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Class Information
Number: 72/448
Name: Metal deforming > With means to drive tool > With means to permit tool positioning > To position stationary tool of tool-pair
Description: Apparatus wherein the movable tool cooperates with a second relatively immovable tool, and wherein said means changes the location of said second tool relative to the work or the movable tool.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7331207 Metal shaping apparatus Feb. 19, 2008
7325437 Long reach press Feb. 5, 2008
7243518 Hydraulic cut-off press Jul. 17, 2007
7204793 Device for moving die tools and moulds in a press Apr. 17, 2007
7134312 Die apparatus and die exchanging method in pressing machine Nov. 14, 2006
7107813 Progressive pressing apparatus Sep. 19, 2006
7100417 Lower die assembly in pressing machine Sep. 5, 2006
7073364 Die assembly having floating die section Jul. 11, 2006
6952943 Method and machine of manufacture of rotor elements Oct. 11, 2005
6931909 Punch press Aug. 23, 2005
6877353 Die button extractor Apr. 12, 2005
6715409 Method and apparatus for eliminating free clearances in a press shutheight adjustment mechanism Apr. 6, 2004
6708610 Bolster-elevating device for a press Mar. 23, 2004
6705150 Method of making a raised panel door section for a garage door Mar. 16, 2004
6612148 Press having tilt out feature Sep. 2, 2003
6568236 Rivet setting machine May. 27, 2003
6446478 Two-stage hemming machine with movable dies Sep. 10, 2002
6393942 Method of driving ejector pins to eject formed parts May. 28, 2002
6354125 Apparatus and method for hydroforming workpieces Mar. 12, 2002
6267050 Quick access/adjustment piston Jul. 31, 2001
6182492 Hemming machine Feb. 6, 2001
6058758 Press with a hydraulic plate May. 9, 2000
6055904 Shut height adjustment and crank support arrangements and methods for a thermoforming press May. 2, 2000
6000271 Metal forming apparatus and method of use Dec. 14, 1999
6000322 Transfer press die support Dec. 14, 1999
5915293 Method for compensating for variation in shut height during starting and stopping of a press Jun. 29, 1999
5706570 Terminal crimping device Jan. 13, 1998
5609099 Press shutheight adjustment mechanism with hydrostatic bearing pads Mar. 11, 1997
5582062 Die changing system including moving bolsters Dec. 10, 1996
5456165 Method for adjustment in motion of press shutheight Oct. 10, 1995
5398601 Press shutheight adjustment in motion mechanism Mar. 21, 1995
5345861 Press adjustment screw mechanism Sep. 13, 1994
5317892 Metal forming machine, contactless sensor coupling therefor Jun. 7, 1994
5277687 Press tool interchanging apparatus Jan. 11, 1994
5218901 Mechanism for obtaining precise registration between top and bottom dies in a press Jun. 15, 1993
5146774 Lift mechanism for installation and removal of press brake dies Sep. 15, 1992
5129254 Rollingly transportable press die apparatus Jul. 14, 1992
5121538 Deceleration method and apparatus for a moving bolster for a press Jun. 16, 1992
5113684 Electronic braking system for power press die change carriers May. 19, 1992
5076092 Yieldable roller assembly for a die set in a stamping press Dec. 31, 1991
5074143 Cart for removing and installing dies in a cut-off press Dec. 24, 1991
5040403 Method of changing stamping die sets Aug. 20, 1991
5040404 Die changing system and apparatus for stamping presses Aug. 20, 1991
5027633 Box makers forms Jul. 2, 1991
5000022 Presswork machinery Mar. 19, 1991
4966029 Method of bending a workpiece to a predetermined bending angle Oct. 30, 1990
4962654 Method of bending sheet metal pieces to a predetermined bending angle Oct. 16, 1990
4947673 Removable slide presses Aug. 14, 1990
4930334 Quick change structure for trim die Jun. 5, 1990
4916951 A press, having a substructure with vertical spring supports Apr. 17, 1990

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