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Class Information
Number: 451/317
Name: Abrading > Machine > Stationary tool > Flexible > Work rotating
Description: Abrading machines employing a relatively stationary tool of flexible or yielding character and in which the work rotates.

Sub-classes under this class:

Class Number Class Name Patents
451/318 Stropping machine 4

Patents under this class:
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Patent Number Title Of Patent Date Issued
8517804 Pressing device for cutting means and apparatus and method for finishing circumferential surfaces on cylindrical parts of a workpiece Aug. 27, 2013
8449355 Glass polishing system May. 28, 2013
8262437 Glass polishing system Sep. 11, 2012
7494399 Single-step fiber grinding process and apparatus Feb. 24, 2009
7278902 Enabling location specific burnishing of a disk Oct. 9, 2007
7238092 Low-force electrochemical mechanical processing method and apparatus Jul. 3, 2007
7153192 Method for selectively sensing and removing asperities from hard disk drive media utilizing active thermally controlled flying heights Dec. 26, 2006
7153193 System and apparatus for selectively sensing and removing asperities from hard disk drive media utilizing active thermally controlled flying heights Dec. 26, 2006
7052363 Method and apparatus for treating the surface of a media, such as a magnetic hard disk, while operating, such as during dynamic electrical testing May. 30, 2006
6790133 Suspension assembly for magnetic disk glide and burnish applications Sep. 14, 2004
6620033 Thrustwall polishing assembly Sep. 16, 2003
6557608 Method for attaching web based polishing materials together on a polishing tool May. 6, 2003
6503132 Hybrid burnish/glide head with advanced air bearing fly height control rails Jan. 7, 2003
6497021 Method and apparatus for providing a low cost contact burnish slider Dec. 24, 2002
6491573 Quick change insert system for a finishing arm Dec. 10, 2002
6419551 High speed burnishing of asperities in a disk drive Jul. 16, 2002
6358123 Apparatus and method for reducing disc surface asperities to sub-microinch height Mar. 19, 2002
6357095 Hard disk burnishing head Mar. 19, 2002
6322431 Burnish head with ion milled aerodynamic pads configured in an elliptical pattern Nov. 27, 2001
6309287 Cam micro-finishing tool Oct. 30, 2001
6296552 Burnishing head with fly height control spacer Oct. 2, 2001
6273793 Apparatus and method for reducing disc surface asperities to sub-microinch height Aug. 14, 2001
6249945 Hard disk burnishing head Jun. 26, 2001
6230380 Slider for burnishing a disc May. 15, 2001
6183349 Burnishing head with circular burnishing pads Feb. 6, 2001
6099387 CMP of a circlet wafer using disc-like brake polish pads Aug. 8, 2000
5980369 Level flying burnishing head with circular burnishing pads Nov. 9, 1999
5885143 Disk texturing apparatus Mar. 23, 1999
5803796 Microfinishing machine Sep. 8, 1998
5782680 Burnishing head for polishing surfaces of carriers of magnetic media Jul. 21, 1998
5683291 Device for surface machining of workpieces Nov. 4, 1997
5672093 Specimen load control mechanism for automatic polishing apparatus Sep. 30, 1997
5651719 Tooling for abrasive belt machining of cylindrical bearing surfaces with provision for monitoring bearing surface diameter Jul. 29, 1997
5569061 Method and device for magneto-abrasive machining of parts Oct. 29, 1996
5487697 Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads Jan. 30, 1996
5437125 Surface polishing assembly Aug. 1, 1995
5341607 Method and apparatus for polishing hot strip mill run-out table rolls Aug. 30, 1994
5095663 Size control shoe for microfinishing machine Mar. 17, 1992
5065548 Surface treating tape cartridge and surface treating machine Nov. 19, 1991
5065547 Surface processing machine for hard disks and the like Nov. 19, 1991
5063712 Micro-burnishing flex head structure Nov. 12, 1991
5058325 Machine for the abrasive machining of cylindrical journals on components, in particular for machining journals and crank pins on crankshafts using abrasive material Oct. 22, 1991
5018311 Magnetic disk burnishing method and apparatus May. 28, 1991
4993191 Roller cam microfinishing tooling Feb. 19, 1991
4980993 Method and apparatus for manufacturing contact lens Jan. 1, 1991
4963164 Machine for surface treatment with means for positioning processing tools Oct. 16, 1990
4736475 Abrading machine for disk shaped surfaces Apr. 12, 1988
4535567 Computer magnetic media burnisher Aug. 20, 1985
4419845 Method of and apparatus for finish-grinding a camshaft Dec. 13, 1983
4200136 Method for making an optical waveguide coating die Apr. 29, 1980

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