Patents
Patents for B24B 19 - Single purpose machines or devices for particular grinding operations not covered by any other main group (7,169)
04/1994
04/26/1994US5305729 Skid plate assembly
04/19/1994US5303511 Spindle apparatus for supporting and rotating a workpiece
04/14/1994WO1994007652A1 Locking mechanism for multiple belt grinding machine
04/14/1994WO1994007651A1 Grinding machine utilizing multiple, parallel, abrasive belts for simultaneously grinding surfaces on a workpiece
04/14/1994WO1994007650A1 Method and apparatus for tapering a laser optical fiber to a fine point
04/13/1994EP0592112A1 Improvements in or relating to methods of grinding blade tips of turbine/compressor rotors
04/13/1994EP0591998A1 Apparatus and method for grinding points
04/13/1994EP0591992A1 Apparatus for applying a cutting edge to a needle
04/10/1994CA2106926A1 Needle transporting apparatus
04/10/1994CA2106787A1 Apparatus and method for grinding points
04/05/1994US5299388 Machine for use in the manufacture of vehicle power steering gears
03/1994
03/30/1994EP0589160A1 Method and apparatus for deburring and further processing of workpieces, especially ceramic workpieces
03/29/1994US5297365 Method of machining silicon nitride ceramics and silicon nitride ceramics products
03/09/1994EP0585429A1 Device for grinding linings, e.g. of a carding or cleaning drum.
03/02/1994CN2157844Y Milling machine tool for groove of thread
03/01/1994US5289660 Method and apparatus for grinding non-circular workpiece
02/1994
02/24/1994DE4227195A1 Holder to support work articles and equaliser tolerances - comprises balls to fill void into which axial cylindrical element is pressed along central axis
02/23/1994CN2157300Y Bit grinding and draw-out machine
02/22/1994US5288185 Process and device for forming electrodes in a spot welding gun or the like
02/17/1994DE4330800A1 Centreless grinding equipment esp. for nozzle needles etc. - has workpiece held in V-notch of supporting block by spring loaded finger and rotated by belt bearing against side of workpiece opposite to grinding wheel
02/17/1994DE4300531C1 Producing piston rings - with the TOP side marked after production of the asymmetric running face
02/08/1994US5283982 Complex contour milling machine
02/02/1994CN1081405A Processing method and abrasive wheel thereof for worm couple with revolving envelop annular surface
02/01/1994US5283680 Optical connector assembly
02/01/1994US5282715 Needle transporting apparatus
01/1994
01/26/1994CN1023595C Electrospark lapping and polishing method and equipment thereof by using ultrasonic vibration
01/19/1994EP0579056A1 Optical fiber polishing apparatus
01/11/1994US5277000 Apparatus for grinding clothing, such as the clothing of a carding cylinder or cleaning cylinder
01/05/1994EP0576520A1 Method of and machine for grinding a workpiece
01/05/1994DE4313179A1 Surface preparation for circular workpieces - using grinding bands reciprocally moved between two sets of reels and with band tension control
01/04/1994US5274961 Apparatus for grinding cams
12/1993
12/29/1993EP0576043A2 Numerically controlled machine tool
12/29/1993CN2150970Y Grinding machine for internal hole of spline
12/29/1993CN2150969Y Grinding and preparing machine for steel pipe ingot
12/29/1993CN1079931A Rotary constant pressure spring grinder
12/22/1993EP0575084A1 Machine for grinding a belt
12/22/1993CN2150014Y Grinding machine for compound wrench
12/14/1993CA1325108C Self-centering arrangement for grinding the hardmetal pins of drill bits
12/09/1993CA2097964A1 System for forming and polishing grooves in glass panels
12/08/1993CN2148637Y Multi-function combined cutting machine
12/01/1993CN2147932Y High-efficiency rust remover
12/01/1993CN1078931A Ring Surface Worm Shaping method
11/1993
11/30/1993US5265381 Method for grinding ferrules for ribbon type optical fibers
11/30/1993US5265380 Cup grinding machine, in particular for grinding scissors parts
11/27/1993CA2093110A1 Nose piece retainer for abrasive belt backing shoe
11/25/1993WO1993023202A1 Apparatus for the buffing of edges on an elongated item
11/25/1993WO1993023200A1 Method for machining and forming a transcurrent opening in a fibre-reinforced composite material
11/25/1993WO1993023192A1 Method for machining and forming a pre-formed opening in a fibre-reinforced composite material
11/24/1993CN2147076Y Stain removing machine with new type spindle parts
11/18/1993DE4225259C1 Precision cam grinding machine - rotates grindstone on axis parallel to axis of rotation of camshaft while following cam profile
11/17/1993CN2146337Y Head-grinding machine
11/09/1993US5259150 Method for grinding cams
11/09/1993US5259146 Device and method for shaping the end of a rod
11/03/1993EP0567686A2 Method of machining silicon nitride ceramics and silicon nitride ceramics products
10/1993
10/27/1993CN2144560Y Planetary grinding device for vertical machine tool
10/27/1993CN2144559Y Hard metals grinding machine
10/26/1993US5256445 Rotating the tire, grinding and finishing the tire surface with grinder driven by shafts, applying the blue paint with a roller
10/21/1993DE4308800A1 CNC controlled spectacle lens rim grinder with coaxial half-shafts - uses grinding wheel movable in two directions for lens shaping, and milling or grinding tool for finishing of rim
10/13/1993EP0565486A1 Controlled card-clothing grinding
10/13/1993EP0564463A1 Machine for use in the manufacture of power steering valves.
10/13/1993EP0564462A1 A machine for use in the manufacture of vehicle power steering gears
10/13/1993CN1077154A Key-forming method and apparatus for sound board in mechanical music-playing device
10/13/1993CN1077153A Machining process of staggered-tooth tap
10/12/1993US5251405 Method for circumferential grinding of radially non-circular workpieces
09/1993
09/30/1993WO1993018888A1 Device for grinding linings, e.g. of a carding or cleaning drum
09/28/1993CA1322459C Abrasive wheel
09/28/1993CA1322458C Curved surface rubbing apparatus
09/28/1993CA1322457C Grinder for optical connector ferrule and method for grinding the ferrule
09/22/1993CN2142384Y Flexible rust-removing machine
09/22/1993CN1076396A Method for grinding shallow recessed arc curved surface
09/21/1993US5246093 Drum brake assembly
09/21/1993US5245792 Machining center for grinding workpieces with complex shaped surfaces
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
09/14/1993US5245684 Optical fiber assembly, method of manufacturing the same and optical fiber assembly connection using the same
09/14/1993US5243791 Polishing fixture and method for polishing light emitting devices
09/09/1993DE4207149A1 Reworking ceramic non-circular items - involves rotatable holder and profile roller with counter-profile to outer contour of item to be processed
09/02/1993DE4304684A1 Needle point grinding and polishing machine - has grinding and polishing wheels mounted side by side on common X-axis spindle and needle held in slide driven in X-Y axes by computer controlled motors
08/1993
08/26/1993DE4225260C1 Machine for fine grinding of camshaft cams - involves camshaft driven to rotate at predetermined rotation frequency around its axis with grinding stone pressed against cam orthogonally to camshaft axis
08/25/1993EP0557261A1 Apparatus for the manufacture of concrete columns
08/24/1993US5238041 Skiving equipment and method for recapping tire
08/19/1993WO1993015891A1 Method and apparatus for cutting wet concrete
08/17/1993US5235745 Method of repairing turbine blades on a rotor
08/10/1993US5234382 Belt deviation control apparatus
08/04/1993CN2139498Y Universal bit grinding machine
07/1993
07/21/1993EP0551630A1 Method of grinding a workpiece having plural cylindrical portions with plural grinding wheels
07/21/1993CN2138544Y Spring grinding head
07/20/1993US5229656 Optical comparator circuit
07/14/1993EP0423146B1 Grinding workpieces
07/07/1993CN2137580Y Multifunction precision abrading machine for gemstone
07/06/1993US5226101 Method of laser polishing fiber optic connectors
07/01/1993DE4223825A1 Fibre optical component mfr. - using holder with successively individually detachable attachments
06/1993
06/29/1993CA1319513C Apparatus and method for measuring and maintaining the profile of a railroad track rail
06/23/1993EP0547343A1 Method and apparatus for marring fiber optic substrates
06/15/1993US5218786 Apparatus for grinding ferrules for ribbon type optical fibers
06/09/1993CN2135426Y Bridge type guide rail automatic grinding and polishing machine
06/08/1993US5216846 Method and apparatus for grinding foremost end surface of a ferrule
06/08/1993CA1318790C Rail grinding apparatus
05/1993
05/27/1993WO1993009914A1 Process and device for triturating salvaged tyres and other objects made of rubber or plastics
05/26/1993EP0543079A1 Method for NC grinding the cam of a camshaft
05/19/1993CN2133406Y Vibrating grinder
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