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Class Information
Number: 451/50
Name: Abrading > Abrading process > Roll, roller, shaft, ball, or piston abrading > Ball abrading
Description: Abrading process specifically directed to forming a spherical shaped workpiece by abrading (or polishing).










Patents under this class:

Patent Number Title Of Patent Date Issued
7892073 Bowling ball abrader and polisher system and method Feb. 22, 2011
7722440 Method and device for grinding ceramic spheres May. 25, 2010
7585203 Bowling ball surface treatment machine and bowling ball surface treatment method Sep. 8, 2009
7465219 Brut polishing of superhard materials Dec. 16, 2008
7252576 Method and apparatus for magnetic float polishing Aug. 7, 2007
7220171 Cutting cup for sphere making machines May. 22, 2007
6899599 Manufacturing process to make a valve ball May. 31, 2005
6887135 Ball finishing apparatus and process May. 3, 2005
6880727 Precision liquid mixing apparatus and method Apr. 19, 2005
6821191 Ball finishing process Nov. 23, 2004
6761622 Bowling ball resurfacing device Jul. 13, 2004
6746315 Ball spinner and polish apparatus Jun. 8, 2004
6595831 Method for polishing workpieces using fixed abrasives Jul. 22, 2003
6596395 Balls of single crystal silicon and method of making the same Jul. 22, 2003
6488454 Method for machining shoe pocket for piston in variable displacement swash plate type compressor Dec. 3, 2002
6439982 Ball spinner and polish apparatus Aug. 27, 2002
6431954 Method and apparatus for grinding workpieces with precision work performed at the same time as the grinding Aug. 13, 2002
6317955 Method of producing a resinous dome forming mold Nov. 20, 2001
6200413 Quadri-point precision sphere polisher Mar. 13, 2001
6186875 Bowling ball surfacing machine Feb. 13, 2001
6171179 Ball grinding machine Jan. 9, 2001
6165049 Golf ball deburring method Dec. 26, 2000
6129611 Golf ball buffing apparatus and method Oct. 10, 2000
6126522 Method for manufacturing golf ball Oct. 3, 2000
6071179 Apparatus and method for grinding and polishing spherical bodies Jun. 6, 2000
5980765 Method of manufacturing composite ceramics balls for ball-point pens Nov. 9, 1999
5921851 Sphere polisher Jul. 13, 1999
5913717 Sphere polishing machine Jun. 22, 1999
5906535 Ball polishing method and apparatus, and annular groove forming method May. 25, 1999
5810647 Tool quill and method for finishing fuel injector needle tips Sep. 22, 1998
5791972 Polishing/grinding method Aug. 11, 1998
5658188 Method for grinding golf ball surface and golf ball Aug. 19, 1997
5613896 Automatic bowling ball resurfacing machine Mar. 25, 1997
5611723 Apparatus for modifying attitude of golf ball having burrs formed thereon and deburring machine employing the same Mar. 18, 1997
5520573 Spherical member polishing apparatus May. 28, 1996
5496031 Method of fabricating a table soccer of fussball playing game ball Mar. 5, 1996
5484329 Bowling ball surface finishing tool assembly Jan. 16, 1996
5301470 Ball lapping machine Apr. 12, 1994
5299394 Method and apparatus for buffing spherical parts Apr. 5, 1994
5240250 Game ball made by method including molding and machining steps Aug. 31, 1993
5214884 Ball polishing apparatus and method for the same Jun. 1, 1993
5097635 Method and apparatus for automatic ball to seat lapping Mar. 24, 1992
5048238 Non-contact machining of spherical surface Sep. 17, 1991
4965967 Apparatus for low stress polishing of spherical objects Oct. 30, 1990
4903439 Method for grinding rough-shaped objects to a clean spherical form Feb. 27, 1990
4457064 Apparatus for grinding off the outer shell of a spherical body Jul. 3, 1984
4216629 Method and apparatus for producing balls Aug. 12, 1980
4091572 Lapidary sphere grinder May. 30, 1978
3987590 Methods of fabricating thermonuclear fuel elements Oct. 26, 1976
3984945 Device for lapping balls in continuous operation Oct. 12, 1976











 
 
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