| Patents for B21C 23 - Extruding metal; Impact extrusion (6,435) |
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| 10/14/1998 | CN1040185C Method for manufacturing hub of wheel |
| 10/07/1998 | EP0868948A2 Articles of silver or silver alloy |
| 10/07/1998 | CN1195099A 膨胀阀 Expansion valve |
| 10/01/1998 | WO1998042460A2 Producing a metal article by casting and forging |
| 09/30/1998 | EP0867669A2 Expansion valve |
| 09/29/1998 | US5813270 Continuous extrusion apparatus |
| 09/23/1998 | EP0865938A1 Method of producing light alloy wheels |
| 09/23/1998 | EP0865847A2 Drill and method for its production |
| 09/23/1998 | CN1194013A Manufacture of thin pipes |
| 09/17/1998 | WO1998040608A2 A modular machine |
| 09/17/1998 | WO1998040188A1 A method of engine manufacture |
| 09/15/1998 | US5809393 Sputtering target with ultra-fine, oriented grains and method of making same |
| 09/09/1998 | CN1039680C Method and apparatus for mfg. composite metal wire by using two-wheel type continuous extrusion apparatus |
| 08/26/1998 | CN1191162A Process and apparatus for locally heating extrusion of profile cross-section steel |
| 08/06/1998 | WO1998033610A1 Semi-solid metal forming process |
| 08/04/1998 | US5787585 Method of making a vehicle compartment from a cylindrical tube |
| 08/01/1998 | CA2196479A1 Semi-solid metal casting process |
| 07/23/1998 | WO1998031958A2 Production of a metal pipe connection |
| 07/22/1998 | EP0853992A2 Method for the production of a valve casing for a gate valve |
| 07/21/1998 | US5782145 Process for the fabrication of a multi-blade tool |
| 07/21/1998 | US5782120 Continuous extrusion |
| 07/14/1998 | US5780755 Comprising a body of aluminum which may be alloyed with atleast one metal selected from coppoer, silicon, zirconium, titanium, tungsten, rhenium, scandium, cobalt, molybdenum, platinum, gold, hafnium and alloys with specific grain size |
| 07/14/1998 | US5780063 Apparatus for producing a hard metal or ceramic rod having helical bores |
| 07/07/1998 | CA2035136C Apparatus for controlled adjustment of a stopper of a distributor channel or the like in a continuous casting plant |
| 07/02/1998 | WO1998028129A1 Constrained filament electrolytic anode and process of fabrication |
| 07/01/1998 | CN1186005A Improved apparatus for extrud ing aluminum sections |
| 06/24/1998 | EP0848760A1 Process for manufacturing thin pipes |
| 06/18/1998 | WO1998025715A2 Method of producing a forged metal part |
| 06/16/1998 | US5765425 Radial extrusion process combined with inside tune ironing |
| 06/16/1998 | CA2127197C Structure and method for joining extrudate member and mating member |
| 05/28/1998 | DE19751280A1 New powder metallurgical aluminium@-zinc@-magnesium@-copper@ alloy |
| 05/28/1998 | DE19648971A1 Drill |
| 05/27/1998 | EP0843604A1 Method of manufacturing seat rails and the provided rails |
| 05/14/1998 | WO1998019803A1 Process for extruding a metal section |
| 05/14/1998 | CA2270069A1 Process for extruding a metal section |
| 05/13/1998 | EP0841105A2 Method for extruding of a cup-shaped part |
| 05/13/1998 | EP0595877B1 Process of producing superconducting alloys |
| 05/07/1998 | WO1998018587A2 Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel |
| 05/06/1998 | EP0839595A1 Manufacturing method of mettalic pipes which are cladded inside |
| 05/06/1998 | EP0839589A1 Method for producing a metallic profiled strand |
| 04/30/1998 | DE19644447A1 Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial Method and apparatus for continuous extrusion of equipped with a helical inner channel bars of plastic raw material |
| 04/29/1998 | CN1179997A Cold extruding technique of plasma cutting machine nozzle |
| 04/28/1998 | US5743121 Glass lubricants of metal oxides of bismuth, tin and copper, coating then reducing the metal oxide and hot working to produce net shapes |
| 04/21/1998 | US5740688 Pressure-assisted formation of shaped articles |
| 04/21/1998 | CA2090432C Long deformed extruded metallic shape and method of manufacturing said shape |
| 04/14/1998 | US5737959 Method of plastic forming of materials |
| 04/09/1998 | WO1998014285A1 Method for manufacturing a structural member |
| 04/09/1998 | WO1998014284A1 Centering plug for a pipe press |
| 04/02/1998 | DE19702719C1 Method for producing a metal pipe connector |
| 03/31/1998 | US5732586 Cold extrusion for helical gear teeth |
| 03/12/1998 | WO1998009749A1 Method of fabricating shaft from metal plate |
| 03/11/1998 | CN1175766A Shaft machining apparatus |
| 03/05/1998 | DE19635375A1 Producing profiles reinforced with endless fibres |
| 03/04/1998 | CN1174765A Method for working spline shaft |
| 02/24/1998 | US5722033 Mixing dry powder of boron carbide and aluminum alloy matrix to form homogenous mixture, compacting into solid ingot, melting the ingots, stirring to remove slag, impelling melt, flowing dry argon, removing froth, cooling to form cast |
| 02/19/1998 | DE19633619A1 Method for producing extruded strips |
| 02/10/1998 | US5716718 Aluminum mesh with interlaced hollow and solid ribs |
| 02/04/1998 | EP0822017A1 Drive arrangement for a metal extrusion press |
| 02/04/1998 | EP0822016A1 Method for producing bimetallic material |
| 02/04/1998 | CN1171986A Method for manufacturing or repairing hydro-cylinder and pipeline using composite material |
| 01/29/1998 | DE19629853A1 Drive for a metal extrusion press |
| 01/28/1998 | EP0820820A2 Horizontal metal extrusion press |
| 01/14/1998 | EP0818252A1 Indirect extrusion press and method for removing a blocked billet |
| 01/08/1998 | WO1998000259A1 Fabrication methods for boron carbide-aluminum alloy metal matrix composites |
| 01/08/1998 | WO1998000249A1 Roll-over bar device |
| 01/07/1998 | EP0816637A2 Gas turbine guide vane |
| 01/07/1998 | EP0815985A1 Method and apparatus for the hot-forming of tubular box-type elements of any shape made from a light alloy |
| 12/23/1997 | US5701576 Processing waste metal article to produce chips, compacting and vacuum deaerating, extruding, carrying a diffusion treatment to produce self-diffusion of metallic atoms, plastically working |
| 12/18/1997 | WO1997047408A1 A three-dimensional body with means for transferring a fluid from the body to a narrow orifice and a method and apparatus for making the same |
| 12/10/1997 | CN1167452A Method and device for forming and/or coating wire-shaped metal material |
| 12/04/1997 | DE19622111A1 Conductor bars/rods manufacturing method e.g. for industrial electrodes |
| 11/25/1997 | US5691282 Mixture of glass powder, glass frits, graphite, alkali metal silicate, sodium polymetaphosphate, thickener and borax |
| 11/20/1997 | DE19619417A1 Mounting guide for foil extruded railcar sections, used in light railway |
| 11/18/1997 | US5687604 Thermal controlled mandrel with replaceable tip for copper and brass extrusion |
| 11/13/1997 | DE4244861C2 Continuous mfr. of cylindrical bars |
| 11/12/1997 | EP0805724A2 Machining of a memory metal |
| 11/12/1997 | CN1164744A Composite section of two different metals, in particular for use as conductor rail, and processes for manufacture thereof |
| 10/29/1997 | EP0802837A1 Horizontal metal bar extrusion press |
| 10/22/1997 | CN1162509A Method and mould for pressing lock clip of air valve |
| 10/21/1997 | US5678442 For a billet |
| 10/16/1997 | WO1997038146A1 Aluminium-magnesium alloy plate or extrusion |
| 10/15/1997 | CN1161888A Reducing-extrusion processing method and apparatus thereof |
| 10/09/1997 | WO1997036701A1 Variable-thickness extrusion method and extrusion unit in accordance with said method |
| 10/08/1997 | EP0799900A1 High strength aluminium-magnesium alloy material for large welded structures |
| 10/02/1997 | CA2245834A1 Drilling tool for machine tools and method of producing the same |
| 10/01/1997 | CN2263558Y Screw-thread steel sleeve cold extrusion press |
| 10/01/1997 | CN1160610A Continuous production process of multi-layer composite metal pipe, bar and wire |
| 09/30/1997 | US5671908 Elastic mount and process of manufacturing the same |
| 09/30/1997 | US5671631 Hot plastic working method |
| 09/24/1997 | EP0796677A1 Extruded material for expansion working and method of expansion working |
| 09/17/1997 | CN1159371A Method for making cone-shaped pipe by extrusion |
| 09/16/1997 | US5666849 Method of correcting the dimension of workpieces |
| 09/16/1997 | US5666846 Extrusion apparatus for making seamless tubes from hollow billets |
| 09/16/1997 | US5666727 Method of manufacturing a passenger compartment from a cylindrical tube |
| 09/10/1997 | CN1158766A One-time bicycle hub forming manufacture method |
| 09/04/1997 | WO1997031792A1 Light metal rim ring and method for constructing it |
| 09/03/1997 | EP0792197A1 Continuous extrusion of complex articles |
| 08/27/1997 | EP0791412A1 Composite profile of two different metals, in particular for use as a conductor rail and method for its production |
| 08/27/1997 | EP0790869A1 Method and device for forming and/or coating wire-shaped metal material |
| 08/27/1997 | CA2197154A1 Composite section of two different metals, in particular for use as a conductor rail, and process for the manufacture thereof |