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Class Information
Number: 451/401
Name: Abrading > Work holder > Work rotating > Rotary work holder > Turret
Description: Rotary work holder in which a series of rotating workpieces are indexed by a rotary member into sequential engagement with the abrading tool.

Patents under this class:

Patent Number Title Of Patent Date Issued
8628382 Workpiece holder for a surface grinding machine Jan. 14, 2014
7785173 Superfinishing machine and method Aug. 31, 2010
7143489 Multiple station tooling machine for manufacturing drill bits and other spirally grooved workpieces Dec. 5, 2006
6935934 Parallel alignment method and apparatus for chemical mechanical polishing Aug. 30, 2005
6645049 Polishing holder for silicon wafers and method of use thereof Nov. 11, 2003
6612905 Silicon wafer polishing holder and method of use thereof Sep. 2, 2003
6354926 Parallel alignment method and apparatus for chemical mechanical polishing Mar. 12, 2002
6241585 Apparatus and method for chemical mechanical polishing Jun. 5, 2001
6231427 Linear polisher and method for semiconductor wafer planarization May. 15, 2001
6126517 System for chemical mechanical polishing having multiple polishing stations Oct. 3, 2000
6050886 Rotary drum holder Apr. 18, 2000
6036588 Knife ring [chip] cutter Mar. 14, 2000
5885038 Machine for finishing the tooth flanks of gear-shaped workpieces with an internal gear tool Mar. 23, 1999
5738574 Continuous processing system for chemical mechanical polishing Apr. 14, 1998
5525096 Apparatus for grinding spherical surface Jun. 11, 1996
5525094 Method and device for resharpening knives used in cutting machines Jun. 11, 1996
5454150 Manufacturing methods for machining spring ends parallel at loaded length Oct. 3, 1995
5404678 Wafer chamfer polishing apparatus with rotary circular dividing table Apr. 11, 1995
5305555 Belt grinding assembly having pivoting means Apr. 26, 1994
5253454 Metal skin buffing fixture and structure Oct. 19, 1993
5203120 Metal skin buffing fixture and structure Apr. 20, 1993
5161332 Chucking apparatus for the combined working of rolling bearing rings Nov. 10, 1992
5140775 Belt grinding assembly Aug. 25, 1992
5094037 Edge polisher Mar. 10, 1992
4914872 Apparatus and method for selectively contouring an airfoil root Apr. 10, 1990
4914867 Apparatus for processing end face optical fiber connector Apr. 10, 1990
4908995 Rail grinding method and apparatus Mar. 20, 1990
4829716 Apparatus for automatically performing plural sequential spherical grinding operations on workpieces May. 16, 1989
4813185 Jig or other tooling arrangement Mar. 21, 1989
4794741 Apparatus for machining transverse elements of a metal driving belt Jan. 3, 1989
4738056 Method and blasting apparatus for preparation of silicon wafer Apr. 19, 1988
4671018 Rigid disk finishing apparatus Jun. 9, 1987
4644700 Tailstock for universal grinding machines Feb. 24, 1987
4630403 Method and machine for grinding rotationally symmetrical workpieces Dec. 23, 1986
4608784 Work spindle device Sep. 2, 1986
4536993 Grinding machine Aug. 27, 1985
4531327 Centerless grinding machine with ferris wheel arrangement Jul. 30, 1985
4520595 Automatic machine tool Jun. 4, 1985
4471577 Double spindle grinding machine Sep. 18, 1984
4468893 Machine for machining and in particular grinding cylindrical surfaces Sep. 4, 1984
4052821 Automatic bur grinding machine Oct. 11, 1977
4051635 Apparatus for finishing shaped articles Oct. 4, 1977
4004333 Punching, contouring, handling apparatuses and method Jan. 25, 1977
3992822 Installation for polishing pieces of cutlery Nov. 23, 1976
3977131 Tire grinding machines Aug. 31, 1976

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