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Class Information
Number: 451/302
Name: Abrading > Machine > Endless band tool > Opposed endless band abrading tools
Description: Abrading machine employing plural endless traveling abrading bands so mounted as to simultaneously act upon opposite sides of the work.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8408973 Finishing apparatus with resiliently mountable finishing belt guide Apr. 2, 2013
8366515 Form transfer grinding method Feb. 5, 2013
8216026 Form transfer grinding method Jul. 10, 2012
7614935 Apparatus for machining a workpiece Nov. 10, 2009
7597607 Magnetic recording tape edge processing Oct. 6, 2009
7364498 Double armed finishing tool for tubing materials Apr. 29, 2008
7144304 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface Dec. 5, 2006
7090560 System and method for detecting abrasive article orientation Aug. 15, 2006
7083505 Stacked triple wheel head assembly Aug. 1, 2006
7066787 Substrate processing apparatus Jun. 27, 2006
7033255 Chamfer processing method and device for plate material Apr. 25, 2006
7021998 Method and device for finishing surface of long material Apr. 4, 2006
6908369 Apparatus for and method of smoothing substrate surface Jun. 21, 2005
6752706 Adjusting device for the sanding drum of a double-drum sander Jun. 22, 2004
6746320 Linear reciprocating disposable belt polishing method and apparatus Jun. 8, 2004
6726532 Belt tensioning assembly for CMP apparatus Apr. 27, 2004
6722957 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface Apr. 20, 2004
6722960 Apparatus for planing and sizing a workpiece Apr. 20, 2004
6666246 Automated planer machine Dec. 23, 2003
6589103 Device for the finishing treatment of shaft workpieces Jul. 8, 2003
6533644 Method of texturing and agent therefor Mar. 18, 2003
6500056 Linear reciprocating disposable belt polishing method and apparatus Dec. 31, 2002
6458021 Polishing apparatus with a balance adjusting unit Oct. 1, 2002
6454638 Machine for grinding cylindrical bearing surfaces on parts using an abrasive belt Sep. 24, 2002
6358132 Apparatus for grinding spherical objects Mar. 19, 2002
6277005 Apparatus for the application of an advanced texture process Aug. 21, 2001
6273796 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface Aug. 14, 2001
6217414 Method and apparatus for respositioning and forming a power transmission belt Apr. 17, 2001
6206763 Deburring machine Mar. 27, 2001
6176768 Two surface planer Jan. 23, 2001
6155914 Apparatus for the application of an advanced texture process Dec. 5, 2000
6129615 Deburring machine Oct. 10, 2000
6129612 Advanced mechanical texture process for high density magnetic recording media Oct. 10, 2000
6102783 Apparatus for microfinishing cam-shaft surfaces Aug. 15, 2000
6095909 Abrasive belt machine tool for machining cylindrical bearing surfaces on shafts Aug. 1, 2000
6086461 Wood strip sanding machine Jul. 11, 2000
6033522 Surface treatment method and apparatus for rotatable disc Mar. 7, 2000
5984767 Assembly using an abrasive strip to machine a cylindrical bearing surface of a workpiece Nov. 16, 1999
5888123 Automatic golf club grinder Mar. 30, 1999
5865669 Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape Feb. 2, 1999
5820446 Apparatus and method for texturing rigid-disk substrates Oct. 13, 1998
5775978 Method for the fine machining of piston rings and apparatus for carrying out same Jul. 7, 1998
5755615 Lapping apparatus May. 26, 1998
5664985 Method and apparatus for texturizing disks Sep. 9, 1997
5651722 Machine and method for working butt weld seams on band Jul. 29, 1997
5507684 Machine for the two-stage machining of preground shafts Apr. 16, 1996
5443415 Burnishing apparatus for flexible magnetic disks and method therefor Aug. 22, 1995
5203117 Belt sander sanding mechanism Apr. 20, 1993
5099615 Automated rigid-disk finishing system providing in-line process control Mar. 31, 1992
5018311 Magnetic disk burnishing method and apparatus May. 28, 1991

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