| 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) |
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| 10/14/2004 | US20040200070 Method of manufacturing tube and apparatus for manufacturing the same |
| 10/14/2004 | DE10331000B3 Production of welded large pipes in the form of screw-threaded pipes made from hot rolled steel comprises decoiling the hot strip, joining the beginning of the strip with the beginning of a precursor strip and further processing |
| 10/13/2004 | EP1466676A1 Method and apparatus for producing a closed metal profile or metal pipe having a longitudinally varying wall thickness |
| 10/13/2004 | EP1466674A2 Method and device for the manufacturing of a tube from a metallic material |
| 10/13/2004 | EP1465825A1 Support for moving cylindrical elements and a method and conveyor using such supports |
| 10/13/2004 | EP1368144B1 Method for producing a wire with improved resistance to corrosion |
| 10/13/2004 | CN1535774A Method and device for making metal pipe |
| 10/12/2004 | US6802366 Swage method for cooling pipes |
| 10/12/2004 | CA2463351A1 Method of and apparatus for producing tubes of metal |
| 10/10/2004 | CA2464912A1 Method and device for producing a closed metal profile or metal tube with wall thickness varying in the longitudinal direction |
| 10/07/2004 | US20040194943 Method and apparatus for manufacturing heat exchanger tube |
| 10/07/2004 | US20040194526 Apparatus and method for drawing continuous fiber |
| 10/07/2004 | US20040194275 Method and device for the production of a metal profile |
| 10/06/2004 | EP1250208B1 Method of linking steel tubes with aluminum ribs |
| 10/06/2004 | EP1153255B1 Pyrometallurgical reactor cooling element and its manufacture |
| 10/06/2004 | CN1535324A Bundle drawn stainless steel fibers |
| 10/06/2004 | CN1534721A Method and device for forming microslot in lamp filament |
| 10/05/2004 | US6800153 Method for producing β-titanium alloy wire |
| 10/05/2004 | US6800147 High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof |
| 10/05/2004 | US6799357 Manufacture of metal tubes |
| 09/30/2004 | US20040190733 Ultrasonic energy system and method including a ceramic horn |
| 09/30/2004 | US20040187665 Machine for continuous-cycle shearing of moving welded tubes |
| 09/30/2004 | US20040187541 Mold assembly for forming annular bulges on tube |
| 09/30/2004 | US20040187539 Method and apparatus for forming microchannels in a filament wire |
| 09/30/2004 | DE10312072A1 Deformation method for flat sheet metal, involves deforming flat sheet by movement of upper and lower curved supports toward each other, and while flat sheet metal is supported by mandrel |
| 09/29/2004 | EP1462200A1 A machine for continuous-cycle shearing of moving welded tubes |
| 09/29/2004 | EP1296801A4 Skiving and roller burnishing tool |
| 09/29/2004 | EP1003981B1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube |
| 09/29/2004 | CN2644041Y Automatic stretching-machine |
| 09/23/2004 | US20040182483 Process for manufacturing structural components by machining plates |
| 09/23/2004 | US20040182123 Grip ring metal wire material, method of producing such grip ring metal wire material and device for producng such grip ring metal wire material, and method of producing pipe coupling grip using metal wire material, device for producing such pipe coupling grip ring, and pipe coupling grip ring |
| 09/23/2004 | DE10333507B3 Process to manufacture a seamless steel pipe by punching hot metal block with a mandrel followed by passage through inclined nip mill |
| 09/23/2004 | DE10120392B4 Verfahren zum Herstellen von rotationssymmetrischen Bauteilen A process for the manufacture of rotationally symmetrical components, |
| 09/22/2004 | EP1459817A1 Vehicle suspension system and method for forming connecting component used therein |
| 09/22/2004 | EP1458504A1 Method and device for changing the rolls of a tube welding stand |
| 09/22/2004 | EP1345710B1 Device and method for making connections that cross over exhaust devices |
| 09/22/2004 | CN1530186A Manufacture of forging decorative door or window frame with straight bars |
| 09/22/2004 | CN1168143C Thin wire of gold alloy and manufacture and use thereof |
| 09/22/2004 | CN1167875C Common rail system and method of manufacturing the same |
| 09/21/2004 | US6793122 Method for the production of reinforced hollow sections with a continuous periphery |
| 09/16/2004 | WO2004078372A1 Method for treating the inner surface of a tube |
| 09/15/2004 | EP1301292B1 Method for making a structural element having a generally tubular metal wall and structural element |
| 09/15/2004 | CN1528537A Method for working metal pipe cap |
| 09/14/2004 | US6791064 Arc welding wire of high feeding performance and wire drawing method |
| 09/14/2004 | US6790387 Process of producing diffraction gratings on the surface of articles |
| 09/14/2004 | US6790377 Method for electrochemical fabrication |
| 09/14/2004 | US6789318 Method for producing longitudinally welded helically corrugated metal tubing |
| 09/14/2004 | US6789317 Finned tube with vortex generators for a heat exchanger |
| 09/10/2004 | WO2004026017B1 Residual stresses in expandable tubular casing |
| 09/09/2004 | DE19530056B4 Verfahren und Vorrichtung zum Herstellen T-förmiger bzw. mindestens eine domartige Abzweigung aufweisender Hohlkörper Method and apparatus for producing T-shaped or dome-shaped branch having at least one hollow article |
| 09/09/2004 | DE10323693B3 Sheet element from flexible rolled strip for vehicle components is formed into variable wall thickness over its length, producing tubes or strip of non-round cross section |
| 09/08/2004 | CN1165392C Tube shaping equipment using tube bending roll, its shaping method and tube |
| 09/07/2004 | US6786072 Method of fabricating a heat exchanger tube |
| 09/07/2004 | CA2208945C Process for producing flat heat exchange tubes |
| 09/02/2004 | US20040170401 Method for manufacturing a hollow rack shaft |
| 09/02/2004 | DE10351139B3 Production of a twin-chambered hollow profile comprises bending a tubular hollow profile blank with a single hollow chamber to form two partial branches running almost parallel to each other |
| 09/02/2004 | DE10316910B3 Production of metallic pipes comprises rolling the start of the pipe loop and/or the end of the pipe loop together using an inner tool |
| 09/01/2004 | CN1164223C Method for manufacturing tubular body of load-bearing frame for chair |
| 08/31/2004 | US6782921 High-strength steel pipe excellent in formability and burst resistance |
| 08/31/2004 | US6782598 Method of manufacturing hollow rack shaft |
| 08/26/2004 | US20040164125 Process of making a shaped product |
| 08/26/2004 | US20040163436 Method of metal and alloy billet treatment |
| 08/26/2004 | DE10316516A1 Hohlprofil o. dgl. Werkstück sowie Verfahren zu seiner Herstellung Hollow section o. The like. Workpiece and method for its manufacture |
| 08/26/2004 | DE10313258A1 Metal alloy hollow section as a work piece for lengthwise struts on motor vehicles has a profiled cavity limited by walls arranged in end sections to form corner areas |
| 08/25/2004 | EP1448323A1 Device for production of a tube |
| 08/25/2004 | CN2635239Y Metal composite rod material |
| 08/25/2004 | CN1163317C Technology for making laminated composite metal pipe with metallurgical interface binding |
| 08/24/2004 | US6779589 Dipping into solution of hydrolyzable organic metal compound; heat-treating to coat surface with metal oxide; high pressure infiltration of molten metal into fiber bundles |
| 08/24/2004 | US6779375 Method and apparatus for producing tubes and hollow shafts |
| 08/24/2004 | US6779271 Method for manufacturing a hollow rack shaft |
| 08/24/2004 | CA2335517C Method and device for producing straight bead welded pipes from flat sheet metal blanks |
| 08/19/2004 | WO2004070080A1 Flat rolled magnetic steel sheet or strip having its surface coated for bonding |
| 08/19/2004 | WO2004056501A3 Method for making structural elements by machining thick plates |
| 08/19/2004 | US20040158986 Elbow rotator |
| 08/18/2004 | EP1447283A2 Hollow profile and method of its production |
| 08/18/2004 | EP1447152A1 Device for forming in ogive like form, for spinning or fluopiercing of pieces of a round or ovoid section |
| 08/18/2004 | EP1447151A1 Device for covering or embedding a metal with another metal |
| 08/18/2004 | CN2633453Y Steel butt welding seamless three-way and four-way pipe forming mold |
| 08/18/2004 | CN1520946A Metal tube forming method |
| 08/18/2004 | CN1520945A Steel-plastic composite tube metallic framework forming method and apparatus thereof |
| 08/12/2004 | WO2004067801A1 Oil tempered steel wire excellent in coiling workability and method for production thereof |
| 08/12/2004 | WO2004067204A1 Knock-down drums |
| 08/12/2004 | US20040154366 Tool for a bending machine |
| 08/12/2004 | US20040154158 Apparatus and method for manufacturing an automotive beam |
| 08/12/2004 | DE10303853A1 Method of manufacturing high pressure fuel line e.g. for diesel engines, heating of outer tube is achieved during welding of outer tube part |
| 08/11/2004 | EP1445340A2 Method for producing monocrystalline metallic wire |
| 08/11/2004 | EP1268097B1 Method for making a tubular assembly having hydroformed interconnecting member |
| 08/11/2004 | CN1520508A Tube and its mfg. method, tube for heat exchanger and method for mfg. tube for heat exchanger, and heat exchanger and method for mfg. heat exchanger |
| 08/11/2004 | CN1520341A Tube corrugating appts. and method |
| 08/11/2004 | CN1519066A Method for manufacturing stainless steel tail gas pipe of car, and automatic cutter for cutting stainless steel pipe |
| 08/05/2004 | WO2004065032A1 Metal foil tube and method and apparatus for production thereof |
| 08/05/2004 | WO2004057053A3 Methods for producing coated metal wire |
| 08/05/2004 | US20040148992 Rolled tube fabrication method |
| 08/03/2004 | CA2190567C Process for making a composite rotor with metallic matrix |
| 07/29/2004 | US20040146735 Comprises enhanced crystalline domain, eleveated aspect ratio, small diameter, and increased length; alloys; electronics |
| 07/29/2004 | US20040144152 Multi-stage tube forging method for disproportionally enlarging an end section of an aluminum alloy tube of a bicycle frame part |
| 07/29/2004 | US20040143954 System and method including a coil line system and a contour cutting machine and/or a three axis transfer system incorporated into the coil line system for producing metal articles |
| 07/29/2004 | DE10055950B4 Rollformanlage, insbesondere zur Endlosformung von streifenförmigem Material Roll forming system, especially for continuous shaping of strip material |
| 07/29/2004 | DE10048312B4 Abstreckvorrichtung Abstreckvorrichtung |
| 07/28/2004 | EP1440741A1 Method of manufacturing hollow member |