Patents
Patents for B24D 3 - Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents (10,364)
10/1991
10/29/1991US5061292 Idiomorphic crystal grit having irregularly shaped core and growth layer
10/23/1991EP0452618A1 Process and apparatus for preparing an abrasive body for grinding tools
10/22/1991US5058562 Rotary diamond tool for truing grinding wheel
10/19/1991WO1991016175A1 Cavitied abrading device with layered grit
10/16/1991EP0451944A2 Nonwoven surface finishing articles reinforced with a polymer backing layer and method of making same
10/16/1991EP0451509A1 Abrading device
10/15/1991US5057124 Less risk of breakage under thermal stress
10/10/1991DE4010868A1 Thin walled sintered grinding ring mfg. - uses a core for removal of shrinkage
10/09/1991EP0450615A2 Method of producing porous vitrified grinder
10/09/1991EP0450136A1 Abrasive tool and method of realization
10/08/1991US5054246 Abrasive compacts
10/01/1991US5053369 Sintered microcrystalline ceramic material
09/1991
09/30/1991CA2036247A1 Nonwoven surface finishing articles reinforced with a polymer backing layer and method of making same
09/25/1991EP0448510A1 Method for avoiding cracks in cutting or grinding discs
09/25/1991EP0448314A2 Saws
09/25/1991EP0447608A1 Abrasive tool, process for its manufacture, and use of a special material therefor
09/24/1991CA1289367C Diamond compacts and process for making same
09/17/1991US5049166 Metal carbonate
09/17/1991US5049165 Hard particles embedded in matrix
09/11/1991EP0445568A1 Process for manufacturing of a grinding wheel for grinding spectacle lens edges
09/11/1991EP0445389A1 Cobalt bonded diamond tools, process for preparing the same and their use
09/10/1991US5046288 Rotary finishing tool
09/05/1991DE4006660A1 Grinding disc for profiling spectacle lens edges - has plastic body with outer abrasive edge of diamond particles in metal, e.g. bronze, and a supporting copper ring
09/04/1991EP0444824A2 Granular abrasive
09/03/1991CA2035380A1 Abrasive granules
08/1991
08/29/1991DE4006027A1 Elastic abrasive wheel for surface treatment of steel or plastic - comprises flexible polyurethane foam binder and re-granulated ceramic-bonded silicon carbide or corundum abrasive disc material
08/21/1991EP0442710A2 Abrasives containing ammonium fluoride-based grinding aid
08/21/1991EP0441877A1 Alumina-zirconia-silicon carbide-magnesia ceramic articles.
08/20/1991CA1287742C Abrasive material, especially for turbine blade tips
08/14/1991EP0441640A2 Sintered aluminous abrasive grains and method of producing the same
08/14/1991CA2035094A1 Abrasives containing ammonium fluoride-based grinding aid
08/13/1991US5039311 Abrasive granules
08/10/1991CA2036051A1 Sintered aluminous abrasive and method of producing same
08/07/1991EP0440013A2 Water-dispersible, heat-resistant composition and uses thereof
08/07/1991EP0439956A2 Abrasive sheet and method of manufacturing
08/07/1991CN1053571A Sol-gel process alumina abrasive grain blends in coated abrasive material
08/06/1991US5037453 Abrasive article
08/06/1991US5037452 Method of making vitreous bonded grinding wheels and grinding wheels obtained by the method
08/06/1991US5037451 Applying abrasive particle slurry to heated substrate, setting, applying pressure pad, removing liquid, bonding under high temperature and pressure
07/1991
07/31/1991EP0438671A2 Abrasive film and method for production thereof
07/31/1991CN1053385A Manufacturing method of multipurpose mesh abrasive cloth
07/30/1991US5035724 Sol-gel alumina shaped bodies
07/30/1991US5035723 Of fine alpha alumina crystals
07/25/1991WO1991010538A1 Composite material
07/23/1991US5034360 Process for the production of a ceramic polycrystalline abrasive
07/23/1991US5034022 Silicon nitride cutting tool
07/23/1991CA1286509C Grindstone-polymer composite for super colloid mill and manufacturing method thereof
07/16/1991US5032238 Method of and apparatus for electropolishing and grinding
07/16/1991US5032147 Heat resistance
07/11/1991WO1991009707A1 Grindstone
07/11/1991CA2033897A1 Water-disperseable, heat-resistant composition and use thereof
07/09/1991US5030250 Manufacture of abrasive products
07/09/1991CA1285776C High hardness sintered compact and process for producing the same
07/03/1991EP0435501A1 Abrasive products
07/02/1991US5028242 Lapping member and lapping tape
07/02/1991CA1285395C Coated abrasive having radiation curable binder
06/1991
06/27/1991WO1991008864A1 An article having a high friction surface, an apparatus and a method for producing said article
06/25/1991US5026405 Bond for abrasive tools
06/25/1991US5026404 Abrasives
06/19/1991EP0433031A1 Abrasive elements
06/19/1991EP0432444A1 Process for the preparation of high-temperature-resistant foams
06/18/1991US5024976 Durable inserts for high speed rough machining of metals
06/18/1991US5024680 Diamond, chromium carbide and metal carbide multilayer
06/18/1991CA1284887C Method for making quick ageing abrasive slurries for the constructions of grinding wheels, and the abrasive slurries made thereby
06/12/1991CA2030403A1 Abrasive elements
06/11/1991US5022895 Coating of diamond grit suspended in matrix
06/11/1991US5022894 Diamond compacts for rock drilling and machining
06/05/1991EP0308440B1 Diamond compacts
06/04/1991US5020282 Grinding tool and method of making the same
05/1991
05/29/1991EP0428621A1 Method of preparing abrasive articles
05/29/1991CN1051691A Chemically bonded superabrasives grit
05/21/1991US5016498 Method and apparatus for manufacturing super abrasive cutting saw
05/17/1991CA2028678A1 High temperature resistant foams
05/16/1991WO1991006398A1 Grinding belt
05/14/1991US5015266 Embossing, painting a slurry of abrasive and resin adhesives and hardening and drying by heat treatment
05/14/1991US5015265 Process for making cubic boron nitride from coated hexagonal boron nitride, and abrasive particles and articles made therefrom
05/14/1991US5014468 Aluminum Oxide Abrasive For Ophthalmic Applications
05/08/1991EP0426138A2 Sol-gel process alumina abrasive grain blends in coated abrasive material
05/08/1991EP0425872A2 Process and device for manufacturing a polishing disc
04/1991
04/30/1991US5011514 Hard particles with metal coating as matrix; high strength cutting tools
04/30/1991US5011513 Single step, radiation curable ophthalmic fining pad
04/30/1991US5011512 Electrostatical coating of fused alumina zirconia or alpha alumina based ceramic
04/30/1991US5011511 Grinding tool
04/30/1991US5011510 Mixing powders of diamond, boron nitride, metals; then molding, simultaneous sintering
04/30/1991US5011509 Polycrystalline diamond layer bonded to substrate
04/30/1991US5011508 Bonding protuberant particles; sintering
04/25/1991DE4032540A1 Prodn. of screen polishing discs - by loading radial mould recesses with impregnated foam polishing segments, introducing resin mix, rotating mould and heating it to cure mix
04/23/1991US5010043 Production of diamond compacts consisting essentially of diamond crystals bonded by silicon carbide
04/23/1991US5009676 Sintered sol gel alumina abrasive filaments
04/23/1991US5009675 Binder-free coating of silicon, titanium or aluminum oxide for grinding wheels
04/23/1991US5009674 Abrasives
04/17/1991EP0422778A1 Improved method of brazing of diamond to substrate
04/17/1991EP0422435A2 Diamond compacts for rock drilling and machining
04/16/1991US5008513 Shaping of bonded abrasive products
04/16/1991US5007943 Sol-gel process alumina abrasive grain blends in coated abrasive material
04/16/1991US5007207 Abrasive product
04/16/1991CA1282964C Abrasive wheels
04/13/1991CA2021607A1 Diamond compacts for rock drilling and machining
04/10/1991EP0421350A1 Method of and apparatus for electropolishing and grinding
04/04/1991WO1991004136A1 Abrasive tool