| Patents for B21C 23 - Extruding metal; Impact extrusion (6,435) |
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| 06/23/1981 | CA1103617A1 Method and apparatus for cold forming a polygonal inner surface |
| 06/16/1981 | CA1103207A1 Method and apparatus for changing a die ring from the die in an indirect extrusion press |
| 06/16/1981 | CA1102986A1 Forming of materials by extrusion |
| 06/09/1981 | CA1102738A1 Process of fabricating hollow bead rings |
| 06/02/1981 | US4271240 Lobed preparatory blank for cold extruding a cup-shaped article with hollow polygonal interior |
| 05/19/1981 | CA1101166A1 Forming of materials by extrusion |
| 04/21/1981 | US4262516 Pierced metal tube blanks and methods of making such blanks |
| 04/21/1981 | US4262513 Continuous extrusion of metals |
| 04/21/1981 | CA1099666A1 Indirect metal extrusion and tube press and a sealing plate and a pressure plate therefor |
| 03/31/1981 | US4258562 Press structure having shiftable stop |
| 03/25/1981 | EP0025743A1 Method of making alveolar modules |
| 02/17/1981 | US4251202 Molding die stem with sleeve |
| 02/10/1981 | US4249408 Process for extruding maraging steel |
| 01/13/1981 | US4244205 Apparatus for aligning extrusion producing members of a press |
| 01/06/1981 | US4243438 Alloy with cobalt or nickel, annealing |
| 01/06/1981 | US4242897 Extrusion machine and method of continuous tubular extrusion |
| 12/30/1980 | US4242368 Rotary wheel with groove, deformation, extrusion, coating |
| 12/09/1980 | CA1090988A1 Method for producing electric conductors of aluminum- iron alloys |
| 11/26/1980 | EP0019569A1 Hollow composite article and process for the manufacture thereof |
| 11/11/1980 | CA1089411A1 High temperature hydrostatic extrusion of an aluminium containing billet using polyethylene wax as lubricant |
| 11/04/1980 | US4231245 Indirect extrusion apparatus |
| 10/28/1980 | US4230661 Indirect extrusion process |
| 10/14/1980 | US4227968 Pressure vessel assembly for high-temperature nuclear reactor |
| 09/30/1980 | CA1086683A1 Method of and an apparatus for producing extrusion profiles |
| 09/23/1980 | US4223548 Process and device for extruding hollow sections |
| 09/02/1980 | US4220029 Continuous extrusion machine and method of continuous extrusion |
| 09/02/1980 | CA1084875A1 Method and apparatus for closing the end of an extruded tube submerged in water |
| 08/26/1980 | CA1084391A1 Preparation of aluminum for cold working |
| 08/19/1980 | US4217852 Apparatus for the manufacture of a composite metal wire |
| 08/19/1980 | US4217771 Method of cold forming |
| 08/19/1980 | CA1083857A1 New blanks for chock spinning |
| 08/06/1980 | EP0013747A1 Apparatus for the continuous extrusion of electrically conductive granular materials, preferably metal powder |
| 08/05/1980 | US4215560 Process and device for manufacturing composite sections and similar products |
| 08/05/1980 | CA1082876A1 Process for the preparation of metallic alloys in the form of a solid-liquid mixture, said mixture having a solid form |
| 07/29/1980 | US4214469 Process and device for the production of a composite section |
| 07/29/1980 | CA1082644A1 Fabrication of copper |
| 07/29/1980 | CA1082537A1 Forming process |
| 07/22/1980 | US4213318 Apparatus for fitting an extrusion die holder onto the press stem of an indirect metal extrusion press |
| 07/15/1980 | US4212182 Indirect metal extrusion and tube press and a sealing plate and a pressure plate therefor |
| 07/15/1980 | US4212177 Apparatus for continuous extrusion |
| 06/26/1980 | WO1980001260A1 Manufacture of high performance alloy in elongated form |
| 06/24/1980 | US4209122 Manufacture of high performance alloy in elongated form |
| 06/24/1980 | US4208898 Process and device for extruding a plurality of composite sections |
| 06/24/1980 | US4208897 Process and equipment for the commercial indirect extrusion of long lengths of metal, in particular long as-cast billets into sections or the like |
| 06/10/1980 | US4206626 Extrusion press for extruding tubes |
| 05/27/1980 | US4204309 Process of fabricating hollow bead rings |
| 05/13/1980 | CA1077409A1 Receiver dryer for a refrigeration system |
| 05/06/1980 | US4201071 Mandrel for high pressure tube extrusion press |
| 04/30/1980 | EP0010510A1 Improvement in methods and devices for the continuous hydrostatic extrusion of metals |
| 04/29/1980 | US4200051 Collapsible tube and method of manufacture |
| 04/29/1980 | CA1076314A1 Process and apparatus for the continuous and repetitive production of discrete articles from deformable materials |
| 04/15/1980 | US4197757 Method and apparatus for the cold forming of metal |
| 04/15/1980 | CA1075639A1 Apparatus and methods for continuous extrusion |
| 04/08/1980 | US4197340 Drawing composition and process |
| 04/08/1980 | CA1075203A1 Indirect extrusion processes and apparatus |
| 04/01/1980 | US4195505 Press for hydrostatic extrusion of tubes |
| 03/25/1980 | CA1074068A1 Hydrostatic extrusion process and apparatus |
| 03/11/1980 | US4192162 Method and apparatus for the extrusion of tubes of easily oxidized materials |
| 02/19/1980 | CA1071809A1 Clad metal tubes |
| 02/12/1980 | US4187711 Method and apparatus for producing a high fin density extruded heat dissipator |
| 02/05/1980 | US4186586 Billet and process for producing a tubular body by forced plastic deformation |
| 02/05/1980 | US4186582 Press for hydrostatic extrusion of tubes and profiles |
| 01/29/1980 | US4185749 Can body for an aerosol container |
| 01/22/1980 | CA1070148A1 High speed extrusion of light metals and alloys |
| 01/22/1980 | CA1070146A1 Method for preparing improved machinability steel grades from metal in the divided state |
| 01/08/1980 | CA1069466A1 Continuous hydrostatic extrusion process and device_ |
| 12/25/1979 | CA1068646A Apparatus and methods for forming a plurality of elongated members |
| 12/11/1979 | US4177665 Cold flow forming |
| 12/11/1979 | US4177658 Methods and apparatus for continuous extrusion |
| 12/04/1979 | CA1067563A1 Roughened imaging surface for cleaning |
| 11/27/1979 | US4175416 Apparatus for manufacturing heat transfer tubes |
| 11/20/1979 | US4174933 Forming an extruded bar out of metal chips |
| 11/06/1979 | US4173061 Process for forming a billet for extrusion |
| 10/09/1979 | CA1063969A1 Formation and utilization of compound billet |
| 10/02/1979 | US4169365 Needle for pressing internally-finned pipes |
| 09/18/1979 | US4167866 Process and device for manufacturing composite sections and similar products |
| 09/18/1979 | CA1062423A1 Extrusion |
| 09/05/1979 | EP0003773A1 Process and apparatus for the cold extrusion of metal bushings, in particular, for tracks of track-laying tractors and the like |
| 09/04/1979 | US4166373 Method of cold forming |
| 08/28/1979 | US4165627 Method and apparatus for closing the end of an extruded tube submerged in water |
| 08/28/1979 | US4165625 Device for extruding sections from an ingot |
| 08/07/1979 | US4163377 Continuous hydrostatic extrusion process and apparatus |
| 07/31/1979 | CA1059501A1 Cft box fin |
| 07/17/1979 | US4161111 Hydrostatically extruded thermoelectric legs |
| 07/10/1979 | CA1058109A1 Method of drawing high strength aluminum alloys_ |
| 07/10/1979 | CA1058108A1 Method for forming a track link bushing having a contoured opening |
| 07/03/1979 | US4159560 Equipment for extrusion in particular for the extrusion of aluminum billets into sections and the like |
| 06/26/1979 | CA1057236A1 Method and apparatus for extruding small diameter wires__ |
| 06/12/1979 | CA1056331A1 Method of making profiled work of aluminum or aluminum alloy by extruding process |
| 06/12/1979 | CA1056330A1 Extrusion press for direct and indirect extruding with die shifter |
| 06/05/1979 | CA1055890A1 Method and apparatus for extrusion |
| 05/22/1979 | CA1054974A1 Methods and apparatus for forming wire tapes |
| 05/15/1979 | US4154081 Method and apparatus for changing a die ring from the die in an indirect extrusion press |
| 05/15/1979 | CA1054560A1 Method of hydrostatic extrusion for holding a billet during insertion into a pressure chamber |
| 05/01/1979 | CA1053427A1 Device for producing gilled pipes of plastic or some other material |
| 04/03/1979 | US4147639 Lubricant for forming metals at elevated temperatures |
| 03/20/1979 | US4144734 Indirect extrusion process and apparatus |
| 03/20/1979 | CA1050729A1 Process for producing fine diameter wire from steel-titanium of steel-silicon melt |
| 03/13/1979 | CA1050217A2 Capsules from which elongate metal objects can be produced by extrusion |
| 03/06/1979 | US4142392 Internally groove forming apparatus for heat exchanging pipes |