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)
03/1985
03/12/1985US4503602 Method for the manufacture of a superconducting hollow conductor
03/06/1985EP0133801A2 Finned heat exchanger tubes and method and apparatus for making same
03/06/1985EP0133705A1 Method of manufacturing metal pipe with longitudinally differentiated wall thickness
02/1985
02/26/1985US4501948 Method and apparatus for forming spiral tubing
02/26/1985CA1183089A1 Multilayer spirally welded pipe
02/20/1985EP0133384A1 Shell production method, especially for a cryogenic fluid storage vessel, and shell thus obtained
02/20/1985EP0133245A2 A method for forming an electric resistance welded steel pipe
02/20/1985EP0056376B1 Method and apparatus of edge preforming of metal plate prior to forming into pipe
02/13/1985EP0132555A2 Apparatus for making tubes with helically arranged seams from metal strip
02/12/1985US4498321 Method of and apparatus for forming long metal tubing stock to tapered shape
02/05/1985US4497673 Carbon steel
02/05/1985US4497189 Duct finishing machine
02/05/1985US4497112 Method for making double L-shaped electrode
01/1985
01/29/1985US4495691 Melt spinning iron base alloys
01/16/1985EP0131528A1 Composite billet for a hot-forming operation
01/15/1985US4493859 Method for marking hot pipe
01/09/1985EP0130182A1 Spacer bar having interlocking seam for use in multipane windows and method of making same
01/03/1985WO1985000023A1 Pipe deforming method and apparatus
01/01/1985US4491004 Apparatus for manufacturing a metal pipe
12/1984
12/25/1984US4489588 Apparatus for manufacturing screw workpieces of a tube semi-product
12/25/1984US4489585 Production of tubular members
12/12/1984EP0127954A2 Structural member
12/11/1984US4487357 Method for forming well drill tubing
12/11/1984CA1179169A1 Continuous production of polished galvanized tubing
12/05/1984EP0127248A1 Structural members and methods of fabricating the same
12/05/1984EP0127127A2 Process and apparatus for the production of a tube
12/05/1984EP0126795A1 Method for manufacturing welded pipes
12/04/1984US4486484 Strip of flexible corrugated material
12/04/1984US4485756 Helical seam structural vessel, method and apparatus of forming same
11/1984
11/21/1984EP0125540A2 Apparatus for making tubes with holes in the walls
11/20/1984US4483167 Forming rolls for use in the fabrication of welded tubes
11/20/1984US4483166 Device for helically coiling pressure vessel shells
11/20/1984US4483061 Double walled tubing and process for producing same
11/14/1984EP0124902A1 A method of and an apparatus for manufacturing stanchions
11/13/1984US4482420 Apparatus for producing composite pipes
11/13/1984US4481999 Method of forming a thin unbacked metal foil
11/13/1984US4481978 Method of manufacturing helically wound tubes and tubes manufactured by said method
11/13/1984US4481824 Weld detector
11/07/1984EP0124026A2 A method of forming ribs in bimetallic tubes and a ribbed tube formed by the method
11/07/1984EP0123923A1 A method of drawing ribs on tubes
11/06/1984US4480455 Method and device for rolling tube to a smaller diameter
11/06/1984US4480453 Apparatus for blast hydroplastic finishing of tubular billets
10/1984
10/31/1984EP0123498A2 Wavy tube heat pumping
10/24/1984EP0122392A1 Method for equipping a pipe with a lateral connecting piece
10/24/1984EP0122260A1 High pressure bellows capsule and method of making same.
10/24/1984EP0040234B1 Z-bar guide apparatus
10/16/1984US4477010 Method of producing a metal tube and flange assembly
10/16/1984US4476704 Method for producing finned tubes
10/16/1984US4476703 Edge preforming of metal plate
10/16/1984CA1176086A1 Method of forming electric welded steel tube
10/16/1984CA1176043A1 Cascaded fin winding machine control and method
10/10/1984EP0121252A2 A method of rolling transverse ribbed tubes and a set of tools for rolling transverse ribbed tubes
10/02/1984US4474564 Machine for forming tubular profile
09/1984
09/25/1984US4472891 Bimetallic composite coin blank for coins, medals and the like
09/19/1984EP0118451A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method.
09/13/1984WO1984003548A1 Connection threading
09/11/1984US4470188 Method of mechanically prestressing a tubular apparatus
09/11/1984CA1174187A1 Square corner design for ductwork
09/11/1984CA1174120A1 Apparatus for corrugating pipes
08/1984
08/22/1984EP0116111A2 Machine for the hydroplastic machining of tubular produce
08/21/1984US4466567 Method for braze-joining spirally wound tapes to inner walls of heat exchanger tubes
08/21/1984CA1172879A1 Mandrel for cold forging internally profiled tubes or cylinders
08/21/1984CA1172878A1 Method and tool for the cold forging of internally profiled tubes
08/15/1984EP0115670A1 Method and apparatus for producing welded ferritic stainless steel tubing having improved weld ductility in the as-welded condition
08/15/1984EP0115598A1 Device for manufacturing cylindrical hollow parts
08/08/1984EP0115441A2 Process and apparatus for fabricating tubular structures
08/01/1984EP0114613A1 Coiled flexible tube
07/1984
07/17/1984US4460118 Method for forming electric welded pipe
07/10/1984CA1170407A1 Expanded metal containing wires and filaments and methods of producing the same
07/05/1984WO1984002482A1 Spacer bar having interlocking seam for use in multipane windows and method of making same
07/03/1984US4457059 Method of making a re-entrant groove heat pipe
06/1984
06/20/1984EP0111057A1 Method of and device for manufacturing a steel elbow
06/20/1984EP0111039A1 Process for the high speed continuous galvanizing and annealing of a metallic wire
06/19/1984US4454745 Process for cold-forming a tube having a thick-walled end portion
06/19/1984US4454741 Flow drill for the provision of holes in sheet material
06/19/1984CA1169352A1 Heat exchanger ribbon slitting device and method
06/19/1984CA1169339A1 Processing of copper tubing
06/19/1984CA1169273A1 Cold forging mandrel with threads
06/12/1984US4453571 Square corner design for ductwork
06/05/1984US4452664 Vapor deposition of copper onto aluminum carrier sheet
06/05/1984US4452060 Method of processing cylindrical surface
05/1984
05/29/1984US4450613 Method of manufacturing acute angled vessel connector
05/24/1984WO1984001914A1 Electric resistance longitudinal mash seam welding unit
05/23/1984EP0108824A1 Appliance for the electric resistance welding of longitudinal seams using seam squeezing
05/16/1984EP0108729A1 Method for making extended heat transfer surfaces and a tool for putting said method into practice
05/15/1984US4448663 Double L-shaped electrode for brine electrolysis cell
05/15/1984CA1167290A1 Apparatus for flash welding of pipes
05/10/1984WO1984001728A1 Diagonal cutter for cutting-off a metal-sheet band intended for a spiral-seamed pipe
05/09/1984EP0044336B1 A flange forming drill means
05/01/1984US4445357 Pipe press
05/01/1984CA1166561A1 Methods of and/or apparatus for flanging tube ends
04/1984
04/26/1984WO1984001609A1 High pressure bellows capsule and method of making same
04/25/1984EP0106751A1 Method of making cylindrical work pieces of progressively increasing diameters, and device for carrying out the method
04/25/1984EP0106625A2 Strip wound tubular bodies with light weight core
04/25/1984EP0106480A2 Cooling fins for heat exchanger
04/24/1984US4444709 Process for continuously producing a polymeric laminate tape having a plurality of metal wires embedded therewithin
04/18/1984EP0105751A1 Process and apparatus for die forming a tubular member at a reduced drawing force
04/18/1984EP0044858B1 A flange forming drill means
04/10/1984US4441933 Method of making products of aluminium alloy suitable for drawing
04/10/1984US4441238 Continuous production of polished and buffed tubing
1 ... 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98