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Class Information
Number: 72/385
Name: Metal deforming > By relatively movable offset tool-faces (e.g., for bending or drawing) > Multi-point tool-couple (e.g., corrugator)
Description: Device wherein each of said plurality of relatively movable tools comprises two or more distinct and spaced work-engaging face portions.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8661670 Apparatus for producing a structured metal sheet for exhaust gas treatment devices Mar. 4, 2014
8561451 Tubes and method and apparatus for producing tubes Oct. 22, 2013
8429947 Apparatus and method for shaping electric wire for stator coil of electric rotating machine Apr. 30, 2013
8424358 Production equipment for producing corrugated fin Apr. 23, 2013
8402805 Method and apparatus for forming a corrugated web having a continuously varying shape Mar. 26, 2013
8333098 Bending method Dec. 18, 2012
8151617 Turbulizers and method for forming same Apr. 10, 2012
8082770 Apparatus and method for forming wire loops for a dynamoelectric machine Dec. 27, 2011
7832250 Method and apparatus for automating production of sinuous springs Nov. 16, 2010
7793531 Adjustable corrugating die sets and method of forming corrugations of varying configurations Sep. 14, 2010
7779663 Finished product receiving rack of a corrugated metal sheet member fabrication system Aug. 24, 2010
7765849 Plate-crimping press for making pipe Aug. 3, 2010
7640776 Expanded metal machine Jan. 5, 2010
7637011 Method for producing a structured metal sheet for exhaust-gas treatment devices and apparatus for producing the structured metal sheet Dec. 29, 2009
7624768 Method and apparatus for forming a wire to include coil segments Dec. 1, 2009
7487658 Device for sheet material corrugation Feb. 10, 2009
7458802 Foldable mandrel for production of a single curvature folded core for a sandwich panel Dec. 2, 2008
7415860 Method and apparatus for pressing sheet material Aug. 26, 2008
7363797 Process for producing corrugated plate and device for producing corrugated plate Apr. 29, 2008
7340935 Equipment for producing corrugate fin Mar. 11, 2008
7272968 Device for shaping corrugated fin Sep. 25, 2007
7269988 Bending machine Sep. 18, 2007
7210324 Process and apparatus for producing an ordered packing May. 1, 2007
7178374 Press forming apparatus for fuel cell metal separator Feb. 20, 2007
7127930 Device and method for press forming Oct. 31, 2006
7080540 Forming tool for forming the undulating heat exchanger surfaces of a heat exchanger via cold bending of a sheet and a method for the realization of the forming profile of such a tool Jul. 25, 2006
7040001 Metal encaustic tile making machine May. 9, 2006
7024907 Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus Apr. 11, 2006
6976378 Bending machine Dec. 20, 2005
6957558 Encaustic metal tile fabrication equipment Oct. 25, 2005
6840080 Press-forming apparatus Jan. 11, 2005
6834525 Adjustable corrugation apparatus and method Dec. 28, 2004
6675618 Method for manufacturing heat transfer member Jan. 13, 2004
6591647 Method for manufacturing a corrugated fin for a plate-type heat exchanger and device for implementing such a method Jul. 15, 2003
6557389 Machine for corrugating metal foils May. 6, 2003
6502447 Device and method for manufacturing turbulators for use in compact heat exchangers Jan. 7, 2003
6497131 Apparatus for stepwise bending of sheet metal pieces or similar material Dec. 24, 2002
6474124 Cold steel cambering apparatus and method Nov. 5, 2002
6354130 Method for bending a corrugated sheet Mar. 12, 2002
6164107 Radius crimping tool Dec. 26, 2000
6021657 Method and apparatus for forming a wave curb for milking parlor Feb. 8, 2000
6000270 Collimator having tapered edges and method of making the same Dec. 14, 1999
5937519 Method and assembly for manufacturing a convoluted heat exchanger core Aug. 17, 1999
5823253 Plate heat exchanger and method for its manufacture Oct. 20, 1998
5794483 Angled blade tooling for a fin machine Aug. 18, 1998
5694803 Fin folding machine for corrugating sheet material Dec. 9, 1997
5632180 Method of and apparatus for producing corrugated sheet with plane-parallel outer edge surfaces May. 27, 1997
5477724 Apparatus for forming bale tie for package Dec. 26, 1995
5303572 Panel bending apparatus and method Apr. 19, 1994
5295303 Method of making a corrugated fin Mar. 22, 1994

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