Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374) |
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07/08/1987 | CN86107514A Forming roller in tube-rolling machine, forming process and apparatus therefor |
06/30/1987 | US4675992 Method and apparatus for forming a smooth tube from a flat tape |
06/24/1987 | EP0226167A2 Method of bending elongated material and bending machine for carrying out this method |
06/23/1987 | US4675489 Through guide for rounded blanks on a seam welding machine |
06/18/1987 | WO1987003518A1 Press forming sheet metal |
06/17/1987 | CN85108551A Pipe-plate integral type heat-collecting strip of solar energy heater for water heating |
06/16/1987 | US4672835 Apparatus for bending sheet material |
06/16/1987 | US4672831 Bending press |
06/09/1987 | US4671094 Portable sheet bending brake |
06/03/1987 | EP0224437A1 Optical apparatus with a radiant beam for the automatic control of the bending operation during the bending with a press brake |
05/12/1987 | US4663957 Roll stand for a cold forming apparatus |
04/30/1987 | DE3536674A1 Kit for a do-it-yourself sheet metal bending device |
04/28/1987 | US4660754 Process of forming welded tubing |
04/28/1987 | US4660402 Apparatus for adjusting tool length of bending machine |
04/28/1987 | US4660401 Apparatus for producing bearings in the form of press worked bush |
04/28/1987 | US4660399 Mobile roll-forming machine |
04/21/1987 | US4658625 Bending machine and a die changing system for such bending machine |
04/21/1987 | US4658624 Bending Machines |
04/14/1987 | US4656862 Press machine |
04/14/1987 | US4656861 Bending machine and a die changing system for such bending machine |
04/14/1987 | US4656858 Roll forming apparatus |
04/09/1987 | WO1987001977A1 Roll forming machines |
04/09/1987 | DE3541124C1 Apparatus for the production of internally tapered workpieces from a flat sheet-metal blank |
04/07/1987 | CA1220125A1 Portable sheet bending brake |
03/31/1987 | US4653307 Bending tool |
03/25/1987 | EP0215263A2 Press brake |
03/24/1987 | US4651553 Portable sheet bending brake |
03/19/1987 | DE3629270A1 Apparatus for the wear-free forming of dimensionally accurate sheet-metal components with an at least approximately L-shaped or U-shaped cross-section from sheet-metal blanks or sheet-metal parts |
03/19/1987 | DE3533044A1 Process and apparatus for the production of hollow rods and rolled sections |
03/11/1987 | EP0213667A2 Method and apparatus for bending sheet-like work pieces |
03/04/1987 | CN86104873A Roll forming of metal articles |
03/03/1987 | US4646420 Combined bending and cutting machine for metal plate |
02/18/1987 | CN85106336A Die for tube drawing |
02/17/1987 | CA1218003A1 Backgauge device |
02/12/1987 | WO1987000773A1 Roll forming of metal articles |
02/10/1987 | US4641516 Bending tool |
02/04/1987 | EP0210464A2 Forming contoured shapes |
02/03/1987 | US4640113 Sheet-bending press incorporating a device for continuous monitoring of the bending angle |
01/22/1987 | DE3524694A1 Clamping device for top tools in folding presses |
01/21/1987 | EP0116046B1 Hydraulic press |
01/15/1987 | DE3524940A1 Method for the production of short ends of thick-walled pipe lengths of different dimensions for offshore pipes and pressure vessels |
01/13/1987 | CA1216504A1 Device and method for bending corrugated plates |
01/13/1987 | CA1216503A1 Metal sheet folding and shearing machine |
01/06/1987 | US4633698 Method for preforming a substantially flat blank of an open clamp |
12/31/1986 | CN85205054U Plate type heat-exchanging unit |
12/30/1986 | EP0205992A2 Method of bending metal strip, in particular for can bodies |
12/16/1986 | US4628721 Method of roll forming cylindrical pipe |
12/10/1986 | EP0204290A2 A sheetmetal rolling machine for making a conical shell from a sheetmetal blank |
12/10/1986 | EP0120868B1 Roll edging machine |
12/09/1986 | US4627255 Apparatus for bending metal strip |
11/04/1986 | US4620435 Deflection compensating assembly for fabricating machine tools |
10/28/1986 | US4619131 Method for bending sheets |
10/22/1986 | EP0198779A2 Drawing device for forming a tube starting from a metal strip |
09/30/1986 | US4614105 Apparatus for manufacturing baffles for shell and tube type heat exchangers |
09/23/1986 | US4612796 Hydraulically actuated tooling clamps for the ram and bed of a press brake and the like |
09/02/1986 | US4608852 Press machine |
08/27/1986 | EP0192295A2 Structural beam and panel systems and methods for making the same |
08/19/1986 | US4606213 Tool for producing bends in curved surfaces |
08/19/1986 | US4606208 Pipe forming apparatus |
08/19/1986 | US4606119 Method and apparatus for forming a smooth tube from a flat tape |
08/05/1986 | US4603807 Mill for roll forming a fluted tube |
07/29/1986 | CA1208534A1 Adapter device for mounting punches on a bending press |
07/29/1986 | CA1208531A1 Portable sheet bending brake |
07/29/1986 | CA1208530A1 Combined portable sheet bending brake and coil holder |
07/15/1986 | CA1207810A1 Apparatus for folding a sheet of material into a folder |
07/09/1986 | EP0186909A2 Apparatus for adjusting tool length of bending machine |
07/08/1986 | US4599080 Method for folding jacket material for disk or the like |
07/01/1986 | US4597277 Process and apparatus for producing reinforced metal strips |
06/25/1986 | EP0185299A1 Pass-through guiding device of a seam-welding machine for the production of tubular blanks |
06/17/1986 | US4595135 Method and apparatus for forming heat exchanger tubes |
06/17/1986 | US4594870 Automatic bending apparatus |
06/17/1986 | US4594867 Sheet bending machine |
06/10/1986 | US4593550 Strip preparation rollers |
06/10/1986 | CA1205732A1 Tool arrangement for a bending press |
06/04/1986 | EP0182868A1 Pipe forming mill and method |
06/03/1986 | US4592518 Coil holder |
05/27/1986 | US4590784 Press brake |
05/27/1986 | US4590783 Press forming process and apparatus therefor |
05/27/1986 | US4590781 Method for forming an electric resistance welded steel pipe |
05/20/1986 | US4589836 Hydraulic press |
05/14/1986 | EP0065953B1 Apparatus for manufacturing a metal pipe |
05/06/1986 | US4586361 Press brake deflection compensation structure |
04/22/1986 | US4583391 Adjustable gage stop |
04/15/1986 | US4581917 Forming disc exchanging method and apparatus |
04/08/1986 | US4580437 Press construction |
04/08/1986 | US4580434 Deflection compensating assembly for a press brake |
04/08/1986 | US4580433 Method of bending shaped metal sheet and apparatus for carrying out the method |
04/02/1986 | EP0176167A1 Portable metal fabricating apparatus |
04/02/1986 | EP0176073A2 Method of bending plate materials |
04/01/1986 | US4578980 Angle indicator for hand operated sheet metal brake |
04/01/1986 | US4578978 Roll forming apparatus |
03/25/1986 | US4577538 Backgauge device |
03/11/1986 | US4574611 Device for bending metal stock |
02/25/1986 | CA1201049A1 Apparatus and method for press forming |
02/18/1986 | US4570474 Apparatus for bending metal plate in widthwise direction |
02/12/1986 | EP0170954A2 Profiling installation with at least one profiling machine |
01/28/1986 | US4566304 Sheet metal bending brake |
01/21/1986 | US4565084 Method and a tool for bending the edge of thick sheet metal |
01/21/1986 | CA1199562A1 Plate bending method and apparatus |
01/14/1986 | US4564765 Optoelectronic method and apparatus for measuring the bending angle of materials |