| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
|---|
| 09/22/1981 | US4290240 Automatic equalizer for abrasive belt |
| 09/03/1981 | WO1981002403A1 Turbine blade tip finishing apparatus and method |
| 08/04/1981 | US4281483 Method of curving supporting surfaces of driving belt elements |
| 06/09/1981 | CA1102554A1 Abrading apparatus having induced air |
| 05/26/1981 | US4268998 Belt sander for sanding external and internal surfaces |
| 05/19/1981 | US4267690 Disc reel mower and method and means of manufacturing the same |
| 05/19/1981 | US4267671 Positioning of an abrasive belt on a grinding machine |
| 04/21/1981 | US4262455 Head positioning for a belt grinder |
| 03/31/1981 | US4258506 Apparatus for scale and slag removal |
| 03/24/1981 | US4257195 Deburring and chamfering fixture |
| 03/10/1981 | US4254585 Process and apparatus for the surface treatment of flexible magnetic recording media |
| 12/23/1980 | US4240231 Rectilinear work finishing apparatus |
| 12/23/1980 | CA1091930A1 Combination ram biased board hold-down exhaust infeed |
| 11/25/1980 | CA1090135A1 Vertically shiftable belt cleaner |
| 11/04/1980 | US4231193 Vertical belt sanding apparatus |
| 09/09/1980 | CA1085171A1 Belt centering and replacement mechanism for belt sanders and the like |
| 09/02/1980 | US4219974 Copy-grinding apparatus |
| 06/03/1980 | US4205490 Vertically shiftable belt cleaner |
| 05/27/1980 | US4204371 Tool sharpening fixture for a grinding tool |
| 05/20/1980 | US4203261 Abrasive belt machining apparatus |
| 02/26/1980 | US4189872 Abrading apparatus and method having induced air |
| 02/12/1980 | US4187645 Reactive system for accommodating belt stretch and tracking |
| 01/23/1980 | EP0007172A1 A belt tracking mechanism e.g. for a belt sander |
| 12/18/1979 | US4178721 Apparatus for sizing and finishing batches of lumber |
| 12/11/1979 | US4177609 Automatic belt centering device |
| 11/27/1979 | US4175358 Plunge-grinder, especially for grinding the cams of engine timing shafts |
| 08/08/1979 | EP0003346A1 Apparatus for smoothing the surface of record carrier tapes |
| 06/05/1979 | CA1055707A1 Belt grinder |
| 05/30/1979 | EP0002145A1 Grinding machine with a narrow belt |
| 05/22/1979 | CA1054798A1 Wide abrasive belt tension and oscillation assembly |
| 05/01/1979 | US4151705 Combination ram biased board hold-down and exhaust infeed |
| 03/27/1979 | US4145846 Contour belt grinding device |
| 02/06/1979 | US4137673 Ski dressing apparatus |
| 11/14/1978 | CA1042213A1 Random contoured surface sander |
| 11/14/1978 | CA1042212A1 Knife sharpening machine with abrasive belt |
| 09/26/1978 | US4115957 Belt centering and replacement mechanism for belt sanders and the like |
| 09/12/1978 | US4112628 Duplicating grinding machine |
| 08/29/1978 | US4109422 Sander cleaning process |
| 08/22/1978 | US4108584 Fluff distributor |
| 05/30/1978 | US4091574 Tool sharpening fixture for a grinding tool |
| 05/30/1978 | US4091573 Machine for grinding the edge areas of formed parts |
| 04/25/1978 | US4085550 Apparatus for abrasively treating insulation products |
| 04/25/1978 | US4085548 Apparatus for manufacture of insulation products |
| 04/18/1978 | US4084356 Method of finishing a random contoured surface |
| 02/28/1978 | US4075791 Automatic copying belt grinding machine |
| 01/03/1978 | US4065879 Turbine vane air-foil surface grinder |
| 10/04/1977 | US4051636 Method and apparatus for grinding turbine and compressor blades to dimension |
| 09/20/1977 | US4048761 Paper stick pointing apparatus |
| 08/23/1977 | US4043083 Sanding tool |
| 08/23/1977 | US4043082 Knife sharpening machine with an abrasive belt |
| 08/02/1977 | US4038785 Method and apparatus for transferring and operating on articles |
| 08/02/1977 | US4038784 Method and apparatus for cross grain abrading to produce a rough-sawn effect |
| 07/26/1977 | US4037366 Profile sander |
| 07/19/1977 | US4036275 Tire stripping apparatus |
| 07/12/1977 | US4034522 Portable belt sander stand |
| 06/28/1977 | US4031669 Automatic profiling machine |
| 06/28/1977 | US4031668 Sanding machine for anatomically contoured wooden chair seats and the like |
| 06/14/1977 | US4028788 Method of refurbishing turbine blade air seal flanges |
| 05/10/1977 | US4021970 Wide abrasive belt tension and oscillation assembly |
| 05/10/1977 | US4021969 Observable workpiece abrading machine |
| 04/12/1977 | US4016683 Turbine blade edge grinder |
| 04/05/1977 | US4015370 Machine for grinding of peripheral surfaces on work pieces |
| 02/22/1977 | US4008545 Machine for preworking overlapping abrasive coated belt joint |
| 01/04/1977 | US4000583 Belt-type abrader with means to compensate for tool wear |
| 12/07/1976 | US3995399 Wide belt grinding machine includng means to relieve tension on the belt in case of power failure |
| 10/26/1976 | US3988126 Machine for resurfacing turbine vanes |
| 10/05/1976 | US3984212 Turbine blade air seal, side grinder |
| 08/31/1976 | US3977133 Method of finishing a foil |
| 08/03/1976 | US3972152 Band-type polisher |
| 07/27/1976 | US3971166 Belt position sensor for wide belt sanding machine |
| 07/27/1976 | US3971163 Abrasive tape apparatus for contouring a flexible lens |
| 07/20/1976 | US3969848 Turbine blade air seal edge grinder |
| 05/18/1976 | US3956857 Ice skate blade sharpening machine |
| 03/23/1976 | US3945154 Grinding apparatus and indexing and control means therefor |
| 03/09/1976 | US3942288 System for shaping and finishing wood chair seats |
| 02/24/1976 | US3939611 Workpiece feeding apparatus, especially for machining equipment |