| Patents for B21C 25 - Profiling tools for metal extruding (3,331) |
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| 04/24/1991 | CN2075559U Single moving direct type seamless tube extruding machine |
| 04/10/1991 | CN2074686U Plastics extruding shaping mould for multi-way pipe joint |
| 04/10/1991 | CN1050506A One step shaping seamless three-way, four-way pipe producing method by hot extruding and shaping apparatus |
| 03/19/1991 | US5000025 Extrusion machinery |
| 03/06/1991 | CN2072449U Extruded three-way general die set |
| 02/13/1991 | CN2071096U Medium and small t shape tube mould |
| 02/12/1991 | US4991421 Method for extruding an elongated, lightweight rack |
| 01/16/1991 | CN1011205B Process and device for making ribbon electric contact from composite |
| 01/02/1991 | EP0405685A1 Extrusion die and holder therefor |
| 12/11/1990 | US4976130 Extruding die for metallic materials |
| 11/29/1990 | WO1990014177A1 Die for hot extrusion |
| 11/29/1990 | WO1990014176A1 Continuous extrusion apparatus |
| 11/28/1990 | EP0296178A4 Indirect extrusion process and machinery therefor |
| 11/22/1990 | EP0398747A1 Continuous extrusion apparatus |
| 11/06/1990 | US4967583 Method of manufacturing extruded seamless hollow materials |
| 09/05/1990 | EP0385513A1 Method for coating a core material with metal |
| 08/29/1990 | EP0384641A1 Extruding apparatus |
| 08/20/1990 | CA2010305A1 Extruding apparatus |
| 08/16/1990 | EP0382265A2 Method and apparatus for coating a core material with metal |
| 08/01/1990 | EP0380232A2 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 07/18/1990 | EP0377947A2 Extruding die for metallic materials |
| 06/19/1990 | CA1270464A1 Extrusion dies |
| 04/25/1990 | CN2056365U Pb tube extruding die |
| 04/10/1990 | US4915612 Extrusion die assembly for forming honeycomb structures having thickened outer skin |
| 03/20/1990 | US4909720 For the production of a drill blank |
| 03/07/1990 | EP0357271A1 Extrusion die |
| 02/28/1990 | CN2053549U Die set for aluminium alloy extrusion processing |
| 02/14/1990 | CN1039544A Technology and dies for shaping blank of cross axle |
| 01/24/1990 | EP0352015A1 Mini-monolith substrate and its formation |
| 01/24/1990 | CN2051535U Improved pressing die device |
| 01/24/1990 | CN2051534U Combined type porous pipe material extrusion die |
| 01/03/1990 | EP0349524A2 Extrusion mandrel and method for its manufacture |
| 01/03/1990 | CN2050353U Thermal constant temp. compression dies for flat materials |
| 11/21/1989 | US4881431 Hard metal core and casing forming composite body |
| 11/08/1989 | EP0340495A2 Extrusion tool |
| 10/31/1989 | US4877766 Mini-monolith substrate |
| 09/05/1989 | US4862728 Extrusion dies |
| 08/16/1989 | CN2042759U Forked tongue type model |
| 07/26/1989 | CN2041597U Core rod for heavy calibre gapless bend pushing |
| 05/23/1989 | US4831859 Extrusion tool for producing a drill bit blank |
| 05/10/1989 | EP0315292A1 Extrusion die for forming thin-walled honeycomb structures |
| 03/21/1989 | US4813823 Drilling tool formed of a core-and-casing assembly |
| 03/21/1989 | US4813130 Automatic extrusion pinning method and apparatus |
| 01/11/1989 | CN2030514U Die for cold-extruding hub nut in single process |
| 12/28/1988 | EP0296178A1 Indirect extrusion process and machinery therefor. |
| 11/29/1988 | CA1245599A1 Extrusion of metal |
| 11/02/1988 | EP0288780A2 Extrusion tool for making a drill blank with at least one internal helical flush bore |
| 11/01/1988 | US4781053 Indirect extrusion process and machinery therefor |
| 10/26/1988 | EP0287859A2 Method and apparatus for forming pins of an extrudable material in a substrate |
| 09/27/1988 | US4773251 Extrusion press die |
| 09/07/1988 | CN87215113U Porous compression die replacable forming mould |
| 09/06/1988 | US4769346 Extrusion silicon carbide die; refractory composite ceramics; cordierite matrix; durable for high temperature non-ferrous metal alloy extrusion |
| 08/24/1988 | CN87212576U Die for heat-extruding wire at thermostatic |
| 08/17/1988 | CN87204764U Shunting current type combined mould |
| 07/05/1988 | CA1238816A1 Refractory metal coated metal-working dies |
| 06/14/1988 | US4750345 Recycling pressure plates and dies in extrusion presses |
| 05/31/1988 | CA1237297A1 Extrusion die for extruding gears and method of making same |
| 05/18/1988 | CN87104784A Extruding technique of high strength wire-rope joints |
| 04/12/1988 | US4736656 Extrusion die and manufacturing method of same |
| 03/15/1988 | US4731010 Extrusion die for forming thin-walled honeycomb structures |
| 02/16/1988 | US4724699 Drawplate for hot drawing |
| 01/12/1988 | CA1231223A1 Extrusion die |
| 12/29/1987 | US4715207 For extruding a sheath onto a core |
| 12/23/1987 | CN86207825U Grooving and tapering die set for split tube fraction anchor rod |
| 12/10/1987 | DE3619005A1 Apparatus for forming extrudable metallic or nonmetallic materials |
| 11/04/1987 | EP0243787A1 Transport system for circulation of dummy blocks and matrizes on extruding presses arranged for direct and indirect extruding |
| 11/03/1987 | US4703642 Process and device for manufacturing a section, in particular a hollow section, via extrusion |
| 09/23/1987 | EP0238478A2 Extrusion die |
| 09/11/1987 | WO1987005238A1 Indirect extrusion process and machinery therefor |
| 08/19/1987 | EP0233064A2 Extrusion apparatus |
| 07/16/1987 | WO1987004092A1 A method for primarily extending the useful lifespan of ceramic tools, and an arrangement for carrying out the method |
| 06/10/1987 | CN85108775A Manufacturing process of hot extruded seamless t pipe connection and forming device thereof |
| 05/20/1987 | EP0222046A1 Dispersion strengthened extruded metal products substantially free of texture and a die for producing same |
| 04/21/1987 | US4658623 Method and apparatus for coating a core material with metal |
| 03/25/1987 | CN86105528A Reducing diameter and chamfering device for the backward drawing part of tubes |
| 03/25/1987 | CN85103983A Process for manufacturing molds and molds made thereby |
| 03/17/1987 | US4650408 Continuous metal extrusion apparatus |
| 03/05/1987 | DE3612717C1 Device for arranging transverse deformations on the insides of extruded light-metal hollow profiles |
| 02/18/1987 | CN85106269A Process and device for making ribbon electric contact from composite |
| 01/14/1987 | CN85103797A Die-changing apparatus for extrusion press |
| 12/30/1986 | EP0205741A2 Apparatus for covering elongated metal products with aluminium by extrusion |
| 12/03/1986 | EP0203866A1 Die for hot extrusion |
| 11/26/1986 | EP0202953A2 Continuous extrusion apparatus |
| 11/20/1986 | EP0202187A1 Refractory metal coated metal-working dies |
| 11/18/1986 | US4622842 Die for extruding toothed helical members |
| 08/19/1986 | US4606210 Extrusion press for manufacturing extruded sections from metal billets |
| 07/22/1986 | CA1208044A1 Forming of extrusion dies |
| 07/09/1986 | CN85100402A Cold extrusion technology for 203 bear ferrule |
| 07/08/1986 | US4599214 Powder metallurgy |
| 07/08/1986 | US4598567 Apparatus for continuous extrusion of metals |
| 07/02/1986 | EP0186340A1 Method of hot extrusion |
| 06/03/1986 | US4592224 Process and device for extruding a hollow section |
| 04/08/1986 | US4580467 Method of making extrusion die for extruding gears |
| 03/12/1986 | CN85201904U Die set for single-pressing the wave-shaped plate of transformer oil basin |
| 02/26/1986 | EP0172563A2 Method and apparatus for coating a core material with metal |
| 02/25/1986 | US4571983 Refractory metal coated metal-working dies |
| 12/10/1985 | US4557131 Device for indirect extrusion of a hollow section |
| 10/30/1985 | EP0159809A1 Improvements in or relating to the forming of extrusion dies |
| 10/15/1985 | US4546634 Methods and apparatus for initiating tubular extrusion |
| 10/15/1985 | CA1195289A1 Friction-actuated extrusion |