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Class Information
Number: 451/254
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Work rotating > Rotary work holder > Disk or wheel abrader
Description: Abrading machine especially adapted for the grinding of a flat, circular plate or circular ring.










Sub-classes under this class:

Class Number Class Name Patents
451/255 Lens abrader 80


Patents under this class:
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Patent Number Title Of Patent Date Issued
8712720 Filtering method for improving the data quality of geometric tire measurements Apr. 29, 2014
8602841 Form tap and method of making such Dec. 10, 2013
7997953 Precision machining method Aug. 16, 2011
7758404 Apparatus for cleaning edge of substrate and method for using the same Jul. 20, 2010
7507146 Method for producing semiconductor wafer and semiconductor wafer Mar. 24, 2009
7431633 Plating removing apparatus for three-piece wheel Oct. 7, 2008
7261620 Method and device for reprofiling railway wheels Aug. 28, 2007
7108589 Polishing apparatus and method Sep. 19, 2006
7008307 Apparatus for sharpening a circular blade Mar. 7, 2006
6875080 Method for force correction Apr. 5, 2005
6773334 Dust collection and removal system Aug. 10, 2004
6722964 Polishing apparatus and method Apr. 20, 2004
6705156 Cross-correlation method for identification and removal of machine contribution from tire uniformity measurements Mar. 16, 2004
6648738 Grinding fluid supply device of lens grinding apparatus Nov. 18, 2003
6615613 Method of grinding a substrate and method of manufacturing a glass substrate and a magnetic recording medium by the use of the glass substrate Sep. 9, 2003
6609074 Tire uniformity prediction using balance and low speed uniformity data Aug. 19, 2003
6431961 Apparatus and method for chamfering wafer Aug. 13, 2002
6428397 Wafer edge polishing method and apparatus Aug. 6, 2002
6410438 Method and device for polishing work edge Jun. 25, 2002
6328641 Method and apparatus for polishing an outer edge ring on a semiconductor wafer Dec. 11, 2001
6296549 Apparatus and method of machining brake components Oct. 2, 2001
6261160 Method and apparatus for specular-polishing of work edges Jul. 17, 2001
6257956 Method to identify and remove machine contributions from tire uniformity measurements Jul. 10, 2001
6248005 Method and device for polishing work edge Jun. 19, 2001
6217424 Metal-polishing technique Apr. 17, 2001
6200205 Lapping tool Mar. 13, 2001
6139401 Method of correcting the imbalance of a pneumatic tire with a tire uniformity machine Oct. 31, 2000
6066031 Wafer chamfering method and apparatus May. 23, 2000
6062950 Dual wheel tire grinder May. 16, 2000
6050876 Automated abrader Apr. 18, 2000
5964652 Apparatus for the chemical-mechanical polishing of wafers Oct. 12, 1999
5954566 Method and apparatus for reconditioning digital recording discs Sep. 21, 1999
5727990 Method for mirror-polishing chamfered portion of wafer and mirror-polishing apparatus Mar. 17, 1998
5720652 Device for microfinishing both sides of a workpiece Feb. 24, 1998
5707272 Polishing apparatus for a CRT glass panel and a method of polishing the glass panel Jan. 13, 1998
5678963 Method for truing sets of rail vehicle wheels by chip removal and under-floor machine for performing the method Oct. 21, 1997
5658189 Grinding apparatus for wafer edge Aug. 19, 1997
5647791 Process for grinding rotating rubber rolls and means for carrying out this process Jul. 15, 1997
5593343 Apparatus for reconditioning digital recording discs Jan. 14, 1997
5538463 Apparatus for bevelling wafer-edge Jul. 23, 1996
5538463 Apparatus for bevelling wafer-edge Jul. 23, 1996
5466182 Machine for scraping tires with controllable relative positioning of tire and work tool Nov. 14, 1995
5317836 Apparatus for polishing chamfers of a wafer Jun. 7, 1994
5256445 Method and apparatus for buffing and painting a annulation Oct. 26, 1993
5209021 Apparatus and method for sprue removal and grinding of railroad wheels May. 11, 1993
5179806 Method and apparatus for buffing a tire sidewall Jan. 19, 1993
5175900 Automatic index rotary buffing apparatus Jan. 5, 1993
5099613 Tire uniformity correction Mar. 31, 1992
5097631 Circular edger attachment for vertical glass edger Mar. 24, 1992
5097630 Specular machining apparatus for peripheral edge portion of wafer Mar. 24, 1992

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