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Class Information
Number: 451/259
Name: Abrading > Machine > Rotary tool > Rotary disk
Description: Abrading machine in which the abrading is done by a rigid tool, including a circular, planar surface, which tool is intended to turn about an axis normal to and passing through that surface to abrade the work by that surface.










Sub-classes under this class:

Class Number Class Name Patents
451/293 Blade sharpener 76
451/260 One-way work traverse 39
451/262 Opposed abrading tools 143
451/270 Orbital 82
451/272 Reciprocating work holder 24
451/278 Stationary work holder 111
451/280 Swinging tool carrier 35
451/281 Templet 28
451/282 Work guide 81
451/283 Work rotating 66


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8702477 Polishing pad sub plate Apr. 22, 2014
8655480 Automated filler production method Feb. 18, 2014
8579562 Vibration-damped tool holder Nov. 12, 2013
8574035 Polishing device with rotary joint Nov. 5, 2013
8439725 Method and device for the production of a precise concrete prefabricated part May. 14, 2013
8267743 Polishing head and tool change arm for a polishing head Sep. 18, 2012
8133093 Grinding apparatus having an extendable wheel mount Mar. 13, 2012
8092282 Device for driving a grinding machine Jan. 10, 2012
8062098 High speed flat lapping platen Nov. 22, 2011
8046934 Convective system for a dryer installation Nov. 1, 2011
8029341 Polishing tool comprising a drive plate and a removable pad for finishing an ophthalmic lens Oct. 4, 2011
8029339 Workpiece double-disc grinding apparatus and workpiece double-disc grinding method Oct. 4, 2011
8021213 Acrylic polisher Sep. 20, 2011
8002923 Method of manufacturing glass substrate Aug. 23, 2011
7892074 Surface modifying tool adapter using a plurality of surface modifying article inserts for use in a surface modifying system Feb. 22, 2011
7744447 Abrasive disc Jun. 29, 2010
7722440 Method and device for grinding ceramic spheres May. 25, 2010
7578728 Lapping system having a polymeric lapping tool Aug. 25, 2009
7534165 Sander May. 19, 2009
7497153 Cutting tool and method of use Mar. 3, 2009
7412999 Label remover Aug. 19, 2008
7377837 Grinding or polishing arrangement May. 27, 2008
7303461 Method of machining airfoils by disc tools Dec. 4, 2007
7300521 Wall scrubber for blown insulation Nov. 27, 2007
7278908 Polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular Oct. 9, 2007
7238092 Low-force electrochemical mechanical processing method and apparatus Jul. 3, 2007
7189151 Embedding tool designed to embed grains into faceplate for lapping apparatus Mar. 13, 2007
7150676 Dual motion polishing tool Dec. 19, 2006
7131900 Grinding wheel in combination with a grinding ring Nov. 7, 2006
7022001 Polishing apparatus Apr. 4, 2006
7014547 Portable grinding machine with protective cover Mar. 21, 2006
6991513 Magnetic head grinding device and method Jan. 31, 2006
6962523 Power tool Nov. 8, 2005
6949005 Grinding assembly, grinding apparatus, weld joint defect repair system, and methods Sep. 27, 2005
6949006 Belt-disc sander having speed adjuster Sep. 27, 2005
6913527 Edge-sealed pad for CMP process Jul. 5, 2005
6910955 Rotary drive device of a polishing device Jun. 28, 2005
6905398 Chemical mechanical polishing tool, apparatus and method Jun. 14, 2005
6896598 Vertical type of double disc surface grinding machine May. 24, 2005
6863600 Apparatus for precision edge refinement of metallic cutting blades Mar. 8, 2005
6846230 Manual machine tool Jan. 25, 2005
6840842 Burnishing pad, burnishing machine equipped with burnishing pad and burnishing method Jan. 11, 2005
6811471 Abrasive particles to clean semiconductor wafers during chemical mechanical planarization Nov. 2, 2004
6783437 Edge-sealed pad for CMP process Aug. 31, 2004
6733368 Method for lapping a wafer May. 11, 2004
6722962 Polishing system, polishing method, polishing pad, and method of forming polishing pad Apr. 20, 2004
6716095 Cordless surface dresser Apr. 6, 2004
6712683 Backing plate for abrasive flap wheels Mar. 30, 2004
6692341 Abrasive machine Feb. 17, 2004
6679760 Lapping method of magnetic head slider and lapping method of bar Jan. 20, 2004

1 2 3 4










 
 
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