Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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04/07/1987 | US4655069 Automatic machine for curving thin and rectilinear elements, such as metal wires |
03/31/1987 | US4653301 Bending machine for pipes, sections and similar |
03/26/1987 | WO1987001625A1 Pipe bending machine |
03/25/1987 | EP0215006A1 Device for bending conical wires. |
03/04/1987 | EP0053604B1 Method of producing multiple coil, multiple tube heat exchanger |
03/04/1987 | CN86205448U Elbow forming derice of little curvature u shape tube |
03/04/1987 | CN85106156A Follow bar with cam tracks for rocker type conduit bender |
03/03/1987 | US4646553 Press for cultivator shank |
02/26/1987 | DE3620151A1 Method and robotic device for bending bar-shaped stock or workpieces |
02/12/1987 | WO1987000775A1 Pipe bending machine |
02/12/1987 | WO1987000774A1 Pipe bending machine |
01/28/1987 | EP0209876A2 Universal bending machine and respective method for bending |
01/27/1987 | US4638665 Tube bender |
01/15/1987 | WO1987000097A1 Pipe bending machine |
01/15/1987 | WO1987000096A1 Pipe bending machine |
01/06/1987 | US4633698 Method for preforming a substantially flat blank of an open clamp |
01/02/1987 | DE3619643A1 Method and tube-bending machine for the application of a marking to a tube |
01/02/1987 | DE3523025A1 Method and apparatus for bending elongated metallic workpieces |
12/23/1986 | US4630459 Automatic coaxial cable bending apparatus |
12/09/1986 | US4627263 Method of and apparatus for making spacers for use in multiple-pane windows or the like |
12/09/1986 | US4627254 Cutting device for a multi-dimensional bending apparatus |
12/02/1986 | US4625531 Bending machine |
11/25/1986 | US4624121 Method of, and apparatus for producing multi-dimensionally bent elongate articles |
11/18/1986 | US4622837 Tube bender with spirit level indicator |
11/12/1986 | EP0200979A2 Tube bending machine |
11/04/1986 | CA1213421A1 Method of manufacturing metallic bent pipe |
10/29/1986 | EP0199246A2 Method for plastically deforming elongated hollow members |
10/29/1986 | EP0198984A2 Bending apparatus |
10/08/1986 | EP0196653A1 Method of bending a thick-walled metal tube, and device for carrying out the method |
10/07/1986 | US4615199 Strip bending |
09/16/1986 | US4611358 Device for tube cutting, reaming and bending |
09/09/1986 | CA1211032A1 Tube bending machine |
09/02/1986 | US4608849 Bending apparatus |
08/28/1986 | WO1986004837A1 Device for bending conical wires |
08/12/1986 | US4604885 Machine for the bending of stranded material |
07/15/1986 | CA1207647A1 Multi position article bender |
07/08/1986 | US4598565 Seal strip bending device for steam turbines |
06/24/1986 | US4596128 Method and apparatus for bending elongate workpieces, particularly pipes |
06/24/1986 | CA1206402A1 Tool support for machines |
06/17/1986 | US4594907 Reciprocating machine component |
06/17/1986 | US4594875 Bending machine |
06/17/1986 | CA1206082A1 Pipe bending machine |
06/04/1986 | EP0183531A2 Portable bending apparatus |
05/27/1986 | US4590779 Program-controlled frame bending method and apparatus |
05/13/1986 | US4587832 Pipe bending tool |
05/13/1986 | US4587824 Conductor bundle edge-bending tool for a dynamoelectric generator |
04/15/1986 | US4581917 Forming disc exchanging method and apparatus |
04/09/1986 | EP0177027A2 Apparatus for stretch-bending elongate material |
04/08/1986 | US4580433 Method of bending shaped metal sheet and apparatus for carrying out the method |
04/02/1986 | EP0175743A1 Method of manufacturing hairpin configured tubes. |
04/01/1986 | US4578977 Apparatus for performing roll bending on shape metal |
03/19/1986 | EP0174501A2 Method for bending section bars of metal, in particular of aluminium, with non supported webs, lips or the like |
03/04/1986 | US4573339 Manual tool for shaping horseshoes |
02/18/1986 | US4570474 Apparatus for bending metal plate in widthwise direction |
02/11/1986 | US4569219 Cable bending device |
02/04/1986 | US4567745 Tube bending machine |
01/29/1986 | EP0169564A2 Method and apparatus for bending elongate work pieces, in particular tubes |
01/15/1986 | EP0168331A2 Machine for bending of tubes, bars or profiles |
01/15/1986 | EP0168257A1 Process of manufacturing brake shoes |
01/14/1986 | US4563891 Pipe bending machine |
01/07/1986 | US4562754 Methods for constructing cutting tools |
01/03/1986 | WO1986000102A1 Seal-holding profile and process to manufacture it |
12/31/1985 | US4561279 Rod bending and cutting apparatus |
12/17/1985 | US4558583 Mobile pipe bending carriage |
12/11/1985 | EP0163769A2 A method and a machine for producing a metallic ring with specially contoured surfaces from a ring-shaped blank of selected cross-section |
11/26/1985 | US4554816 Method for the manufacture of a pipe bend |
11/12/1985 | US4552006 Bending apparatus |
10/15/1985 | US4546632 Portable conduit bending apparatus |
10/09/1985 | EP0157537A2 The manufacture of piston rings |
10/08/1985 | CA1194683A1 Device having power means for re-arching or de- arching a leaf spring |
10/02/1985 | EP0156068A2 Bending apparatus |
09/26/1985 | WO1985004242A1 Hairpin configured tubes and method of manufacture |
09/17/1985 | US4541267 Tool for straightening a bent body of a sickle bar |
09/04/1985 | EP0153323A1 Pipe deforming method and apparatus |
08/27/1985 | US4537053 Pipe bending machine |
08/27/1985 | US4537052 Follow bar with cam tracks for rocker type conduit bender |
08/21/1985 | EP0152224A2 Apparatus for producing articles bent in up to three dimensions |
08/14/1985 | EP0151534A2 Cutting device for a multi-dimensional bending apparatus |
08/06/1985 | US4532787 Portable electromechanically-controlled pipe-bending apparatus |
07/23/1985 | US4530226 Sweep-forming apparatus |
07/17/1985 | EP0148514A2 Method and apparatus for cold drawing and imparting curvature to metal tubes |
07/16/1985 | US4528830 Method for changing widthwise distribution of thickness of metal strip |
06/18/1985 | US4523766 Chuck assembly |
06/11/1985 | US4522055 Bending tool |
05/29/1985 | EP0142532A1 Forming tool |
05/21/1985 | CA1187389A1 U-bolt bender |
05/15/1985 | EP0141745A1 Automatic machine for bending thin and rectilinear elements, especially metal wire, into a spatial configuration |
05/09/1985 | WO1985001898A1 Improved automatic machine to camber with a spatial configuration thin and rectilinear elements, particularly metal wires |
05/02/1985 | EP0139415A2 Bending fixtures for laying pipes |
04/17/1985 | EP0137486A2 Apparatus for bending metal plate in widthwise direction |
03/26/1985 | US4506535 Device having power means for re-arching or de-arching a leaf spring |
03/12/1985 | US4503695 Apparatus for bending laying tubes |
02/19/1985 | US4499643 Process for manufacturing a piston ring |
02/05/1985 | US4497190 Apparatus for bending a rolling mill laying pipe |
01/29/1985 | US4495788 Multiple curvature bender |
01/16/1985 | EP0131429A2 Draw-bending apparatus and method |
01/03/1985 | WO1985000023A1 Pipe deforming method and apparatus |
01/02/1985 | CA1180259A Tube bender construction |
12/27/1984 | CA1179931A Bending |
12/25/1984 | US4489586 Device for measuring the fold angle in a sheet metal bending press |