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Class 30/346.54 - Including metallurgical characteristic


Subclass of Class 30 - Cutlery
Definition: Device characterized by internal characteristics of the
No. of patents: 56
Last issue date: 09/15/2009


1    
NumberTitleIssue Date
7587829Ceramic blade and production method therefor
A blade of ceramic material is treated to enhance the strength and sharpness of the cutting edge. In one embodiment, ceramic particles along at least one margin of an edge-forming face are fused, such as by a laser treatment. The edge margin can have a hard ceramic ...
09/15/2009
7357052Zirconia based blades and foils for razors and a method for producing same
Stabilized or partially stabilized zirconia paste may be screen printed onto hydrophilic plastic film in the form of a mesh. On firing, this becomes a very sharp foil for electric razors with excellent wear and flexibility characteristics. Stabilized or partially st...
04/15/2008
7294404Graded photocatalytic coatings
The invention provides graded photocatalytic coatings. In one aspect, the invention provides a substrate carrying a photocatalytic coating that includes a first graded film region and a second graded film region. The first graded film region has a substantially cont...
11/13/2007
7287468Nickel alloy plated structure
A structure and associated methods of formation. The structure includes a layered configuration comprising a copper layer, a first layer, and a second layer. The copper layer consists essentially of copper. The first and second layers are disposed on opposite sides ...
10/30/2007
7284461Colored razor blades
Colored razor blades are provided. Methods for manufacturing such blades are also provided, including methods involving subjecting a blade material to a hardening process; and, during the hardening process, oxidizing the blade material to form an oxide layer on the ...
10/23/2007
7235211Rotary cone bit with functionally-engineered composite inserts
A rotary cone bit, having a functionally-engineered surface of this invention, comprises a bit body having at least one leg extending therefrom, and a cone that is rotatably disposed on the leg. The cone typically comprises a plurality of cutting elements that proje...
06/26/2007
7166561Lubricant-carrying substrate for maintenance of paper shredders
Paper shredders are maintained using lubrication substrates that have been treated with or that carry a lubricant. The lubrication substrate is fed through the shredding mechanism of a paper shredder. Rather than requiring disassembly of the paper shredder, maintena...
01/23/2007
7155831Ceramic cutting tool
A ceramic cutting tool (100) is for high speed cutting of light, thin and soft materials. The ceramic cutting tool includes an upper blade (10) and a lower blade (20) both made of ceramic material. The upper and lower blades therefore possess ex...
01/02/2007
7152526Surface treated doctor blade
Disclosed is a surface treated doctor blade in which the surface of at least the blade edge portion thereof consists of a surface treatment coating film composed of a first layer consisting of a specific nickel-based plating and a second layer provided thereon which...
12/26/2006
7140113Ceramic blade and production method therefor
A blade of ceramic material is treated to enhance the strength and sharpness of the cutting edge. In one embodiment, ceramic particles along at least one margin of an edge-forming face are fused, such as by a laser treatment. The edge mardin can have a hard ceramic ...
11/28/2006
7060081Microkeratome blade with arbitrary blade angle
A cutting blade (56) having a cutting edge (80) defined by an intersection of a first cutting edge surface (72) and a second cutting edge surface (66) is disclosed. The angle between the first cutting edge surface (72) and the seco...
06/13/2006
7060367Cutting 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
7003886Inner cutter unit and outer cutter unit for an electric shaver
An electric rotary or reciprocating shaver including an inner cutter unit, with which inner cutter blades that make a sliding contact with the blade surface of an outer cutter, being provided with recesses that is filled with a synthetic resin. The outer cutter of a...
02/28/2006
6993818Multi-fixture assembly of cutting tools
Multiple cutting blades (56) are fabricated from a wafer (130). This wafer (130) is disposed on a blade handle mounting fixture (224) such that a blade handle (24) maybe mounted on each of the individual blades (56). A cutti...
02/07/2006
6964731Soil-resistant coating for glass surfaces
A glass article which has a water-sheeting coating and a method of applying coatings to opposed sides of a substrate are described. In one embodiment, a glass sheet is provided bearing a sputtered water-sheeting coating comprising silica on an exterior surface and b...
11/15/2005
6962000Cutting 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
6951056Electric razor inner blade unit
An inner cutter for a dry shaver has a plurality of blades 30 supported on a base 20 and is driven in hair-shearing engagement with an outer cutter 10 for cutting the hairs. The blades 30 are arranged in parallel with each other and are e...
10/04/2005
6939446Soil-resistant coating for glass surfaces
A glass article which has a water-sheeting coating and a method of applying coatings to opposed sides of a substrate are described. In one embodiment, a water-sheeting coating 20 comprising silica is sputtered directly onto an exterior surface of the glass. T...
09/06/2005
6936297Siliconized surgical needles and methods for their manufacture
A siliconized surgical needle is provided which requires significantly less force to effect tissue penetration than a standard siliconized needle. ...
08/30/2005
6935618Valve component with multiple surface layers
A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ...
08/30/2005
6887586Sharp-edged cutting tools
Sharp-edged cutting tools and a method of manufacturing sharp-edged cutting tools wherein at least a portion of the sharp-edged cutting tool is formed from a bulk amorphous alloy material are provided. ...
05/03/2005
6817103Bonded layer protection structure for wear resistant component
A bonded layer protection structure of a wear resistant component, comprising a wear resistant component such as a cutting tool constructed by bonding a wear resistant member such as a cutting portion to a main body portion such as a base metal by an adhesive. In th...
11/16/2004
6763593Razor blade material and a razor blade
Provided is a razor blade material which has excellent high hardness, high strength and high corrosion resistance. The material is made of an Fe-base alloy containing, by mass %, not less than 0.5% carbon, 9.0 to 14.0% Cr and from more than zero to 8.0% Mo, wherein ...
07/20/2004
6684513Razor blade technology
A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer laye...
02/03/2004
6389699Self sharpening blades and method for making same
In a self-sharpening blade having a cutting edge, the combination comprising a layered structure, the structure including a relatively harder first layer with relatively higher wear resistance extending to the blade cutting edge, and the structure also in...
05/21/2002
6330750Scapel blade having high sharpness and toughness
A scalpel blade is made by depositing a coating onto a tapered region of a substrate which is tapered with an included angle of from about 10 to about 25 degrees to an edge. The substrate is made of surgical-grade stainless steel hardened to a Rockwell C ...
12/18/2001
6327784Method of manufacturing a cutting member having an auxiliary layer
The invention relates to a method of manufacturing a cutting member (3). According to the method, a single side 9 of a carrier 1 of the cutting member is provided with an auxiliary layer (11). The carrier is provided with a cutting edge (7) by means of an...
12/11/2001
6156435Chemical vapor deposition of fluorocarbon polymer thin films
Provided are methods for forming a fluorocarbon polymer thin film on the surface of a structure. In one method, a monomer gas is exposed to a source of heat having a temperature sufficient to pyrolyze the monomer gas and produce a source of reactive CF
12/05/2000
6105261Self sharpening blades and method for making same
In a self-sharpening blade having a cutting edge, the combination comprising a layered structure, the structure including a relatively harder first layer with relatively higher wear resistance extending to the blade cutting edge, and the structure also in...
08/22/2000
5992268Amorphous diamond coating of blades
Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coa...
11/30/1999
5985459Method 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
5940975Amorphous diamond coating of blades
Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coa...
08/24/1999
5799549Amorphous diamond coating of blades
Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coa...
09/01/1998
5795648Method for preserving precision edges using diamond-like nanocomposite film coatings
A method for preserving the precision-edges of a precision-edged substrate by applying to a the substrate a corrosion resistant coating comprising a diamond-like solid state material having interpenetrating atomic scale networks comprising a first diamond...
08/18/1998
5713133Methods of preparing cemented metal carbide substrates for deposition of adherent diamond coatings and products made therefrom
Methods for producing an adherent diamond film on a cemented metal carbide substrate are disclosed. Particularly, the present invention discloses methods of preparing the surface of a cemented metal carbide surface such that an adherent polycrystalline di...
02/03/1998
5669144Razor blade technology
A razor blade includes a substrate with a wedge-shaped edge at a distance of forty micrometers from the sharpened tip, and a layer of diamond or diamond-like material defined by facets that have an included angle of less than seventeen degrees that has a ...
09/23/1997
5653032Iron aluminide knife and method thereof
Fabricating an article of manufacture having a Fe3 Al-based alloy cutting edge. The fabrication comprises the steps of casting an Fe3 Al-based alloy, extruding into rectangular cross section, rolling into a sheet at 800° C. for a pe...
08/05/1997
5630275Multi-blade razor head with improved performance
The various embodiments of the present invention are directed to razor heads having a plurality of cutting edges wherein the physical characteristics of the cutting edges are different from each other. Among the items which may be varied in the blades are...
05/20/1997
5477756Method of applying polymers to razor blade cutting edges
A method of manufacturing a razor blade is disclosed wherein a polymer material is coated onto the blade edge. The polymer material is applied to the blade edge in a coating solution after which the blade is heated to melt the polymer via a radio frequenc...
12/26/1995
5305526Razor head, especially razor blade unit of a wet razor
To reduce the frictional resistance of a wet razor head, especially a razor blade unit thereof, as well as to provide a sharper blade without the risk of injury, there is provided a combination of a protective wire that covers a blade made of a steel stri...
04/26/1994
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