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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 141
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 80
451/283 Work rotating 66


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
RE38340 Multi-point bending of bars during fabrication of magnetic recording heads Dec. 2, 2003
6645055 Apparatus, in particular for the grinding of electrodes for TIG welding Nov. 11, 2003
6626740 Self-leveling pads and methods relating thereto Sep. 30, 2003
6609948 Method of making an electronic lapping guide (ELG) for lapping a read sensor Aug. 26, 2003
6595838 Wood floor sanding machine Jul. 22, 2003
6572461 Method for producing wafer notches with rounded corners and a tool therefor Jun. 3, 2003
6568992 Method for controlling MRE stripe height May. 27, 2003
6537140 Patterned abrasive tools Mar. 25, 2003
6527630 Electrical hand tool, in particular angle sander with rotatable maintenance opening Mar. 4, 2003
6521079 Linear CMP tool design with closed loop slurry distribution Feb. 18, 2003
6510708 Production of translucent sheet glass by grinding Jan. 28, 2003
6468138 Porous grinding tool and method for grinding a roll Oct. 22, 2002
6439219 Machine tool for working stone and agglomerates of inert materials Aug. 27, 2002
6419567 Retaining ring for chemical-mechanical polishing (CMP) head, polishing apparatus, slurry cycle system, and method Jul. 16, 2002
6413153 Finishing element including discrete finishing members Jul. 2, 2002
6409583 Apparatus for polishing wafers Jun. 25, 2002
6396996 Fixture for use in polishing fiber optic connectors May. 28, 2002
6394892 Device for machining optical workpieces May. 28, 2002
6383332 Endpoint detection method and apparatus which utilize a chelating agent to detect a polishing endpoint May. 7, 2002
6354926 Parallel alignment method and apparatus for chemical mechanical polishing Mar. 12, 2002
6354925 Composite polishing pad Mar. 12, 2002
6350186 Apparatus and method for chemical mechanical polishing Feb. 26, 2002
6336849 Grinding spindle Jan. 8, 2002
6336842 Rotary machining apparatus Jan. 8, 2002
6331133 Automatic drill bit re-pointing apparatus and method Dec. 18, 2001
6331138 Grinding machine Dec. 18, 2001
6328641 Method and apparatus for polishing an outer edge ring on a semiconductor wafer Dec. 11, 2001
6309280 Method of grinding semiconductor articles Oct. 30, 2001
6296553 Grinding method, surface grinder, workpiece support, mechanism and work rest Oct. 2, 2001
6276991 Crown forming method of forming crown on floating type magnetic head Aug. 21, 2001
6267652 Versatile ultrahone sharpener Jul. 31, 2001
6265314 Wafer edge polish Jul. 24, 2001
6258205 Endpoint detection method and apparatus which utilize an endpoint polishing layer of catalyst material Jul. 10, 2001
6250997 Processing machine Jun. 26, 2001
6235635 Linear CMP tool design using in-situ slurry distribution and concurrent pad conditioning May. 22, 2001
6220949 Grinding body for on-line roll grinding Apr. 24, 2001
6217425 Apparatus and method for lapping magnetic heads Apr. 17, 2001
6210259 Method and apparatus for lapping of workpieces Apr. 3, 2001
6206765 Non-rotational dresser for grinding stones Mar. 27, 2001
6206766 Grinding wheel Mar. 27, 2001
6196908 Drill for composite materials Mar. 6, 2001
6190244 Sharpening arrangement Feb. 20, 2001
6176767 Double face abrading machine Jan. 23, 2001
6177206 Surface quality enhancement of aerospace skin sheet Jan. 23, 2001
6168506 Apparatus for polishing using improved plate supports Jan. 2, 2001
6156659 Linear CMP tool design with closed loop slurry distribution Dec. 5, 2000
6139677 Polishing apparatus Oct. 31, 2000
6136143 Surface treating article including a hub Oct. 24, 2000
6126880 Production of a prophylactic Oct. 3, 2000
6126526 Universal grinding machine Oct. 3, 2000

1 2 3 4










 
 
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