| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 06/09/1999 | EP0920956A2 Polishing apparatus and method |
| 06/09/1999 | EP0920954A2 Method and apparatus for bevelling pieces of cut glass |
| 06/08/1999 | CA2146955C Mechanical drive for dual motion motor used in oscillating spindle sander |
| 06/02/1999 | EP0919330A1 Polishing pad cluster for polishing a semiconductor wafer |
| 06/02/1999 | CA2217783A1 Belt-type skate sharpening apparatus |
| 05/19/1999 | EP0916452A2 Method and apparatus for polishing semiconductor wafers |
| 05/19/1999 | EP0916451A2 Method and apparatus for polishing semiconductor wafer |
| 05/19/1999 | EP0915747A1 Metal part having external surface with particular profile, polishing method for its production and device for implementing the method |
| 05/12/1999 | EP0914907A2 Polishing member support and polishing method |
| 05/12/1999 | EP0914906A2 Polishing tool support and related method |
| 05/12/1999 | EP0914905A2 Wafer polishing apparatus and method |
| 05/12/1999 | CN2317991Y Sanding grinder |
| 05/06/1999 | EP0913232A1 Apparatus for machining cylindrical surfaces |
| 05/04/1999 | US5899794 Method for polishing or texturing a magnetic disc |
| 04/15/1999 | DE19809486C1 Apparatus for removal of the coating of magnetic tapes. |
| 04/06/1999 | US5890952 Metal finishing apparatus and process |
| 04/06/1999 | CA2145876C Locking mechanism for multiple belt grinding machine |
| 04/01/1999 | WO1999015313A1 Belt-type grinding machine with a reclinable grinding unit and integrated flip-type stops |
| 03/30/1999 | US5888123 Automatic golf club grinder |
| 03/24/1999 | CN2311335Y Woodworking sander |
| 03/23/1999 | US5885143 Disk texturing apparatus |
| 03/18/1999 | DE19740925A1 Belt-type grinder |
| 03/04/1999 | WO1999010569A1 Combination electrolytic polishing and polishing and texturing machine and the combination electrolytic polishing and polishing and texturing tape used in the said machine |
| 02/24/1999 | CN2308471Y Woodworking polishing machine |
| 02/17/1999 | EP0896856A1 Machine tool especially for superfinishing of cylindrical surfaces of revolution by means of a tangential running grinding belt |
| 02/16/1999 | US5871390 Method and apparatus for aligning and tensioning a pad/belt used in linear planarization for chemical mechanical polishing |
| 02/11/1999 | WO1999006182A1 Polishing semiconductor wafers |
| 02/11/1999 | DE19829690A1 Super finishing machinery using abrasive film, for finishing complex shaped objects which are difficult to mould e.g. crank |
| 02/09/1999 | US5868857 Rotating belt wafer edge cleaning apparatus |
| 02/02/1999 | US5865669 Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape |
| 01/27/1999 | EP0893203A2 Method and apparatus for in-situ end-point detection and optimization of a chemical-mechanical polishing process using a linear polisher |
| 01/26/1999 | US5863609 Abrading an amorphous coating of a magnetic disk to produce by melting nickel particles and crystal of nickel phosphide in grooves and on the surface to improve the adhesion of ferromagnetic materials and the magnification thereof |
| 01/26/1999 | US5863239 Microfinishing and roller burnishing machine |
| 01/19/1999 | US5860854 Belt sander with a lateral drift prevention device |
| 01/13/1999 | EP0890415A2 Apparatus for surface machining of cast or rolled material like slabs or strips |
| 01/13/1999 | CN1204566A Method for polishing surface of ceramic arc panel and resinder for cambered surface vitrolite |
| 01/12/1999 | US5857895 Checking device for a microfinishing machine tool |
| 01/06/1999 | CN2302872Y Three-grinding belt type machine for grinding floor pieces |
| 01/05/1999 | US5855735 Inducing microfractures using rotating pads, abrasive slurries |
| 12/30/1998 | EP0887150A2 Belt grinding tool |
| 12/24/1998 | DE19821259A1 Tool-insert for grinding round work |
| 12/23/1998 | CN2301292Y Cutting wheel for emery cloth polishing machine |
| 12/23/1998 | CN1202406A Inflated polishing machine |
| 12/16/1998 | CN2300479Y Roll shaving machine for abrasive machine |
| 12/10/1998 | WO1998055260A1 Metal part having external surface with particular profile, polishing method for its production and device for implementing the method |
| 12/10/1998 | DE19723306A1 Polishing or grinding end faces of stone or concrete slabs |
| 12/09/1998 | EP0882549A1 Belt grinding machine for cylindrical shaft bearings |
| 12/03/1998 | DE19822495A1 Procedure for processing spherical mirror surfaces |
| 12/02/1998 | CN1200319A Lapping tape |
| 12/01/1998 | US5842911 Method of making pistons and piston rods as well as cylinders for hydraulic or pneumatic apparatus |
| 11/11/1998 | EP0734308B1 Edge grinder for mechanically rounding off edges of structural members |
| 11/05/1998 | WO1998048977A1 Roll with surface coating |
| 11/05/1998 | CA2288110A1 Roll with surface coating |
| 11/03/1998 | US5830046 Belt shifting idler pulley for reciprocating an abrasive belt |
| 10/29/1998 | DE19717336A1 Belt grinder especially for cylindrical workpieces, with continuous grinding belt |
| 10/28/1998 | EP0873821A2 Lapping tape |
| 10/28/1998 | EP0873820A2 Laping tape |
| 10/28/1998 | CN2295562Y Centreless sand-belt grinder |
| 10/28/1998 | CN1197543A Method of modifying an exposed surface of semiconductor wafer |
| 10/15/1998 | WO1998045090A1 Polishing media magazine for improved polishing |
| 10/15/1998 | WO1998045088A1 A grinding device |
| 10/14/1998 | EP0870575A2 Abrasive-band grinding device for rolls and a method for the control of an abrasive-band grinding device in the grinding of the faces of crowned rolls |
| 10/14/1998 | CN1195595A Apparatus and method for polishing flat surface using belted polishing pad |
| 10/13/1998 | US5820446 Apparatus and method for texturing rigid-disk substrates |
| 10/10/1998 | CA2234487A1 Abrasive-band grinding device for rolls and a method for the control of an abrasive-band grinding device in the grinding of the faces of crowned rolls |
| 10/07/1998 | EP0868258A1 Substrate belt polisher |
| 10/01/1998 | DE19712385A1 Edge sanding machine especially for shaping wooden workpieces |
| 09/22/1998 | US5810964 Chemical mechanical polishing device for a semiconductor wafer |
| 09/22/1998 | US5810645 Apparatus for producing hollow ground needles |
| 09/16/1998 | CN2291253Y Air-bag finshing pad of sander |
| 09/09/1998 | CN1192713A Method of texturing substrate using an abrasive article having multiple grit particles |
| 09/08/1998 | US5803796 Surface polishing tool |
| 08/26/1998 | EP0860239A2 Apparatus and method for polishing a flat surface using a belted polishing pad |
| 08/25/1998 | US5798164 Zone textured magnetic recording media |
| 08/20/1998 | WO1998036442A2 Integrated pad and belt for chemical mechanical polishing |
| 08/20/1998 | WO1998035786A1 Intergrated pad and belt for chemical mechanical polishing |
| 08/20/1998 | WO1998035785A1 Integrated pad and belt for chemical mechanical polishing |
| 08/12/1998 | EP0675780B1 Workpiece grinding apparatus and method |
| 08/12/1998 | CN1190049A Portable abrasive belt grinding machine |
| 08/11/1998 | US5791969 System and method of automatically polishing semiconductor wafers |
| 08/05/1998 | EP0856379A1 Grinding belt assembly for machining a cylindrical bearing surface on a workpiece |
| 07/08/1998 | EP0852063A1 Method of modifying an exposed surface of a semiconductor wafer |
| 07/07/1998 | US5775978 Method for the fine machining of piston rings and apparatus for carrying out same |
| 07/02/1998 | WO1998028101A1 Texturing and electro-deburring of magnetic disk substrate |
| 07/01/1998 | EP0850722A1 Belt grinding machine for internal surfaces of rotational symmetrical workpieces |
| 06/25/1998 | WO1998026901A1 Improved microfinishing machine |
| 06/25/1998 | DE19650155C1 Fine finishing machine for workpieces |
| 06/25/1998 | CA2275457A1 Improved microfinishing machine |
| 06/10/1998 | EP0846525A1 Method for edge grinding of glass plates |
| 06/09/1998 | US5762542 Edge grinder for mechanically rounding off edges of structural members |
| 06/09/1998 | US5762536 Sensors for a linear polisher |
| 06/09/1998 | CA2081699C Crankpin grinder |
| 05/27/1998 | EP0844049A2 Grinding machine utilizing multiple, parallel, abrasive belts for simultaneously grinding surfaces on a workpiece |
| 05/27/1998 | EP0843612A1 Method of texturing a substrate using an abrasive article having multiple grit particles |
| 05/26/1998 | US5755615 Lapping apparatus |
| 05/07/1998 | WO1998018595A1 Device for removing superfluous particles from manufactured parts |
| 05/07/1998 | DE19749887A1 Deflection attachment for round grinding machines |
| 04/21/1998 | US5741174 Multiple grinding machine with contouring feed units |
| 04/14/1998 | US5738576 Lapping tape with abrasive liquid for forming a convex tip on a workpiece |
| 04/07/1998 | US5735733 Drum sanding apparatus |