has a skin engaging surface in which a plurality of spaced apertures are defined. A blade unit has a generally tubular upstanding body portion of predetermined height that defines a cen... | 12/25/1990 |
| 4979300 | Cutting and scraping tool using razor blades A cutting and scraping tool has a molded, one piece body having a first portion to be held by one hand of the user and an integral blade receiving and holding portion. The blade receiving portion has a first wall which is thinner than the first portion an... | 12/25/1990 |
| 4943295 | Surgical cutting tool A surgical cutting tool which may be used in cutting away protruberances from the skin of an individual includes a thin flexible blade including two side margins and a front margin which is keen-edged, and two finger grips which each include an engagement... | 07/24/1990 |
| 4932122 | Safety razor blade assembly A razor blade assembly is provided having a molded plastic body member with a guard member mounted thereon. The body member comprises wall structure defining a pair of slots for receiving a blade means, and forming a support means on which the blade means... | 06/12/1990 |
| 4860452 | Single edge razor blade with integral back This invention relates to razor blades and more particularly to a single edged blade for shaving or scraping. The blades are reinforced in various ways to make them stiff enough for scraping.... | 08/29/1989 |
| 4858323 | Integrally backed single-edge razor blade An integrally backed single-edge razor blade has a plurality of projections struck from a margin of the blade remote from its cutting edge. The struck portions reinforce the blade and afford a blade edge remote from the cutting edge having a thickness gre... | 08/22/1989 |
| 4807360 | Shaving device A plurality of individual thin-walled generally disk-shaped blades are resiliently mounted in an elastomeric pad. The elastomeric pad, with its individually mounted blades, is disposed over a flexible sponge-like member. The shaving device is flexible and... | 02/28/1989 |
| 4806430 | Film-forming silicone compositions having lubricating properties A film-forming siloxane composition having excellent adherent and lubricating properties comprising a reactive component having a combination of three siloxane polymers chemically crosslinked, and a non-reactive component dispersed therein. Substrates are... | 02/21/1989 |
| 4729168 | Two-edged multi-purpose artistic technical knife An artistic technical knife which has a double-edged blade having a sharpened point at its terminus and a number of frangible recesses extending at oblique angles from one edge of the blade to the opposite side of the blade to divide the blade into a numb... | 03/08/1988 |
| 4720918 | Razor blades A razor blade edge tip has a cross-sectional shape defined, over up to 40 μm from the extreme edge by the equation w=adn, in which w is the tip chord thickness in μm at a distance d from the extreme edge; a is factor of proportionality not gr... | 01/26/1988 |
| 4720917 | Flexible blade contour razor A flexible blade contour razor system is provided for shaving rounded or variably contoured shaving surfaces. The system includes a long, flexible blade carried by a plurality of blade-holder housings. Said blade-holder housings are connected by connectin... | 01/26/1988 |
| 4702004 | Glass razor blade and handle A razor (10, 10') is formed entirely of an inexpensive glass material. In one embodiment the razor (10) is formed as a single piece of material which includes a handle portion (14), a blade portion (16) and an arcuate intermediate portion (18) interconnec... | 10/27/1987 |
| 4459744 | Razor blade apparatus and method A razor blade arrangement is provided, wherein the razor blade is supported for movement between concave and convex configurations. The razor blade is mounted in a cartridge which holds the blade flexed in convex configuration. The blade is so mounted in ... | 07/17/1984 |
| 4413410 | Electric shaver with rotary blade A rotary type electric shaver, having an inner cutter and a shaving head mounted thereover; the inner cutter including a rotatable base having receiving slits radially about its axis of rotation; the inner cutter also including a cutter blade inserted in ... | 11/08/1983 |
| 4389773 | Shaving implement A shaving implement comprising a platform member having a slot therein and a support surface adjacent the slot, a blade member having first and second portions generally normal to each other, the first portion having a cutting edge thereon, and a cap memb... | 06/28/1983 |
| 4201599 | Restoration and protection of cutting surfaces A method of restoring and/or protecting a cutting surface so that it has an increased effective life comprises applying to the cutting surface a chlorhexidine compound dispersed or dissolved in a carrier therefor. Novel compositions for use for this purpo... | 05/06/1980 |
