| Patents for B21D 15 - Corrugating tubes (1,257) |
|---|
| 03/02/1982 | US4317353 Tube twisting apparatus |
| 02/02/1982 | US4313323 Method for manufacturing poly-V pulleys |
| 01/26/1982 | CA1116957A1 Roll-through cold forming apparatus |
| 12/15/1981 | US4305460 Heat transfer tube |
| 11/10/1981 | CA1112031A1 Method of making a helically corrugated tube |
| 09/29/1981 | US4292113 From softened resin |
| 09/22/1981 | CA1109221A1 Method and apparatus for manufacturing corrugated tubes |
| 09/01/1981 | US4286450 Apparatus for manufacturing corrugated tubes |
| 06/30/1981 | US4275579 Apparatus for manufacture of corrugated pipes |
| 06/30/1981 | CA1104073A1 Corrugated tubing with variable depth corrugations and method of making the same |
| 06/09/1981 | US4271777 Apparatus for reforming round cans into rectangular cans |
| 06/09/1981 | CA1102660A1 Machine for manufacturing zig zag wire binders |
| 05/19/1981 | US4267718 Apparatus for producing a tube with successive corrugations of different radial extensions and spacings |
| 01/27/1981 | US4246770 Apparatus for operating on hollow workpieces |
| 01/13/1981 | CA1093287A1 Machine for splining thin-walled power transmission members |
| 12/30/1980 | CA1092329A1 Apparatus for the manufacture of expansion bellows |
| 12/09/1980 | US4237713 Apparatus for producing a tube with successive corrugations |
| 10/28/1980 | CA1088286A1 Tooth forming machine |
| 10/01/1980 | EP0016026A1 Manufacturing process of a head cylinder provided with cooling or reinforcing corrugations |
| 08/05/1980 | US4215559 Corrugation apparatus |
| 07/08/1980 | CA1081051A1 Apparatus for the formation of expansion bellows for pipe-work assemblies |
| 05/20/1980 | US4203312 Corrugated tubing with variable depth corrugations and method of making the same |
| 04/08/1980 | US4196608 Method of and apparatus for forming projections on tubular members or the like |
| 03/18/1980 | US4193280 Apparatus for the manufacture of expansion bellows |
| 01/24/1980 | WO1980000066A1 Manufacturing process of a head cylinder provided with cooling or reinforcing corrugations |
| 01/09/1980 | EP0006321A1 Apparatus for operating on hollow workpieces |
| 01/09/1980 | EP0006137A1 Cold forming apparatus |
| 12/25/1979 | US4179910 Apparatus for manufacturing deformable expansion bellows for pipe-work |
| 12/18/1979 | US4178972 Machine for manufacturing zig zag wire binders |
| 12/18/1979 | US4178790 Roll-through cold forming apparatus |
| 10/23/1979 | US4171634 Method of making corrugated tubing with graduated pitch |
| 10/16/1979 | CA1064239A1 Apparatus and method for splining power transmission members |
| 10/03/1979 | EP0004338A1 Apparatus for making a metal spreading roller |
| 05/29/1979 | CA1055236A1 Compensatory expansion bellows and its production |
| 05/22/1979 | US4155237 Machine for splining thin-walled power transmission members |
| 05/22/1979 | US4155236 Tooth forming machine |
| 11/14/1978 | CA1042271A1 Device for manufacture of helically corrugated tubes |
| 04/25/1978 | US4085607 Helically corrugating tubes |
| 01/03/1978 | US4065947 Compensatory expansion bellows and its production |
| 11/22/1977 | US4059004 Method of forming helically corrugated tubing |
| 10/11/1977 | US4052872 Stanchions |
| 08/30/1977 | US4044581 Thin-walled metal duct having integral reinforced ends for joining and method and apparatus for its manufacture |
| 08/23/1977 | US4043161 Apparatus for forming corrugations of "zero" pitch in coaxial cable |
| 06/21/1977 | US4030330 Multiple roll recorrugator |
| 06/14/1977 | US4028922 Apparatus and method for splining power transmission members |
| 04/19/1977 | US4018072 End recorrugator |
| 02/08/1977 | US4006619 Tube expander utilizing hydraulically actuated pistons |
| 01/18/1977 | US4003231 Rotary machine for manufacturing hollow articles |
| 12/21/1976 | US3998082 Device for the manufacture of helically corrugated tubes |
| 11/16/1976 | US3991599 Rib forming tool for tubing |
| 09/28/1976 | US3982415 Forming method and machine for splining power transmission members |
| 08/17/1976 | US3974675 Molding device |
| 08/10/1976 | US3973424 Production of corrugated tubing |
| 06/15/1976 | US3962896 Method of producing V-belt pulleys and spinning lathe for carrying out such method |
| 04/27/1976 | US3952575 Bellows forming apparatus |
| 03/02/1976 | US3941296 Process for manufacturing flexible tubing capable of withstanding substantial pressures and flexible metal tubing made thereby |
| 02/10/1976 | US3937051 Bellows forming method and apparatus |