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Class Information
Number: 451/232
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Stationary work holder > Reversing, obverting, or pivoting
Description: Abrading machine in which the work holder provides for a plurality of work positions by an end for end, edge for edge, or angular swing of the work holder.










Patents under this class:

Patent Number Title Of Patent Date Issued
6913526 Polishing machine for polishing periphery of sheet Jul. 5, 2005
6604989 Manufacturing method and apparatus for magnetic head sliders Aug. 12, 2003
6390894 Face gear manufacturing method and apparatus May. 21, 2002
6375539 Lapping machine, lapping method, and row tool Apr. 23, 2002
6059642 Apparatus for grinding a shank of a drill bit May. 9, 2000
5921847 Grinding fixture and method of remanufacturing tool inserts Jul. 13, 1999
5613898 Device for producing inclined surfaces and grooves on friction pads Mar. 25, 1997
5331774 Method and device for sharpening chiral blades of dental instruments Jul. 26, 1994
5148632 Cavity forming in plastic body Sep. 22, 1992
5044123 Concave-convex faceting method and apparatus Sep. 3, 1991
4932162 Camless grinder Jun. 12, 1990
4879845 Machine tool Nov. 14, 1989
4860497 Drill grinder having drill holder including chucks for gripping shank and body of the drill Aug. 29, 1989
4850147 Electrode shaping Jul. 25, 1989
4841679 Method and apparatus for manufacturing cam elements Jun. 27, 1989
4760672 Simultaneously grinding and polishing preforms for optical lenses Aug. 2, 1988
4742648 Drill sharpening tool May. 10, 1988
4624081 Turn-around mechanism for workpieces in grinding machines Nov. 25, 1986
4583326 Abrading machine for abrading a welded seam in an elongated workpiece Apr. 22, 1986
4539871 Saw chain sharpener Sep. 10, 1985
4299142 Grinding machine with reorientable chain holding clamp Nov. 10, 1981
4216628 Device for automatically grinding syringe needle point Aug. 12, 1980











 
 
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