Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784)
02/2004
02/24/2004US6694616 Method of forming T-connectors
02/19/2004WO2004014578A1 Bundle draw based processing of nanofibers and method of making
02/19/2004US20040031309 Method and a device for manufacturing of a closed profile and a profile manufactured according to said method
02/19/2004DE10236281A1 Method for manufacturing spindle nuts for ball thread drives involves arranging externally profiled tool mandrel in hollow blank and exerting radial force from outside to reshape blank to form helical track
02/18/2004EP1389149A1 Tool for a bending machine
02/18/2004CN1475691A Continuous production device of steel plastic composite pipe having holed steel skeleton surface coated with binder
02/17/2004US6691414 Method and system for coating and fabricating spiral rebar
02/17/2004US6691397 Method of manufacturing same for production of clad piping and tubing
02/12/2004DE10235045A1 Fabrication method for tube rounds for thin-walled tubes etc. with long strip being folded through 180o along fold line parallel to outer band edge and fastened by welding etc.
02/11/2004EP1387726A2 Apparatus and method for reshaping tubes
02/10/2004US6689234 Method of producing metallic materials
02/10/2004US6688513 Process for producing longitudinally welded tubes
02/05/2004WO2001003865A3 Method of forming a tube
02/05/2004US20040020627 Method for the production of inorganic fiber-reinforced metal matrix composite wires
02/05/2004DE10234029A1 Vorrichtung zur abschnittsweisen Autofrettage von Rohren Apparatus for piecewise autofrettage of pipes
02/05/2004DE10232098A1 Vorrichtung zum Herstellen von Rohren aus Blechtafeln Apparatus for producing pipes from metal sheets
02/04/2004EP1386116A1 Improved heat transfer tube with grooved inner surface
02/04/2004EP1385654A1 Hollow construction element and method of producing
02/04/2004EP1385646A1 Tube corrugating apparatus and method
02/04/2004CN1473086A Hollow member ,manufacturing method, thereof, fluid distribution system using hollow member, and forming apparatus of hollow member
02/03/2004US6685783 Method for making a part in shape memory alloy and part obtained by said method
02/03/2004US6685082 Process for continuous production of longitudinally welded metal tubing
02/03/2004US6684617 Process allowing to increase the cracking corrosion resistance of a wire under stress
01/2004
01/29/2004WO2003026827A8 Method for increasing the fatigue resistance of welded pipes
01/29/2004DE10160004B4 Verfahren und Vorrichtung zum Wechseln der Walzen in einem Rohr-Schweißgerüst Method and device for changing the rolls in a pipe welding scaffold
01/28/2004EP1384534A1 Apparatus for sectional autofrettage of tubes
01/28/2004EP1383625A1 A process of making a shaped product
01/27/2004US6683268 Application of a hybrid arc/laser process to the welding of pipe
01/27/2004US6682612 Method of heat treatment of wire
01/27/2004US6682610 Manufacturing method for hollow stabilizer
01/22/2004WO2004007111A1 Frame producing method and frame
01/22/2004US20040014266 Bonding wire for semiconductor and method of manufacturing the bonding wire
01/22/2004DE10233374B4 Verfahren zur Herstellung eines einteiligen Pressfittings aus Metall A process for preparing a one-piece press fitting made of metal
01/22/2004DE10228697A1 Verfahren zur Verbindung eines Rohrs aus Metall mit umfangsseitigen Rippen aus einem Nichteisen-Metall als Bestandteile eines Wärmeübertragers und Wärmeübertrager A method for connecting a pipe made of metal and has circumferential ribs from a non-ferrous metal as components of a heat exchanger and heat exchanger
01/21/2004EP1382402A2 Device for the manufacture of tubes from metal plates
01/21/2004CN2600188Y Device for forming metal framework of steel-plastic composited tube
01/20/2004US6678938 System for fabricating muntin bars from sheet material
01/15/2004US20040007040 Method and tool for folding a metal strip
01/14/2004EP1379341A1 A method and a device for manufacturing of a closed profile and a profile manufactured according to said method
01/14/2004EP1272291B1 Process for producing a tubular component
01/13/2004US6675627 Method and device for forming conical tube casings
01/13/2004US6675623 Method and apparatus for manufacturing keystone type superconducting compacted stranded wires
01/08/2004WO2004002673A1 Seam-welded air hardenable steel tubing
01/08/2004WO2004002652A1 Split die for forming grooved workpieces
01/08/2004WO2004002644A1 Method of manufacturing continuous sucker rod
01/08/2004US20040003645 Method and device for producing steel, especially stainless steel press fittings
01/08/2004CA2490289A1 Method of manufacturing continuous sucker rod
01/07/2004CN1466496A Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method
01/07/2004CN1133856C Capillary pipe for refrigerator/air co ditioner and making method thereof
01/06/2004US6672119 Axial-position adjustment for profiled rolling-mill rolls
01/06/2004US6671956 Method of producing metal substrates used in purification of exhaust gas
01/02/2004EP1375053A1 Stationary welding device and process to longitudinally weld profiles
01/02/2004EP1375019A1 Thick-walled small diameter pipe producing method
01/02/2004EP1374717A2 A process for the production of bi-coloured ornamental items
12/2003
12/31/2003WO2004001082A1 Stainless-steel pipe for oil well and process for producing the same
12/31/2003WO2004001076A1 Oil well steel pipe excellent in crushing resistance characteristics after pipe expansion
12/31/2003CN1464803A Grip ring metal wire material, method of producing such grip metal wire material and device for producing such grip ring
12/31/2003CA2490700A1 Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof
12/28/2003CA2390054A1 Method for manufacturing continuous sucker rod
12/25/2003US20030235680 Method of rolling material
12/25/2003US20030234273 Process for the production of filled wire and plate strip to create bi-colour ornamental items as well as similarly made items
12/24/2003WO2003106718A1 Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
12/24/2003WO2003106064A1 Perforated spiral pipe
12/24/2003DE10206255C2 Rohrschweißvorrichtung Pipe welder
12/24/2003CN1463353A Improved heat transfer tube with grooved inner surface
12/23/2003US6666265 Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchange
12/23/2003US6666058 Method and device for manufacturing a surface-structured pipe conduit element
12/18/2003WO2003104736A1 Heat transfer tube and method of and tool for manufacturing the same
12/18/2003US20030230555 Method and device for producing a hollow profile
12/18/2003US20030230127 Perforated spiral pipe
12/18/2003DE29724766U1 Electronically controlled welded hollow body production - using sensors to determine lubricating, cleaning and phosphating solution concentrations
12/17/2003EP1371430A2 Method and apparatus for the manufacturing of a hollow profile
12/17/2003EP1371429A1 Device for the manufacture of tubes
12/17/2003EP1060050B1 Method and device for transferring a hollow-profile blank
12/17/2003EP1015146B1 Double-walled structure and method and arrangement for producing the same
12/16/2003US6663984 Clad steel rolled section for reinforcing concrete and method of production
12/16/2003US6662447 Method and apparatus for the production of double-walled hollow sections by means of internal high-pressure forming
12/14/2003CA2429933A1 Method and device for producing a hollow profile
12/11/2003US20030226389 Method of producing metal rod of a blind
12/10/2003EP1368144A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion
12/09/2003US6659137 Two-layer clad pipe
12/04/2003WO2003099482A1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
11/2003
11/27/2003WO2003098142A1 Heat carrier and method for the production thereof
11/27/2003US20030217844 Deformable member
11/27/2003US20030217795 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same
11/26/2003EP1364724A1 Method of making a hole in a tube by fluo-drilling
11/26/2003EP1140384B1 Device and method for continuously producing a composite tube
11/26/2003EP0726186B1 Belt mounting clamp for seat belt assembly and process for production thereof
11/26/2003CN2588156Y Shaping mechanism for inner die of aluminium-plastics pipe
11/26/2003CN1457940A Device for producing rod material with inner screw cooling hole
11/25/2003US6652680 Method for producing tubes for heavy guns
11/25/2003US6651304 Method for fabricating contour muntin bars from sheet material
11/20/2003WO2002051577A9 Methods and systems for fabricating spiral welded cylinders
11/19/2003EP1362649A1 Method and tool for folding a metal strip
11/19/2003EP1362648A1 Method of making an aluminum tube
11/19/2003EP1361932A1 Process for making fine metallic mesh
11/19/2003EP1105231B1 Rolling machine
11/19/2003CN1456400A Metal tube and its manufacturing method
11/19/2003CN1456398A Red copper threading pipe connector producing method
11/19/2003CN1128331C Heat exchanging tube for absorber and method of manufacturing same
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