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Class Information
Number: 72/389.1
Name: Metal deforming > By relatively movable offset tool-faces (e.g., for bending or drawing) > With tool motion in fixed path > Between and co-planar with opposed tools
Description: Device including a first tool and an opposing second tool in which the first tool has a single tool-face* and the second tool has two contraposed tool-faces which lie in a plane which is parallel to the single tool-face, wherein the single tool-face passes between the contraposed tool faces to deform a workpiece thereon.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7412863 |
Work positioning device |
Aug. 19, 2008 |
| 7401490 |
Raised-center axle and process for forming |
Jul. 22, 2008 |
| 7325435 |
Method of manufacturing, apparatus and resulting irregular shaped cross section tubes |
Feb. 5, 2008 |
| 7310987 |
Bend-straightening machine with vertically movable table |
Dec. 25, 2007 |
| 7210321 |
Method and apparatus for measuring centerline runout and out of roundness of a shaft |
May. 1, 2007 |
| 7162903 |
Shaft truing system |
Jan. 16, 2007 |
| 7065994 |
Magnetic marker for manufacturing processes and identification of finished workpieces |
Jun. 27, 2006 |
| 7047789 |
Pipe bending apparatus |
May. 23, 2006 |
| 7004005 |
Method and apparatus for producing pipe from metal plate |
Feb. 28, 2006 |
| 7000447 |
Tube bending machine |
Feb. 21, 2006 |
| 6959572 |
Fixture for holding metals parts for bending or twist correction |
Nov. 1, 2005 |
| 6948277 |
Methods of making support structures for trellis systems |
Sep. 27, 2005 |
| 6865921 |
Material bender |
Mar. 15, 2005 |
| 6823707 |
Mobile flange press and method |
Nov. 30, 2004 |
| 6807839 |
Cold folding method for a hollow tube of magnesium |
Oct. 26, 2004 |
| 6644087 |
Rod bender for bending surgical rods |
Nov. 11, 2003 |
| 6526793 |
Magnetic marking and positioning system for unfinished metal bars |
Mar. 4, 2003 |
| 6523388 |
Vertical compression bending machine |
Feb. 25, 2003 |
| 6418772 |
Centering device and method for U-bolt bending machine |
Jul. 16, 2002 |
| 6370932 |
Folding apparatus for folding plates |
Apr. 16, 2002 |
| 6318424 |
Multi-purpose hydraulic press, metal bending, and log splitting apparatus |
Nov. 20, 2001 |
| 6185476 |
Apparatus and method for managing and distributing design and manufacturing information throughout a sheet metal production facility |
Feb. 6, 2001 |
| 6176115 |
Fractured seal ring |
Jan. 23, 2001 |
| 6128942 |
Bending machine |
Oct. 10, 2000 |
| 5956991 |
Forming device for shaped decoration panels |
Sep. 28, 1999 |
| 5953951 |
Method and apparatus for manufacturing bent products |
Sep. 21, 1999 |
| 5901601 |
Method and apparatus for bending malleable plates |
May. 11, 1999 |
| 5884519 |
Automatic hydraulic pin up system for a pipe bending apparatus |
Mar. 23, 1999 |
| 5865056 |
Bending method and apparatus for effecting corrective displacement of a workpiece |
Feb. 2, 1999 |
| 5839315 |
Bend-straightening machine |
Nov. 24, 1998 |
| 5836196 |
Device for forming roofing tiles |
Nov. 17, 1998 |
| 5812406 |
Method and apparatus for recording operating status of an NC processing machine |
Sep. 22, 1998 |
| 5761950 |
Tube bender |
Jun. 9, 1998 |
| 5752406 |
Flexible coining die |
May. 19, 1998 |
| 5661994 |
Tube shaping apparatus |
Sep. 2, 1997 |
| 5615572 |
Hydraulic tube bender |
Apr. 1, 1997 |
| 5603236 |
Sheet material bending angle detector, and operation method of press machine using the detector |
Feb. 18, 1997 |
| 5600993 |
Flexible shoe for a bending machine |
Feb. 11, 1997 |
| 5557964 |
Double plane bend former |
Sep. 24, 1996 |
| 5528921 |
Tube bending appartus |
Jun. 25, 1996 |
| 5461928 |
Device for compressing a specimen at high temperature, in particular for advanced tensile materials |
Oct. 31, 1995 |
| 5460027 |
Punch clamp device |
Oct. 24, 1995 |
| 5410904 |
Bending press having die storage section |
May. 2, 1995 |
| 5365767 |
Brake press arrangement |
Nov. 22, 1994 |
| 5307659 |
Plate bending machine |
May. 3, 1994 |
| 5243902 |
Hydraulic bending press with movable lower platen |
Sep. 14, 1993 |
| 5237847 |
Tube bending apparatus |
Aug. 24, 1993 |
| 5199293 |
Sheet workpiece bending machine |
Apr. 6, 1993 |
| 5125252 |
Variable geometry tube bending dies |
Jun. 30, 1992 |
| 4949565 |
Distortion straightening method |
Aug. 21, 1990 |
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