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Class Information
Number: 451/114
Name: Abrading > Machine > By use of plural work holders, without tool
Description: Abrading machine including a first work member for supporting a first workpiece and including a second member for supporting a second workpiece, and in which the abrading is accomplished by mutual moving contact of the plural workpieces.










Sub-classes under this class:

Class Number Class Name Patents
451/115 Of valve and seat 10


Patents under this class:

Patent Number Title Of Patent Date Issued
7578724 Incorporation of particulate additives into metal working surfaces Aug. 25, 2009
6776688 Real-time polishing pad stiffness-control using magnetically controllable fluid Aug. 17, 2004
6193591 Loading system and collect assembly for grinding a workpiece Feb. 27, 2001
6183353 Apparatus for polishing surgical stents Feb. 6, 2001
6139407 Method for processing using beam of magnetic line of force, apparatus for carrying out said method, and carriage member for hard disk drive processed by said method Oct. 31, 2000
6086455 Apparatus for polishing surgical stents Jul. 11, 2000
5954568 Method, tool and device for the profiling of grinding worms for continuous gear grinding Sep. 21, 1999
5577948 Magnetorheological polishing devices and methods Nov. 26, 1996
5538462 Lapping compound supply system for a gear finishing machine Jul. 23, 1996
5538462 Lapping compound supply system for a gear finishing machine Jul. 23, 1996
5449313 Magnetorheological polishing devices and methods Sep. 12, 1995
5347760 Gear finishing apparatus Sep. 20, 1994
5191739 Method and apparatus for lapping gear teeth while changing at least one of load torque, rotating speeds and rate of teeth contact point movement of the gears Mar. 9, 1993
5116391 Curved surface rubbing apparatus May. 26, 1992
5079877 Method for manufacture of toothed abrasive tool and method for finish-machining therewith Jan. 14, 1992
5076027 Process for abrasive flow machining using multiple cylinders Dec. 31, 1991
4996796 Process and apparatus of abrading by extrusion Mar. 5, 1991
4982532 Method and apparatus for finishing gear tooth surfaces of a bevel gear Jan. 8, 1991
4972564 Apparatus for correcting surface imperfections on a surface of gear tooth Nov. 27, 1990
4947940 Apparatus and method for removing oil spots from a surface Aug. 14, 1990
4788476 Machine for lapping two curved-tooth bevel gears Nov. 29, 1988
4746330 Method and apparatus for lapping reel mowers May. 24, 1988
4476654 Spline gear reciprocating lapping machie Oct. 16, 1984
4414780 Gear burnishing and honing machine Nov. 15, 1983
4305190 Gear burnisher Dec. 15, 1981
4212572 Gear teeth rotary-shaving or roll-finishing machine Jul. 15, 1980
4018008 Lapping device Apr. 19, 1977
3994098 Apparatus for regulating the lapping pressure during lapping of two bevel gears in a lapping machine Nov. 30, 1976
3992937 Apparatus for lapping and testing two meshing gears whose axes enclose a random angle with one another Nov. 23, 1976
3945151 Apparatus for removing mortar from used brick Mar. 23, 1976











 
 
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