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Class Information
Number: 451/267
Name: Abrading > Machine > Rotary tool > Rotary disk > Opposed abrading tools > Work guide
Description: Abrading machine including a member or rest which facilitates the application of the workpiece to the tool at a proper angle.










Patents under this class:

Patent Number Title Of Patent Date Issued
8678882 Combination sharpener assembly Mar. 25, 2014
8647174 Semiconductor wafer polishing method and polishing pad shaping jig Feb. 11, 2014
8512103 Cutting tool sharpener Aug. 20, 2013
8430720 Apparatus for precision steeling/conditioning of knife edges Apr. 30, 2013
8337280 High speed platen abrading wire-driven rotary workholder Dec. 25, 2012
8267745 Methods of grinding semiconductor wafers having improved nanotopology Sep. 18, 2012
8221190 Polishing apparatus cofigured to simultaneously polish two surfaces of a work Jul. 17, 2012
8177605 Bowling ball surface treatment device May. 15, 2012
8113919 Bowling ball surface treatment apparatus Feb. 14, 2012
8066553 Wafer clamping device for a double side grinder Nov. 29, 2011
8029339 Workpiece double-disc grinding apparatus and workpiece double-disc grinding method Oct. 4, 2011
8021213 Acrylic polisher Sep. 20, 2011
7854650 Knife sharpener Dec. 21, 2010
7686676 Precision sharpener for hunting and Asian knives Mar. 30, 2010
7614934 Double-side polishing apparatus Nov. 10, 2009
7485029 Double face polishing apparatus Feb. 3, 2009
7481698 Sintered rare earth magnetic alloy wafer surface grinding machine Jan. 27, 2009
7299533 Process for lapping ring and pinion gears Nov. 27, 2007
7207870 Seal assembly manufacturing methods and seal assemblies manufactured thereby Apr. 24, 2007
6896598 Vertical type of double disc surface grinding machine May. 24, 2005
6802763 Apparatus for sharpening blades Oct. 12, 2004
6676500 Drill bit sharpener Jan. 13, 2004
6217423 Apparatus and method for mirror surface grinding of magnetic disc substrate Apr. 17, 2001
6139408 Surface grinding machine and carrier used therefor Oct. 31, 2000
6113476 Versatile ultrahone sharpener Sep. 5, 2000
6110023 Sphere grinding apparatus Aug. 29, 2000
6036585 Grinder and grinding method Mar. 14, 2000
5967882 Lapping apparatus and process with two opposed lapping platens Oct. 19, 1999
5921851 Sphere polisher Jul. 13, 1999
5873772 Method for polishing the top and bottom of a semiconductor wafer simultaneously Feb. 23, 1999
5762543 Polishing apparatus with improved product unloading Jun. 9, 1998
5620359 Knife sharpener Apr. 15, 1997
5611726 High speed precision sharpening apparatus Mar. 18, 1997
5054243 Brake lining grinder apparatus and method Oct. 8, 1991
4965967 Apparatus for low stress polishing of spherical objects Oct. 30, 1990
4938104 Apparatus for facilitating the machining of workpieces Jul. 3, 1990
4807399 Method and apparatus for sharpening a knife Feb. 28, 1989
4672777 Knife sharpening device Jun. 16, 1987
4277914 Apparatus for grinding articles with two rotating grinding discs Jul. 14, 1981
4048760 Scissors sharpener Sep. 20, 1977
4011689 Grinding machine Mar. 15, 1977
3984945 Device for lapping balls in continuous operation Oct. 12, 1976











 
 
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