Patents for B24B 27 - Other grinding machines or devices (5,368)
01/1999
01/19/1999US5860852 Oscillating spindle sander
01/13/1999EP0890415A2 Apparatus for surface machining of cast or rolled material like slabs or strips
01/13/1999EP0890414A2 Lens grinding apparatus
01/07/1999EP0888847A1 Device for providing grinded teeth on an elongated blade
01/07/1999DE19828894A1 Hand held circular saw annular blade, off-centre blade drive and blade guide rollers
01/07/1999DE19828888A1 Hand held circular saw with off-centre blade drive and e.g. hydraulic motor
01/07/1999DE19827334A1 Angle grinder
01/05/1999US5856396 Rubber wheels suitable for use on a portable vehicle adhesive remover
12/1998
12/30/1998WO1998058767A2 Machining apparatus and method
12/30/1998EP0887137A2 Tension adjusting mechanism for wire saw
12/23/1998EP0885679A1 wire saw and method of cutting work
12/23/1998EP0885088A1 Process and machine tool for machining workpieces with two work spindles
12/23/1998EP0885083A1 Method of cutting blocks of hard substances into plates by means of a wire saw, and wire saw for carrying out this method
12/10/1998WO1998055260A1 Metal part having external surface with particular profile, polishing method for its production and device for implementing the method
12/10/1998DE19723630A1 Winding of a saw wire onto and off a spool
12/02/1998EP0881035A1 Method for material removing machining of a wafer edge
11/1998
11/25/1998EP0880023A1 Method and device for the automatic detection of surface faults during the continuous mechanical removal of material from casted products
11/24/1998US5839425 Method for cutting a workpiece with a wire saw
11/12/1998WO1998050209A1 Slicing device using yarn for cutting thin wafers using the angular intersection of at least two yarn layers
11/12/1998DE19718473A1 Surface finishing machine for workpieces
11/04/1998EP0875341A1 Position and/or force controlling apparatus using sliding mode decoupling control
11/04/1998EP0875325A1 Wire saw, mounting stage for wire saw roller head, maintenance unit for wire saw roller head and method for changing wire saw roller head
11/03/1998US5829424 Device for wire sawing provided with a system for directing wire permitting use of spools of wire of very great length
10/1998
10/29/1998WO1998047659A1 Grinding unit
10/28/1998EP0874390A1 Grinding method of grinding device
10/28/1998EP0873218A1 Arrangement for grinding of preferably slabs and method
10/28/1998CN1197542A Grinding method of grinding device
10/27/1998US5827113 Cutting machine
10/27/1998US5827110 Polishing facility
10/13/1998US5820449 For polishing planar faces of a structure
09/1998
09/30/1998EP0867260A2 Lens grinding apparatus and lens grinding method and component therefore
09/24/1998DE19811579A1 cutting crystal blank with wire saw of roller type
09/22/1998US5810643 Wire saw cutting method synchronizing workpiece feed speed with wire speed
09/17/1998DE19710897A1 Cutting machine with two cutting components, especially saw with saw blades
09/09/1998EP0702612B1 Method and device for supporting a tool while working the edge ofa sheet material
09/08/1998US5803798 Dual column abrading machine
09/08/1998US5803793 Lens grinding apparatus having chamfering and other grinding wheels mounted on the same shaft
09/08/1998US5803071 Soft concrete saw
09/01/1998US5799644 Semiconductor single crystal ingot cutting jig
08/1998
08/20/1998WO1998035784A1 Wire-saw and its manufacturing method
08/19/1998CN1190611A Sound board seam cutting equipment for mechanical sounding apparatus
08/12/1998EP0857540A2 Lens grinding apparatus
08/12/1998EP0857539A2 Lens grinding apparatus
08/12/1998EP0675780B1 Workpiece grinding apparatus and method
08/05/1998EP0856388A2 Method of slicing a workpiece through use of a wire saw, and a wire saw
07/1998
07/28/1998US5785578 Equipment for the grinding of material samples
07/21/1998US5782678 Dual column abrading machine
07/14/1998US5778869 Wire saw slicing apparatus and slicing method using the same
07/09/1998WO1998029205A1 Brushing process for corrosion and oxidation resistance
07/01/1998EP0850123A1 Device for the grinding of drafting rolls
06/1998
06/23/1998US5769575 Oscillatory motion device for drill press
06/11/1998WO1998024962A1 Needle-like scissors tool for use in embroidery and the like for openwork techniques of cutwork adapted to transform a needle carrier rod
06/10/1998EP0846525A1 Method for edge grinding of glass plates
05/1998
05/28/1998DE19648790A1 Tool grinding machine, especially for sharpening and regrinding of drills, end millers, etc.
05/13/1998CN2281236Y Abrasive disc attached on electric drill
05/13/1998CN2281235Y Pipe cutter
04/1998
04/29/1998CN1180327A Hot metal grinding
04/15/1998EP0835719A1 Constant force applying method and device
04/14/1998US5738574 Continuous processing system for chemical mechanical polishing
04/14/1998US5738564 Numerically controlled grinding machine for grinding workpieces, in particular tools
04/07/1998US5735258 Cutting machine
04/02/1998WO1998013168A1 Welding device
04/02/1998DE19639749A1 Schweißeinrichtung Welder
04/02/1998CA2267257A1 Welding device
03/1998
03/26/1998WO1998012019A1 Apparatus and method for abrasively removing material
03/26/1998DE19640098C1 Twin work table grinding machine
03/12/1998DE19636055A1 Edge material removing machining method for semiconductor wafer
03/11/1998EP0827798A1 A multi-wire saw
03/11/1998EP0827441A1 Belt grinder with pivotable grinding unit and opposite supporting tables at different working heights
03/10/1998US5725419 Apparatus for removing excess material from workpieces
02/1998
02/18/1998CN2274545Y Portable cutter
02/17/1998US5719368 Apparatus for joining billets in continuous rolling mill
02/17/1998US5718615 Semiconductor wafer dicing method
02/11/1998EP0822885A1 Hot metal grinding
02/10/1998US5716280 Method for forming a fluted fastener
02/10/1998US5716262 Marking apparatus for marking painted surface
02/10/1998US5716256 Lens grinding apparatus for grinding an eyeglass lens from a plurality of directions
02/10/1998US5715807 For cutting a workpiece
01/1998
01/29/1998WO1998003303A1 Improvements relating to grinding methods and apparatus
01/27/1998US5711697 Robot control system
01/21/1998EP0819037A1 Automatic surface finisher and finishing process for sanitary-ware and ceramic products
01/20/1998US5709594 Portable motor or engine-driven cutting-off machine
01/07/1998EP0743889B1 Apparatus for cutting off materialographic samples from a specimen
01/06/1998US5704826 Machine for grinding rotor blades provided with a multiwheel head
12/1997
12/24/1997WO1997048523A1 Improvements in and relating to grinding machines
12/23/1997US5699782 Wire saw apparatus
12/18/1997WO1997047431A1 Device for machining of elongate objects
12/17/1997CN1167665A 超声波振动刀具 Ultrasonic vibration tool
12/16/1997US5697831 Machine tool with plural tool spindles
12/04/1997DE19717058A1 Motor-driven pillar drilling machine
11/1997
11/26/1997EP0808723A1 Method to remove chromium plating and engraving from gravure rollers and machine suited to carry out such a method
11/26/1997EP0808701A2 Wire saw
11/26/1997CN1165726A Pipe cutter
11/19/1997EP0807492A2 Method for polishing workpieces and apparatus therefor
11/19/1997CN2267891Y Hand-held electric angle polisher
11/04/1997US5683287 Process and device for deburring and chamfering edges of openings extending through a plate maintaining a bundle of tubes
10/1997
10/28/1997US5681211 Drop-on grinding bit for a grinding apparatus
10/28/1997US5681204 Device for detecting a displacement of a blade member of a slicing apparatus
10/21/1997US5679059 Method of polishing a surface of a workpiece
10/21/1997US5679056 Drum sander attachment for a power tool and method of using
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