| Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784) |
|---|
| 03/11/1987 | EP0214054A1 Method of making by pressing rigid metallic parts for constituting insulating casings for tubes, sheathings and other, similar articles |
| 03/04/1987 | EP0212620A1 Machine for welding together the longitudinal edges of rounded bodies |
| 03/04/1987 | CN86104873A Roll forming of metal articles |
| 03/03/1987 | US4646548 Tube expanding and grooving tool and method |
| 02/26/1987 | DE3530781A1 Machine for the welding of longitudinal edges of rounded can blanks |
| 02/24/1987 | US4645001 Heat exchanger |
| 02/24/1987 | US4644777 Device for grooving cylindrical workpieces |
| 02/17/1987 | US4643011 Method of manufacturing a cylinder member of a cylinder piston unit |
| 02/12/1987 | WO1987000773A1 Roll forming of metal articles |
| 02/04/1987 | EP0210546A1 Metallic wound flue gas exhaust catalyst support body with a complicated geometric section and method for its manufacture |
| 02/03/1987 | US4640453 Apparatus for fabricating multi-layer spiral tubes |
| 01/29/1987 | DE3525490A1 Method of joining liquid-tight two helically corrugated pipes |
| 01/27/1987 | US4639158 Fluid pressurized joint assembly |
| 01/20/1987 | US4637111 Process of making heat exchangers |
| 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 | US4635460 Apparatus for and method of the plastic forming of materials |
| 01/13/1987 | CA1216547A1 Method for manufacturing a wire, wire thus manufactured and manufacturing unit for working this method |
| 01/02/1987 | DE3621144A1 Method for expansion of a tubular element |
| 12/30/1986 | US4633056 Method for manufacturing special-section tubes for tubular heat exchangers and tubes provided by such method |
| 12/30/1986 | US4632216 Muffler apparatus and method for making same |
| 12/30/1986 | EP0206640A1 Improved heat transfer tube having internal ridges |
| 12/30/1986 | EP0206201A2 Apparatus for cutting hollow pipes |
| 12/10/1986 | EP0204203A2 Method of manufacturing a wire from two metallic materials |
| 12/02/1986 | US4625533 Method and apparatus for increasing thickness of tubular member |
| 11/26/1986 | EP0202360A1 Composite rod structure |
| 11/20/1986 | EP0201729A2 Device for the production of wrapped tube as well as a wrapped tube |
| 11/20/1986 | EP0201724A2 Replaceable conveying spiral for a drill bit |
| 11/18/1986 | US4622841 Method of forming long metal tubing to tapered shape |
| 11/18/1986 | US4622840 Method for drawing telescoping tubes for torque transmission |
| 11/18/1986 | US4622838 Apparatus for manufacturing flexible corrugated tubes |
| 11/11/1986 | US4622080 Heating, quenching, chromizing, nitriding |
| 11/11/1986 | US4622022 Telescoping tubes for torque transmission |
| 11/11/1986 | US4621399 Tube-coating method and apparatus therefor |
| 11/05/1986 | EP0200432A2 Interlocked metal tube |
| 11/04/1986 | US4621181 Method of manufacturing multilayer screw seam pipes and device for carrying out the method |
| 11/04/1986 | US4620432 Device for manufacturing microwire |
| 10/29/1986 | EP0199557A2 Apparatus for forming a non-rotating metal strip helix |
| 10/29/1986 | EP0199428A2 Manufacture of tubular members with at least one enlarged end |
| 10/22/1986 | EP0198779A2 Drawing device for forming a tube starting from a metal strip |
| 10/22/1986 | EP0198570A2 Process for producing a thin-walled tubing from a zirconium-niobium alloy |
| 10/14/1986 | US4616540 Method and apparatus for making tubes formed with holes in their peripheral wall |
| 10/14/1986 | US4616500 Method for producing tubing of varying wall thickness |
| 10/14/1986 | US4616495 Helically-formed pipe winding machine |
| 10/14/1986 | US4616391 Apparatus for making heat exchange tubes |
| 09/24/1986 | EP0195225A2 Process for forming flexible tubular bodies and device for carrying out said process |
| 09/24/1986 | CN85109194A Device for drawing horizontal ribbed slab |
| 09/23/1986 | US4612791 Method and apparatus for rolling transversely ribbed bimetallic pipes |
| 09/23/1986 | US4612790 Method of drawing ribs on tubes |
| 09/16/1986 | US4611751 Method and apparatus for the manufacture of cylindrical hollow bodies |
| 09/16/1986 | CA1211512A1 Device for electrical resistance welding of long pinched seams |
| 09/16/1986 | CA1211278A1 Method for producing a clad steel pipe |
| 09/16/1986 | CA1211258A1 Method of manufacturing lead fiber and radiation shielding material using the same |
| 09/09/1986 | US4610749 Vertical and horizontal adjustment |
| 09/09/1986 | CA1211077A1 Method of mechanically prestressing a tubular apparatus |
| 08/27/1986 | EP0192584A1 Method and apparatus for making grooves in a surface of revolution |
| 08/27/1986 | CN85109672A Complex pipe, its mfr. method and heat pipe using the pipe |
| 08/19/1986 | US4606884 Composite billet for hot transformation |
| 08/19/1986 | US4606380 Prestress conduits |
| 08/19/1986 | US4606212 Device for cold drawing seamless metal tubes having upset portions on both ends |
| 08/12/1986 | US4604785 Method of making fuel channel |
| 08/05/1986 | US4603807 Mill for roll forming a fluted tube |
| 08/05/1986 | US4603806 Method of manufacturing metal pipe with longitudinally differentiated wall thickness |
| 07/31/1986 | WO1986004274A1 Method and device for making grooves on a revolution wall |
| 07/30/1986 | EP0188784A1 Composite pipe, process for producing the same, and heat pipe using the same |
| 07/23/1986 | CN85107311A Heat-transfer tube |
| 07/15/1986 | US4600180 Scarfing tool |
| 07/15/1986 | US4599783 Process for the construction of a composite tube comprising a metal tube, in particular a copper tube, and a cladding of deformable foam material |
| 07/10/1986 | EP0173693A4 Method of and means for forming and sealing helically wound tubes. |
| 07/08/1986 | US4598739 Strip-wound hose |
| 07/08/1986 | US4598451 Method of producing a rack from pipe material and a rack thus produced |
| 07/02/1986 | EP0186530A1 Manufacturing process for the casing of a dynamo-electric machine, and casing for a dynamo-electric machine |
| 07/01/1986 | US4597276 Apparatus for making helically wound interlocked tubular structure |
| 07/01/1986 | US4597171 Tube-enlarging press for use in heat exchanger fabrication |
| 06/25/1986 | EP0185637A2 Body with internal channels and methods of producing the same |
| 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 |
| 06/10/1986 | US4593550 Strip preparation rollers |
| 06/10/1986 | CN85108831A Apparatus for winding-up of cross-ribs |
| 06/10/1986 | CA1205757A1 Process for die forming a tubular member at a reduced drawing force |
| 05/28/1986 | EP0182001A2 Method and apparatus for making a flexible corrugated tube, and a flexible corrugated tube made by this method |
| 05/27/1986 | US4590781 Method for forming an electric resistance welded steel pipe |
| 05/27/1986 | US4590752 Method and device for the manufacture of flexible tubular bodies |
| 05/27/1986 | US4590655 Method for expanding a tubular member |
| 05/27/1986 | CA1204923A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 05/21/1986 | EP0181548A1 Manifold and method of manufacturing the same |
| 05/21/1986 | EP0181496A1 Method for producing a superconducting wire using Chevrel phases |
| 05/14/1986 | EP0181203A2 Forming complex hollow sectioned structural members |
| 05/14/1986 | EP0065953B1 Apparatus for manufacturing a metal pipe |
| 04/30/1986 | EP0179527A1 Sheathed reinforcing wire |
| 04/23/1986 | EP0178477A1 Method for producing seamless steel tubes with a great diameter |
| 04/15/1986 | US4581800 Method of making a segmented externally finned heat exchanger tube |
| 04/15/1986 | CA1203068A1 Manufacturing process of extrudable aluminun alloy products |
| 04/10/1986 | WO1986002025A1 Method and device for the helicoidal winding of sheet-like material |
| 04/08/1986 | US4580427 Method for manufacturing ornamented head lug pipes |
| 04/08/1986 | US4580324 Method for rounding flat-oval tubing |
| 04/02/1986 | EP0175743A1 Method of manufacturing hairpin configured tubes. |
| 04/01/1986 | US4578985 Die with solid particle removal groove |
| 04/01/1986 | US4578973 Process for producing hollow aluminum extrudates for use in a high vacuum environment |
| 04/01/1986 | US4578971 Machine for manufacturing spiral seam piping from strip metal |
| 04/01/1986 | CA1202578A1 Method of prestressing a tubular apparatus |