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Class Information
Number: 451/195
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Opposed abrading tools > Alternating tools
Description: Abrading machine in which abrading tools act in alternation upon a relatively stationary workpiece.










Sub-classes under this class:

Class Number Class Name Patents
451/196 Blade sharpener 13


Patents under this class:

Patent Number Title Of Patent Date Issued
8579676 Grinding machine Nov. 12, 2013
8562391 Finishing machine with stone rotating unit Oct. 22, 2013
8535118 Multi-spindle chemical mechanical planarization tool Sep. 17, 2013
8523634 Method for the grinding of a profile of a workpiece Sep. 3, 2013
8523635 Tire buffing debris collecting system Sep. 3, 2013
8403728 Coarse and fine grinding/polishing machine Mar. 26, 2013
8277284 Ice skate blade sharpening machines and associated method of dressing a grinding wheel Oct. 2, 2012
8231434 Grinding machine, particularly a high-speed grinding machine Jul. 31, 2012
7500486 Fingernail sander Mar. 10, 2009
7147547 Method and device for grinding a rotationally symmetric machine part Dec. 12, 2006
7125312 Rotor-grinding machine comprising a rotary head with two grinding wheels Oct. 24, 2006
6811473 Process for machining a wafer-like workpiece Nov. 2, 2004
6652359 Flat surface grinding machine with a second wheelhead for machining broaches Nov. 25, 2003
6595835 CD refacing system Jul. 22, 2003
6485357 Dual-feed single column double-disk grinding machine Nov. 26, 2002
6220927 Lens grinding apparatus Apr. 24, 2001
6200200 Method and device for non-circular grinding of cam shapes with concave flanks Mar. 13, 2001
6019023 Cutting machine using a rotary wheel for cutting a flexible material consisting of a single sheet or a small mat of sheets, and method for adjusting said machine Feb. 1, 2000
5909906 Glass plate automatic drilling and milling machine Jun. 8, 1999
5241791 Edge tool sharpening apparatus Sep. 7, 1993
4862645 Chamfering machine Sep. 5, 1989
4854081 Device for treating printed circuit boards, in particular for pumicing and trimming Aug. 8, 1989
4583326 Abrading machine for abrading a welded seam in an elongated workpiece Apr. 22, 1986
4380990 Portable core drill cutter for hard brittle sheets Apr. 26, 1983
4208229 System for repairing panes of glass Jun. 17, 1980
4198790 Method for finishing spherical rollers Apr. 22, 1980
4073094 Method and apparatus for repairing a crack in a pane of plate glass Feb. 14, 1978
4008545 Machine for preworking overlapping abrasive coated belt joint Feb. 22, 1977











 
 
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