| Patents for B21C 23 - Extruding metal; Impact extrusion (6,435) |
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| 09/10/2008 | CN101262962A Combustion chamber and manufacturing method thereof |
| 09/10/2008 | CN101259584A Method for preparing high-density molybdenum tube |
| 09/10/2008 | CN101259492A Hydraulic forming equipment |
| 09/10/2008 | CN101259491A Metallic extrusion molding method of rotating cavity die |
| 09/10/2008 | CN101259490A Processing method of marble for marble lockset and its special-purpose mold |
| 09/09/2008 | US7421874 Main cylinder or press cylinder of an extrusion/tube extrusion press |
| 09/04/2008 | WO2008105303A1 High-strength and high-ductility al alloy and process for production of the same |
| 09/04/2008 | US20080209972 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 09/04/2008 | US20080209971 Method and Device for Correcting a Bevel Error of a Polygonal Profile, in Particular a Flank Alignment Error of a Toothing |
| 09/03/2008 | CN101256044A Refrigerant pipe for refrigeration cycle and manufacturing method of the same |
| 09/03/2008 | CN101254513A Leadless alloy thread preparation |
| 09/02/2008 | CA2504127C Method and apparatus for producing mounting member of rotary cleaning member |
| 08/28/2008 | US20080202653 To make complex shapes such as a multichannel profile or tube such as for a heat exchanger or heat pump; use of extrusion die; alloy contains some beta-phase brass |
| 08/27/2008 | CN201105291Y Squeezing press having prestress |
| 08/27/2008 | CN101249526A Copper covered aluminum wire forming technique |
| 08/27/2008 | CN101249524A Device for wedge pressure forming process gear |
| 08/27/2008 | CN101249523A Method for wedge pressure forming process gear wheel |
| 08/26/2008 | CA2523281C Vehicle step tube |
| 08/20/2008 | CN201102035Y Continuous extrusion equipment with lubricating |
| 08/19/2008 | US7412864 Method of forming trailer receiver |
| 08/14/2008 | US20080194412 Method of Manufacturing Superconducting Wire |
| 08/14/2008 | DE10320014B4 Vorrichtung zum Strangpressen von Rohren und Profilen aus Stahl, Metall und Metall-Legierungen Apparatus for extruding tubes and profiles of steel, metal and metal alloys |
| 08/13/2008 | CN101239492A Method for processing forming mould |
| 08/13/2008 | CN101239361A Manufacturing and processing method of D-type copper pipe |
| 08/13/2008 | CN100410000C Method for manufacturing ground tackle for finish rolling of screw-thread steel by heat expansion |
| 08/13/2008 | CN100409958C Combined continuous extruder cavity |
| 08/07/2008 | WO2008092925A2 Electrode for lead-acid batteries |
| 08/06/2008 | EP1951925A1 Strand-shaped product for producing an anticorrosive and antiabrasive layer on a substrate |
| 08/06/2008 | CN101234581A Aluminum alloy rim and method for manufacturing rim body |
| 08/06/2008 | CN101234401A Magnesium alloy automobile wheel extrusion molding method and mold |
| 08/06/2008 | CN100408905C Manufacturing method of seamless steel pipe for pressure pipeline |
| 07/31/2008 | WO2008089656A1 Prestress aluminum-clad stranded wire |
| 07/31/2008 | WO2008089655A1 Preparation process and product for prestress aluminum-clad steel wire |
| 07/31/2008 | US20080180912 Radiator, heat sink fan, and radiator manufacturing method |
| 07/30/2008 | CN101229582A Semi-solid rheo-extrusion casting technology and equipment of hypereutectic Al-Si alloy casting |
| 07/23/2008 | CN201088982Y Reciprocating extrusion device for preparing ultra-fine crystal material |
| 07/23/2008 | CN101227813A Radiator, heat sink fan, and radiator manufacturing method |
| 07/23/2008 | CN101224544A Producing method of lead frame cuprum alloy strip with high strength and conductivity |
| 07/23/2008 | CN101224533A Cu and Cu alloy strip manufacturing method |
| 07/23/2008 | CN101224490A Continuous rheological extending forming method for preparing Al alloy tube |
| 07/23/2008 | CN100404155C Process for the return extrusion of internal profiles |
| 07/17/2008 | DE102007002322A1 Production of sheet metal (components) made of light metal, especially magnesium, comprises producing an extruded section in an open contour in preceding process steps followed by straightening and bending using rollers in successive steps |
| 07/16/2008 | CN201086099Y Automatic stop device of empty tape for core packaging device |
| 07/16/2008 | CN101220520A Germanium monocrystal hot pressing deforming technique |
| 07/16/2008 | CN101220519A Germanium monocrystal hot pressing deforming device |
| 07/16/2008 | CN101219445A Equipment and method for processing stainless steel washbasin |
| 07/16/2008 | CN101219444A Isometric bending channel deformation production method for high-strength commercial titanium block at room temperature |
| 07/16/2008 | CN101219443A Production of high-accuracy special-shaped copper strip with continuous extrusion process |
| 07/10/2008 | US20080163958 Lamellar gamma-titanium aluminum alloy; matrix and a plurality of lamellar colonies within said microstructure having a nonplanar morphology; fatigue resistance and a higher threshold for small crack fracture resistance |
| 07/09/2008 | EP1941953A1 Method and tool for impact extrusion of magnesium forgeable alloys |
| 07/09/2008 | CN101214600A Magnesium alloy compositely forming method |
| 07/09/2008 | CN101214510A Blind hole internal gear precision forming method and internal tooth forming mold |
| 07/09/2008 | CN101214509A Enclosed extruding precision punching forming method |
| 07/03/2008 | DE10246940C5 Vorrichtung zum Querfließpressen von Werkstücken und Verfahren zum Betreiben einer derartigen Vorrichtung Device for lateral extrusion of work pieces and method of operating such a device |
| 07/02/2008 | CN101209465A Method for preparing aluminum series composite material extrusion sectional material and sectional material |
| 06/26/2008 | WO2008074499A1 Hollow piston for an axial piston machine |
| 06/26/2008 | WO2007120396A3 Method and apparatus for preventing or arresting crack development and propagation |
| 06/26/2008 | US20080152444 Method and apparatus for making a rotary tool for chip removing machining |
| 06/25/2008 | CN201076875Y Profiling mechanism extruding device for manufacturing electroslag welding cooling tube |
| 06/25/2008 | CN101204771A Process method and special device of helical blade |
| 06/25/2008 | CN100396432C Maching process and mold for annulus of external gear reduced one-way device |
| 06/24/2008 | US7389668 Metal molding method and machine, and metal molded body |
| 06/19/2008 | WO2008073473A1 Apparatus and method for extruding micro-channel tubes |
| 06/19/2008 | CA2672098A1 Micro-channel tubes and apparatus and method for forming micro-channel tubes |
| 06/18/2008 | CN101199971A Process for vacuum weld chamber combined dies copper production porous shape |
| 06/18/2008 | CN100395052C Model and method for liquid state formation of aluminium hub disc for special vehicle |
| 06/18/2008 | CN100395048C Method for producing multiple layered metal composite powder cone type wire by using continuous pipe wire-forming tech. |
| 06/18/2008 | CN100395047C Tubular metal body and method of producing same |
| 06/12/2008 | US20080138644 Metal Honeycomb Substrates For Chemical and Thermal Applications |
| 06/12/2008 | US20080138163 Process of producing nanocrystalline bodies |
| 06/11/2008 | CN101195879A Al2O3dispersion strengthening copper alloy and method for producing the same |
| 06/11/2008 | CN101195201A Direct forming technique for special pipe special for electric power plant and shaping machine group |
| 06/11/2008 | CN101195199A Special-shaped cross section copper strip process technique and special-shaped cross section copper strip produced by using the technique |
| 06/11/2008 | CN101195133A Technique for extrusion pressing copper stephanoporate sectional material with follow-up composite needle |
| 06/11/2008 | CN100393444C Metal honeycomb substrates for chemical and thermal applications |
| 06/11/2008 | CN100393437C Method for producing extrusion product by single-sheave groove continuous extruder and apparatus thereof |
| 06/10/2008 | US7383713 Method of manufacturing a consumable filler metal for use in a welding operation |
| 06/05/2008 | US20080127704 Hollow stepped shaft and method of forming the same |
| 06/05/2008 | US20080127702 Extruder and Pipe Extruder |
| 06/05/2008 | US20080127701 System for the Production of Extruded Aluminum Profiles |
| 06/04/2008 | CN201067770Y Mobile die slide block mechanism for extruding machine |
| 06/04/2008 | CN101193715A Magnesium alloy-powder raw material, high proof-stress magnesium alloy, method for manufacturing magnesium alloy-powder raw material and method for manufacturing high proof-stress magnesium alloy |
| 06/04/2008 | CN101191183A Method for preparing copper-titanium composite material |
| 06/04/2008 | CN100391689C Method for manufacturing prestress ground tackle clamping piece by hot extrusion |
| 06/04/2008 | CN100391636C Method for eliminating vestige produced during extrusion of aluminium section by using demoulding agent |
| 06/04/2008 | CN100391635C Method for producing trailer screw blank piece |
| 06/03/2008 | US7380432 Method and apparatus for equal channel angular extrusion of flat billets |
| 05/29/2008 | WO2008063076A1 Screw extruder for continuous extrusion of materials with high viscosity |
| 05/29/2008 | DE102007003553A1 Verbundprofil mit einem Tragkörper aus Leichtmetallwerkstoff sowie einem Profilband und Verfahren zum Herstellen des Verbundprofils Composite profile comprising a supporting body made of light metal material and a profile strip and method of manufacturing the composite profile |
| 05/29/2008 | DE102006055455A1 Cooling element for semi-conductor components, has spheroidization, which is formed between chamfers of closure profile, where spheroidization, which is limited by base plate, forms channel shaped hollow chamber |
| 05/29/2008 | CA2670110A1 Screw extruder for continuous extrusion of materials with high viscosity |
| 05/28/2008 | EP0968083B1 Constrained filament electrolytic anode and process of fabrication |
| 05/28/2008 | CN101185946A Roll type cold pressing processing method and device for vehicle driving axle housing |
| 05/28/2008 | CN100389903C Forging method and forging apparatus |
| 05/28/2008 | CN100389895C Impact extrusion forming method, and impact extrusion forming device |
| 05/22/2008 | US20080118595 Continuous extrusion apparatus |
| 05/22/2008 | US20080115552 Method of plastically forming splines on shaft-like workpiece |
| 05/21/2008 | EP1786578B1 Method and device for correcting the bevel error of a polygonal profile, in particular a gear tooth alignment error |
| 05/21/2008 | CN101181771A Extruding-bending integral forming method for magnesium alloy profiles |
| 05/21/2008 | CN101181724A Method for stamping interval half gear on edge of coin and souvenir badge |