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Class Information
Number: 72/422
Name: Metal deforming > With means to handle work or product > By gripper and/or endless chain
Description: Apparatus including either a work-gripping clamp or a band that moves in a closed loop about a plurality of separated noncoaxial pulleys or sprockets.










Sub-classes under this class:

Class Number Class Name Patents
72/423 With drum carrier for gripper 8


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8677798 Device for turning over a flattening element and flattening element engaging with said device Mar. 25, 2014
8607610 Apparatus and method for supporting tubes in extrusion lines Dec. 17, 2013
8601847 Bending device Dec. 10, 2013
8601848 Bending device Dec. 10, 2013
8555690 Plant for bending metallic flat elements such as panels, sheets, plates or similar, bending machine for such metallic flat elements and relative bending process Oct. 15, 2013
8544312 Press molding die structure and method of press molding work Oct. 1, 2013
8511135 Bending apparatus Aug. 20, 2013
8511136 Gripper assembly for a manipulator and method of use Aug. 20, 2013
8438897 Forming device May. 14, 2013
8336363 Gripping and handling device for metal containers Dec. 25, 2012
8322187 Bending device Dec. 4, 2012
8234903 Manipulator for forging machine Aug. 7, 2012
8113029 Drop forging method and forging device for carrying out said method Feb. 14, 2012
8074484 Manipulation device and production system Dec. 13, 2011
8056387 Bending device Nov. 15, 2011
8047034 Robot and method for bending orthodontic archwires and other medical devices Nov. 1, 2011
7891225 Bending machine Feb. 22, 2011
7891227 Gripping apparatus for gripping and holding elongated workpieces, in particular for bending machines Feb. 22, 2011
7784324 Workpiece gripper arrangement for automatic tool change operations Aug. 31, 2010
7748249 Workpiece conveyance device for pressing machine Jul. 6, 2010
7610785 Work positioning device Nov. 3, 2009
7534329 Frame for holding sheet material taut May. 19, 2009
7469568 Device for handling a workpiece during a shaping process Dec. 30, 2008
7444850 Method and device for shaping workpieces Nov. 4, 2008
7441435 Apparatus and method for automatic swaging of tubes Oct. 28, 2008
7398665 Deformation of thin walled bodies Jul. 15, 2008
7383715 Bending apparatus and method for bending flat materials Jun. 10, 2008
7373797 Method for bending workpieces May. 20, 2008
7350389 Method and device for reshaping a work piece with automatic handling Apr. 1, 2008
7237417 Roll preshaping Jul. 3, 2007
7237421 High-speed sheet feeding without grip pliers Jul. 3, 2007
7210328 Metal sheet folding device with depositing/positioning device May. 1, 2007
7201032 Transillumination unit Apr. 10, 2007
7150176 Vehicle frame attachment apparatus method and system Dec. 19, 2006
7082803 Hemming device and hemming method Aug. 1, 2006
7047785 Installation for processing metal bars with improved means for transferring the bars, and method provided thereby May. 23, 2006
7040133 Transmission device for a tube bending machine May. 9, 2006
7036350 Arrangement for production of cut out and/or unformed workpieces May. 2, 2006
7028524 Pick and place system Apr. 18, 2006
7010951 Feeding mechanism of an automatic pipe bending machine Mar. 14, 2006
7004000 Deformation of thin walled bodies Feb. 28, 2006
6964185 Apparatus for bending and transporting an aluminum sheet Nov. 15, 2005
6938454 Production device, especially a bending press, and method for operating said production device Sep. 6, 2005
6898956 Metal ring inputting and outputting device May. 31, 2005
6799450 Method of stretch forming an aluminum metal sheet and handling equipment for doing the same Oct. 5, 2004
6722178 Automatic bending system and manipulator for the system Apr. 20, 2004
6463781 System for drawing outer cylinder of rubber bush Oct. 15, 2002
6377871 Integrated die cast Apr. 23, 2002
6234465 Clamping apparatus May. 22, 2001
6192297 Method for handling metal sheets in a working area comprising a machine tool and a robot Feb. 20, 2001

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