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6087025 |
Application of diamond-like carbon coatings to cutting surfaces of metal cutting tools
The present invention provides metal working tools with metal working surfaces bearing a coating of diamond-like carbon that is strongly adhered to the surface via the following gradient: metal...
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6086648 |
Bonded abrasive articles filled with oil/wax mixture
An abrasive article is provided for precision grinding purposes, and the article comprises 3 to 25 volume % vitreous bond, 3 to 56 volume % MCA abrasive grain, and 28 to 63 volume % open porosity....
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6071601 |
Coated cutting tool member
The present invention provide for a cutting tool member that has been coated with a hard coating. The hard coating has multiple layers including: a) a layer made of a titanium compound that has a...
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6066188 |
Coated abrasive belt with an endless seamless backing and method of preparation
A coated abrasive backing consisting of an endless, seamless, loop is provided. The backing loop includes about 40-99% by weight of an organic polymeric binder, based upon the weight of the...
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6056794 |
Abrasive articles having bonding systems containing abrasive particles
This invention provides an abrasive article comprising abrasive agglomerate particles and a bond system. The abrasive agglomerate particles comprise a plurality of abrasive grains bonded together...
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6051646 |
Thermosetting binder prepared with (hydroxyalkyl)urea crosslinking agent for abrasive articles
Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule which contains at least two functional groups selected from the...
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6048375 |
Coated abrasive
Abrasive tools, such as coated abrasives, made using radaition curable resin binders can be given a greater depth of cure of the binder if they include an acylphosphine oxide initiator.
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6042462 |
Flexible backing for abrasive material in sheets
A flexible backing for abrasive material in sheets, constituted by a body which is composed of at least three materials which are stably coupled in layers, an intermediate layer being constituted...
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6039631 |
Polishing method, abrasive material, and polishing apparatus
Disclosed is a polishing method including the step of: polishing a surface of a member to be polished by rotating and sliding an abrasive wheel holding fixed abrasive grains on the surface of the...
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6039775 |
Abrasive article containing a grinding aid and method of making the same
An abrasive article is provided which includes a peripheral surface formed comprising a grinding aid. The grinding aid is formed from a mixture including an acid and at least one of an inorganic...
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6033768 |
Hard material coating with yttrium and method for its deposition
Ternary hard material layers are described to which a small proportion of yttrium is added to increase the resistance to wear at elevated temperatures.
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6029760 |
Superhard cutting element utilizing tough reinforcement posts
This invention relates to superhard cutting elements. Specifically, this invention relates to polycrystalline diamond and cubic boron nitride cutting elements produced by means of high pressure and...
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6019805 |
Abrasive filaments in coated abrasives
A coated abrasive material comprising a substrate and maker coat and adhered by means of the maker coat a plurality of abrasive grits in the form of U-shaped particles or coils.
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6017831 |
Nonwoven abrasive articles
Abrasive articles and a method for the manufacture of such articles are described. The articles comprise a lofty nonwoven web of fibers, the fibers defining a first major web surface, a second...
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6015442 |
Alumina-based abrasive grains and method for preparing same
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6012971 |
Sharpening apparatus
An abrasive material contains abrasive particles in the range of 50 to 80% by weight in an olefinic thermalplastic resin system which is based on ethylene copolymer. The material may be...
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6007591 |
Abrasive sheet and method for producing same
An abrasive sheet for precisely abrading a workpiece surface includes an adhesive and an abrading layer made by drying a slurry which is a mixture of abrasive particles and a binder. The abrading...
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6007590 |
Method of making a foraminous abrasive article
A method for manufacturing a foraminous abrasive article whereby abrasive particles are concentrated in an external surface region of a foraminous substrate. The method includes the steps of:...
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6004363 |
Abrasive article and method for making the same
The present invention relates to an abrasive article. The abrasive article of the present invention contains an abrasive layer, a polyurethane structure bonded to the abrasive layer and a substrate...
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6004362 |
Method for forming an abrasive surface on a tool
A method for fabricating a tool used in cutting, grinding and machining operations, is provided. The method is used to deposit a mixture comprising an abrasive material and a bonding material on a...
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6001470 |
Calcining tool material and method of fabricating thereof
A calcining tool material, comprising a flame-spray zirconia coating layer made of unstabilized zirconia and stabilized or partially-stabilized zirconia in admixture, formed on the surface of an...
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5997597 |
Abrasive tool with knurled surface
An abrasive tool includes a steel core having at least one cutting face which is knurled to provide a uniform texture of recesses of predetermined size. A single layer of abrasive grain such as...
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5981057 |
Diamond
A CVD diamond layer for use as an insert in an abrasive tool characterized by the following features: (i) the layer contains boron dopant atoms in a concentration of at least 0.05 atomic...
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5980597 |
Color stable coated abrasives
A coated abrasive comprising maker and size coats with improved color stability is obtained by the use of a bisphenol/formaldehyde resin binder in either the maker or, more preferably, the size coat.
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5981049 |
Coated tool and method of manufacturing the same
A coated tool includes a base material and a wear-resistant coating film formed on the base material. The composition of the wear-resistant coating film is expressed as (Ti x ,Al y ,V z )(C u ,N v...
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5976206 |
Method of making white diamond film
Diamond film with substantially no non-diamond carbon and a high thermal conductivity is deposited by means of a direct current arc jet apparatus with a substrate temperature below about 975...
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5976204 |
Abrasive articles and method for preparing them
A continuous method for preparing a granular molding material for abrasive articles has been developed. The method includes the step of continuously blending an abrasive material with a curing...
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5965253 |
Machining tools
Tools having a surface coating of at least one compound containing at least one element from the main group of Group VI of the periodic table and at least one element from the subgroup of Groups V...
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5954844 |
Abrasive article comprising an antiloading component
An abrasive article, for example, a coated, bonded, or nonwoven abrasive article comprising a binder, a plurality of abrasive particles, and an antiloading component.
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5948523 |
Tool for coldforming operations
An improved coldforming tool made of a zone in a tungsten carbide-cobalt cemented carbide is disclosed. The tool, preferably a wire drawing nib, contains WC with a mean grain size of 1.5-2 μm and...
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5942015 |
Abrasive slurries and abrasive articles comprising multiple abrasive particle grades
Abrasive slurries, abrasive articles made from the abrasive slurries, and methods for the production of the abrasive articles are disclosed. The abrasive slurries and abrasive articles made...
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5928394 |
Durable abrasive articles with thick abrasive coatings
The present invention relates to an abrasive article containing an abrasive coating having more than one abrasive composite layer, wherein each abrasive composite layer has undergone at least one...
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5928760 |
Abrasive sheet with thin resin film
An abrasive sheet has an abrasive particle layer formed on a surface of a thin flexible resin film. The abrasive sheet is produced by the steps of preparing a releasable film, forming a thin...
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5925154 |
Carbon bonded abrasive tools and method for producing
A method of producing a carbon bonded abrasive tool by chemical vapor deposition of carbon, such as pyrolytic carbon, diamond, or a polymorphous form of diamond through a preshaped tool, the...
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5914181 |
Coated cemented carbide member
A coated cemented carbide member includes a cemented carbide base material containing a binder metal of at least one iron family metal and a hard phase, and a coating layer provided on the surface...
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5914299 |
Abrasive articles including a polymeric additive
An abrasive article is provided that includes at least one binder system formed from a polymeric additive and a thermosetting resin. The polymeric additive includes a polymeric backbone having...
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5908477 |
Abrasive articles including an antiloading composition
An abrasive article is provided that includes a bond system formed from a binder precursor and about 15% by weight or less of a wax-containing modifier. An abrasive article that includes the bond...
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5902360 |
Surface-modifying tools
In a method for removing metal from the surface of a workpiece by continuously rubbing the surface with a tool in a friction-inducing manner and in the presence of a friction-enhancing agent (an...
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5885311 |
Abrasive products
Coated abrasive materials can be made from a substrate and, adhered to the substrate by a maker coat, weak shaped abrasive grits with, interspersed between the abrasive grits, a plurality of...
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5882777 |
Super hard composite material for tools
Super hard composite material for tools, comprising a substrate of CBN sintered body containing more than 20% by volume of cubic boron nitride (CBN), improved in strength of base material,...
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5876845 |
Cutter member for material removal tool
A cutting member to be connected to a material removing device such as an annular bit, a drilling bit, a cutting bit, a saw and the like, consists of a binder agent, diamond grains and a small...
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5871555 |
Abrasive grain comprising manganese oxide
Abrasive grain including manganese oxide therein are provided. The inclusion of manganese oxide can be utilized to reduce the transition temperature of transitional alumina(s) to alpha alumina(s),...
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5863306 |
Production of patterned abrasive surfaces
Coated abrasives suitable for very fine abrading applications can be obtained by depositing a layer of a formulation comprising abrasive grits, fillers, grinding aid, additives and a binder resin...
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5863305 |
Method and apparatus for manufacturing abrasive articles
A method for making a nonwoven a abrasive article. A preferred aspect of the method comprises the steps of: a) providing a nonwoven web having a first side and a second side, the web comprising a...
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5861210 |
Aluminum oxide coated tool
There is provided a tool at least partly coated with at least two refractory layers of which one of the said layers is a fine-grained α-Al 2 O 3 -layer which is the top layer along the cutting...
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5858140 |
Nonwoven surface finishing articles reinforced with a polymer backing layer and method of making same
Abrasive and polishing belts and discs suitable for offhand and automated article finishing comprising a lofty, nonwoven abrasive web optionally needled to a woven fabric and a polymeric layer...
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5855632 |
Radiation curable abrasive article with tie coat and method
A method of preparing an abrasive article, and the article produced therefrom is provided. The method includes the steps of: providing a backing having a first major surface; coating the first...
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5851658 |
Diamond coated article and process for producing thereof
A diamond coated article is disclosed which consists essentially of a substrate and a plurality of polycrystalline diamond film layers accumulatively coated thereon in a total thickness of at least...
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5851247 |
Structured abrasive article adapted to abrade a mild steel workpiece
The present invention is directed to a structured abrasive article that provides an enhanced cut rate and extended productive life when abrading mild steel workpieces. This abrasive article...
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5849646 |
Coated abrasive backing
The present invention provides a backing for a coated abrasive article, wherein the backing includes a tough, heat resistant, thermoplastic binder material, and an effective amount of a fibrous...
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