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Class Information
Number: 451/332
Name: Abrading > Work feeder > Rotary
Description: Work feeder wherein the workpiece is carried by a rotating member into contact with the abrading tool.










Sub-classes under this class:

Class Number Class Name Patents
451/333 With hopper or magazine 25


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657648 Processing apparatus having four processing units Feb. 25, 2014
8613643 Work feeder for roller end face working machine, roller end face working machine and rollers for roller bearing Dec. 24, 2013
8308529 High throughput chemical mechanical polishing system Nov. 13, 2012
6932685 Vertical type of double disc surface grinding machine for a brake disc Aug. 23, 2005
6878044 Polishing apparatus Apr. 12, 2005
6846224 Surface planarization equipment for use in the manufacturing of semiconductor devices Jan. 25, 2005
6821193 Material positioning and shaping system apparatus Nov. 23, 2004
6716086 Edge contact loadcup Apr. 6, 2004
6689691 Method of simultaneously polishing a plurality of objects of a similar type, in particular silicon wafers, on a polishing installation Feb. 10, 2004
6685542 Grinding machine Feb. 3, 2004
6660637 Process for chemical mechanical polishing Dec. 9, 2003
6629883 Polishing apparatus Oct. 7, 2003
6572459 Machine for machining in particular superfinishing, cylindrical surfaces of circular cylindrical workpieces, using an abrasive belt moving tangentially Jun. 3, 2003
6517418 Method of transporting a semiconductor wafer in a wafer polishing system Feb. 11, 2003
6478658 Apparatus for generating lens surfaces Nov. 12, 2002
6447382 Apparatus for removing semiconductor wafers from within the runner disks of a double-sided polishing machine Sep. 10, 2002
6375556 Grinding apparatus for grinding workpieces Apr. 23, 2002
6368183 Wafer cleaning apparatus and associated wafer processing methods Apr. 9, 2002
6358128 Polishing apparatus Mar. 19, 2002
6354926 Parallel alignment method and apparatus for chemical mechanical polishing Mar. 12, 2002
6336845 Method and apparatus for polishing semiconductor wafers Jan. 8, 2002
6322428 Working device and working method for magnet member Nov. 27, 2001
6165056 Polishing machine for flattening substrate surface Dec. 26, 2000
6126517 System for chemical mechanical polishing having multiple polishing stations Oct. 3, 2000
6080045 Machining methods and apparatus Jun. 27, 2000
6074275 Polishing system and method of control of same Jun. 13, 2000
6048259 Wafer loading and unloading mechanism for loading robot Apr. 11, 2000
5791972 Polishing/grinding method Aug. 11, 1998
5738574 Continuous processing system for chemical mechanical polishing Apr. 14, 1998
5718030 Method of dry abrasive delabeling of plastic and glass bottles Feb. 17, 1998
5569059 System for driving a centerless grinder regulating wheel Oct. 29, 1996
5388374 Apparatus and method for grinding points Feb. 14, 1995
5174071 Lathe and grinder apparatus with two or more side-by-side arranged manipulator-interfaced dual-spindle units Dec. 29, 1992
5168657 Bottle mouth top surface polishing apparatus Dec. 8, 1992
5140774 Apparatus for polishing hard disk substrates Aug. 25, 1992
5113623 Method and apparatus for grinding the work rolls of a planetary rolling mill May. 19, 1992
5094037 Edge polisher Mar. 10, 1992
5027563 Work transfer device of grinding machine Jul. 2, 1991
4941294 Grinding machine for belt materials Jul. 17, 1990
4872289 Cutter Oct. 10, 1989
4845897 Grinding machine for grinding or rasping of rubber items Jul. 11, 1989
4794741 Apparatus for machining transverse elements of a metal driving belt Jan. 3, 1989
4779387 Method and apparatus for automatically buffing a golf ball Oct. 25, 1988
4744707 Method for automatic changeover of the workholding device in hobbing machines, and means for the implementation of such a method May. 17, 1988
4743147 Automatic loader for machine tools May. 10, 1988
4740218 Blast cleaning machine and conveyor therefor Apr. 26, 1988
4676029 Opposed endless belt grinding apparatus Jun. 30, 1987
4531327 Centerless grinding machine with ferris wheel arrangement Jul. 30, 1985
4519733 Method and apparatus for automatically exchanging a workpiece in a machine tool May. 28, 1985
4509892 Apparatus for manipulating workpieces having plane parallel surfaces Apr. 9, 1985

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