Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 7 - Bending rods, profiles, or tubes
Patents for B21D 7 - Bending rods, profiles, or tubes (6,195)
12/1984
12/24/1984US4485658 Carriage assembly for a tube bending machine
12/18/1984US4488425 Bending tool
12/18/1984US4488424 Puller and cable bender employing socket wrench means
12/04/1984US4485664 Device for forming and bending metal
11/1984
11/22/1984WO1984004475A1 Forming tool
11/06/1984CA1177376A1 Conduit bender with angle indications
10/1984
10/30/1984US4479373 Tube bending assembly, particularly for thin wall and small and medium diameter metal tubes
10/30/1984US4479372 Method of manufacturing metallic bent pipe
10/17/1984EP0121873A2 Method and apparatus for bending spacekeeping profiles for thermopane glasses
10/10/1984EP0121077A2 Pipe-bending machine
10/03/1984EP0120464A2 Device for bending tubes
10/03/1984EP0120336A1 Tube bending machine
10/02/1984US4474046 Rod bender
09/1984
09/26/1984EP0119599A2 Forming apparatus for performing bending operations
09/19/1984EP0118739A2 Pipe-bending arrangement
09/11/1984CA1174043A1 Device for measuring the fold angle in a sheet metal bending press
09/05/1984EP0117317A1 Method for bending a metal pipe
08/1984
08/21/1984US4466269 Convoluted tube bending tool
08/15/1984EP0115840A1 Method and device bending hollow metal profiles, especially frame structures for windows and doors
08/08/1984EP0053604A4 Method of producing multiple coil, multiple tube heat exchanger.
07/1984
07/31/1984US4462243 Tool support for machines
07/17/1984CA1170965A1 Incremental bending method and apparatus
06/1984
06/26/1984US4456036 Wire bending apparatus and a method of bending a wire
06/05/1984US4452550 Method and apparatus for laying pipelines on land
06/05/1984US4452064 Conduit bender with bend angle indicators
05/1984
05/30/1984EP0109905A1 Apparatus for bending tubes
05/22/1984US4449388 Method of bending shaped metal sheet and apparatus for carrying out the method
05/22/1984US4449387 Tube bending machine
05/16/1984EP0108193A2 Pipe-bending machine
05/15/1984US4448664 Anode for electrolysis
05/08/1984US4446713 Apparatus and method for bending insulated piping
05/08/1984US4446711 U-Bolt bender
04/1984
04/27/1984EP0062672A4 Bending tool.
04/24/1984US4444227 Mechanism for bending straight wires into zig-zags, in particular for machines for the production of diagonal grids
04/24/1984CA1166135A1 Self-repairing wiper die
04/17/1984US4442695 Conduit bender with angle indications
03/1984
03/14/1984EP0102630A2 Method of manufacturing metallic bent pipe
02/1984
02/28/1984US4433994 Method of manufacturing curved discharge tubes
02/21/1984US4432123 Process for the manufacture of double walled pipe
01/1984
01/31/1984US4428216 Tube bender
01/17/1984US4425784 For use with a pipe heater
01/10/1984US4424699 Tube bender construction
11/1983
11/22/1983US4416136 Pipe-bending machine
11/15/1983US4414833 Method and apparatus for bending a long metal member
11/09/1983EP0093685A1 Method of bending steel profiles
11/01/1983US4412442 Method for bending a metal pipe
11/01/1983US4412438 Pipe bending machine
09/1983
09/27/1983US4406147 Pipe-bending apparatus
09/14/1983EP0088576A2 Methods and apparatus for manufacturing cutting tools
09/14/1983EP0088152A1 A tube punching and/or bending assembly, particularly for punching holes having axes transversely to one another and/or for bending a tube with curves not coplanar to one another
09/13/1983US4403496 Tube bender construction
09/13/1983US4403495 Apparatus for bending channel section members
07/1983
07/05/1983US4391116 Lace bending apparatus
07/05/1983US4391115 Method and apparatus for bending metal beams
07/05/1983CA1149272A1 Method and apparatus for bending elongated pieces
06/1983
06/28/1983US4389873 Tube bender construction
06/28/1983US4389872 Tube bender construction
06/07/1983US4386516 Automatic bending machine
06/01/1983EP0080331A2 Winding machine
05/1983
05/25/1983EP0079587A1 Wire-bending machine
05/24/1983US4384467 Method of forming rings
05/11/1983EP0078275A1 Bending a plurality of pipes or like elongate members as an assembly
04/1983
04/27/1983EP0077338A1 Anvil
04/26/1983US4380922 Tube bender construction
04/26/1983US4380920 Adjustable wiper die for bending tubular members
04/26/1983US4380917 Tube-bending machine
04/13/1983EP0076783A1 Machine for bending tubes and sectional bars
04/12/1983US4379400 Tube bender construction
04/12/1983US4379399 Tube bender construction
04/06/1983EP0075843A2 Bending machine
04/05/1983CA1144054A1 Apparatus for bending tubes or bars and motor-pump unit therefor
03/1983
03/22/1983CA1143267A1 Metal strip bending mechanism
03/08/1983CA1142420A1 Apparatus for rolling curved sections
03/01/1983CA1142075A1 Formation of an arch from an elongate metal member
02/1983
02/08/1983US4372145 Conduit bending apparatus
01/1983
01/26/1983EP0070406A2 Method of producing a pipework duct having at least one elbow between two straight lengths of pipe
01/11/1983US4367641 Apparatus for bending and twisting elongated pieces
12/1982
12/07/1982US4362044 Pipe-bending die and method
11/1982
11/17/1982EP0064879A2 Reciprocating machine component
11/11/1982WO1982003807A1 Anvil
11/11/1982WO1982003806A1 Bending a plurality of pipes or like elongate members as an assembly
10/1982
10/28/1982WO1982003574A1 Method of effecting bending
10/26/1982US4355528 Device for bending metal pipe
10/26/1982US4355525 Production tube bending machine
10/20/1982EP0062672A1 Bending tool
10/05/1982US4352281 Method and apparatus for bending pipes
09/1982
09/30/1982WO1982003191A1 Method and apparatus for production of tubes,and resulting product
09/22/1982EP0060820A1 Method and apparatus for production of tubes
08/1982
08/24/1982CA1130418A1 Setting and controlling attachment for tube bending machines
08/17/1982CA1129759A1 Automatic punching and bending machine
07/1982
07/20/1982US4339861 Continuous working process of steel bars for reinforced concrete and apparatus therefor
06/1982
06/16/1982EP0053604A1 Method of producing multiple coil, multiple tube heat exchanger.
06/09/1982EP0053601A1 Apparatus for bending straight wires into a zig-zag form, in particular for machines for making diagonal network
06/01/1982US4332323 Destruction device for injection needles
05/1982
05/13/1982WO1982001486A1 Bending tool
04/1982
04/21/1982EP0049939A2 Method and apparatus for bending pipes
04/20/1982US4325244 Self-repairing wiper die
03/1982
03/30/1982US4321820 Pipe-bending tool
03/16/1982CA1119932A1 Small size portable bender
03/09/1982US4318289 Pipe cutting method and apparatus
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