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Class Information
Number: 72/149
Name: Metal deforming > By deflecting successively-presented portions of work during bodily movement thereof (e.g., for coiling, levelling, curving or troughing material in movement) > By use of work-contacting wiper and moving, work-holding form
Description: Subject matter wherein the instrumentality comprises: (1) a first member adjacent the work and engaging a surface thereof, to confine the work to movement along its original direction, and cooperating with (2) a second member movable in an arc about an axis-of-bend*, which axis-of-bend is disposed transversely of the direction of work movement, said second member having: (a) a peripheral surface tangent to said course and along which surface the work is to be laid thus imparting the shape of the surface to the product, and (b) means for temporarily securing a portion of said work to said surface so that the secured portion partakes of all movement of said second member, while trailing portions are constrained by the first member and the work is deformed by and between the two members.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7594417 |
Apparatus for wiper die monitoring |
Sep. 29, 2009 |
| 7584637 |
Bending apparatus and method of bending a metal object |
Sep. 8, 2009 |
| 7549310 |
Mandrel assembly for manufacturing tubular products |
Jun. 23, 2009 |
| 7500372 |
Bending machine with a controlled-return bending die |
Mar. 10, 2009 |
| 7444849 |
Pipe bending apparatus |
Nov. 4, 2008 |
| 7404310 |
Mandrel anchor for tube bending |
Jul. 29, 2008 |
| 7380430 |
Rotary draw tube bender |
Jun. 3, 2008 |
| 7360385 |
Quick change bend tooling bolster |
Apr. 22, 2008 |
| 7325431 |
Clamp assembly for bend arm of tube bending machine |
Feb. 5, 2008 |
| 7299671 |
Bending device for bending machine |
Nov. 27, 2007 |
| 7290421 |
Variable curvature tube and draw die therefor |
Nov. 6, 2007 |
| 7269988 |
Bending machine |
Sep. 18, 2007 |
| 7254972 |
Moving mold mechanism of a pipe bending machine |
Aug. 14, 2007 |
| 7251976 |
Apparatus and method for the noncircular bending of tubes |
Aug. 7, 2007 |
| 7234338 |
Tubing bender and method |
Jun. 26, 2007 |
| 7213430 |
Tube bending machine and its right and/or left bending device |
May. 8, 2007 |
| 7181947 |
Bending machine with a compact bend arm |
Feb. 27, 2007 |
| 7171834 |
External sleeve assisted tube bending |
Feb. 6, 2007 |
| 7162905 |
Pipe bending pressure die with reversible exit block |
Jan. 16, 2007 |
| 7159430 |
Bending device with cutting mechanism |
Jan. 9, 2007 |
| 7150175 |
Clamp assembly for bend arm of tube bending machine |
Dec. 19, 2006 |
| 7143621 |
Guide support for a tube-bending machine |
Dec. 5, 2006 |
| 7131309 |
Bending system |
Nov. 7, 2006 |
| 7131313 |
Bending method and mandrel of multi-layered pipe |
Nov. 7, 2006 |
| 7131306 |
Bending machine die provided with a vise for clamping an elongated workpiece to be bent |
Nov. 7, 2006 |
| 7104100 |
Bending device for tube |
Sep. 12, 2006 |
| 7100414 |
Adjustable cam assembly for mounting a pressure die to a pipe bending machine |
Sep. 5, 2006 |
| 7082798 |
Pipe bending machine |
Aug. 1, 2006 |
| 7076982 |
Concentric bore bend die and clamp insert assembly |
Jul. 18, 2006 |
| 7040133 |
Transmission device for a tube bending machine |
May. 9, 2006 |
| 7028521 |
Pipe feeding mechanism of an automatic pipe bender |
Apr. 18, 2006 |
| 7024903 |
Bending system with multilevel bending tool |
Apr. 11, 2006 |
| 7021102 |
Bending machine with bending tools on opposite sides of a tool platen |
Apr. 4, 2006 |
| 7021107 |
Bending processor of pipe |
Apr. 4, 2006 |
| 7017380 |
Bending assembly for bending machine |
Mar. 28, 2006 |
| 7010951 |
Feeding mechanism of an automatic pipe bending machine |
Mar. 14, 2006 |
| 7007534 |
Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts |
Mar. 7, 2006 |
| 6976378 |
Bending machine |
Dec. 20, 2005 |
| 6854311 |
Bending machine for tubing, bar and the like |
Feb. 15, 2005 |
| 6820450 |
Bending device |
Nov. 23, 2004 |
| 6694794 |
Draw-bending machine |
Feb. 24, 2004 |
| 6644079 |
Hairpin bender with leg length measurement and adjustment feature |
Nov. 11, 2003 |
| 6434995 |
Method of bending small diameter metal pipe and its apparatus |
Aug. 20, 2002 |
| 6260395 |
Vertically oriented apparatus for bending tubing, and method of using same |
Jul. 17, 2001 |
| 6220069 |
Method and apparatus for bending tubing |
Apr. 24, 2001 |
| 6192728 |
Pipe bending machine accurately controlling bent angles of pipes |
Feb. 27, 2001 |
| 6170310 |
Transmission shaft of a movable arm of a pipe bender |
Jan. 9, 2001 |
| 6134932 |
Machine for bending or cambering a profile section, and bending head therefor |
Oct. 24, 2000 |
| 6044687 |
Three-dimensional simple flexible mould for bending pipes |
Apr. 4, 2000 |
| 6038903 |
Dual headed bending machine |
Mar. 21, 2000 |
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