| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 04/20/1993 | US5203117 Belt sander sanding mechanism |
| 04/07/1993 | EP0513223A4 Computer-controlled grinding machine for producing objects with complex shapes |
| 04/06/1993 | US5199220 Combination belt and disc sander |
| 04/01/1993 | DE4131523A1 Belt grinder with steplessly adjustable guide pulley alignment - has spindle end of one pulley mounted in two-co-axial eccentric bushes which can be rotated to adjust alignment |
| 03/26/1993 | CA2074294A1 Belt-grinding machine |
| 03/17/1993 | CN2128181Y Motor-driven abrasive cloth grinder |
| 03/17/1993 | CN1069923A Band-grinding machine |
| 03/17/1993 | CN1069922A Grind-device for grinding cylindric or spheric surface of drum, especially of drum of paper-machine |
| 03/16/1993 | US5193317 For treating surface faults and impurities |
| 03/16/1993 | US5193314 Computer controlled grinding machine for producing objects with complex shapes |
| 03/02/1993 | US5190271 In combination with a table of a power tool |
| 02/25/1993 | DE4227315A1 Machine for surface finishing of workpieces - has slide to support two endless grinding belts mounted in parallel within housing |
| 02/23/1993 | CA1313761C Grinding machine for grinding or rasping of rubber items |
| 02/18/1993 | WO1993002834A1 Grinder for grinding a cylindrical or spherical surface of a roll, especially a paper machine roll |
| 02/16/1993 | US5185963 Pivotal arm belt loading device |
| 02/16/1993 | US5185962 Belt roller adjustment device of belt sander |
| 02/16/1993 | US5185961 Method and apparatus for copy-grinding and finishing or cylindrical and spherical surfaces |
| 02/10/1993 | CA2074905A1 Belt/disc sander with dust pickup means |
| 02/10/1993 | CA2074874A1 Belt/disc sander with quick release and locking means for swingable bed |
| 02/09/1993 | US5184424 Self correcting belt tracking apparatus for widebelt abrasive grinding machine |
| 02/02/1993 | US5183441 Belt sander tensioner |
| 02/02/1993 | CA1313306C Size control shoe for microfinishing machine |
| 02/01/1993 | WO1993002835A1 Belt grinder |
| 02/01/1993 | CA2092994A1 Belt grinder |
| 01/19/1993 | US5179805 Sanding method and apparatus |
| 01/14/1993 | DE4121518A1 Abrasive band finishing process for crankshaft journals etc. - involves measurement of journal size before and after each grinding cycle to determine required number of cycles. |
| 01/12/1993 | US5177903 Method and apparatus for copy-grinding and finishing of cylindrical and spherical surfaces |
| 12/23/1992 | EP0519093A1 Procedure of and device for deburring of pipe end faces |
| 12/09/1992 | EP0517594A1 Polishing machine with a tensioned finishing belt and an improved work supporting head |
| 12/09/1992 | CN2124103U Cyclic strip cutting blade grinder |
| 12/08/1992 | US5168656 Belt/disc sander with quick release and locking means for swingable bed |
| 12/03/1992 | DE4118043A1 Belt grinding machine - has toothed belt drive to one of return pulleys of grinding belt |
| 11/24/1992 | US5165204 Tool holder assembly |
| 11/24/1992 | US5165203 Belt-grinding machine |
| 11/19/1992 | EP0513602A1 Automatic mechanical centering device for endless belts moving on rollers |
| 11/19/1992 | EP0513223A1 Computer-controlled grinding machine for producing objects with complex shapes |
| 11/17/1992 | US5163249 Guide for use in a grinding device |
| 11/12/1992 | DE4214347A1 Power wood-grinding machine - has grinding table and exhaustion head movable on three axes in relation to each other |
| 11/03/1992 | CA1309594C Superfinishing machine using lapping film |
| 10/28/1992 | CN2119987U Abrasive band polishing machine |
| 10/27/1992 | US5157872 Control apparatus for grinding machine |
| 10/21/1992 | EP0509744A2 Belt grinding assembly having pivoting means |
| 10/20/1992 | US5156257 Woodworking machine, such as a traversing sanding machine |
| 10/20/1992 | US5155943 Suture needle and method of an apparatus for grinding material for suture needle |
| 10/18/1992 | CA2064321A1 Belt grinding assembly having pivoting means |
| 10/04/1992 | CA2064452A1 Contact wheel and method |
| 09/22/1992 | US5148636 Size control shoe for microfinishing machine |
| 09/22/1992 | US5148635 Method and apparatus hydraulic turbine repair |
| 09/16/1992 | EP0504073A1 Ski dressing apparatus |
| 09/16/1992 | CN2115863U Swing type flat dust catching grinding machine |
| 09/16/1992 | CN1064433A Method and equipment for finishing space spiral curved surface |
| 09/16/1992 | CN1018251B Polishing method for magnetic head, and polishing machine |
| 09/09/1992 | CA2062297A1 Ski sander |
| 09/01/1992 | US5142827 Crankpin grinder and method |
| 08/27/1992 | DE4105799A1 Grinding outer surface of tube - using two spaced abrasive bands wrapped round tube and reciprocated out of phase by linear end drives |
| 08/25/1992 | US5140775 Belt grinding assembly |
| 08/19/1992 | EP0499371A1 Manufacture of laminated windows |
| 08/19/1992 | EP0499334A1 Surface processing device |
| 08/19/1992 | EP0499085A1 Tyre grinding |
| 08/18/1992 | US5139538 Filling a mold which conforms to wood profile with a mixture of calcium silicate, phosphoric acid solution and a metal oxide and curing to form a ceramic for use in wood sanding |
| 07/28/1992 | US5133156 Adjustable belt sander for wood |
| 07/22/1992 | EP0495691A1 Cylindrical grinding machine |
| 07/16/1992 | DE4200350A1 Abrasive coated belts - comprise flexible substrate and abrasive agent layer contg. three types of abrasive grains of specified sizes and hardnesses |
| 07/16/1992 | DE4120336C1 Belt grinding or separating machine - has solid reversing rollers with firmly fixed shaft stubs for fitting into machine frame bearings |
| 07/07/1992 | US5127195 Profile grinding machine and method |
| 06/23/1992 | US5123933 Applying lapping tape having abrasive particles of diamond and aluminium oxide or silicon carbide; minimization or surface roughness |
| 06/03/1992 | EP0488688A2 Endless belt deviation preventing unit and belt processing apparatus employing the same unit |
| 06/03/1992 | EP0488143A1 Method for ceramic wave foot grinding |
| 05/27/1992 | EP0486696A1 Surface grinder for glass plate |
| 05/06/1992 | EP0484303A1 A sanding machine for timber boards |
| 05/05/1992 | US5109632 Automatic interlayer trimming |
| 04/29/1992 | EP0483064A1 Machining centre for grinding workpieces with complex formed surfaces |
| 04/07/1992 | US5101600 Phosphate ceramic backing blocks and their preparation |
| 04/01/1992 | EP0477737A1 Belt grinding machine |
| 03/31/1992 | US5099615 Automated rigid-disk finishing system providing in-line process control |
| 03/25/1992 | CN1015968B Superfinishing apparatus using lapping film |
| 03/24/1992 | US5097636 Edge belt sander with swingable dust hood |
| 03/22/1992 | WO1992005013A1 Polisher |
| 03/22/1992 | CA2092200A1 Polisher |
| 03/19/1992 | DE4029129A1 Abrasive belt attachment for camshaft grinder - is fastened to infeed slide and moves to=and=fro as one unit to produce cam profile |
| 03/18/1992 | EP0475316A1 Gas turbine engine blade platform trimmer |
| 03/17/1992 | US5095663 Size control shoe for microfinishing machine |
| 03/12/1992 | DE4028740A1 Belt-type machine for smoothing chipboard panels - has hydraulic or pneumatic device to align board with belts |
| 03/10/1992 | US5094036 Wide-belt sander machine |
| 03/10/1992 | US5094035 Automatic lapping device for magnetic drum of magnetographic printing machine |
| 03/05/1992 | WO1992003258A1 An apparatus for grinding, polishing etc. of workpieces |
| 03/04/1992 | CN2097714U Strip sander |
| 03/03/1992 | US5092081 Five-way adjustable form block holder with float capabilities |
| 02/27/1992 | DE4103699A1 Robotic grinder control for treatment of flawed surfaces - producing rotationally symmetric depressions with continuous smooth transitions into untreated metal areas of highly stressed components |
| 02/20/1992 | DE4104459C1 Grinding machine for plates - uses flexible grinding belts engaging support rings on bottom of plates |
| 02/18/1992 | US5088240 Automated rigid-disk finishing system providing in-line process control |
| 02/13/1992 | DE4116746A1 Surface preparation rig for flat workpieces e.g. wooden veneer - has slider supports for grinding belt, individually adjustable via servo cylinders |
| 02/06/1992 | DE4114819C1 Flat belt grinding machine - uses hose-shaped inflatable cushion to apply pressure to belt |
| 02/06/1992 | DE4024655A1 Machine for grinding crankshaft fillet radii etc. - has vertically oscillating abrasive pads pressed against rotary crankshaft |
| 02/04/1992 | US5085010 Contact roll for belt grinding machines |
| 01/08/1992 | CN2092401U Multipe function grinding arrangement with sand belt |
| 01/02/1992 | DE4102949A1 Grinding depressions in flat surfaces - involves grinding belt guided by spherical roller |
| 12/26/1991 | WO1991019593A1 Surface grinder for glass plate |
| 11/27/1991 | EP0458726A1 Woodworking machine, such as a traversing sanding machine |
| 11/23/1991 | WO1991017864A1 Woodworking machine, such as a traversing sanding machine |