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Class Information
Number: 72/380
Name: Metal deforming > By relatively movable offset tool-faces (e.g., for bending or drawing)
Description: Device comprising means to drive or guide one or more tools* in such relationship to a coacting tool that the tool faces of all said tools are movable freely past each other without interfering contact, to effect a disclosed deforming operation.










Sub-classes under this class:

Class Number Class Name Patents
72/381 Embodying three or more coacting relatively movable tools (i.e., tool complex) 75
72/385 Multi-point tool-couple (e.g., corrugator) 95
72/384 Plural 87
72/386 With tool motion in fixed path 48


Patents under this class:

Patent Number Title Of Patent Date Issued
8640520 Bending device Feb. 4, 2014
8607603 Systems, devices and methods for multi-dimensional bending of an elongate member Dec. 17, 2013
8601855 Vise apparatus with a bending fixture Dec. 10, 2013
8590359 Pin regulator for electronic components Nov. 26, 2013
8555694 Bending apparatus and bending machine Oct. 15, 2013
8459076 Method and device for producing closed profiles Jun. 11, 2013
8453488 Apparatus for bending resilient tab Jun. 4, 2013
8418518 Contact bending fixture Apr. 16, 2013
8393192 Can end scoring method, and tooling assembly and conversion press therefor Mar. 12, 2013
8266942 Bending machine Sep. 18, 2012
8256119 Method and plant for manufacturing forks for lift trucks Sep. 4, 2012
8250762 Method of manufacturing metal member with plurality of projections Aug. 28, 2012
8001689 Process for forming a variable gauge metal sheet into a desired shape Aug. 23, 2011
7937983 Curved surface forming apparatus, optical scanning apparatus, and image forming apparatus May. 10, 2011
7874832 Assembly for producing an auto headliner with a folded-over perimeter edge Jan. 25, 2011
7762112 Fitting device for producing the arrangement for locking a sealing element, arranged at the front end on a rotor of a turbine, against a displacement in the circumferential direction, and meth Jul. 27, 2010
7473257 Bending pliers for perforated bone plates and bending-pliers system Jan. 6, 2009
7415860 Method and apparatus for pressing sheet material Aug. 26, 2008
7114359 Method for producing bent spring rails from an endless spring band Oct. 3, 2006
6988390 Method and installation for making a workpiece comprising at least a tubular section Jan. 24, 2006
6915677 Adjustable rail for shaping large single curvature parabolic membrane optic Jul. 12, 2005
6550303 Die for pipe bending apparatus Apr. 22, 2003
6523389 Segmented pipe-bending die Feb. 25, 2003
6377871 Integrated die cast Apr. 23, 2002
6298706 Apparatus for use in a pipe bending machine and method for bending pipe Oct. 9, 2001
5960836 Method and apparatus for injecting fluid into inflated tires Oct. 5, 1999
5481896 Knife bending apparatus Jan. 9, 1996
5290166 Plastic pipe bender and end socket former Mar. 1, 1994
5272643 Press brake with crown adjustment and movable table adjustment calculate from first and second die contiguous position Dec. 21, 1993
4920780 Hydraulic ram rail bender May. 1, 1990
4553420 Method and apparatus for touch-free lead bending Nov. 19, 1985
4528835 Roofing for building and method and apparatus for making the roofing Jul. 16, 1985
4502314 Automatic bending machine Mar. 5, 1985
4488237 Two dimensional press brake control system and apparatus Dec. 11, 1984
4485662 Suspension strut adjusting tool Dec. 4, 1984
4220031 Method for bending section-sheet, plate strip and like material Sep. 2, 1980
4103531 Method and apparatus for correcting bent strut misalignment Aug. 1, 1978
4005597 File forming press Feb. 1, 1977
3943747 Portable hot pipe bending apparatus Mar. 16, 1976
3934448 Racked pipe reamer Jan. 27, 1976











 
 
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