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Class Information
Number: 72/217
Name: Metal deforming > By use of roller or roller-like tool-element > Comprising tool movable relative to stationary work-portion during deformation > Along a curved path > About a fixed pivot > Work between movable tool and pivot (e.g., sweep-arm bender)
Description: Subject matter wherein the center of curvature is positioned so that work to be deformed is situated intermediate the center and the tool.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404310 |
Mandrel anchor for tube bending |
Jul. 29, 2008 |
| 7383716 |
Tube bender and method of using same |
Jun. 10, 2008 |
| 7234338 |
Tubing bender and method |
Jun. 26, 2007 |
| 7188504 |
Wire bending device |
Mar. 13, 2007 |
| 7143629 |
Manual pipe bender |
Dec. 5, 2006 |
| 7134310 |
Tube bender |
Nov. 14, 2006 |
| 7131309 |
Bending system |
Nov. 7, 2006 |
| 7096707 |
Tube bender and method of using same |
Aug. 29, 2006 |
| 7024905 |
Portable electrical conduit pipe bending system |
Apr. 11, 2006 |
| 7017380 |
Bending assembly for bending machine |
Mar. 28, 2006 |
| 6993950 |
Rebar cutter and bender |
Feb. 7, 2006 |
| 6912886 |
Bending apparatus for pipe and tubing |
Jul. 5, 2005 |
| 6883360 |
Tube bender and method of using same |
Apr. 26, 2005 |
| 6813922 |
Bending machine for rods with resettable folding shank |
Nov. 9, 2004 |
| 6782728 |
Tube bending machine |
Aug. 31, 2004 |
| 6735995 |
Device and method for shaping conductor material into U-shape by bending the same |
May. 18, 2004 |
| 6711927 |
Bending apparatus for a long material |
Mar. 30, 2004 |
| 6681809 |
Device for bending an extremity of a torsional spring |
Jan. 27, 2004 |
| 6609405 |
Tube bender and method of using same |
Aug. 26, 2003 |
| 6591655 |
Apparatus for bending pipes |
Jul. 15, 2003 |
| 6463780 |
Tube bender and process |
Oct. 15, 2002 |
| 6308551 |
Apparatus for bending cutting blade |
Oct. 30, 2001 |
| 6230535 |
Wire bending apparatus |
May. 15, 2001 |
| 6026668 |
Electrically-powered cutting and bending machine |
Feb. 22, 2000 |
| 6023956 |
Device for bending a hollow section with a hold down clamp |
Feb. 15, 2000 |
| 6003358 |
Method and apparatus for forming bends in a selected sequence |
Dec. 21, 1999 |
| 5931039 |
Electrical bar cutting and bending tool |
Aug. 3, 1999 |
| 5927132 |
Method of bending bars |
Jul. 27, 1999 |
| 5878615 |
Apparatus and method for bending/cutting a workpiece |
Mar. 9, 1999 |
| 5836188 |
Method and apparatus for bending an elongated member to a target angle |
Nov. 17, 1998 |
| 5819580 |
Bending tool |
Oct. 13, 1998 |
| 5819581 |
Mechanism to prevent rotation |
Oct. 13, 1998 |
| 5782124 |
High force rebar bending machine |
Jul. 21, 1998 |
| 5775157 |
Swinging self-positioning support for pipe bending machines |
Jul. 7, 1998 |
| 5765426 |
Pipe bending apparatus |
Jun. 16, 1998 |
| 5758537 |
Method and apparatus for mounting, inspecting and adjusting probe card needles |
Jun. 2, 1998 |
| 5653139 |
Portable rebar bending device and method |
Aug. 5, 1997 |
| 5632175 |
Rebar fabricating apparatus |
May. 27, 1997 |
| 5626045 |
Metal stock bender |
May. 6, 1997 |
| 5598735 |
Hollow stabilizer manufacturing method |
Feb. 4, 1997 |
| 5566565 |
Pipe bending device |
Oct. 22, 1996 |
| 5537852 |
Bending assembly of a bending machine |
Jul. 23, 1996 |
| 5497643 |
Remote bending apparatus |
Mar. 12, 1996 |
| 5495741 |
Apparatus for bending a band-shaped work |
Mar. 5, 1996 |
| 5495740 |
Pipe bending machine |
Mar. 5, 1996 |
| 5490409 |
Adjustable cam action rod bender for surgical rods |
Feb. 13, 1996 |
| 5463888 |
Tube bending apparatus and method |
Nov. 7, 1995 |
| 5390522 |
Tandem roller pipe bender |
Feb. 21, 1995 |
| 5375447 |
Method to carry out bends and relative device |
Dec. 27, 1994 |
| 5373719 |
Device for generating bent portions in a pipe, particularly for generating a pipe coil |
Dec. 20, 1994 |
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