| Patents for B24B 19 - Single purpose machines or devices for particular grinding operations not covered by any other main group (7,169) |
|---|
| 08/07/1990 | US4945683 Abrasive belt grinding machine |
| 07/26/1990 | WO1990008012A1 Apparatus and method for measuring and maintaining the profile of a railroad track rail |
| 07/17/1990 | US4941294 Grinding machine for belt materials |
| 07/17/1990 | US4941290 Apparatus for removing photographic images from a film member |
| 07/03/1990 | US4938201 Saw for cutting uncured concrete |
| 06/20/1990 | EP0373475A1 Method of producing microgrooves in an orientation layer for liquid crystals, and device for carrying out the method |
| 06/19/1990 | US4934882 Apparatus for monitoring the angular position of a workpiece |
| 06/13/1990 | DE3840886A1 Press-on device for grinding and polishing belts |
| 06/12/1990 | CA1270185A1 Production of paper with decorative, non-rectilinear edges |
| 06/07/1990 | DE3840596A1 Grinding machine, in particular precision-grinding machine |
| 06/06/1990 | EP0371833A1 Method of and device for finishing a spherical, concave bearing surface on a roller segment, in particular for a homokinetic joint |
| 06/05/1990 | US4930263 Method of forming a bar code |
| 05/29/1990 | US4928662 Skid plate for cutting unhardened concrete |
| 05/23/1990 | EP0369849A1 Methods and precision-positioning device for a roller segment to finish its rolling surface, and method to work the supporting spots of this device |
| 05/23/1990 | EP0369562A2 Apparatus for machining plate-glass |
| 05/17/1990 | DE3838262A1 Apparatus for pointing or sharpening bar- or wire-shaped workpieces having a substantially round profile |
| 05/10/1990 | DE3930379A1 Flat item-sharpening mechanism - has magnets below inclined supports over which endless belts run |
| 05/09/1990 | CN1041902A Self-centering arrangment for grinding hardmetal pins of drill bits |
| 05/03/1990 | WO1990004801A1 Optical connector device |
| 05/03/1990 | WO1990004495A1 Machine tool for grinding the helical grooves of a cutting instrument |
| 05/02/1990 | EP0366023A1 Linear ball sleeve |
| 04/26/1990 | DE3838898A1 Grinding machine for ceramic material |
| 04/25/1990 | EP0365497A2 A self-centering arrangement for grinding the hardmetal pins of drill bits |
| 04/24/1990 | US4918862 For use in a speed change device |
| 04/10/1990 | US4914872 Apparatus and method for selectively contouring an airfoil root |
| 04/10/1990 | US4914867 Apparatus for processing end face optical fiber connector |
| 04/10/1990 | US4914866 Apparatus for adjusting optical fiber connector components |
| 03/27/1990 | US4910924 For use with a clamping means |
| 03/21/1990 | CN2054733U Screw tap grinding machine |
| 03/15/1990 | DE3830202A1 Glass-pane drive with constant feed rate in all grinding regions |
| 03/13/1990 | US4907374 Wheelhead for grinding machines |
| 03/13/1990 | US4907371 Automatic polishing machine |
| 03/07/1990 | CN2053968U Microcomputer digital-controlled copy-less grinder for grinding camshaft |
| 03/06/1990 | US4905418 Process for grinding cams of a camshaft |
| 03/06/1990 | US4905415 Fiber optic terminus grinding and polishing machine |
| 03/01/1990 | DE3916755A1 Hollow knife handle end-grinding machine - turns handle by sprocket and chain and maintains constant grinding pressure |
| 02/28/1990 | EP0355904A2 Grinding or polishing spindle with a hydrostatic bearing |
| 02/22/1990 | DE3828370A1 Machining method, in particular grinding and polishing for turbine blades or suchlike workpieces, for avoiding deflection as a result of the machining pressure through the use of a counterpressure roller |
| 02/20/1990 | US4902951 Numerically controlled machine tool |
| 01/31/1990 | EP0352725A2 Numerical controller for machining a non-circular workpiece |
| 01/31/1990 | EP0352709A2 Method and apparatus for forming curved surface |
| 01/18/1990 | DE3841976C1 Machine for the two-stage finish-machining of camshafts |
| 01/17/1990 | CN2051145U Device for processing one-way oil-wedge taper-shape sliding bearing |
| 01/09/1990 | US4891914 Computer controlled universal grinder and method for grinding trochoidal and circular bearing races |
| 01/02/1990 | US4890419 Device for grinding cutting tools having straight and spiral grooves |
| 12/26/1989 | US4889675 Method for cutting unhardened concrete with a soft concrete saw |
| 12/21/1989 | DE3829648A1 Method for producing grooves in cylindrical rolls and grinding machine for carrying out the method |
| 12/21/1989 | DE3810641A1 Method and device for machining a workpiece |
| 12/20/1989 | EP0347118A1 Optical connector |
| 12/14/1989 | WO1989011952A1 Grinding workpieces |
| 12/13/1989 | CN2049228U Multipurpose rolling and grinding machine for card clothing |
| 12/12/1989 | US4885874 Method of grinding two or more cams of a camshaft |
| 12/12/1989 | US4885873 Abrading apparatus for spherically shaping workpieces |
| 12/05/1989 | US4885051 Optically controlled dimpler for preparation of ultrathin samples |
| 12/05/1989 | US4884373 Numerically controlled machine tool |
| 11/29/1989 | EP0343243A1 Device for the finishing of parts |
| 11/23/1989 | EP0342528A2 Method of grinding the cams of a camshaft |
| 11/23/1989 | DE3817259A1 Method and device for machining bores |
| 11/16/1989 | WO1989011111A1 Fluoride glass optical coupler component, coupler, and methods |
| 11/15/1989 | EP0341912A1 Fluoride glass optical coupler component, coupler, and methods |
| 11/14/1989 | US4879844 Apparatus and methods for sharpening points |
| 11/02/1989 | EP0339293A2 Method for grinding cams of a camshaft |
| 10/12/1989 | DE3911769C1 Hydrostatic bearing for tool spindle - is fed with pressure medium which acts as coolant for grinding tool |
| 10/12/1989 | DE3910488A1 Lapping belt |
| 10/11/1989 | EP0336312A2 Computer controlled universal grinder and method for grinding hypotrochoidal, epitrochoidal and circular bearing races |
| 10/10/1989 | US4872290 Glassware grinding and/or polishing apparatus |
| 10/05/1989 | DE3909785A1 Method for grinding a polygonal cone on a numerically controlled grinding machine |
| 10/04/1989 | EP0335255A2 Method for grinding a polygon cone on an NC grinding machine |
| 10/04/1989 | CN1036053A Grinding of card clothing |
| 09/27/1989 | EP0334345A2 Method for grinding cames of a camshaft |
| 09/26/1989 | US4869028 Methods for sharpening points |
| 09/21/1989 | WO1989008788A1 Fixing system |
| 09/21/1989 | DE3807780A1 Installation for cleaning the foot or the underside of ceramic products |
| 09/20/1989 | EP0332671A1 Cutting tool, in particular drill and/or milling cutter and its process for producing it |
| 09/14/1989 | DE3806859A1 Method for grinding and polishing standing edges of porcelain or ceramic articles and apparatus for carrying out the method |
| 09/12/1989 | US4864776 Rail grinding apparatus |
| 09/07/1989 | DE3831337A1 Method of manufacturing a machine consisting of two components in engagement with one another, in particular a displacement machine working according to the spiral principle |
| 09/05/1989 | US4862575 Method and apparatus for finishing grooved articles |
| 08/30/1989 | EP0330085A2 Method for manufacturing a machine composed of two interengaging elements, particularly a spiral-type compressor |
| 08/30/1989 | EP0329740A1 Drive mechanism for producing planetary motion |
| 08/24/1989 | DE3904686C1 CNC-machine for grinding workpieces with curved surfaces, in particular turbine blades, and also for grinding and polishing decorative grooves on hollow glassware or similar workpieces |
| 08/23/1989 | EP0329080A2 Numerical control apparatus for machining non-circular workpieces |
| 08/23/1989 | EP0328575A1 Apparatus for polishing an optical fiber. |
| 08/16/1989 | EP0328107A2 Method and apparatus for the CNC grinding of decorative surfaces, decorative grooves or the like |
| 08/15/1989 | US4856235 Method of making a bi-directional wear sleeve |
| 08/09/1989 | EP0326703A1 Device for cylindrical and/or profile grinding |
| 08/08/1989 | US4854088 In-track rail base grinding method |
| 07/26/1989 | EP0325495A2 Method and apparatus for grinding aerofoil surfaces |
| 07/26/1989 | EP0325424A2 Aeroplane window polishing device |
| 07/26/1989 | CN2041605U Finishing machine for valve clack |
| 07/25/1989 | US4850664 Connector for optical fiber |
| 07/25/1989 | US4850148 Method of and apparatus for polishing a fiber |
| 07/25/1989 | US4850147 Electrode shaping |
| 07/22/1989 | USRE32979 Device for the in situ reprofiling of the head of at least one rail of a railroad track |
| 07/19/1989 | EP0324031A1 Method and apparatus for forming a curved slot |
| 07/18/1989 | US4848038 Method for grinding a non-circular workpiece |
| 07/13/1989 | DE3740936A1 Grinding and polishing tool with flexible ring part for controlling the grinding and polishing pressure between workpiece and tool |
| 07/12/1989 | CN2040836U Internal spline and key flank grinding machine |
| 07/05/1989 | EP0322637A1 Card clothing grinding |
| 07/04/1989 | CA1256701A1 Grinding robot |