Patents for B21C 23 - Extruding metal; Impact extrusion (6,435)
03/1994
03/29/1994US5298337 Perforated plates for cryogenic regenerators and method of fabrication
03/23/1994CN2159268Y Cold pressing apparatus for valve screw
03/22/1994US5296190 Metallurgical products improved by deformation processing
03/22/1994CA1327956C Method and apparatus for coating a core material with metal
03/02/1994CN2157837Y Shaping die for extruding T-branch pipe
02/1994
02/22/1994US5287813 Coach body construction for rail vehicles having extruded aluminum profiles with undercut nut-receiving grooves for ease of asssembly
02/16/1994CN2155965Y Seamless extruding three-way, four-way die
02/16/1994CN2155964Y Aluminium extruding pipe shaping die
02/15/1994US5286577 Co-drawn composite of conductor core and matrix; high purity aluminum; aluminum iron cerium alloy matrix
02/08/1994US5284428 Apparatus for conform extrusion of powder feed
01/1994
01/12/1994CN1080575A Titanium elbow making method
01/05/1994EP0576878A1 Device to exchange and adjust a die in a press
12/1993
12/23/1993DE4317703A1 Superconductive alloy wire - contg. niobium (alloy) or titanium@ (alloy) and pinning portion, and has high critical current density
12/23/1993DE4220178A1 Support structure for table or other piece of furniture - has support frame with inner trellis type bars, open celled member, duct and hollow chambers
12/21/1993CA1325461C Clad metal product
12/15/1993EP0574194A1 Method for producing heat treated composite nuclear fuel containers
12/09/1993WO1993024944A1 Extruded capacitor electrode and method of making the same
12/09/1993DE4318512A1 Continuous powder extrusion and extrusion equipment - involves feeding powder into precompression chamber, pressing through die with restriction, to compress powder, and repeating, to give continuous product
12/08/1993CN1079333A Extruded capacitor electrode and method of making same
12/01/1993EP0572105A1 Method for forming tube-shaped rack bar and device therefor
11/1993
11/23/1993US5264163 Detecting temperature of molding material; heat exchanging; solidification; analyzing feedback signal with computer
11/23/1993US5263349 Extrusion of seamless molybdenum rhenium alloy pipes
11/18/1993DE4216158A1 Manufacturing process of wheel key for vehicle wheel - involves extruding cylindrical hollow profile and then cutting off blank and shaping it to required shape
11/17/1993CN1022737C Method for making mixing rare-earth metal thread bar
11/16/1993US5262123 Friction extrusion, metal working
11/16/1993US5261591 Method of explosively bonding composite metal structures
11/02/1993US5257453 Process for making exhaust valves
10/1993
10/28/1993WO1993020961A1 Process and device for the continuous production of cylindrical rods with at least one internal helical channel, and sinter blank made by this process
10/27/1993EP0566733A1 Method and apparatus for production of continuous metal strip.
10/20/1993EP0316344B1 Indirect extrusion press with ram-mounted turret supporting tool
10/14/1993WO1993020003A1 Bobbin body and process for producing the same
10/14/1993DE4211827A1 Continuous mfr. of cylindrical bars - by pressing plastic mass through nozzle part, and imparting twisting movement, to form helical internal channel
10/12/1993CA2065435C Billet pre-piercer apparatus and method
10/07/1993DE4211172A1 Spulenkörper und Verfahren zu dessen Herstellung Bobbin and process for its preparation
10/05/1993US5249427 Method and device for cooling coated wire
09/1993
09/29/1993CN1022222C Machining method and apparatus of dies for precise fooge of bevel gears
09/29/1993CN1022221C Fabrication technology of dual-hole conductive and water cooled copper bus bar
09/28/1993US5247821 Extruding press and method for its feeding
09/22/1993CN1022170C Special steel tubes rolling and extruding equipment
09/14/1993US5245514 Extruded capacitor electrode and method of making the same
09/08/1993EP0559097A2 Process for preparing metallic foams
09/07/1993US5241848 Light weight drive shaft
08/1993
08/24/1993US5237746 Method of preparing cylindrical aluminum substrate for electrophotographic photoreceptor
08/11/1993EP0555062A1 Clad wire rod
07/1993
07/27/1993US5231259 Radiation manufacturing apparatus
07/27/1993US5230748 Superconductor and process of manufacture
07/22/1993WO1993013884A1 Method and device for hot forming of metals or metal alloys
06/1993
06/30/1993CN1073619A Integral moulding process for producing steel pipe three-way union
06/29/1993US5223206 Method for producing heat treated composite nuclear fuel containers
06/29/1993US5222284 Apparatus for making co-axial cable
06/24/1993WO1993011887A1 Sealing device for the plunger of an extruder
06/24/1993CA2099256A1 Sealing device for an extruder
06/23/1993EP0547520A1 Vacuum extrusion press assembly for metals
06/10/1993WO1993011401A1 Perforated plates for cryogenic regenerators and method of fabrication
06/10/1993WO1993010922A1 Extrusion apparatus for sheathing a temperature sensitive core material
05/1993
05/26/1993EP0542788A1 Ductile ultra-high strength aluminium alloy components
05/26/1993CN1020870C Method of making heat exchanger and hollow shape for such
05/19/1993DE4137839A1 Non-erosion coating prodn. on turbine blade, for light wt. and efficiency - by forging blank contg. aluminium@ alloy surrounded by steel layer, extruding to form stock, and applying protective layer to blade, or high turbine speeds
05/19/1993CN2133377Y Friction extrusion press
05/18/1993US5211048 Method of forming shaped configuration at end of long element
05/13/1993WO1993009889A1 Method and apparatus for production of continuous metal strip
05/12/1993CN1071947A High-temp. solid lubricant for extruding aluminium shaped material and its preparing process
05/05/1993EP0539906A1 Rapid loading short-stroke extrusion press, and process
04/1993
04/20/1993US5204315 Superconductor wire and process for production thereof
04/15/1993DE4133340A1 Capacitor can with burst section - has cup shaped housing formed in press extrusion process with die having insert to form grooves for burst section
04/14/1993EP0536365A1 Paste extruder.
04/14/1993EP0536210A1 Method and device for continuous casting and extrusion.
04/07/1993EP0535835A1 Manufacture of cables by hydrostatic extrusion
04/07/1993EP0535167A1 Metallurgical products improved by deformation processing
04/03/1993CA2079660A1 Manufacture of cables
03/1993
03/30/1993US5197319 Extrusion apparatus for sheathing a temperature sensitive core material
03/25/1993DE4131332A1 Extruded light metal profile, for heat exchanger - is formed by section of circular/helical semi-finished part, without bending process
03/24/1993EP0532598A1 Method of manufacturing tubes.
03/18/1993WO1993004897A1 Structural beam and the method of manufacturing such a beam
03/17/1993EP0531612A1 Method for carrying out the ejection cycle of the air stored between die and billet in a billet extruding press
03/16/1993US5193357 Ice machine with improved evaporator/ice forming assembly
03/04/1993CA2054632A1 Continuous wire drawing process with mechanical descaling and post-die treatment and apparatus
03/03/1993EP0529447A1 Horizontal extrusion press
02/1993
02/24/1993EP0528215A1 Method of extruding aluminum alloy and dies thereof
02/23/1993CA1313752C Method of making heat exchanger and hollow shape for such
02/09/1993US5184494 Method of forming universal joint housings
02/04/1993WO1993002222A1 Process of producing superconducting alloys
02/04/1993WO1993001908A1 Method of forming universal joint housings
02/04/1993CA2113616A1 Method of forming universal joint housings
02/03/1993EP0526174A1 Process for making exhaust valves
02/03/1993EP0526046A2 Composite poppet valve and method for manufacturing same
02/02/1993CA1313292C Process for manufacturing a tubular semifinished copper alloy part
01/1993
01/26/1993US5181410 Aluminum mesh with hollow ribs and the related workpiece extruding die
01/19/1993US5179778 Method and means for producing disks of tightly packed on-end aligned fibers
01/07/1993DE4120166A1 Strangpresswerkzeug zur herstellung eines hartmetall- oder keramikstabes mit gedrallten innenbohrungen Extrusion die for making a carbide or ceramic rod with twisted inside holes
12/1992
12/30/1992EP0520064A1 Method and apparatus for cold extruding universal seal crosspieces
12/30/1992CN2126120U Three-way pipe coupling axial extruding shaping device
12/29/1992WO1993000183A1 Long deformed extruded metallic shape and method of manufacturing said shape
12/29/1992US5174831 Forming intermetallic layer of transitional metal and a nontransitional metal by heating to react all the first metal with second metal; multilayer of pure transitional metal and intermetallic
12/29/1992US5174830 Superconductor and process for manufacture
12/23/1992WO1992022390A1 Extrusion die tool for producing a hard metal or ceramic rod with twisted internal bores
12/22/1992CA1311721C Indirect extrusion process and machinery therefor
12/16/1992EP0517884A1 Low aspect ratio lithium-containing aluminum extrusions
12/09/1992EP0516750A1 Method for superplastic forming of rapidly solidified magnesium base metal alloys
12/01/1992US5167480 Rapidly solidified high temperature aluminum base alloy rivets
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