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Class Information
Number: 451/242
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Work rotating
Description: Abrading machine in which the work is turned about an axis while being abraded.










Sub-classes under this class:

Class Number Class Name Patents
451/258 Disk or wheel abrader 31
451/246 Rotary work holder 145
451/245 Through feed 34
451/243 With "dead" center 32
451/244 Work handling 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8579680 Centerless grinding machine Nov. 12, 2013
8460066 Grinding machine Jun. 11, 2013
8419509 Swivel device and grinding machine incorporating the same Apr. 16, 2013
8257151 Polishing device Sep. 4, 2012
8182313 Carriage arrangement for a machine tool May. 22, 2012
8100738 Grinding machine and method for grinding work pieces between centers and for centerless grinding in which the work piece can be supported between a grinding wheel, and a regulating wheel eithe Jan. 24, 2012
8082643 Machining apparatus Dec. 27, 2011
8075373 Roll grinding apparatus Dec. 13, 2011
7997954 Centerless grinding method Aug. 16, 2011
7985120 Apparatus and method for grinding workpiece Jul. 26, 2011
7819722 Apparatus and method for manufacturing abrasive tools Oct. 26, 2010
7628681 Mechanism for suppressing grinding-cutting vibration Dec. 8, 2009
7435157 Grinding machine, computer software to operate such a machine, and their uses therefor Oct. 14, 2008
7429208 Automated system for precision grinding of feedstock Sep. 30, 2008
7293337 Machining apparatus Nov. 13, 2007
7258594 Method and device for centerless cylindrical grinding Aug. 21, 2007
7189144 Centerless grinding apparatus and centerless grinding method Mar. 13, 2007
7182676 Machining apparatus and machining method of work end face, roller and roller bearing Feb. 27, 2007
7101269 Cylindrical grinding machine Sep. 5, 2006
7101268 Grinding table for liquid crystal display panel and grinder apparatus using the same Sep. 5, 2006
7066792 Shaped polishing pads for beveling microfeature workpiece edges, and associate system and methods Jun. 27, 2006
7052370 High-precision machining system May. 30, 2006
6966823 Buffing head and method for reconditioning an optical disc Nov. 22, 2005
6852006 Automated system for precision grinding of feedstock Feb. 8, 2005
6729938 Centerless grinding machine May. 4, 2004
6699110 Apparatus for repairing the surface of an optical disc Mar. 2, 2004
6662072 Grinding process and control device for a knife shaft Dec. 9, 2003
6626735 Method of stopping machining operation in machine tool and machining controlling apparatus for implementing the same Sep. 30, 2003
6626745 Precision drill sharpener and grinding wheel assembly therefor Sep. 30, 2003
6620029 Apparatus and method for front side chemical mechanical planarization (CMP) of semiconductor workpieces Sep. 16, 2003
6547652 Linear CMP tool design using in-situ slurry distribution and concurrent pad conditioning Apr. 15, 2003
6544105 Control device to implement a grinding process for a knife shaft Apr. 8, 2003
6485353 Apparatus and method for grinding composite workpieces Nov. 26, 2002
6354920 Centerless camshaft microfinishing machine Mar. 12, 2002
6343977 Multi-zone conditioner for chemical mechanical polishing system Feb. 5, 2002
6312318 Method and machine for centerless angular plunge grinding Nov. 6, 2001
6309286 Grinding machine and method of grinding Oct. 30, 2001
6306018 Grinding methods and apparatus Oct. 23, 2001
6287176 Grinding disk with peripheral groove Sep. 11, 2001
6287183 Vacuum-hydrostatic shoe for centerless grinding Sep. 11, 2001
6220939 Method and apparatus for grinding round parts Apr. 24, 2001
6200204 Roll grinder with vibration dampening Mar. 13, 2001
6196902 Apparatus for finishing the edge of a sheet of glass Mar. 6, 2001
6176766 Centerless grinding fixture Jan. 23, 2001
6142854 Deburring system and method for using same Nov. 7, 2000
6126522 Method for manufacturing golf ball Oct. 3, 2000
6113477 Drill abrasive apparatus Sep. 5, 2000
6106373 Multi-task grinding wheel machine Aug. 22, 2000
6039636 Precision grinding of a part-spherical recess Mar. 21, 2000
6030279 Timing belt grinding apparatus and method Feb. 29, 2000

1 2 3










 
 
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