| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 04/07/1998 | US5735013 Apparatus for cleaning optical fiber |
| 03/31/1998 | US5733181 Apparatus for polishing the notch of a wafer |
| 03/24/1998 | US5730647 Apparatus for fine-grinding a crankshaft |
| 03/17/1998 | US5727989 Method and apparatus for providing a workpiece with a convex tip |
| 03/12/1998 | DE19714672C1 Pressure beam for belt-type grinder |
| 03/11/1998 | EP0827441A1 Belt grinder with pivotable grinding unit and opposite supporting tables at different working heights |
| 03/10/1998 | US5725421 Apparatus for rotative abrading applications |
| 03/03/1998 | US5722877 Technique for improving within-wafer non-uniformity of material removal for performing CMP |
| 02/12/1998 | WO1998005473A1 Microfinishing machine |
| 01/21/1998 | EP0596083B1 Device with a grinder working in the transversal direction to the direction of passage of the workpieces and its use for frame grinding |
| 01/15/1998 | DE19627541A1 Accessory set for machine tool such as lathe, upright drill stand or countersink machine |
| 12/17/1997 | CN2270597Y Improved water mill polishing belt for grinding stone surface |
| 12/11/1997 | DE19724019A1 Device for structuring hard disk substrate with thin metal coating |
| 12/09/1997 | US5695391 Super finishing machine |
| 12/09/1997 | US5695386 Cleaning method using abrasive tape |
| 12/04/1997 | DE19700791A1 Adjustable self=oscillating roller |
| 12/04/1997 | DE19622116A1 Fine finishing procedure for workpieces |
| 12/04/1997 | DE19621690A1 Brick abrasion device for manufacture of flat bricks |
| 12/03/1997 | EP0810065A1 Brick grinding apparatus for manufacturing sized bricks |
| 12/02/1997 | US5692948 Grinding machine utilizing multiple, parallel, abrasive belts for simultaneously grinding surfaces on a workpiece |
| 12/02/1997 | US5692947 Linear polisher and method for semiconductor wafer planarization |
| 11/27/1997 | DE19620451A1 Belt grinding device for finishing two areas simultaneously on workpiece |
| 11/04/1997 | US5683291 Device for surface machining of workpieces |
| 10/29/1997 | EP0803324A1 A sanding machine, in particular for wooden panels |
| 10/22/1997 | EP0802019A1 Polishing, shining, sanding or similar machine with vertical built-up |
| 10/22/1997 | EP0802017A1 Device for honing shafts, particularly crankshafts |
| 10/15/1997 | EP0800439A1 Checking device for a microfinishing machine tool |
| 10/08/1997 | EP0708698B1 Process for manufacturing pistons, piston rods, as well as cylinders for hydraulic or pneumatic units |
| 10/08/1997 | CN2264059Y Sand belt floor polishing machine |
| 09/09/1997 | US5664991 Microfinishing and roller burnishing machine |
| 09/09/1997 | US5664985 Method and apparatus for texturizing disks |
| 09/04/1997 | WO1997031755A1 Apparatus for grinding surfaces |
| 09/04/1997 | WO1997031754A1 Apparatus for rotative abrading applications |
| 09/04/1997 | WO1997031753A1 Method of polishing end surface of optical connector and polishing machine therefor |
| 09/04/1997 | DE19607778A1 Vorrichtung zur Finish-Bearbeitung, insbesondere von Kurbel- oder Nockenwellen Apparatus for finish machining, especially crankshaft or camshaft |
| 09/04/1997 | DE19606739C1 Precision grinding machine for bearing surfaces of middle and lift bearings |
| 09/04/1997 | CA2250214A1 Apparatus for grinding surfaces |
| 09/04/1997 | CA2218377A1 Method for polishing optical connector end faces and machine for doing the same |
| 08/28/1997 | CA2185979A1 Apparatus for rotative abrading applications |
| 07/31/1997 | DE19602974A1 Finish grinding machine for bearing surfaces of shafts |
| 07/30/1997 | EP0757609A4 Microfinishing tool with axially variable machining effect |
| 07/29/1997 | US5651722 Machine and method for working butt weld seams on band |
| 07/29/1997 | US5651719 Tooling for abrasive belt machining of cylindrical bearing surfaces with provision for monitoring bearing surface diameter |
| 07/08/1997 | US5645471 Method of texturing a substrate using an abrasive article having multiple abrasive natures |
| 07/01/1997 | US5643044 Automatic chemical and mechanical polishing system for semiconductor wafers |
| 06/26/1997 | DE19615946A1 Method of machining axially mounted workpiece, especially helicoidal rotor of displacement pumps |
| 06/12/1997 | WO1997020660A1 Substrate belt polisher |
| 05/21/1997 | EP0774776A2 Process for recovering substrates |
| 05/13/1997 | US5628678 Shaft sanding device |
| 05/13/1997 | US5628676 Counter-balance for disk texturizing apparatus |
| 04/17/1997 | WO1997013615A1 Method and device for shaping a rotationally-symmetrical surface |
| 04/16/1997 | CN2252080Y Non-round grinding head |
| 04/15/1997 | US5620361 Sanding accessory and method |
| 04/08/1997 | US5618225 Abrasive attachment system for rotative abrading applications |
| 03/27/1997 | WO1997011484A1 Method of modifying an exposed surface of a semiconductor wafer |
| 03/27/1997 | CA2231159A1 Method of modifying an exposed surface of a semiconductor wafer |
| 03/25/1997 | US5613901 Apparatus for pressing a circulating grinding belt |
| 03/25/1997 | US5613900 Cleaning and descaling apparatus |
| 03/06/1997 | DE19601379A1 Device for pressing rotary grinding belt |
| 03/05/1997 | EP0653973B1 Belt grinder |
| 02/27/1997 | WO1997006927A1 Method of texturing a substrate using an abrasive article having multiple grit particles |
| 02/12/1997 | EP0757609A1 Microfinishing tool with axially variable machining effect |
| 02/05/1997 | CN1142208A Edge grinder for mechanically rounding off edges of structural members |
| 01/29/1997 | EP0755752A1 Method for finishing piston rings |
| 01/16/1997 | WO1997001419A1 Cleaning and descaling apparatus |
| 01/14/1997 | US5593345 Abrasive-belt conversion wheel for cylindrical grinders |
| 01/14/1997 | US5593344 Wafer polishing machine with fluid bearings and drive systems |
| 01/02/1997 | DE19523423A1 Method of machining stub weld seams for coils, esp. saw belts |
| 12/25/1996 | CN1138509A Abrasive machining apparatus equipped with device for facilitating replacement of abrasive tape |
| 12/24/1996 | US5586926 Method for texturing a metallic thin film |
| 12/17/1996 | US5584752 Grinding apparatus |
| 11/28/1996 | WO1996037339A1 Belt grinder with pivotable grinding unit and opposite supporting tables at different working heights |
| 11/28/1996 | DE19518373A1 Belt grinder machine |
| 11/21/1996 | DE19518048A1 Glass belt grinding machine |
| 11/19/1996 | US5575707 Polishing pad cluster for polishing a semiconductor wafer |
| 11/12/1996 | US5573444 Polishing method |
| 11/05/1996 | US5571042 Apparatus for producing hollow ground needles |
| 10/31/1996 | DE19515076A1 Precision finishing machine using band-fitted unit |
| 10/29/1996 | US5569063 Polishing apparatus |
| 10/02/1996 | EP0734308A1 Edge grinder for mechanically rounding off edges of structural members |
| 09/25/1996 | EP0733437A1 Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape |
| 09/24/1996 | US5558568 Wafer polishing machine with fluid bearings |
| 09/04/1996 | CN2234333Y Abrasive belt device |
| 08/27/1996 | US5549507 Combined motor and mechanical drive for use in oscillating spindle sander |
| 08/14/1996 | EP0725704A1 Grinding machine utilizing multiple, parallel, abrasive belts for simultaneously grinding surfaces on a workpiece |
| 08/13/1996 | US5545077 Belt grinder with a plate tensioning means |
| 08/07/1996 | CN2232336Y Hand abrasive belt abrader |
| 07/31/1996 | EP0723838A1 Method and apparatus for adjusting the band of a grinding machine |
| 07/23/1996 | US5538458 Device for grinding the surface of a cylinder, in particular the cylinder of a paper machine |
| 07/17/1996 | CN2231160Y Plate grinder |
| 07/16/1996 | US5536201 Apparatus for surface machining |
| 07/16/1996 | US5536198 Apparatus and method for on-site dressing and truing of sanding machine rubber-covered cylinders |
| 07/04/1996 | WO1996020068A1 Checking device for a microfinishing machine tool |
| 07/04/1996 | WO1996020067A1 Tapered bearing for drive drum assembly of grinding machine |
| 07/02/1996 | US5531631 Microfinishing tool with axially variable machining effect |
| 06/26/1996 | EP0624118B1 Divice for grinding a cylindrical surface, especially a roller of a paper machine |
| 06/25/1996 | US5529531 Tapered bearing for drive drum assembly of grinding machine utilizing multiple, parallel abrasive belts |
| 06/12/1996 | CN1124472A Method of providing a smooth surface on a substrate |
| 06/07/1996 | CA2137397A1 Cylinder surface finish pattern and an apparatus and method for finishing the surface of a cylindrical workpiece |
| 06/04/1996 | US5522762 Tool for applying surface coated abrasives for use on a machine for abrasion machining of cylindrical surfaces on workpieces |