| Patents for B21C 23 - Extruding metal; Impact extrusion (6,435) |
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| 03/15/2005 | US6865919 Method and apparatus for producing a refined grain structure |
| 03/09/2005 | EP1511967A1 Hollow chamber profile made of metal, especially for heat exchangers |
| 03/09/2005 | CN1592797A Copper sputtering targets and methods of forming copper sputtering targets |
| 03/08/2005 | US6862911 Method for cutting extruded profile sections into lengths |
| 03/03/2005 | US20050047951 Method and apparatus for manufacturing a blank for a rotary cutting tool |
| 03/03/2005 | DE10329696B3 Verfahren zur Herstellung einer Mehrzahl gekrümmter Strangpressprofile A method for producing a plurality of curved extruded profiles |
| 03/03/2005 | DE10027703B4 Verfahren und Vorrichtung zum Umformen, insbesondere Fließpressen eines metallischen Werkstücks Method and apparatus for forming, in particular extrusion of a metallic workpiece |
| 03/02/2005 | EP1509437A1 Lightweight construction element and method for producing the same |
| 02/24/2005 | DE10006704B4 Antriebsanordnung einer Metallstrangpresse Drive assembly of a metal extrusion press |
| 02/23/2005 | CN1585707A Lightweight construction element and method for producing the same |
| 02/17/2005 | US20050034502 Hot cut aluminum billet saw |
| 02/17/2005 | DE10233263B4 Verfahren zur Herstellung eines Pleuels und Pleuel A process for producing a connecting rod and connecting rod |
| 02/16/2005 | CN1579659A Large-sized inteeligent digital-control warm-cold extrusion hydranlic press system |
| 02/15/2005 | US6854312 Process and apparatus for manufacturing lithium or lithium alloy thin sheets for electrochemical cells |
| 02/10/2005 | WO2005011889A1 Metal honeycomb substrates for chemical and thermal applications |
| 02/10/2005 | US20050031423 Method and apparatus for making a rotary tool for chip removing machining |
| 02/10/2005 | DE19922659B4 Hydraulische Schließvorrichtung zum Querfließpressen von Werkstücken Hydraulic clamping device for lateral extrusion of workpieces |
| 02/09/2005 | CN1575913A Method for making a rotary tool for chip removing machining |
| 02/09/2005 | CN1575879A Multi-station horizontal hydraulic extrusion press |
| 02/09/2005 | CN1188242C Metallic shell structure |
| 02/03/2005 | US20050022571 Method and device for applying compressive and/or tractional forces to essentially rod-shaped workpieces consisting of electroconductive and/or magnetisable material |
| 02/02/2005 | EP1502721A2 Method of making a rotary tool for chip removing machining |
| 02/02/2005 | EP0958121B1 A method for continuous manufacture of profiled sections and a device for performing the method |
| 02/02/2005 | CN2675289Y Forming machine special for building quoin gusset piece |
| 02/02/2005 | CN1572413A Electrode material and method for manufacture thereof |
| 02/02/2005 | CN1187189C Compsite wire with noble metal cladding |
| 02/01/2005 | US6848163 Comprises high strength aluminum alloy joined with ceramic particulate reinforced metal matrix fitting, using solid-state friction welding; for high-pressure liquids such as propellants in rocket engines |
| 01/27/2005 | WO2005007317A1 Metal molding method and machine, and metal molded body |
| 01/27/2005 | US20050016246 Hollow stepped shaft and method of forming the same |
| 01/27/2005 | US20050016243 Method and apparatus for equal channel angular extrusion of flat billets |
| 01/27/2005 | US20050016108 Lightweight construction element and method for producing the same |
| 01/27/2005 | DE10209138B4 Verfahren zur Herstellung von Bleibändern und Vorrichtung zur Herstellung von Bleibändern nach dem Verfahren Process for the preparation of permanent and changing apparatus for manufacturing of permanent change according to the method |
| 01/26/2005 | EP1500443A1 Hollow stepped shaft and method of forming the same |
| 01/26/2005 | CN1571710A Extrusion die for manufacturing tube with small hollow portions, mandrel used for said extrusion die, and multi-hollowed tube manufactured by using said extrusion die |
| 01/26/2005 | CN1569355A Inner roll forming method and apparatus for knotted metal pipe |
| 01/26/2005 | CN1569351A Precision forming method for spur gear |
| 01/26/2005 | CN1186139C Heat-insulating hot extruding method and its dedicated extrusion drum |
| 01/26/2005 | CN1186138C Extruder for seamless Cu-Al pipes |
| 01/20/2005 | US20050012202 Heat sink for semiconductor components or similar devices, method for producing the same and tool for carrying out said method |
| 01/20/2005 | US20050011933 Method and device for joining of metal components, particularly light metal components |
| 01/20/2005 | DE10329697B3 Verfahren zur Herstellung von gekrümmten Werkstücken durch Strangpressen und Runden A process for the production of curved workpieces by extrusion and rounds |
| 01/19/2005 | CN1565765A Method for processing extrusions with high extrusion ratio |
| 01/19/2005 | CN1185058C Device for manufacturing metal objects |
| 01/18/2005 | US6843093 Method for manufacturing structural components from an extruded section |
| 01/13/2005 | WO2005002755A1 Method of producing die for producing liquid-jetting head and materal block for the die |
| 01/13/2005 | WO2005002752A1 Method for producing a plurality of bent extruded profiles |
| 01/13/2005 | WO2005002751A1 Method for the production of curved workpieces by extruding and rounding |
| 01/13/2005 | US20050008890 Coextruded products of aluminum foam and skin material |
| 01/13/2005 | US20050005665 Impact extrusion molded article, an impact extrusion molding method, and an impact extrusion molding apparatus |
| 01/13/2005 | US20050005448 Extruded pulley |
| 01/12/2005 | CN2670022Y Feed driver for precisive cold rolling device |
| 01/12/2005 | CN1562559A Method for producing products of tubular meta casing body |
| 01/12/2005 | CN1562515A Technique for producing front tube having convex trademark of bicycle |
| 01/06/2005 | WO2005000493A1 Method and equipment for performing continuous extrusion |
| 01/06/2005 | WO2004056513A3 Sintered blanks having coiled cooling channels |
| 01/06/2005 | CA2529881A1 Method and equipment for performing continuous extrusion |
| 01/05/2005 | CN1561267A Device for processing a metal slab or billet, and product produced using said device |
| 01/05/2005 | CN1559792A Regulatable hydraulic machine with up and down both double moving |
| 12/30/2004 | US20040267472 Laser alignment method and apparatus |
| 12/30/2004 | DE20312889U1 A method for welding aluminium alloy extrusions onto aluminium alloy sheet especially in aircraft construction has recrystallization layers removed from weld sites of the extrusions |
| 12/30/2004 | DE10316174A1 Fabrication method for blade cover plate for food slicing machine uses extruded blanks of aluminum/alloy for forming of cover plates of different shapes and sizes |
| 12/30/2004 | DE102004025600A1 Elektrodenmaterial und Verfahren zu dessen Herstellung Electrode material and process for its preparation |
| 12/29/2004 | CN1557607A Cold stamping forming process of biopsy pliers head |
| 12/23/2004 | US20040255460 Nanophase composite duct assembly |
| 12/22/2004 | EP1488864A1 Method to produce a steam boiler for a domestic appliance |
| 12/22/2004 | CN2664804Y Thin iron plate forming machine |
| 12/22/2004 | CN1557019A Heat sink for semiconductor components or similar devices, method for producing the same and tool for carrying out said method |
| 12/22/2004 | CN1180907C Tungsten-copper gradient heat sink material and its preparing method |
| 12/22/2004 | CN1180898C New process for making flat anchor plate for prestressed reinforcement |
| 12/22/2004 | CN1180897C New process of gripper production for prestressed reinforcement |
| 12/16/2004 | WO2004108334A1 Rotatable tool and a blank |
| 12/16/2004 | WO2004108329A1 Method and device for manufacturing a blank for a tool |
| 12/16/2004 | US20040250925 Passing between rotating rolls having a different peipheral velocity of 10-100%; for each pass the thickness is reduced 15% and the grain refinement is uniform throughout the product including the closure of most of the core pores; aircraft, e.g., floor beams; plates; dies; tools; metal working |
| 12/16/2004 | US20040250588 Sheet processing apparatus, method of use, and plastically deformed sheet |
| 12/16/2004 | DE10350663B3 Determining/calibrating extrusion press output rate involves specifying or determining pressing ratio, ram speed, multiplying to give output rate, calibrating extrusion output from length intervals |
| 12/15/2004 | EP1485926A2 Method of producing a sheath for a multifilament superconducting cable and sheath thus produced |
| 12/15/2004 | CN2663045Y Steel-pipe conical-tube machine |
| 12/15/2004 | CN1555298A Manufacture of metal tubes |
| 12/09/2004 | WO2004043624A3 Cold forging apparatus and method for forming complex articles |
| 12/09/2004 | US20040244457 Extrusion die for manufacturing tube with small hollow portions, mandrel used for said extrusion die, and multi-hollowed tube manu-factured by using said extrusion die |
| 12/08/2004 | EP1484524A1 Backing plate with fiction material retention members and method and apparatus for manufacturing same |
| 12/08/2004 | EP1484122A2 Method of determining the exit speed of extruded profiles and device for carrying out the method |
| 12/08/2004 | CN1552538A Machining method for vehicle drier casing |
| 12/07/2004 | US6826942 Apparatus and method for extrusion of material |
| 12/02/2004 | WO2004103596A1 Method of extruding hollow light metal member, die for extruding hollow light metal, and memeber for extruding hollow light metal |
| 12/02/2004 | US20040238501 Electrode material and method for manufacture thereof |
| 12/02/2004 | US20040238295 Backing plate with friction material retention members and method and apparatus for manufacturing same |
| 12/02/2004 | DE10320014A1 Extrusion process to manufacture seamless pipes, tubes and profiles employs hydraulic cylinders with turnstile-mounted sockets |
| 12/01/2004 | CN2659648Y Semi-automatic feeding manipulator |
| 12/01/2004 | CN2659576Y High precision temp cold squeezing hydraulic press |
| 11/25/2004 | WO2004102586A1 Aluminum based neutron absorber and method for production thereof |
| 11/25/2004 | US20040231391 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 11/25/2004 | US20040231390 Extrusion tool, method for manufacturing shaped article with fins, and heat sink |
| 11/25/2004 | DE10361691A1 Verfahren zur Herstellung von Magnesiumlegierungs-Billets für ein Thixoforming-Verfahren A process for the production of magnesium alloy billets for a thixoforming process |
| 11/24/2004 | CN1549752A Method and device for extruding curved extrusion profiles |
| 11/18/2004 | WO2004098805A1 Aluminum extruded raw pipe, method of manufacturing the same, aluminum pipe for photosensitive drums, and method of manufacturing the same |
| 11/18/2004 | US20040226250 Hollow section and a process for its manufacture |
| 11/17/2004 | EP1227901B1 Tool, and a method and device for its manufacturing |
| 11/17/2004 | CN2656039Y Automobile steering wheel hub cold extrusion device |
| 11/17/2004 | CN1546280A Plane hook shaped reverser claw connected cold extrusion integral forming method |