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Class Information
Number: 269/22
Name: Work holders > With fluid means > With movable diaphragm
Description: Device including a flexible wall element, one side of said element being forced into contact with a workpiece by fluid pressure applied to the other side of said element.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672309 Windshield installation device and method of use Mar. 18, 2014
8505891 Method and device for fastening a planar substrate, having an electric circuit or the like, in a mounting position Aug. 13, 2013
8424857 Fixture for supporting a workpiece Apr. 23, 2013
8348252 Method and apparatus for aligning and/or leveling a test head Jan. 8, 2013
8168057 Balancing pressure to improve a fluid seal May. 1, 2012
8162302 Automated dolly assemblies Apr. 24, 2012
8100390 Clamp device Jan. 24, 2012
7926796 Bracing means Apr. 19, 2011
7560140 Pneumatically adjustable apparatus for coating toner fusing belt substrate and method for using same Jul. 14, 2009
7544262 Method of making a dunnage platform Jun. 9, 2009
7331583 Workpiece holder with a multi-piece bladder Feb. 19, 2008
7316403 Hydrostatic workpiece holder with a removable cartridge assembly Jan. 8, 2008
6948709 Assembled expanding lance Sep. 27, 2005
6786992 Method of making a dunnage platform Sep. 7, 2004
6568868 Fastening arrangement for joining body components May. 27, 2003
6488323 Apparatus for gripping oilfield tubulars without causing damage to such tubulars Dec. 3, 2002
6470942 Pneumatic clamping apparatus and method thereof Oct. 29, 2002
6463644 Tool for aligning vehicle fender on vehicle during assembly Oct. 15, 2002
6311966 Workpiece absorption carrier unit and absorption head Nov. 6, 2001
6182977 Clamping device Feb. 6, 2001
6155548 Fixture for aligning and clamping a workpiece, in particular a pack of printed circuit boards, on a machine tool Dec. 5, 2000
6079701 Glass cutter's table Jun. 27, 2000
6070781 System for bringing the joint edges of sheet material into butting relationship for welding Jun. 6, 2000
6015005 Respective inflatable arbors for making backdraft cavity in sand core and for forming part of core lift device insertable in cavity Jan. 18, 2000
6000687 Actuator for hydraulic tool holder Dec. 14, 1999
5975183 Repair pressure applicator for in the field damaged aircraft Nov. 2, 1999
5957443 Hydraulic work support Sep. 28, 1999
5906364 Air bladder fixture tooling for supporting circuit board assembly processing May. 25, 1999
5851007 Engine test stand kit Dec. 22, 1998
5820897 Apparatus for handling and dippling flexible belts using a blow molded polymer chucking device Oct. 13, 1998
5820117 Air bladder fixture tooling for supporting circuit board assembly processing Oct. 13, 1998
5728258 Portable non-gravitational positive pressure generator and method of use Mar. 17, 1998
5707052 System for supporting a printed circuit board during assembly Jan. 13, 1998
5695393 Tool for the precision processing of optical surfaces Dec. 9, 1997
5657972 Clamp with inflatable bladder Aug. 19, 1997
5637200 Compact disk locking apparatus Jun. 10, 1997
5593146 Hydraulically actuated bar-like clamping tool Jan. 14, 1997
5558714 Tank and work-holder apparatus for liquid coating for honeycomb structure Sep. 24, 1996
5545283 Apparatus for bonding wafer pairs Aug. 13, 1996
5465946 Positioning fixture for welding operations having a lockable ball joint Nov. 14, 1995
5462477 Method and device for deboning leg pieces of slaughtered animals Oct. 31, 1995
5450996 Seamer with improved back-up assembly Sep. 19, 1995
5423716 Wafer-handling apparatus having a resilient membrane which holds wafer when a vacuum is applied Jun. 13, 1995
5322719 Manufacturing apparatus and method Jun. 21, 1994
5206982 Die transfer structure and method May. 4, 1993
5190088 Method and apparatus for compressing a wood sample Mar. 2, 1993
5181647 Method and tooling for fabricating monolithic metal or metal matrix composite structures Jan. 26, 1993
5092510 Method and apparatus for circuit board support during component mounting Mar. 3, 1992
5090759 Apparatus for gripping an object Feb. 25, 1992
4989909 Friction grip for tubular goods Feb. 5, 1991

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