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4826508 |
Flexible abrasive coated article and method of making it
In the production of an abrasive member, an apertured mask, preferably formed of a resin such as polyvinyl chloride, is applied to one surface of a length of flexible, preferably electrically...
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4824442 |
Method of manufacturing composite thermostable abrasive products
For preparing a composite abrasive product having an active part, formed by a compact containing grains of ultra-hard product representing more than 80% per volume of the compact, each grain being...
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4813976 |
Nail-conditioning emery boards and process for making them
Disclosed is a process for making emery boards comprising the steps of providing a substrate selected from the group consisting of wood, cardboard and plastic sheets having first and second...
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4807402 |
Diamond and cubic boron nitride
Abrasive compacts are described which comprise a support mass having abrasive masses bonded to each of the upper and lower surfaces of said support mass. Preferably, the abrasive masses are diamond...
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4802896 |
Modified resins and abrasive articles made with the same as a bond system
The invention provides a novel resin comprising the reaction product of reactive, curable phenolic resin such as resole phenolic resin with a thermally stable, aromatic ligand such as a...
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4802828 |
Turbine blade having a fused metal-ceramic tip
A gas turbine engine blade has an abrasive material tip with a fused superalloy matrix and evenly distributed ceramic particulate. The matrix will have a desirable metallurgical structure...
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4799939 |
Erodable agglomerates and abrasive products containing the same
Erodable agglomerates containing individual abrasive grains disposed in an erodable matrix comprising hollow bodies and a binder. The agglomerates are useful for coated abrasives and bonded...
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4799473 |
Gearlike dressing tool
A gearlike dressing tool coated with extremely hard abrasive grains like diamond or CBN. To reduce the manufacturing expenses, not all but only a portion of the teeth is coated. The remaining teeth...
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4797138 |
Polycrystalline diamond and CBN cutting tools
A cutting tool comprised of a polycrystalline layer of diamond or cubic boron nitride which has a cutting edge and at least one straight edge wherein one face of the polycrystalline layer is...
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4789385 |
Thermally stable diamond abrasive compact body
The invention provides a composite diamond abrasive compact comprising a thermally stable diamond compact directly bonded to a cemented carbide substrate. The thermally stable diamond compact...
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4779386 |
Scouring block for cleaning rubber and the like
An abrasive scouring block is provided for cleaning rubber, such as the sidewalls of automobile tires, by rubbing the block against the surface of the rubber while rinsing it with water.
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4776862 |
Brazing of diamond
A monolayer diamond tool is made by coating diamond abrasive particles with a carbide-forming metal and then brazing the coated diamond to a tool substrate.
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4776863 |
Cutting tool
A cutting tool, in particular of hard metal, which is coated with hard layers of titanium carbide, titanium carbonitride and/or titanium nitride and that has an outer thin layer of zirconium...
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4773920 |
Coated abrasive suitable for use as a lapping material
Coated abrasive comprising a backing and abrasive grain adhered to said backing by means of a binder. The binder is prepared from a composition that is curable by free-radical polymerization. The...
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4767644 |
Method of making abrasive tape
A method of making an abrasive tape comprises the steps of preparing an abrasive composition at least from abrasive grains and a binder, applying the abrasive composition onto a flexible substrate,...
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4751138 |
Coated abrasive having radiation curable binder
Coated abrasive product and a process for producing same. The coated abrasive product comprises a backing, a make coat, and a size coat, and may contain an optional saturant coat, an optional...
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4738689 |
Coated oxidation-resistant porous abrasive compact and method for making same
Disclosed is an improved polycrystalline compact of self-bonded diamond particles having a network of interconnected empty pores dispersed throughout. The improved porous polycrystalline diamond...
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4737163 |
Coated abrasive product incorporating selective mineral substitution
Replacement of all or most of the coarse mineral in a coated abrasive product by a superior (and typically more expensive) mineral improves abrading performance significantly more than would be...
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4734104 |
Coated abrasive product incorporating selective mineral substitution
Replacement of all or most of the coarse mineral in a coated abrasive product by a superior (and typically more expensive) mineral improves abrading performance significantly more than would be...
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4697653 |
Diamond setting in a cutting tooth in a drill bit with an increased effective diamond width
A diamond cutting tooth for use in a petroleum drag bit is provided with an extended and expanded effective diamond cutting surface by providing a linear sequence of triangular prismatic,...
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4690692 |
Synthetic resin binders and their use for the manufacture of abrasives
This invention relates to a method for the manufacture of an abrasive material by means of a synthetic binder based on a mixture of phenolic resins. The phenolic resins employed have a great...
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4689242 |
Method for adhesion of grit to blade tips
Metal coated ceramic particles are bonded to a metallic substrate in a high temperature sintering process. A low viscosity binder solution containing fine metallic particulates is first applied to...
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4682987 |
Method and composition for producing hard surface carbide insert tools
A hard surfaced heavy duty cutting tool having an abrasive insert and method for hard surfacing and bonding metallic materials. The composition used in hard surfacing comprises a slurry coating...
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4681600 |
Cutting tool fabrication process
A method is provided for making improved molded abrasive tools by applying centifugal force and/or vibratory action to the abrasive particles during the molding operation. The abrasive is thereby...
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4672778 |
Rollable knife sharpener
Knife sharpener rollable on a support and having two substantially coaxially disposed equally sized rollers (2,4) pressed resiliently against each other. The rollers have on their facing sides...
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4670024 |
Silicon nitride cutting tool and process for making
A coated cutting tool comprises a substrate having an outer coating of refractory material with an interfacial layer intermediate the substrate and outer coating for enhancing the adherence of the...
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4670025 |
Thermally stable diamond compacts
A thermally stable diamond compact which has an alloy of liquidus above 700° C. bonded to a surface thereof. The alloy contains at least 40 percent by weight of silver or gold or a combination...
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4666466 |
Abrasive compacts
An abrasive compact is provided comprising a mass of cubic boron nitride particles and a second phase bonded into a hard conglomerate; adjacent cubic boron nitride particles being joined to each...
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4666465 |
Process for manufacturing fine blasting media for use in wet blasting
A wet blasting media involving fine particles having a mean diameter less than 0.5 mm, and a specific gravity of at least 1.5. The particles are formed by glass beads having an irregular plastics...
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4652274 |
Coated abrasive product having radiation curable binder
A coated abrasive product comprising abrasive granules adherently bonded to at least one major surface of a backing sheet by a radiation curable resinous binder material. The binder material can be...
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4643741 |
Thermostable polycrystalline diamond body, method and mold for producing same
A thermostable polycrystalline diamond body is produced by pre-treating the diamond crystals with molten base or salt, mixing the pre-treated diamond crystals with silicon powder or a blend of...
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4643740 |
Method for applying material to a substrate
The invention relates to a process for brazing refractory particles, notably tungsten carbide grits, onto a substrate such as a tool blank to provide an armor coating or a cutting edge thereon,...
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4642126 |
Coated abrasives with rapidly curable adhesives and controllable curvature
Previous coated abrasives with adhesives suited to rapid, UV light initiated cure often had intractable curl problems. Therefore, such coated abrasives have been unsuited to precision finishing of...
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4640693 |
Coated silicon nitride cutting tool and process for making
A coated ceramic silicon nitride cutting tool comprises a substrate having a major portion by volume silicon nitride, a coating of refractory material thereon, and an interfacial layer intermediate...
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4634453 |
Ceramic bonded grinding wheel
A method for making grinding wheels having an annular grinding section mounted on a central hub in which a slurry of abrasive particles and ceramic bond is coated on a pre-formed core, shaped, and...
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4629473 |
Resilient abrasive polishing product
A coated abrasive surface polishing product with excellent finish refinement capability and long life can be made by coating a layer of resilient material laminated to a conventional coated...
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4610698 |
Abrasive surface coating process for superalloys
A combination of sintering, plasma arc spraying, hot isostatic pressing and chemical milling is used to form an abrasive surface on an article. Alumina coated silicon carbide particulates are clad...
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4609380 |
Abrasive wheels
An abrasive wheel comprised of abrasive granules dispersed throughout and adhered in a matrix with a binder system which comprises a blend of a tough adherent binder and a smear-reducing quantity...
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4609382 |
Solids concentrate which contains abrasive solids and causes little wear
The wear on machine components is reduced during processing of solids concentrates containing abrasive solids if solids concentrates in which the carrier material has a resistance to shear and/or...
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4606738 |
Randomly-oriented polycrystalline silicon carbide coatings for abrasive grains
Disclosed is a composite abrasive particle comprising a core abrasive crystal and a silicon carbide coating inherently bonded to substantially all of the exterior surfaces of said core crystal,...
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4605343 |
Sintered polycrystalline diamond compact construction with integral heat sink
A sintered polycrystalline diamond compact having an integral metallic heat sink bonded to and covering at least the outer diamond surface is used to increase compact life when the compact is used...
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4604106 |
Composite polycrystalline diamond compact
The invention is a composite polycrystalline diamond compact comprising at least one layer of diamond crystals and precemented carbide pieces which have been pressed under sufficient heat and...
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4592141 |
Self-sharpening cutting implement and method of making the same
A self-sharpening cutting implement, especially scissors, includes two cutting elements which have respective gripping and cutting portions and which are pivotably connected to one another...
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4591363 |
Process of making a coated abrasive for diamond grinding wheels
A process for making a coated abrasive for diamond grinding wheels in which a clean synthetic diamond grit is moistened with an aqueous wetting agent solution, a metal mixture consisting of about...
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4591364 |
Abrasive materials
A method of making aggregated diamond abrasive particles comprising forming a mixture of diamond abrasive particles and a powdered metal, heating the mixture to sinter the metal followed by cooling...
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4588419 |
Resin systems for high energy electron curable resin coated webs
Abrasive products and methods of producing such products are described. The resin systems utilized are particularly suited to use in the manufacture of coated adhesive products. The coated abrasive...
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4585464 |
Low moisture absorption abrasive bristle of polybutylene terephthalate
A bristle material is disclosed having improved stiffness comprised of a thermoplastic matrix comprising polybutylene terephthalate and containing an abrasive filler.
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4578087 |
Nitride based cutting tool and method for producing the same
A nitride based ceramic cutting tool is described comprising from 50 to 90% by weight Si 2 N 4 , from 5 to 45% by weight TiN, and from 5 to 45% by weight sintering aid, said sintering aid...
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4576612 |
Fixed ophthalmic lens polishing pad
A rosette shaped polishing pad includes a tough, flexible substrate, which is coated on one side with a layer of pressure sensitive adhesive for securing the pad to a polishing lap or the like, and...
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4561863 |
Grinding wheel and manufacturing method thereof
A grinding wheel which comprises a number of abrasive grains coated with an electrically conductive material, an electrically non-conductive bond having a number of diamond filler dispersed...
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