| Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374) |
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| 07/09/1980 | EP0013206A1 Bending apparatus, in particular for working zinc sheets on sites |
| 07/01/1980 | US4210007 Bending machine |
| 06/24/1980 | CA1080102A1 Bending press |
| 06/10/1980 | US4207048 Power presses and components for such presses |
| 06/10/1980 | US4206625 Method and apparatus for shaping a strip |
| 05/28/1980 | EP0011096A1 Line pipe forming apparatus |
| 05/27/1980 | US4204415 Process and apparatus for continuously transforming a strip to an elongated pipe |
| 05/13/1980 | CA1077387A1 Automatic load unload turret punch |
| 04/15/1980 | US4197729 Hold down roll assembly for aligning longitudinal tubular edges in a tube forming apparatus |
| 04/15/1980 | CA1075575A1 Three-point, air-bending sheet metal bender |
| 04/15/1980 | CA1075448A1 Die means having workpiece releasing means |
| 04/01/1980 | US4195509 Device for bending ring segment-shaped plate blanks into conically shaped parts |
| 03/11/1980 | US4192170 Drawing die for making a pipe elbow |
| 03/11/1980 | US4192168 Gaging system with pivotable gage bar |
| 03/04/1980 | US4191040 Ferrule rolling machine |
| 02/19/1980 | US4188815 Die changing apparatus for a bending brake |
| 02/12/1980 | US4187596 Method and apparatus for manufacturing a solar energy collector |
| 02/12/1980 | CA1071443A1 Cold-roll forming stand |
| 02/05/1980 | CA1071031A1 Apparatus for manufacture of ship's propellers |
| 01/29/1980 | US4185487 Side access cleat former apparatus and method of use |
| 01/23/1980 | EP0007148A1 Method of and apparatus for increasing the fin density of heat exchanger sheet material |
| 01/08/1980 | CA1069365A1 Apparatus for forming a convoluted container sidewall |
| 01/01/1980 | US4181002 Tools for bending sheet metal |
| 12/04/1979 | US4176539 Cold-roll forming stand |
| 12/04/1979 | CA1067384A1 Sheet metal bending means |
| 12/04/1979 | CA1067320A1 Roll forming apparatus and method |
| 11/20/1979 | CA1066600A1 Sheet metal bending machine |
| 11/20/1979 | CA1066478A1 Lug replacement |
| 11/13/1979 | US4173879 Method and apparatus for forming a metal strip |
| 10/31/1979 | EP0005060A1 Improvements relating to cold sheet metal roll forming apparatus |
| 10/18/1979 | WO1979000805A1 Process and device for adjusting the depth of penetration of a punch in a folding press |
| 10/16/1979 | US4170889 Method and apparatus for roll-forming an end plate |
| 10/09/1979 | US4170124 Hydraulic control system for press brakes and the like |
| 09/11/1979 | CA1062136A1 Wide-range sheet material bending brake |
| 09/04/1979 | US4166369 Safety device for press brake |
| 09/04/1979 | CA1061695A1 Bending press or similar machine tool |
| 08/28/1979 | US4165628 Fin pass roll |
| 08/22/1979 | EP0003476A1 Bending tool for producing U-shaped blanks |
| 08/07/1979 | US4163381 Method and apparatus for making a trophy column |
| 08/07/1979 | US4163380 Forming of preconsolidated metal matrix composites |
| 07/25/1979 | EP0003076A1 Improvements relating to power presses and spacer assemblies for such presses |
| 06/26/1979 | US4159217 Cryogenic forming |
| 06/19/1979 | CA1056862A1 Machine for producing folded structures |
| 06/19/1979 | CA1056707A1 Method and machine for bending flat strip to a cylindrical shape |
| 06/05/1979 | CA1055740A1 Mobile forming machine with embossing rolls |
| 05/29/1979 | CA1055378A Adjustable die holder |
| 05/15/1979 | US4154077 Apparatus and method for manufacturing curved building panels |
| 05/01/1979 | CA1053554A1 Bending tool |
| 04/24/1979 | CA1052989A1 Method and apparatus for manufacturing metal pipe |
| 04/17/1979 | US4150279 Ring rolling methods and apparatus |
| 04/17/1979 | US4149399 Method of forming tubes or pipes |
| 04/10/1979 | US4148426 Method and apparatus for manufacturing metal pipe |
| 04/10/1979 | US4148203 Computer-controlled press brake |
| 04/03/1979 | CA1051720A1 Press mechanism for stamp forming articles from plate material |
| 03/27/1979 | US4145908 Incremental hot sizing of titanium |
| 03/27/1979 | US4145905 Method and apparatus for controlling bow in venetian blind slats |
| 03/27/1979 | US4145904 Bending and helix-forming apparatus |
| 03/06/1979 | US4142395 Bending machine |
| 03/06/1979 | US4142393 Profiling machine |
| 02/20/1979 | CA1048864A1 Die pad assembly |
| 02/13/1979 | US4138875 Sheet metal bending machine |
| 02/13/1979 | CA1048253A1 Run-out apparatus and method for rollformed panels |
| 02/06/1979 | US4137746 Bending matrix and liner |
| 02/06/1979 | US4137643 Gauging assembly |
| 02/06/1979 | CA1047908A1 Sheet-plate positioning device for machine tools |
| 01/09/1979 | US4133198 Apparatus for bending large area construction units |
| 01/09/1979 | US4133197 Roll-type machine for forming cylindrical sheet metal bodies |
| 01/02/1979 | US4132106 Method for bending wire or strip material into round parts |
| 01/02/1979 | US4132099 Four-roller workpiece bending machine |
| 12/26/1978 | US4131057 Apparatus for forming a convoluted container sidewall |
| 12/26/1978 | US4131008 Device for measuring the bending angles in plate-bending machines |
| 12/05/1978 | CA1043679A1 Process and apparatus for forming sheet metal structures |
| 11/28/1978 | CA1043242A1 Combination cleat bender and bar folder apparatus |
| 11/14/1978 | US4125006 Sheet metal former |
| 11/07/1978 | CA1041889A1 Machine for processing metal in sheet or plate form |
| 10/31/1978 | US4122696 Method and apparatus for manufacturing metallic pipe |
| 09/26/1978 | US4116038 Apparatus for shaping sheet material |
| 09/19/1978 | US4114418 Material handling means |
| 09/19/1978 | CA1038741A1 Machine tool apron guiding system |
| 09/12/1978 | US4112731 Light gauge sheet metal forming machine |
| 09/12/1978 | US4112722 Cold profiling machine |
| 09/05/1978 | US4112493 Twin motor and screw drive for workpiece positioning stops and for press ram drive and the like |
| 09/05/1978 | US4111027 Electromagnetic apparatus |
| 08/29/1978 | US4109499 Roll forming apparatus and method |
| 08/29/1978 | CA1037505A1 Stop mechanism for a bending press, plate shear or the like machines |
| 08/22/1978 | CA1036904A1 Expansible drive shaft tool mechanism |
| 08/15/1978 | US4106323 Bending tool |
| 08/01/1978 | US4103406 Split type sectional forming roll |
| 07/25/1978 | US4102170 Method for making a spiral coil having spaced turns |
| 07/04/1978 | US4098109 Bending press or similar machine tool |
| 06/06/1978 | US4092841 Sheet metal brake |
| 05/30/1978 | US4091938 Device for handling large workpieces |
| 05/16/1978 | US4089200 Gaging system |
| 05/16/1978 | US4089198 Extenable tool and machine having the same |
| 04/18/1978 | US4084424 Twin motor and screw drive for workpiece positioning stops and for press ram drive and the like |
| 04/11/1978 | US4083221 Parts forming apparatus and method |
| 04/04/1978 | US4081987 Curling punch |
| 04/04/1978 | US4081986 Wide-range sheet material bending brake |
| 03/28/1978 | US4080815 Pinch and forming roll assembly for numerically controlled contour forming machines |
| 01/31/1978 | US4071657 Metal sheet for drawing |