| Patents for B21C 31 - Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses (533) |
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| 08/17/2011 | CN102151709A Method for differentially extruding and forming pipe fittings arbitrarily bent on plane by adopting double convex dies |
| 08/03/2011 | CN102139291A Synchronous control system of extruding cylinder and extruding plug for reverse extruder |
| 08/03/2011 | CN102139289A Reducing and press mounting method of steel plate spring bushing for automobile |
| 08/03/2011 | CN101780488B Internal thread cold-extrusion processing quality on-line forecasting method |
| 07/06/2011 | CN101227813B Radiator |
| 06/15/2011 | CN201862648U Hydraulic extrusion press for three-way pipe fitting |
| 05/25/2011 | CN102069103A Plastic processing method for magnesium alloy capillary tube |
| 05/18/2011 | CN102059266A Extrusion deformation method of aluminium alloy profile |
| 05/11/2011 | CN102049426A Method for controlling speed regulation of isothermal extrusion of industrial aluminum profiles for transportation |
| 05/04/2011 | CN102039326A Method for preparing bimetallic seamless steel pipe for alkali recovery boiler |
| 04/28/2011 | US20110094280 Apparatus for hydraulically actuating processing machines such as metal forming machines and method for actuating such metal forming machines |
| 04/20/2011 | CN201799473U Electrode die with functions of bias load resistance and double pressing operations in one die |
| 04/20/2011 | CN101722209B Preparation method of large slenderness ratio and high-toughness magnesium alloy capillary |
| 04/20/2011 | CN101444802B A method of producing particle reinforced aluminum-base compound material continuously by using extrusion-upsetting and device thereof |
| 04/13/2011 | CN101760682B Preparation method of aluminum alloy semi-ring for fairing of launch vehicle |
| 04/13/2011 | CN101406907B Apparatus for producing tubes by squeezing |
| 03/30/2011 | CN201776303U Pipe material extruding experiment device |
| 03/30/2011 | CN101992382A Method for carrying out cold extrusion molding on pinion in automobile steering device |
| 03/30/2011 | CN101722206B Device and control system for realizing temperature gradient distribution of extrusion billet |
| 03/30/2011 | CN101077507B Micro-device warm extrusion molding method and device based on laser heating |
| 02/09/2011 | CN101966536A Torsion type reciprocating extrusion device and process method thereof |
| 01/19/2011 | CN101670385B Pulse current assisted extrusion forming device and extrusion forming method |
| 01/19/2011 | CN101391269B Broad-width extrusion device and technique thereof |
| 01/05/2011 | CN101934297A Suspended hot extrusion forming method for blanks |
| 01/05/2011 | CN101637785B Superplastic micro-forming device and method for forming micro parts thereof |
| 01/05/2011 | CN101590493B Method for preparing equal-channel reciprocating extrusion magnesium alloy with back pressure and extrusion die thereof |
| 01/05/2011 | CN101417388B Preparation method of light high-intensity aluminum base home-position composite material for cable bridge frame |
| 12/29/2010 | CN101491873B Two-step plasticity forming method of vehicle wheel hub and mated forming die |
| 12/15/2010 | CN201669302U Blank selecting machine |
| 12/15/2010 | CN101912890A Method for establishing constitutive relation model of material during extrusion deformation of pipe |
| 12/15/2010 | CN101912889A Distributive extrusion process method and distributive extrusion mold thereof |
| 12/08/2010 | CN101905251A Extrusion deforming process of high-strength large-diameter magnesium alloy rod |
| 12/08/2010 | CN101590495B Method for preparing particle reinforced aluminum-matrix steel-backed composite board |
| 12/08/2010 | CN101518792B Method for precisely forming copper-nickel alloy flange pipes |
| 10/27/2010 | CN101869927A Sorting machine |
| 10/13/2010 | CN201603770U 无缝管材挤压固定针工艺定针精度控制装置 Seamless pipe extrusion process given fixed needle needle precision control device |
| 10/13/2010 | CN101856678A Device capable of realizing accurate control of equal-channel angular extrusion processing route |
| 10/13/2010 | CN101497088B Method for processing metallic lithium belt |
| 09/29/2010 | CN101549361B Rare-earth magnesium alloy seamless thin wall tubule hot-extrusion method and its specialized mold |
| 09/15/2010 | CN101518794B Production method for Gamma-TiAl alloy bar |
| 09/08/2010 | CN201572812U Constant-temperature protective device of extrusion metal perforated pipe |
| 09/08/2010 | CN201572808U Hydraulic servo vibration extruder |
| 09/08/2010 | CN101824571A Mg-Al-Zn-RE wrought magnesium alloy containing Ce-La mixed rare earth and production method and application thereof |
| 09/01/2010 | CN201565489U Combined-type cooling device and cooling system |
| 09/01/2010 | CN201565488U Direct cooling tank and cooling system |
| 09/01/2010 | CN101817030A Technical configuration method for major-diameter aluminum-alloy round cast ingot heating facility |
| 08/25/2010 | CN201558878U Oil circuit control device of three-way pipe fitting extrusion moulding machine |
| 08/25/2010 | CN201558876U Device of forming helical tooth through extrusion in gear blank |
| 08/18/2010 | CN101804770A Wheel bearing device and manufacturing method therefor |
| 08/11/2010 | CN201543672U Extrusion molding device for outer star wheel of automobile |
| 08/11/2010 | CN201543668U Cable position control device of metal extruder |
| 07/28/2010 | CN101786113A Preparation method of Al-based alloy core wire |
| 07/21/2010 | CN101780488A Internal thread cold-extrusion processing quality on-line forecasting method |
| 07/14/2010 | CN101773947A Digital hydraulic extruder speed control system and method |
| 07/14/2010 | CN101773946A Extrusion die with an equal-passage spiral cavity for molding magnesium alloy square rods and extrusion method |
| 07/07/2010 | CN101767594A Magnesium alloy ventilation window of railway coach and manufacturing process thereof |
| 06/30/2010 | CN101760682A Aluminum alloy semi-ring for fairing of launch vehicle and preparation method thereof |
| 06/23/2010 | CN101745556A Pipe end extrusion molding machine |
| 06/16/2010 | CN201505677U Eccentric extrusion forming device for tubing bent piece |
| 06/16/2010 | CN201505676U Flexible extrusion molding device for tubing bent piece |
| 06/16/2010 | CN101733622A Method for producing high-temperature resistant high-strength high-modulus aluminium matrix composite |
| 06/16/2010 | CN101733301A Method for controlling pin positioning accuracy by seamless tube extrusion locking pin process |
| 06/09/2010 | CN101723039A Front triangular binding head and rear triangular binding head of damping bicycle stand, production technology thereof and die |
| 06/09/2010 | CN101722209A Preparation method of large slenderness ratio and high-toughness magnesium alloy capillary |
| 06/09/2010 | CN101722206A Device and control system for realizing temperature gradient distribution of extrusion billet |
| 06/02/2010 | CN101239361B Manufacturing and processing method of D-type copper pipe |
| 05/26/2010 | CN201482813U Hollowing, flattening and square-pressing device of copper tube of crystallizer |
| 05/26/2010 | CN101712207A High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| 05/19/2010 | CN101107512B Article visual inspection device |
| 05/14/2010 | WO2010051848A1 Methods and system for manufacturing lead battery plates |
| 05/14/2010 | WO2010051754A1 Broad-width extrusion device and extrusion process thereof |
| 05/12/2010 | CN201455035U Magnesium alloy sheet extruder |
| 05/12/2010 | CN101704032A Direct cooling barrel and system used for extruding metal |
| 05/12/2010 | CN101704031A Indirect cooling sleeve and system used for extruding metal |
| 05/05/2010 | CN101700538A Composite cooling device and system for metal extrusion |
| 04/28/2010 | CN201442041U Continuous extruder with water spray cooling extrusion wheel and material stop block |
| 04/28/2010 | CN101698205A Method for continuously extruding and molding zinc alloy structural materials |
| 04/21/2010 | CN101269386B Magnesium alloy plastic process product and manufacture method thereof and its uses |
| 03/17/2010 | CN201425729Y High-power side wing enhanced radiating plate used for display card |
| 03/17/2010 | CN101670385A Pulse current assisted extrusion forming device and extrusion forming method |
| 03/17/2010 | CN101670384A Process for producing extruded hollow bar with high lead and low copper content |
| 03/10/2010 | CN201419191Y Extrusion displacement accuracy control device of drill-pipe thickening machine |
| 01/27/2010 | CN100584518C Impact extrusion forming technology for aluminum alloy water heating parts and products thereof |
| 01/06/2010 | CN100577344C Active mesothermal copper base solder, and preparation method thereof |
| 12/23/2009 | CN100571915C Forming process of large conic roller blank |
| 12/16/2009 | CN100569975C Extrusion deformation damping aluminum-magnesium alloy and preparation method |
| 12/16/2009 | CN100569407C Hot extrusion production technique for improving plastisity of magnesium alloy sectional material |
| 12/02/2009 | CN101590495A Method for preparing particle reinforced aluminum-matrix steel-backed composite board |
| 12/02/2009 | CN101590493A Method for preparing equal-channel reciprocating extrusion magnesium alloy with back pressure and extrusion die thereof |
| 11/11/2009 | CN100558479C Prestressed aluminum-cladding stranded wire |
| 10/07/2009 | CN101549361A Rare-earth magnesium alloy seamless thin wall tubule hot-extrusion method and its specialized mold |
| 09/16/2009 | CN101531150A Method for producing copper and aluminium composite slide wire |
| 09/02/2009 | CN101518794A Production method for Gamma-TiAl alloy bar |
| 09/02/2009 | CN101518792A Method for precisely forming copper-nickel alloy flange pipes |
| 08/26/2009 | CN101513649A Method for producing variable diameter magnesium alloy pipe |
| 08/19/2009 | CN101507984A Locked core aluminum section bar extrusion technique |
| 08/19/2009 | CN100528392C Traction engine data transmitting system |
| 08/19/2009 | CN100528391C Hot extrusion steel tube blank tail pad warming and transporting unit |
| 08/12/2009 | CN100525987C High strength aluminum alloy welding wire and its preparing method |
| 08/05/2009 | CN101500722A Device and method for forming a workpiece |