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Class Information
Number: 451/221
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Work rotating > Rotary work holder
Description: Abrading machine including a rotary workpiece gripping means for rotating with the work during the abrading operation.










Patents under this class:

Patent Number Title Of Patent Date Issued
7988531 Grinding machine Aug. 2, 2011
7121919 Chemical mechanical polishing system and process Oct. 17, 2006
6685536 Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method Feb. 3, 2004
6592430 High-precision machining system Jul. 15, 2003
6358115 Dicing apparatus Mar. 19, 2002
6203401 Device for superfinishing treated surfaces Mar. 20, 2001
6200204 Roll grinder with vibration dampening Mar. 13, 2001
6190242 Universal grinding machine Feb. 20, 2001
5839944 Apparatus deterministic magnetorheological finishing of workpieces Nov. 24, 1998
5800249 Fiber shaper Sep. 1, 1998
5738572 Grinding machine Apr. 14, 1998
5738564 Numerically controlled grinding machine for grinding workpieces, in particular tools Apr. 14, 1998
5727990 Method for mirror-polishing chamfered portion of wafer and mirror-polishing apparatus Mar. 17, 1998
5187900 Auxiliary device for a machine tool Feb. 23, 1993
5035086 Cylindrical grinding machine suitable for use on the rolls of a rolling mill or the like Jul. 30, 1991
4989377 Apparatus for internal grinding Feb. 5, 1991
4989378 Method for internal grinding Feb. 5, 1991
4850146 Apparatus for grinding a workpiece Jul. 25, 1989
4813186 Apparatus for converting a compressed air operating pulse to a hydraulic operating pulse for a grinding machine especially for a precision griding machine Mar. 21, 1989
4672776 Circular blade sharpening device Jun. 16, 1987
4580367 Abrading apparatus Apr. 8, 1986
4510716 Grinding machine having improved dressing means Apr. 16, 1985
4468891 Machine for point grinding drills Sep. 4, 1984
4443975 Dual wheel cylindrical grinding center Apr. 24, 1984
4330962 Assembly of grinding-wheels of grinding machines May. 25, 1982
4274229 Frames of grinding machines Jun. 23, 1981
3959930 Apparatus for cutting off cast parts from a runner of a casting body Jun. 1, 1976











 
 
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