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Class Information
Number: 451/324
Name: Abrading > Machine > Stationary tool > Rigid > Rotary work holder
Description: Abrading machine employing a relatively stationary tool of rigid character and in which the work is rotated.










Sub-classes under this class:

Class Number Class Name Patents
451/325 Lens abrader 13


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8540553 Portable power sharpener for hand held rotary cutter blades Sep. 24, 2013
8459578 Prescription label identity peeler Jun. 11, 2013
8282442 Correction of crown layer variance during retreading Oct. 9, 2012
8137163 Burnish head design with multiple pads on side rail Mar. 20, 2012
7314404 Burnishing head Jan. 1, 2008
7255636 Hybrid burnishing head design for improved burnishing of disk media Aug. 14, 2007
7140949 Tool and process for chrome plating a vehicle wheel surface Nov. 28, 2006
7104868 Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Sep. 12, 2006
7101263 Flank superabrasive machining Sep. 5, 2006
6960122 Optical disc repairing device Nov. 1, 2005
6893330 Tool and process for chrome plating a vehicle wheel surface May. 17, 2005
6773335 Apparatus for polishing periphery of device wafer and polishing method Aug. 10, 2004
6733365 Method and apparatus for hard machining May. 11, 2004
6726544 Method and apparatus for superfinishing tapered roller bearing Apr. 27, 2004
6589103 Device for the finishing treatment of shaft workpieces Jul. 8, 2003
6503132 Hybrid burnish/glide head with advanced air bearing fly height control rails Jan. 7, 2003
6478660 Apparatus of and method for polishing the outer circumferential portions of a circular plate-shaped work Nov. 12, 2002
6368197 Method and apparatus for supporting and cleaning a polishing pad for chemical-mechanical planarization of microelectronic substrates Apr. 9, 2002
6352470 Method and apparatus for supporting and cleaning a polishing pad for chemical-mechanical planarization of microelectronic substrates Mar. 5, 2002
6322426 Method for mirror process of external surface of long sized metal Nov. 27, 2001
6248003 Method of truing grinding wheel and device used in performing such method Jun. 19, 2001
6244944 Method and apparatus for supporting and cleaning a polishing pad for chemical-mechanical planarization of microelectronic substrates Jun. 12, 2001
6213260 Brake pad and methods of braking and resurfacing a rotatable brake member Apr. 10, 2001
6149512 Linear pad conditioning apparatus Nov. 21, 2000
6099387 CMP of a circlet wafer using disc-like brake polish pads Aug. 8, 2000
6071179 Apparatus and method for grinding and polishing spherical bodies Jun. 6, 2000
6048257 Abrasive pad holder Apr. 11, 2000
5913710 Method and device for producing drive belts with small rotation-angle error Jun. 22, 1999
5885147 Apparatus for conditioning polishing pads Mar. 23, 1999
5863237 Low speed burnishing of asperities in a disc drive Jan. 26, 1999
5807167 Foam pad resurfacer Sep. 15, 1998
5779526 Pad conditioner Jul. 14, 1998
5738569 Threaded grinding wheel, and method of dressing Apr. 14, 1998
5658191 Burnish head for magnetic media Aug. 19, 1997
5487697 Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads Jan. 30, 1996
5199224 Dart sharpener Apr. 6, 1993
5172521 Sharpening apparatus for forage harvester knives Dec. 22, 1992
5168659 Apparatus for finely working piston rings Dec. 8, 1992
5077881 Tape scraper and process for producing same Jan. 7, 1992
5063712 Micro-burnishing flex head structure Nov. 12, 1991
4996798 Ultra-precision lapping apparatus Mar. 5, 1991
4979335 Apparatus for precision machining crank pins of crankshafts Dec. 25, 1990
4747234 Apparatus for fine-machining crankshaft pins May. 31, 1988
4619080 Roll grinding apparatus for rolling mills Oct. 28, 1986
4590712 Vertical spindle duplex head for a grinder May. 27, 1986
4535567 Computer magnetic media burnisher Aug. 20, 1985
4505071 Crankshaft-finishing machine Mar. 19, 1985
4489521 Apparatus for abrading workpieces, particularly semiconductor wafers Dec. 25, 1984
4452223 Cylindrical grinding machine truing and dressing device Jun. 5, 1984
4447991 Method for grinding or polishing curved surfaces of solid bodies and apparatus for carrying out this method May. 15, 1984

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