Patents for B21C 3 - Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing (1,992)
01/2005
01/26/2005CN2673526Y Helical compression type single body pressure mould
01/19/2005EP1098721B1 Hydro compression tube forming die and method for making same
01/19/2005CN1185057C Metal wire working method and wire-drawing bench
01/06/2005US20050000261 Variable curvature tube and draw die therefor
12/2004
12/29/2004WO2004112978A1 Apparatus for rectifying round pipe and tubing
12/28/2004US6834523 Method for producing seamless tube with grooved inner surface
12/22/2004CN1181219C Method for mfg. large hole diamond coating drawing die
12/16/2004US20040251324 Spray boom for a hydraulic descaling facility
12/16/2004US20040250597 Method and device for production of hollow sections
12/15/2004EP1327007B1 Tool for coldforming operations
12/15/2004CN1555298A Manufacture of metal tubes
12/15/2004CN1554495A Magnesium alloy wire drawing method
12/07/2004US6826940 Method of metal and alloy billet treatment
12/02/2004US20040237618 Wire reduction device
12/02/2004DE10322132A1 Wire drawing apparatus, includes drawing die arranged outside a drawing reservoir, with a channel arranged between the die and the reservoir
11/2004
11/17/2004CN1546250A Aluminium-clad wire wet dragging method for electrician
11/11/2004DE20122242U1 Vorrichtung zur Herstellung von Hohlprofilen An apparatus for producing hollow profiles
11/10/2004CN1544170A Diamond die production process
11/02/2004US6810712 Split die and die nib defined by the same
10/2004
10/27/2004CN1539567A Method for producing modified half-hollw section of pure copper
10/20/2004CN2649211Y Pressure-adjustable lubricating device
10/06/2004CN1534721A Method and device for forming microslot in lamp filament
10/05/2004US6800147 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
10/05/2004US6799357 Manufacture of metal tubes
09/2004
09/30/2004US20040187539 Method and apparatus for forming microchannels in a filament wire
09/22/2004CN1531469A Spray boom for hydraulic descaling facility
09/22/2004CN1167827C Method for preparing wire drawing mold with diamond composite coating
09/15/2004CN1528542A Method and apparatus for manufacturing reducing pipe
09/15/2004CN1166467C Production technology of tin-plated wire-drawing die slip-in cover
09/14/2004US6791064 Arc welding wire of high feeding performance and wire drawing method
09/08/2004CN1526488A Production process of wire drawing hard alloy die with gradient varying performance
08/2004
08/26/2004US20040163436 Method of metal and alloy billet treatment
08/25/2004CN1522807A Special mould production method of heavy caliber cold drawing seamless steel pipe
08/18/2004EP1447151A1 Device for covering or embedding a metal with another metal
07/2004
07/29/2004DE10048312B4 Abstreckvorrichtung Abstreckvorrichtung
07/22/2004US20040139777 Tube compressing roller die
06/2004
06/23/2004CN2621095Y Auxiliary lubricating device of linear bull block
06/16/2004EP1427550A1 Manufacture of metal tubes
06/16/2004EP1427549A1 Spray beam for a hydraulic descaling facility
06/10/2004US20040107758 Method and apparatus for forming a modified a cross-section wire material
05/2004
05/27/2004WO2004043621A1 Device for the production of semifinished wire
05/27/2004DE10253346A1 Device for fabrication of esp. hexagonal semi-finished wire for high temperature superconductors has drawing die in holder held on axial roller bearing and guided by needle bearing
05/26/2004CN2617487Y Wire drawing stepped pulley
05/06/2004US20040086414 Powder injection molding together with careful control of the relative shrinkage rates of the various parts
04/2004
04/28/2004CN1492786A Continuing rolling apparatus for wire
04/22/2004WO2004033121A1 Equipment for cold-drawing a metal wire
04/15/2004US20040071581 Powder injection molding to form a continuous body having multiple parts, each of which has different functional properties such as corrosion resistance or hardness; no connective materials between parts; e.g., orthodontic bracket
04/13/2004US6718809 Method for processing billets out of metals and alloys and the article
04/01/2004DE20220804U1 Pressure drawing tool, used for drawing wires, rods and profiles, has a drawing core made from one piece with a drawing hole with a funnel-shaped entry zone, a pressure build-up zone, an entry area, a shaping zone, a guiding length, etc.
03/2004
03/31/2004CN1143903C High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof
03/25/2004US20040055352 Method of continuous production of metal wires
03/18/2004US20040050133 Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method
03/18/2004US20040049917 Method of making an internal grooved tube
03/04/2004DE10336988A1 Continuous manufacture of metal wires, e.g. in electrical industry, involves shaping round metal wire to form flat wire in laterally open gauge at least during final stage and without significant decrease in cross-section
03/03/2004EP1393828A2 method for continuous production of metal wires
02/2004
02/19/2004US20040031308 Apparatus for manufacturing small diameter medical devices
02/11/2004EP1388379A1 Device for drawing or stretching (wires, bars, tubes) with a quasi zero wear of the die and the reaching of optimal tribological conditions
01/2004
01/21/2004CN1135141C Tool set for extruding metal
01/15/2004DE10228926A1 Matrize zum Abstreckgleitziehen von dünnwandigen Bechern Female for Abstreckgleitziehen of thin-walled cups
01/13/2004US6675623 Method and apparatus for manufacturing keystone type superconducting compacted stranded wires
01/07/2004CN1466496A Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method
12/2003
12/11/2003WO2003101638A1 Material for diamond sintered body die and diamond sintered body die
12/09/2003US6660225 Method to form multi-material components
11/2003
11/26/2003CN1128687C Method for producing wood wool pulp board from China fir
11/18/2003US6647755 Method for manufacturing small diameter medical devices
10/2003
10/15/2003CN1448230A Apparatus for producing internally grooved tube
10/15/2003CN1448228A Apparatus for producing internally grooved tube
10/09/2003WO2003082495A1 Cold diameter reduction press molding method of metal pipe and metal pipe molded by that method
10/02/2003US20030182980 Apparatus for producing internally grooved tube
10/02/2003US20030182979 Method for producing seamless tube with groved inner surface
08/2003
08/27/2003EP1056554B1 Forming tool
08/20/2003EP1336438A1 Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method
08/13/2003CN2565557Y Mirror accumulative crystallization diamond wire drawing die
07/2003
07/30/2003EP1331649A1 Method and apparatus for producing keystone type superconducting formed strand
07/29/2003US6598287 Apparatus and method for sizing a galvanized tube
07/24/2003US20030136171 Split die and die nib defined by the same
07/24/2003US20030135976 Apparatus and method for sizing a galvanized tube
07/16/2003EP1327488A2 Drawing die for drawing iron and steel rods
07/16/2003EP1327007A1 Tool for coldforming operations
07/16/2003CN1429671A Manufacturing method of composite type diamond wire drawing die blank and die blank
06/2003
06/26/2003WO2003051547A1 Continuing rolling apparatus for wire
06/19/2003US20030110825 Manufacture of metal tubes
05/2003
05/20/2003US6565675 Multistage wet drawing; reinforcement for pneumatic tires
05/08/2003WO2003037539A1 Method and device for the production of hollow sections
05/02/2003EP1306143A1 Method and apparatus for the manufacturing of hollow profiles
04/2003
04/15/2003US6546779 Eyelet sizing tool for a needle/armature rotation limiting feature of a fuel injector
04/10/2003US20030066575 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
04/02/2003CN2542354Y Cold draw steel-tube core for aluminium foil
03/2003
03/27/2003WO2003024639A1 Manufacture of metal tubes
03/27/2003WO2003024636A1 Spray boom for a hydraulic descaling facility
03/26/2003EP1295657A1 Method to form multi-material components
03/26/2003CN1405350A High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof
03/26/2003CN1404934A Production technology of tin-plated wire-drawing die slip-in cover
03/19/2003EP1293582A2 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof
03/12/2003CN1401818A Method for mfg. large hole diamond coating drawing die
02/2003
02/26/2003CN2537489Y Extruding and tapping device after reinforcing steel bar connection piece blank by drawing and extruding
02/26/2003CN2537488Y Reinforcing device for steel bar connection piece blank by drawing and extruding
02/12/2003EP1071525B1 Method and device for coating and shaping strand-shaped metallic material by drawing
02/06/2003US20030024291 Method and apparatus for manufacturing keystone type superconducting compacted atranded wires
02/04/2003US6513699 Process for the production of metal pipes
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