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Class Information
Number: 72/381
Name: Metal deforming > By relatively movable offset tool-faces (e.g., for bending or drawing) > Embodying three or more coacting relatively movable tools (i.e., tool complex)
Description: Device which comprises a first and a second movable tool and a co-acting tool and means to move or guide said second movable tool into engagement with work along a different path and/or at a different time with respect to said first movable tool, in such manner that all said tools are in simultaneous contact with the same work at some instant during an operation of the class type.










Sub-classes under this class:

Class Number Class Name Patents
72/382 Comprising yieldable tool or face portion 27
72/383 With concurrent actuation of tools 56


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8607603 Systems, devices and methods for multi-dimensional bending of an elongate member Dec. 17, 2013
8516874 Pillar for motor vehicle and tool for making the same Aug. 27, 2013
8459076 Method and device for producing closed profiles Jun. 11, 2013
8297101 Apparatus and method for forming wire loops for a dynamoelectric machine Oct. 30, 2012
8296922 Method for producing low-springback half shells Oct. 30, 2012
8256262 Method and apparatus for bending a metal member Sep. 4, 2012
8001689 Process for forming a variable gauge metal sheet into a desired shape Aug. 23, 2011
7765849 Plate-crimping press for making pipe Aug. 3, 2010
7665341 Negative-angle press-working die Feb. 23, 2010
7594331 Method of production of joining profiles for structural members Sep. 29, 2009
7263757 Electromagnetic trimming, flanging and hemming apparatus and method Sep. 4, 2007
7243523 Metal unit nesting machine Jul. 17, 2007
7243524 Negative-angle press-working die Jul. 17, 2007
6990844 Narrow aerial and die-mount cams Jan. 31, 2006
6983634 Rotary bending tool and method of manufacture Jan. 10, 2006
6823707 Mobile flange press and method Nov. 30, 2004
6715202 Tube bender for forming serpentine heat exchangers from spine fin tubing Apr. 6, 2004
6266858 Apparatus for manufacturing a header pipe Jul. 31, 2001
6250177 Cam apparatus Jun. 26, 2001
6185899 Metal panel structures Feb. 13, 2001
6182492 Hemming machine Feb. 6, 2001
6145198 Method of making a spring for earring clip Nov. 14, 2000
6079250 Adjustable mechanically operated hemming apparatus Jun. 27, 2000
6006549 Bending mold having side mounted weight assemblies and method of use thereof Dec. 28, 1999
5904064 Cam assembly for use in a pressing machine May. 18, 1999
5884521 High performance aerial and die mount cams Mar. 23, 1999
5878619 Laminated punch and die assemblies Mar. 9, 1999
5819578 Process and appartus for producing reinforcement profiles on sheet metal panels Oct. 13, 1998
5724851 Method and apparatus for forming a leaf spring eye Mar. 10, 1998
5711180 Pressing cam die Jan. 27, 1998
5593708 Apparatus for bending plastic pipe Jan. 14, 1997
5557964 Double plane bend former Sep. 24, 1996
5487296 Univers cam unit Jan. 30, 1996
5481897 Double plane bend former Jan. 9, 1996
5465600 Die assembly Nov. 14, 1995
5269167 Universal aerial cam unit Dec. 14, 1993
5253502 Apparatus and method for bending and forming sheet material Oct. 19, 1993
5216913 Bending machine for skein-shaped material Jun. 8, 1993
5211047 Die for bending a composite flange having a stretch portion and a straight portion May. 18, 1993
5158121 Method of bending lead of electric part and bender therefor Oct. 27, 1992
5125259 Hand tooling for forming electrical contact elements Jun. 30, 1992
5062289 Bending tooling for bending flat blanks Nov. 5, 1991
5036694 Method and apparatus for bending the flange of a workpiece Aug. 6, 1991
5012664 Progressive form die May. 7, 1991
4977771 Device for bending thin metallic pipe Dec. 18, 1990
4961335 Small-diameter metallic conduit Oct. 9, 1990
4949565 Distortion straightening method Aug. 21, 1990
4938050 Small-diameter metallic conduit bending machine Jul. 3, 1990
4903520 Method for straightening cast anodes Feb. 27, 1990
4903519 Apparatus for straightening cast anodes Feb. 27, 1990

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