Class 30/346.58 - Composite razor blade

Subclass of Class 30 - Cutlery
Definition: Device constructed of a plurality of distinguishable elements.
No. of patents: 33
Last issue date: 04/08/2008

Number	Title	Issue Date
7353606	Hair cutting and styling razor A razor cutter for hair using a blade having one or two accordion shaped cutting edges to allow a feathered cut of hair strands at different points when the cutting edge of the blade contacts hair. Each cutting edge is made up of a plurality of smaller edge sections...	04/08/2008
7243428	Hair brush and replaceable cutting unit for hair brush The object of the present invention is to provide a hair brush that can be used for cutting the hair so that no skills and knack are required for adjusting the inclination angle of bristles and cutters with respect to the scalp. In a hair brush in which multiple the...	07/17/2007
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
7060367	Cutting blade and method of producing the same A blade with improved sharpness and durability is disclosed. The blade includes a base plate having an edge and a coating layer for coating the edge. The coating layer is formed of a material handling metal, and a tip of the coating layer is sharpened. It is preferr...	06/13/2006
6490794	Disposable tamper resistant razor A disposable shaving razor comprising a plurality of small blades secured in coplanar relation with one another and forming a continuous edge. The blades are supported in coplanar relation by first and second grips positioned on opposite sides of the blad...	12/10/2002
6237444	Safety razor blade tool A safety razor blade tool comprises a substantially rectangular, single-edged safety razor blade having a cutting edge and an opposing non-cutting edge and a thermoplastic protective cover fixedly attached to the non-cutting edge. The protective cover is ...	05/29/2001
5943781	Safety razor blade tool A safety razor blade tool comprises a substantially rectangular, single-edged safety razor blade having a cutting edge and an opposing non-cutting edge and a thermoplastic protective cover fixedly attached to the non-cutting edge. The protective cover is ...	08/31/1999
5771589	Safety razor blade tool A safety razor blade tool includes a substantially rectangular safety razor blade having a cutting edge and an opposing non-cutting edge, and a rubberized thermoplastic protective cover fixedly attached to the non-cutting edge. The protective cover has an...	06/30/1998
5526567	Shaving system A shaving system includes a platform member with a support surface that has a plurality of apertures therein and guard structure integral therewith and disposed forwardly of the support surface, a cap member with a plurality of post elements for dispositi...	06/18/1996
5236439	Razor cartridge with improved rinsability A rinsable twin bladed shaving cartridge is attachable to a handle and includes a support having an upper platform on which a cap blade is mounted and a lower platform on which a seat blade is mounted. At least one post connects the upper platform to the ...	08/17/1993
4916814	Wet-shave razor A wet shave turret razor assembly includes a razor head and single or double blades. The razor head is mounted at the front end of a handle. Several blades are uniformly mounted along the periphery of a blade holder. The blade holder is attached to the ra...	04/17/1990
4914817	Razor head with riblets A safety razor head comprising a guard surface and a cap surface is provided with a plurality of parallel riblets disposed on the head for contact with the surface being shaved, during use of the razor. The riblets may be disposed on the cap surface or on...	04/10/1990
4866844	Razor head assembly According to this invention a means of staking is provided in which a portion of the stake near the bottom is subjected to shearing and cold-forming to form a skirt. The skirt provides a locking assembly for the component parts of the razor head without c...	09/19/1989
4751780	Cutter block for dry shaving apparatus The invention is directed to a cutter block for a dry shaving apparatus, having cutter blades of circular circumference arranged transversely to its longitudinal axis on a carrier, the cutter blades being received by a cylindrical metal-plastic carrier co...	06/21/1988
4679324	Safety razor blades In a razor blade unit having a blade (or blades) secured to a carrier, the carrier includes a protecting bar for protecting the blade edge and which bar is removable by breaking frangible connecting fingers linking the bar with a portion of the carrier mo...	07/14/1987
4562645	Razor cartridge and method of manufacture A plastic cartridge body having an elongated slot for receiving a U-shaped blade having two cutting edges where the blade is fabricated in continuous chain-like fashion, shaped, separated into individual blades, and inserted into the body slot....	01/07/1986
4551916	Razor blade assembly A razor blade assembly comprising a blade disposed between skin engaging elements adapted in operation to engage a surface being shaved ahead and behind, respectively, of the blade, the blade being movable relative to the elements in response to forces en...	11/12/1985
4534110	Triple-edge safety razor and blade A triple-edge safety razor in which no portions thereof are disconnected during use. The razor employs a novel blade assembly wherein three individual strip blades are interconnected by a flexible central web affording hinged connections therebetween. A n...	08/13/1985
4516321	Safety razors A tandem blade unit for use in a safety razor comprises a pair of wire-supported blades (i.e. narrow blade strips secured directly to elongate, wire-like support members) and optionally, additional wire like cap and guard members, held together to form a ...	05/14/1985
4485554	Double blade razor head with three elements molded in continuous manner The razor head includes at least three parts made of plastics and connected with one another in a continuous manner along flexible zones, two blades being positioned between these parts and engaging them when said parts are turned over one upon the other ...	12/04/1984
4302876	Razor blade with inclined edge A tandem edge razor blade cartridge has two blades with edge portions bearing cutting edges that are in a spaced-apart, parallel relationship. One of the blades has a major portion, behind the edge portion, bent at a substantial angle to the edge portion,...	12/01/1981
4275498	Safety razor blade cartridge A razor blade cartridge pivotally mounted in a razor has a sheet-like blade holder with a slot having upper and lower inner inclined walls to one or both of which a single or twin blades are respectively secured by adhesive. A second slot is provided on t...	06/30/1981
4252837	Blade shields A razor blade having vacuum deposited structural elements guarding its cutting edge. A plurality of ion plated structural elements are deposited over the blade edge and extending down the edge facets a certain distance. The spacing and extension of the el...	02/24/1981
4208791	Arcuate razor head An arcuate razor head is shaped to conform to convex and concave body surfaces. Cutting edges are emplaced in inclined arcuate surfaces, one above the other. The inclined surfaces guide the cutting edges at an efficient cutting angle as the razor head is ...	06/24/1980
4168571	Shaving unit A shaving unit comprising a frame, a blade member supported by the frame, first and second skin engaging elements supported by the frame and disposed respectively, in use of the unit, forwardly and rearwardly of the blade member, the first and second skin...	09/25/1979
4094066	Surgical razor blade with integral guard A surgical razor blade intended for one time use in shaving hair has an integral guard in the form of spiral windings of a fine flexible thread with the windings extending in uniformly spaced fashion around the blade cutting edge. The thread has a diamete...	06/13/1978
4069580	Safety razor with flexible blade cartridge A razor blade assembly which is flexible in at least one bending mode. A seat member of substantially planar shape has an integrally formed guard located transversely along its forward margin. The guard and seat members are formed of a flexible material. ...	01/24/1978
4063357	Safety razors A shaving unit comprises a narrow single edged blade strip and a frame having a support portion having a flat surface to which the blade is permanently secured over its full length....	12/20/1977
4031620	Shaving system A disposable blade unit for a safety razor comprises a thin, transversely flexible blade which is apertured along its longitudinal center line and has its two longitudinal edges parallel and sharpened to cutting edges. A pair of blade strips each having a...	06/28/1977
4011071	Method of making glass shaving instrument A glass blade is produced from a preform of insoluble glass having a sharp edge encased in soluble glass. The encased preform is heated and drawn to the reduced cross-sectional size desired of the glass blade, cut transversely to length and leached for re...	03/08/1977
3952413	Shaving unit for safety razor The specific disclosure provides a shaving unit having two flexible double edge razor blades with the cutting edges of the top blade being set back a slight distance from the cutting edges of the bottom blade. Each one of the blades has a pair of transver...	04/27/1976
3953186	Industrial process for the production of glass razor blades The industrial process hereinafter described begins with molten glass in which is imbedded a mesh for shatter-resistance, and is then extruded, cooled, and scribed in the size and shape of an injector-style razor blade. The scribed extrusion is inspected ...	04/27/1976
3940853	Shaving unit with blade tensioning means A razor blade unit in the form of an elongated blade member, at least one long edge of which is constituted by a cutting edge, and means engaged with the blade member and in compression to strain the ends of the blade member apart....	03/02/1976

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Class 30/346.58 - Composite razor blade