Patents
Patents for B24D 7 - Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor (3,719)
11/1994
11/15/1994US5363601 Grinding bit
11/01/1994US5359814 For regrinding a component part of a constant velocity universal joint
10/1994
10/19/1994EP0559798B1 Tool for producing crown wheels, and method for producing such a tool
10/13/1994DE4410414A1 Drilling device for hard, brittle materials and corresponding drilling method
10/12/1994EP0619165A1 Abrasive article
10/08/1994CA2120660A1 Abrasive article
10/05/1994EP0618044A2 A cutter device and a cutter apparatus
10/05/1994EP0617652A1 Coated abrasive backing
09/1994
09/27/1994US5349786 Apparatus and method for producing and oscillating, an orbiting and a vibrating movement on a disc body
09/21/1994CN1092381A Platey alumina
09/15/1994WO1994020264A1 Method and article for polishing stone
09/15/1994CA2156082A1 Method and article for polishing stone
09/14/1994EP0614726A2 Grinding device, particularly for working off concrete and natural stones
08/1994
08/31/1994CN1091350A Disc shaped lapping tool
08/30/1994US5341606 Device for cutting and grinding a doughnut shaped substrate and a method therefor
08/30/1994CA2047255C Rotary polishing tool
08/24/1994CN1091073A Abrasive device
08/23/1994US5339569 Surface processing device
08/23/1994CA2027207C Gear type tool
08/18/1994WO1994017956A1 Process for machining components made of brittle materials and a device for carrying out the same
08/11/1994DE4300417A1 Basic structure for abrasive wheels for rotating or oscillating grinding tools.
08/09/1994US5336279 Article and a method for producing an article having a high friction surface
07/1994
07/21/1994WO1994015750A1 Tool for abrasive machining
07/06/1994EP0605359A1 Disc-like grinding tool
06/1994
06/29/1994EP0604395A2 Grinding wheel having high impact resistance, for grinding rolls as installed in place
06/22/1994EP0602333A1 Grinding-disc for working of workpiece-surfaces
06/14/1994US5319891 Method of and tool for fine-machining a part-spherical workpiece
05/1994
05/31/1994US5316812 Coated abrasive backing
05/31/1994US5316416 Diamond cutting tool for hard articles
05/18/1994EP0597723A1 Abrasive device
05/14/1994CA2102974A1 Abrasive device
05/11/1994EP0596842A1 Sanding disk for superfinishing machines including improved coupling means
05/11/1994EP0596831A1 Disc-like tool for angle grinder
05/11/1994EP0596742A1 Abrasive tool insert with high torque fastener
05/11/1994CN2164342Y Structure of abrasive wheel
04/1994
04/13/1994CN1085146A Filled abrasive wheel slotted naturally in manufacture
03/1994
03/31/1994WO1994007110A1 Optical endpoint determination during the processing of material layers
03/23/1994CN1024079C High-efficient emery wheel and treating method
02/1994
02/22/1994US5287662 Abrasive body
02/15/1994US5285600 Apparatus and method for finishing a workpiece
02/08/1994US5283983 Sharpening device
02/08/1994CA2029568C Polishing-grindstone mount base assembly
02/03/1994WO1994002285A1 Pivoting polishing block for use in apparatus for cleaning and polishing roll assemblies
01/1994
01/11/1994US5277702 Plately alumina
01/05/1994EP0576520A1 Method of and machine for grinding a workpiece
01/04/1994US5274961 Apparatus for grinding cams
12/1993
12/23/1993WO1993025348A1 Cut-off wheel having disposable mounting hub
12/23/1993WO1993025346A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines
12/23/1993CA2136998A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines
11/1993
11/23/1993CA1324492C Composite grinding wheel
11/09/1993US5259150 Method for grinding cams
11/09/1993US5259148 Ring generator wheel with improved coolant flow
11/09/1993US5259145 Clamp device for rotary tool element
11/09/1993CA2068288A1 Abrasive member
10/1993
10/21/1993DE4206234A1 Water-cooled diamond trepanning drill spindle for drilling glass, stone etc. - has coil spring acting on push rod through centre of spindle to eject core material resulting from drilling operation
10/20/1993EP0566218A2 Method for finding a preferred spot for a laser beam of a laser beam interferometer and laser interferometer apparatus
10/20/1993EP0566217A2 Method and apparatus for focussing a beam of radiant energy
10/12/1993CA1322871C Surface sampling device
09/1993
09/28/1993US5247765 Abrasive product comprising a plurality of discrete composite abrasive pellets in a resilient resin matrix
09/28/1993CA1322459C Abrasive wheel
09/22/1993EP0561610A1 Polishing pad
09/17/1993CA2091660A1 Polishing pad
09/16/1993DE4307030A1 Grinding wheel used on machine for machining power transmission belts - has grinding segments spaced around periphery with gaps in between and belt is tensioned between two rollers
09/15/1993EP0559798A1 Tool for producing crown wheels, and method for producing such a tool.
09/14/1993US5243790 Abrasive member
09/08/1993EP0558869A1 Object with an abrasive surface and method of manufacturing the same
09/07/1993CA1321884C Apparatus and method for laminated grinding disks employing vibration damping materials
08/1993
08/31/1993US5239784 Cavitied abrading device with smooth lands area and layered grit
08/19/1993DE4304128A1 Grinding wheel with replaceable ceramic abrasive elements - which are retained by concrete adhesive element and metal plate
08/19/1993DE4205299A1 Universal grinding body for wood and plastics - comprises integral handle and body covered with silicon rubber elastomer backed grinding layer, for simple renovation
08/19/1993DE4203813A1 Circular brush with rotary hub - has radially protruding bristles and has threadless arms fitting into holes in hub
08/15/1993CA2089197A1 Method and arrangement for fastening a grinding segment
08/12/1993DE4301214A1 Grinding machine for grinding reversible cutting inserts - has grinding wheel with two concentric abrasive surfaces offset from each other in axial direction
08/11/1993EP0477253B1 Hollow drill
08/10/1993US5233794 A compacts is made of thermosetting resin and a fiber selected from group of alumina fibers, silicon carbide fibers, boron fibers and silicon nitride fibers; poreless, abrasives, free of plugging
08/04/1993EP0554070A1 An improved abrading device
07/1993
07/28/1993CN1074644A A device for cutting and grinding a dougnhut shaped substratet and a method for cutting and grinding the same
07/27/1993CA1320644C Abrasive compacts
07/21/1993EP0551714A1 Abrasive articles and their production
07/08/1993WO1993012912A1 Coated abrasive backing
07/08/1993CA2126218A1 A coated abrasive backing
06/1993
06/23/1993CN1073389A A coated abrasive backing
06/09/1993CN2135428Y Grind wheel for groove
05/1993
05/27/1993DE4224139A1 Fine grinding process for generating rounded end on slender shaft - uses grinding tool in form of thick rotating rod with cup shaped end fed angularly against rotating shaft end
05/25/1993US5213590 Applying pattern of abrasive particles to a tool, magnetism
05/19/1993EP0542693A1 Abrasive disc for lapping machines with improved locking means
05/11/1993US5209760 Silicon carbide dispersed in polypropylene
04/1993
04/14/1993EP0536259A1 Disposable finishing article having an integral mounting hub including an improved metal pressure cap
04/07/1993EP0535431A1 Angle grinder
03/1993
03/30/1993US5197249 Diamond tool with non-abrasive segments
03/30/1993US5197228 Method of and machine for grinding a workpiece
03/16/1993US5193311 Tools for working non-metallic hard materials
03/10/1993EP0530536A1 Grinding wheel
02/1993
02/02/1993CA1313311C Abrading apparatus and process for making the same
02/02/1993CA1313308C Grinding machine and grinding method
01/1993
01/26/1993US5181939 Article and a method for producing an article having a high friction surface
12/1992
12/30/1992EP0520328A1 Sintered diamondized grinding wheel with metallic matrix particularly for grinding and/or polishing flat surfaces
11/1992
11/25/1992EP0515230A2 Clamp device for rotary tool element
11/25/1992EP0514822A1 Tool for working concrete or similar materials
11/11/1992EP0512373A2 Device for holding a tool
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