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Class Information
Number: 72/311
Name: Metal deforming > By use of non-deforming work-gripping clamp and relatively movable clamp, tool or work-forcer > Movable clamp
Description: Subject matter utilizing means to move or to guide the motion of said work-gripping instrumentality from one orientation or location to another while in effective work-gripping condition.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8490454 Machine for drawing metal sheets Jul. 23, 2013
8359896 Support jaw arrangement for sliding lateral support of rod-shaped and tubular workpieces in bending machines Jan. 29, 2013
8006530 Apparatus and methods for material fabrication Aug. 30, 2011
7963223 Apparatus and method for bending a printing plate Jun. 21, 2011
7921687 Wheel reconditioning method and apparatus Apr. 12, 2011
7891225 Bending machine Feb. 22, 2011
7721582 Bending machine for rod-shaped workpieces made from wire, tubular material or the like May. 25, 2010
7610788 Machine and method for preventing torsion of wire, material of prismatic cross-section, and rod material Nov. 3, 2009
7536892 Method and apparatus for forming sheet metal May. 26, 2009
7458242 Apparatus and method for manufacturing a rock bolt Dec. 2, 2008
7441435 Apparatus and method for automatic swaging of tubes Oct. 28, 2008
7401487 Apparatus and methods for material fabrication Jul. 22, 2008
7350389 Method and device for reshaping a work piece with automatic handling Apr. 1, 2008
7347079 Wheel reconditioning device Mar. 25, 2008
7328510 Elbow rotator Feb. 12, 2008
7260973 Method and apparatus for repairing a damaged propeller blade Aug. 28, 2007
7254975 Vehicle repair clamps Aug. 14, 2007
7054711 Unit for the production of track elements May. 30, 2006
7043954 Apparatus for straightening a propeller drive shaft May. 16, 2006
7040001 Metal encaustic tile making machine May. 9, 2006
7000443 Apparatus and method for folding a sheet material Feb. 21, 2006
6968721 Method of manufacturing blade retainer and manufacturing devices therefor Nov. 29, 2005
6957558 Encaustic metal tile fabrication equipment Oct. 25, 2005
6792784 Method and device for folding of ribbon cables Sep. 21, 2004
6735995 Device and method for shaping conductor material into U-shape by bending the same May. 18, 2004
6644081 System and method for adjusting helicopter blade trim tabs Nov. 11, 2003
6640600 Bending device Nov. 4, 2003
6612143 Robot and method for bending orthodontic archwires and other medical devices Sep. 2, 2003
6276187 Hydra clamp Aug. 21, 2001
6272898 System for anchoring frames to a platform Aug. 14, 2001
6185975 Apparatus for cold bending of metal sheets for making elongated articles with predetermined profile Feb. 13, 2001
6044680 Machining of sheet without removal of material Apr. 4, 2000
5979214 Bending machine for sheet-like workpieces, particularly for creating bent edges on sheet metal pieces Nov. 9, 1999
5852945 Apparatus for forming rod-like components Dec. 29, 1998
5836193 Apparatus for forming elongated metal articles and related method Nov. 17, 1998
5819576 Snowmobile straightening repair system Oct. 13, 1998
5765426 Pipe bending apparatus Jun. 16, 1998
5715721 Floating forming die Feb. 10, 1998
5713233 Vane adjustment machine Feb. 3, 1998
5615570 Method for bending a pipe and apparatus for bending the same Apr. 1, 1997
5507165 Hemming fixture Apr. 16, 1996
5499522 Double-head pipe bending machine Mar. 19, 1996
5394726 Apparatus and method for positioning and pressing curved surgical needles Mar. 7, 1995
5359872 Method and apparatus for sheet-metal processing Nov. 1, 1994
5293768 Apparatus for manufacturing a razor blade structure for shaving systems Mar. 15, 1994
5293767 Machine tool Mar. 15, 1994
5222384 Reciprocal conduit bender Jun. 29, 1993
5211046 Method for forming multistage hollow pipe May. 18, 1993
5111676 Tool for selectively bending the trailing edge tab of a helicopter blade while simultaneously measuring the true degree of tab bending May. 12, 1992
5099670 Plate bending machine Mar. 31, 1992

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