| Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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| 03/04/1982 | WO1982000612A1 Apparatus for bending rattan stems |
| 02/16/1982 | US4315422 Bender employing socket wrench means |
| 02/10/1982 | EP0045470A1 Method and apparatus for bending a long metal object |
| 02/02/1982 | US4313330 Pipe bending apparatus |
| 02/02/1982 | US4313324 Reversible bending machine |
| 12/09/1981 | EP0041432A1 Apparatus for deforming tubes |
| 12/08/1981 | US4304117 Bending tool |
| 11/26/1981 | WO1981003300A1 Method of producing multiple coil,multiple tube heat exchanger |
| 11/10/1981 | US4299113 Apparatus for bending tubes or bars and motor-pump unit therefor |
| 11/04/1981 | EP0006934B1 A destruction device for injection needles |
| 10/13/1981 | US4294102 Device for bending and hardening bar material |
| 10/06/1981 | US4292834 Irregular shape rod bending apparatus |
| 09/29/1981 | CA1109777A1 Hand operated tube crimping apparatus |
| 09/17/1981 | WO1981002535A1 A method of bending shaped metal sheet and apparatus for carrying out the method |
| 09/15/1981 | CA1108938A1 Core strip blank, core strip and method of making same |
| 09/09/1981 | EP0035483A2 A method of bending shaped metal sheet and apparatus for carrying out the method |
| 09/08/1981 | US4287743 Method and device for the manufacture of helical rotor blanks for helical gear machines |
| 08/25/1981 | CA1107622A1 Stirrup machine |
| 08/11/1981 | US4282737 Hand operated bending apparatus and method for metal bar, tubing and the like |
| 08/11/1981 | CA1106740A1 Pipe-bending apparatus |
| 07/29/1981 | EP0032795A2 Apparatus for bending elongate workpieces |
| 07/29/1981 | EP0032656A2 Installation for manufacturing stirrups of different shapes and sizes, particularly of concrete-reinforcing stirrups |
| 06/16/1981 | US4273836 Core strip blank, core strip and method of making same |
| 06/09/1981 | USRE30639 Process and device for bending elongated articles |
| 06/09/1981 | CA1102670A1 Forming die and process for tubular fittings |
| 06/03/1981 | EP0029694A1 Incremental bending method and apparatus |
| 05/26/1981 | US4269056 Conduit bender construction |
| 05/26/1981 | US4269054 Bending method |
| 05/05/1981 | US4265106 Pipe-bending apparatus |
| 05/05/1981 | CA1100397A1 Method and apparatus of bending metal elongate materials |
| 04/21/1981 | US4262515 Method and apparatus for bending a tube |
| 04/21/1981 | US4262509 Arrangement for positioning a workpiece |
| 04/21/1981 | CA1099621A1 No-size squeezing of 180 degree boiler-tube return bends |
| 04/07/1981 | CA1098811A1 Multiple station tube bender |
| 04/01/1981 | EP0025929A1 Method for bending a metal pipe |
| 03/24/1981 | CA1098018A1 Single piece self-supporting shoe for use in a conduit bender |
| 03/11/1981 | EP0025002A1 Apparatus for bending tubes in crank or S shape |
| 03/10/1981 | US4254651 Device for bending metal objects |
| 03/10/1981 | US4254649 Tube bending device |
| 03/10/1981 | CA1097199A1 Device and method for working metal objects and products thereof |
| 02/10/1981 | US4249407 Apparatus for bending steel tubes |
| 02/03/1981 | US4248273 Stirrup machine |
| 12/30/1980 | CA1092345A1 Device for measuring the bending angles in plate- bending machines |
| 12/09/1980 | US4237718 Bending tool |
| 12/02/1980 | US4236398 Tube bending machine |
| 11/11/1980 | US4232813 Method and apparatus for making bent pipe |
| 11/11/1980 | US4232542 Portable manually controlled pipe-bending apparatus provided with reversible bending members |
| 09/23/1980 | US4223543 Small size, portable bender |
| 09/17/1980 | EP0015354A1 Stirrup machine |
| 09/02/1980 | US4220028 Method and device for producing tube bends |
| 08/20/1980 | EP0014461A1 Device for bending metal tubes |
| 08/19/1980 | CA1084147A1 Soft-wired machine tool control |
| 07/29/1980 | CA1082532A1 Method of forming circularly bent articles, in particular wheel rims, from a straight metal profiled strip and apparatus for performing the method |
| 06/11/1980 | EP0012104A1 Device for bending and cutting wire without displacement of the rollers |
| 06/10/1980 | US4206629 Back shoe for a tube bender |
| 06/10/1980 | US4206620 Dual motor carriage drive |
| 05/20/1980 | US4203477 Material working machine mounting tools in several planes |
| 05/20/1980 | CA1077690A1 Apparatus for forming serpentine heat exchangers |
| 05/06/1980 | US4201073 Reaction bender for pipe |
| 04/22/1980 | US4198842 Hand operated tube crimping apparatus |
| 04/22/1980 | US4198840 Tool for bending metal pipes |
| 04/08/1980 | US4196610 Conduit bender |
| 04/01/1980 | US4195506 Method and apparatus for bending elongated materials |
| 04/01/1980 | CA1074682A1 Method and apparatus for simultaneous edge bending of stair rail cap stock and channel stock |
| 03/18/1980 | US4193607 Chuck with opposed gripping |
| 01/15/1980 | CA1069810A1 Pipe bending machine |
| 01/01/1980 | US4180997 Single piece self-supporting shoe for use in a conduit bender |
| 12/18/1979 | US4178788 Adjustable clamp die |
| 12/11/1979 | US4177661 Method and apparatus for bending large pipes |
| 11/27/1979 | US4175419 No-size squeezing of 180 degree boiler-tube return bends |
| 11/20/1979 | CA1066478A1 Lug replacement |
| 10/31/1979 | EP0004858A2 Bending apparatus for tubes |
| 10/30/1979 | US4172376 Multiple station tube bender |
| 09/18/1979 | US4167865 Hand-operated bender apparatus |
| 08/14/1979 | US4164133 Apparatus for forming circularly bent articles from a straight metal profiled strip |
| 07/24/1979 | CA1059010A1 Binding tool |
| 07/17/1979 | US4161110 Automatic control device for a bending machine |
| 06/19/1979 | CA1056707A1 Method and machine for bending flat strip to a cylindrical shape |
| 06/12/1979 | US4157654 Tube forming process |
| 06/05/1979 | US4157024 Forming die and process for tubular fittings |
| 05/29/1979 | CA1055379A Bending apparatus for perforating strips |
| 05/29/1979 | CA1055378A Adjustable die holder |
| 05/15/1979 | US4154077 Apparatus and method for manufacturing curved building panels |
| 05/03/1979 | WO1979000239A1 A destruction device for injection needles |
| 05/01/1979 | US4151733 Method of producing thrust washers |
| 05/01/1979 | US4151732 Process and device for bending elongated articles |
| 04/17/1979 | US4150279 Ring rolling methods and apparatus |
| 04/17/1979 | CA1052678A1 Tube bending tool with angle sighting means |
| 03/27/1979 | US4145904 Bending and helix-forming apparatus |
| 03/27/1979 | CA1051332A1 Portable electric driven conduit bender |
| 03/06/1979 | US4142394 Apparatus for forming circularly bent articles from a straight profiled strip |
| 02/27/1979 | US4141235 Hydraulic bending machine |
| 02/13/1979 | CA1048253A1 Run-out apparatus and method for rollformed panels |
| 02/06/1979 | US4137743 Process and apparatus for bending two tubes with one extending through the other |
| 02/06/1979 | CA1047900A1 Method for producing large diameter steel pipes |
| 01/23/1979 | US4135380 Method of and an apparatus for manufacturing elongated curved tubular elements |
| 01/09/1979 | US4133198 Apparatus for bending large area construction units |
| 01/02/1979 | US4132106 Method for bending wire or strip material into round parts |
| 01/02/1979 | US4132104 Method and apparatus for bending coated pipe including heating the pipe coating by resistance heating |
| 01/02/1979 | US4132100 Hand-operated tool for bending pipes |