| Patents for B21C 25 - Profiling tools for metal extruding (3,331) |
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| 04/03/2001 | US6209379 Large deformation apparatus, the deformation method and the deformed metallic materials |
| 03/21/2001 | CN1063359C Method and mould for pressing lock clip of air valve |
| 02/27/2001 | US6192730 Process for extruding a hollow section or the like from a billet and a device for that purpose |
| 02/21/2001 | CN2420077Y Improved forming mould for connection shaft |
| 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 |
| 02/14/2001 | CN2418978Y Liquid pressing mould for flywheel cover for gear chamber of multi-cylinder diesel engine |
| 02/01/2001 | WO2001007405A2 New vitamin d derivatives with cyclic substructures in the side chains, method and intermediates for their production and their use in the preparation of medicaments |
| 02/01/2001 | DE19935771A1 Neue Vitamin D-Derivate mit cyclischen Substrukturen in den Seitenketten, Verfahren und Zwischenprodukte zu ihrer Herstellung und die Verwendung zur Herstellung von Arzneimitteln New vitamin D derivatives with cyclic substructures in the side chains, to processes and intermediates for their preparation and to the use for the preparation of medicaments |
| 02/01/2001 | CA2376465A1 New vitamin d derivatives with cyclic substructures in the side chains, method and intermediates for their production and their use in the preparation of medicaments |
| 01/23/2001 | US6176153 Process for manufacturing an extrusion tool using a CVD process |
| 01/10/2001 | CN2413815Y Top mould board for aluminium exturding type die |
| 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 |
| 12/13/2000 | CN1059380C Method and device for continuous manufacture of profiled sections |
| 12/06/2000 | EP1056554A1 Forming tool |
| 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 | US6153131 Determining optimal extrusion process parameters such as temperature and speed and then designing an extrusion die based on these parameters |
| 11/22/2000 | EP0747145B1 Die for extrusion of variable cross section and extrusion molding method for variable cross section |
| 10/26/2000 | DE19916566A1 Die for heavy duty hollow shaping tool, with reinforcement consisting of reinforcing fibers or fiber strings round circumference of pressing bush |
| 10/24/2000 | US6134936 Mold for heat sink |
| 10/18/2000 | EP1044741A2 Large deformation apparatus, the deformation method and the deformed metallic materials |
| 10/11/2000 | CN2400197Y Double-coupled gear blank profiling die |
| 10/04/2000 | CN2399128Y Solid section extruding mould |
| 09/12/2000 | US6116074 Extrusion arrangement and process for manufacturing hollow-profile workpieces made of metal |
| 07/26/2000 | CN2389025Y Improved aluminium-extruding type hollow tube formation structure |
| 07/12/2000 | EP1017527A1 Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel |
| 07/12/2000 | CN2386901Y Novel aluminium alloy combination compressing die |
| 07/12/2000 | CN1259897A Extrusion molding process and related apparatus |
| 07/12/2000 | CN1054321C Teeth extrusion mould for working iron door hinge teeth end and method for extruding teeth end |
| 06/28/2000 | EP1011884A1 Extrusion die, production and use |
| 06/07/2000 | CN2381410Y Structure of indirect extruding mould |
| 05/16/2000 | US6062059 Manufacture of extrusion dies |
| 05/09/2000 | US6058757 Machining of sheet by compression without removal of material |
| 04/26/2000 | CN1051729C Extruding mould |
| 04/20/2000 | WO2000021696A1 Apparatus and method for forming a pipe with increased wall-thickness at its ends |
| 04/20/2000 | CA2346705A1 Apparatus and method for forming a pipe with increased wall-thickness at its ends |
| 04/12/2000 | CN2373201Y Mould for producing give-up positive pole zonal magnesium |
| 04/04/2000 | US6044680 Machining of sheet without removal of material |
| 03/30/2000 | DE19842293A1 Process for extruding hollow profiles from ingots comprises inserting the ingot material under pressure into a central feed of a molding tool and feeding the ductile mass produced at an angle to a pressing device |
| 03/23/2000 | WO2000015862A1 A method and a device for the treatment of a tool, and a medium |
| 03/23/2000 | DE19842291A1 Verfahren zum Strangpressen eines Hohlprofils od. dgl. Körpers aus einem Barren sowie Vorrichtung dazu Process for extruding a hollow section od. The like. A device body from an ingot, as well as to |
| 03/22/2000 | EP0987068A2 Method and device for the extrusion of a hollow section or similar body from bars |
| 03/15/2000 | CN1247110A Technology and mould for manufacturing Al-alloy heat radiator with ultrahigh tooth-form ratio |
| 03/01/2000 | CN2366197Y Automobile safety air-bag air generator-shell damping type cold extruding dies structure |
| 02/23/2000 | CN1245094A Tool set for extruding metal |
| 02/22/2000 | US6027822 Core material coated with a solid-phase extruded, corrosion-resistant metal, wherein the metal has a longitudinally oriented grain structure and a uniform grain size; rechargeable batteries |
| 02/22/2000 | US6027683 Extrusion molding process and apparatus |
| 02/09/2000 | EP0769334B1 Variable cross section extruding die and variable cross section extrusion molding method |
| 02/09/2000 | CN2362606Y Composite mould for one-step cold-extrusion formation of multi-section spline shouldered shaft |
| 01/19/2000 | CN2359022Y Flat extrusion tube for forming aluminium section bar |
| 12/23/1999 | WO1999065622A1 Improvements in or relating to the manufacture of extrusion dies |
| 12/23/1999 | CA2334667A1 Improvements in or relating to the manufacture of extrusion dies |
| 12/21/1999 | US6004489 Method for designing an extrusion process and die |
| 12/14/1999 | US6000269 Method of forging and forging equipment |
| 12/08/1999 | CN2352276Y Dies for cold extruding valve core |
| 12/07/1999 | US5996393 Extrusion die for tungsten alloys |
| 12/01/1999 | EP0906160A4 Extrusion die |
| 12/01/1999 | CN2351225Y Feed-through extruder |
| 11/24/1999 | EP0958121A1 A method for continuous manufacture of profiled sections and a device for performing the method |
| 11/23/1999 | US5989466 Variable section extrusion die set and variable extrusion molding method |
| 11/17/1999 | EP0626059B1 Intermetallic alloys for use in the processing of steel or glass |
| 11/16/1999 | US5983675 Method of preparing intermetallic alloys |
| 11/03/1999 | CN2346520Y Inner frame processing mould improved structure of aluminium door/window |
| 11/02/1999 | US5974850 Extrusion die |
| 10/27/1999 | CN1045912C Mold-extruding expanding and forming process for multi-way pipe and its die |
| 10/20/1999 | CN2344107Y New type aluminium alloy squeezing die |
| 10/12/1999 | US5964120 Hot extrusion forging die for use in titanium alloy |
| 09/29/1999 | CN1045265C Combined mold for extrusion pressing and method of extrusion pressing |
| 09/07/1999 | US5948523 Tool for coldforming operations |
| 09/01/1999 | CN2335718Y Non-ferrous metal hot extrusion die |
| 08/24/1999 | CA2129523C Intermetallic alloys for use in the processing of steel |
| 08/19/1999 | DE19804700A1 Formwerkzeug Mold |
| 08/18/1999 | EP0719189A4 Continuous metal strip production having an alignment system |
| 08/12/1999 | WO1999039848A1 Forming tool |
| 08/11/1999 | CN1225689A Tool for coldforming operations |
| 07/21/1999 | CN1223178A Machining of sheet without removal material |
| 05/19/1999 | EP0916421A1 Machining a sheet metal without removing material, by compressing |
| 05/19/1999 | EP0916419A1 Working of sheet without removing material, by drawing |
| 05/18/1999 | US5904939 Extruder for extrusion manufacturing |
| 05/13/1999 | CA2250991A1 Sheet metal machining by way of stretching and without removal of material |
| 05/12/1999 | EP0914487A1 Tool for coldforming operations |
| 04/28/1999 | CN2316057Y Hydraulic die frame for hot extrusion formation of half-axle sleeve |
| 04/28/1999 | CN2316056Y Fixed dummy block device for aluminium section material |
| 04/22/1999 | DE19810013A1 Extrusion tool |
| 04/07/1999 | EP0906160A1 Extrusion die |
| 03/24/1999 | CN2311322Y Steel combined with golden empiecement die assembly |
| 03/24/1999 | CN2311321Y Disposable vulcanizing mould for gasket of internal combustion engine |
| 03/18/1999 | WO1999012671A1 Extrusion die, production and use |
| 03/11/1999 | DE19810015A1 Strangpreßwerkzeug, Verfahren zu dessen Herstellung sowie seine Verwendung Extrusion die, a process for its preparation and its use |
| 03/09/1999 | US5878616 Centering plug for pipe press |
| 02/25/1999 | CA2236129A1 Billet for molding aluminum |
| 02/24/1999 | CN2308453Y Hard alloy column tooth and drill sheet pressuring die |
| 02/16/1999 | US5870922 Process and system of calculation for construction of dies for extrusion of solid aluminum profiles |
| 02/16/1999 | US5870921 Extrusion die for semi-hollow and hollow extruded shapes and tube |
| 01/20/1999 | CN2304481Y Flat extruding cylinder |
| 12/23/1998 | WO1998057793A1 Extrusion molding process and the related apparatus |
| 12/23/1998 | CA2294015A1 Extrusion molding process and the related apparatus |
| 12/15/1998 | CA2100356C Method and apparatus for production of continuous metal strip |
| 11/17/1998 | US5836191 Continuous extrusion apparatus |
| 11/11/1998 | CN2296779Y Combined terrace die for extruding deep hole |