| Patents for B21C 23 - Extruding metal; Impact extrusion (6,435) |
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| 05/30/2001 | CN1066492C Method for manufacture of cylinder sleeve |
| 05/30/2001 | CN1066355C Process and device for continuous uniformly pressing long strip conductor by expansion |
| 05/30/2001 | CN1066354C Process and device for continuously uniformly pressing long strip by lateral extrusion |
| 05/29/2001 | US6238495 Material for construction of storage containers or vessels for land or marine transportation; high temper strength, ductility, pitting, stress and exfoliation corrosion resistance |
| 05/23/2001 | EP1100636A1 Metallic shell component |
| 05/23/2001 | DE10056946A1 Endoscopic treatment instrument carrier element production process, involving making holding part by forging front part of cylindrical metal workpiece |
| 05/23/2001 | CN2431058Y Water seal for extruder |
| 05/22/2001 | US6233997 Metal-extrusion press |
| 05/17/2001 | WO2001034330A1 Aluminium alloy and method for the production thereof |
| 05/15/2001 | US6233500 Optimization and control of microstructure development during hot metal working |
| 05/03/2001 | WO2001031274A1 Micro-multiport tubing and method for making same |
| 05/03/2001 | DE19941364A1 Spray head for spraying separating medium in extrusion press has separating medium subjected to bias pressure by suction pressure pump with main valve closed to speed up conveying |
| 05/02/2001 | CN2428234Y Extrusion hydraulic device for inverse tapering tooth-sleeve of automobile synchronizer |
| 05/02/2001 | CN2428233Y Hollow-section extrusion mould |
| 04/26/2001 | DE10052142A1 Production method for tubular metal casings for sparking plugs, involves cold forging using prepared dies and punching to produce tubular component with stepped tapered section |
| 04/25/2001 | CN2427399Y Internal pressing formation machine |
| 04/24/2001 | US6219914 Process for producing a cylinder with a bulge |
| 04/19/2001 | WO2001026835A1 Copper tubing |
| 04/19/2001 | WO2001026834A1 Continuous extrusion apparatus |
| 04/19/2001 | CA2397807A1 Continuous extrusion apparatus |
| 04/19/2001 | CA2382332A1 Copper tubing |
| 04/18/2001 | EP1091814A1 Continuous extrusion using dynamic shoe positioning |
| 04/18/2001 | CN1291674A Equistrength link technique and equipment of ribbed reinforcing bars by removing ribs and rolling threads |
| 04/18/2001 | CN1291557A Technology for manufacturing aluminium rim |
| 04/12/2001 | WO2001025712A1 Apparatus and method for manufacturing one-piece flat sided extruded product |
| 04/11/2001 | CN1064284C Reducing-extrusion processing method and apparatus thereof |
| 04/11/2001 | CN1064278C Continuous extrusion apparatus |
| 04/10/2001 | US6213385 Method of cladding tubing and manufacturing condensor cores |
| 04/10/2001 | US6212929 Device and method for forming, in particular cold-forming, workpieces |
| 04/03/2001 | US6209379 Large deformation apparatus, the deformation method and the deformed metallic materials |
| 03/21/2001 | EP1085744A2 External drum imaging system |
| 03/21/2001 | CN1288401A Continuous extrusion using dynamic shoe positioning |
| 03/21/2001 | CN1063479C Lubricating agent composition for metal heat working parts |
| 03/21/2001 | CN1063359C Method and mould for pressing lock clip of air valve |
| 03/15/2001 | WO2001017705A2 Method and device for producing a sintered metal blank with interior helical recesses |
| 03/07/2001 | CN2422074Y Forming machine for forming pipe fitting with bidirectional synchronous structure |
| 03/06/2001 | US6195893 Method of manufacture of heat exchange unit |
| 02/27/2001 | US6192978 Micro-multiport (MMP) tubing with improved metallurgical strength and method for making said tubing |
| 02/27/2001 | US6192730 Process for extruding a hollow section or the like from a billet and a device for that purpose |
| 02/27/2001 | US6192584 Method for manufacturing a structural member for collison impact |
| 02/20/2001 | US6190595 For manufacturing bent workpieces, having an extrusion die which presses material through a bottom die, further bottom die elements are displaceably, rotatably disposed so their openings form extrusion duct of variable curvature and twist |
| 02/20/2001 | US6189363 Structure of molding tool for manufacturing cooling fins |
| 02/07/2001 | CN1061697C Aluminium-magnesium alloy plate or extrusion |
| 01/31/2001 | CN2416976Y Device for mfg. shell of probe |
| 01/31/2001 | CN2416975Y Device for automatically mfg. probe |
| 01/31/2001 | CN1281760A Gear quantitative cold precision extrusion working method |
| 01/30/2001 | US6178634 Miniature recycle-type heat exchange production method |
| 01/24/2001 | CN1280896A Tool used in chip removal processing |
| 01/24/2001 | CN1061103C Method for making hollow bodies |
| 01/10/2001 | EP1066901A2 Tool for chip removing machining |
| 01/10/2001 | CN1279139A Machining tools, and method and apparatus for manufacturing them |
| 01/04/2001 | WO2000047787A3 Processes for producing fine grained metal compositions using continuous extrusion for semi-solid forming of shaped articles |
| 01/03/2001 | EP1065131A2 Rack and pinion steering apparatus and method for manufacturing a helical pinion |
| 01/03/2001 | EP1065021A1 Tool, method and device for manufacturing a tool |
| 12/21/2000 | DE19927106A1 Rohrstrangpresse Pipe extrusion press |
| 12/20/2000 | EP1060806A2 Tube extrusion press |
| 12/19/2000 | US6161285 Method for manufacturing a poppet valve from a γ-TiAl base alloy |
| 12/14/2000 | WO2000075489A1 Tube-formed rock bolt |
| 12/14/2000 | WO2000074870A1 Tool, and a method and device for its manufacturing |
| 12/14/2000 | DE19925029A1 Deforming process used for extruding workpieces comprises pre-tensioning the mold using a tensioning cone before or during extruding and unlocking before ejecting |
| 12/14/2000 | CA2371136A1 Tube-formed rock bolt |
| 12/13/2000 | EP1059128A1 Gas cylinder fabrication |
| 12/13/2000 | CN1059380C Method and device for continuous manufacture of profiled sections |
| 12/07/2000 | WO2000073529A1 Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioning piping and method of manufacturing it |
| 12/07/2000 | WO2000072990A1 Metallic shell component |
| 12/07/2000 | DE19922660A1 Closure device for transverse impact extrusion of components has ring piston nitrogen gas pressure springs between mold parts and support plates |
| 12/07/2000 | DE19922659A1 Hydraulische Schließvorrichtung zum Querfließpressen von Werkstücken Hydraulic clamping device for lateral extrusion of workpieces |
| 12/07/2000 | CA2336074A1 Metallic shell component |
| 12/06/2000 | EP0978332B1 Multi-cylinder metal-extrusion press |
| 12/05/2000 | US6155092 Apparatus and method for forming a double ended upset pipe |
| 11/30/2000 | WO2000071275A1 Device for manufacturing metal objects |
| 11/28/2000 | US6151777 Method of manufacturing a blank raw material for a hose end fitting |
| 11/22/2000 | EP1053810A2 Sputtering target and method of making same |
| 11/22/2000 | EP1053801A2 Hydraulic closing-device for the lateral extrusion of workpieces |
| 11/15/2000 | CN1058425C Process for production of seamless steel pipe by using plastic deforming method and apparatus thereof |
| 11/09/2000 | DE19921407A1 Tubular panel structure for heat exchanger has pre-positioned solder in grooves at mid-point between adjacent chambers, reducing subsequent assembly costs |
| 11/07/2000 | US6142001 Cylindrical shell for use in gas cylinder fabrication |
| 11/02/2000 | EP1048375A2 Method for forming a copper blank by cold extrusion and press tool including a cutting tool for carrying out the method |
| 11/02/2000 | EP0892858B1 Aluminium-magnesium alloy plate or extrusion |
| 11/02/2000 | DE19920040A1 Verfahren zur Umformung eines Kupfer-Rohlings durch Kaltfließpressen und Preßwerkzeug mit zugeordnetem Schneidwerkzeug zur Durchführung des Verfahrens A method for forming a copper ingot by cold extrusion and compression tool with associated cutting tool for carrying out the method |
| 11/01/2000 | CN1271629A Third-generation semi-automatic dedicated machine for push cutting and hobbing gear |
| 10/31/2000 | US6138730 Light metal rim ring and method for constructing it |
| 10/31/2000 | US6138488 Method and apparatus for forming a heat dissipating element |
| 10/18/2000 | EP1044741A2 Large deformation apparatus, the deformation method and the deformed metallic materials |
| 10/18/2000 | EP0843604B1 Method of manufacturing seat rails |
| 10/17/2000 | US6132677 Radioactive articles of isotopes, extrusion and drawing |
| 10/04/2000 | EP1041165A1 Shock absorbing material |
| 10/03/2000 | US6125679 Pressure-assisted formation of shaped articles |
| 09/21/2000 | WO2000054907A1 Method for forming metal parts by cold deformation |
| 09/20/2000 | CN2396904Y Gear quantitative cold fine-extrusion working equipment |
| 09/19/2000 | US6120625 Heating metal starting material until the microstructure consists of discrete spheroidal particles suspended in lower melting liquid matrix, then shaping |
| 09/19/2000 | US6119308 Vertical blind extruded track and tilt rod members |
| 09/14/2000 | WO2000053914A1 Method for manufacturing internal combustion engine pistons |
| 09/14/2000 | CA2365335A1 Method for manufacturing internal combustion engine pistons |
| 09/12/2000 | US6116074 Extrusion arrangement and process for manufacturing hollow-profile workpieces made of metal |
| 08/30/2000 | CN2393664Y Cylindrical container forming apparatus |
| 08/23/2000 | EP0711210B1 Method of plastic forming of materials |
| 08/17/2000 | WO2000047793A1 Aluminium alloy containing magnesium and silicon |
| 08/17/2000 | WO2000047787A2 Processes for producing fine grained metal compositions using continuous extrusion for semi-solid forming of shaped articles |
| 08/17/2000 | CA2375916A1 Processes for producing fine grained metal compositions using continuous extrusion for semi-solid forming of shaped articles |