| 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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| 08/16/2006 | CN1817539A Composite reactive multilayer foil |
| 08/16/2006 | CN1269604C Hollow member ,manufacturing method thereof, fluid distribution system using hollow member, and forming apparatus of hollow member |
| 08/15/2006 | US7089772 Adjustable horn for spiral pipe forming machine |
| 08/10/2006 | US20060174669 Apparatus for rectifying round pipe and tubing |
| 08/10/2006 | DE10152910B4 Schälgerät mit schwenkbarem Schälkopf Paring device with swivel peeler head |
| 08/10/2006 | DE10118032B4 Verfahren zum Abstrecken eines Rohres mittels eines Ziehringes A method of ironing a tube by means of a pull ring |
| 08/09/2006 | CN2803553Y Conical metallic welding tubes |
| 08/09/2006 | CN1816402A Method for producing from a metal sheet a hollow profile which is longitudinally slotted and provided with several longitudinal segments having different cross sections |
| 08/09/2006 | CN1816401A Method for producing metal fibers |
| 08/09/2006 | CN1268452C Method for making a rectangular steel tube with a closed angle |
| 08/08/2006 | US7086153 Method and apparatus for manufacturing heat exchanger tube |
| 08/03/2006 | WO2006079832A1 Wire for refining molten metal and associated method of manufacture |
| 08/03/2006 | WO2006055916A3 Heat exchanger tube and method of making |
| 08/03/2006 | WO2005081700A3 METHOD FOR PRODUCING (Nb, Ti)3Sn WIRE BY USE OF Ti SOURCE RODS |
| 08/03/2006 | DE10113396B4 Vorrichtung und Verfahren zum Herstellen polygonaler Hohlprofile sowie polygonales Hohlprofil Apparatus and method for producing a polygonal hollow profiles and hollow polygonal profile |
| 08/03/2006 | CA2595989A1 Wire for refining molten metal and associated method of manufacture |
| 08/01/2006 | US7082808 Making plate workpiece with regions of different thickness |
| 08/01/2006 | US7082795 Metal tube and its production method |
| 08/01/2006 | CA2165563C Method of forming seamed metal tube |
| 07/27/2006 | WO2006078768A1 Hot reduced coil tubing and a method for forming same |
| 07/27/2006 | WO2005072234A3 Coolant delivery system and continuous fabrication apparatus which includes the system |
| 07/27/2006 | DE102005048407A1 Aus einem profilierten gerollten Metallprodukt hergestellte Röhre und Verfahren zur Herstellung derselben Made of a rolled profiled metal tube product and method of making same |
| 07/26/2006 | EP1683701A1 Support casing for housing a steering shaft |
| 07/26/2006 | CN1809431A Apparatus for rectifing round pipe and tubing |
| 07/25/2006 | US7081293 Metallic nanowire and method of making the same |
| 07/20/2006 | WO2006074570A1 Method and device for producing peripheral segments |
| 07/20/2006 | US20060156779 Process for the manufacture of defect-free gauged steel bars and installation for their manufacture |
| 07/20/2006 | US20060156775 Mobile pipe mill |
| 07/19/2006 | EP1680241A1 Method for the production of a double-chamber hollow profile |
| 07/19/2006 | CN1806062A Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 07/19/2006 | CN1264620C Method and equipment for producing bypass annular orifice on pipe |
| 07/19/2006 | CN1264618C Method for making metal pipe and planetary skew rolling mill |
| 07/13/2006 | US20060154102 Soft thin laminated substrate |
| 07/13/2006 | US20060151074 Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 07/13/2006 | US20060150388 Metal foil tube and method and apparatus for production thereof |
| 07/13/2006 | US20060150384 Method of manufacturing continuous sucker rod |
| 07/13/2006 | DE102004061793A1 Production of reinforced closed hollow profile involving feeding of material strips into a shaping unit, useful in production of automobile parts, with preliminary formation of open hollow profile |
| 07/12/2006 | CN2794663Y Pipe drawing device for composite pipe |
| 07/12/2006 | CN1802874A Ultrasonic energy system and method including a ceramic horn |
| 07/12/2006 | CN1799721A Adjustable mold employing reverse extrusion and draw forming for raw copper tube of mould, reverse extrusion and draw forming method thereof |
| 07/11/2006 | US7073559 Method for producing metal fibers |
| 07/11/2006 | US7073259 Apparatus and method for manufacturing an automotive beam |
| 07/11/2006 | CA2220801C Rolled plated joining apparatus and continuous hot rolling apparatus equipped with the same |
| 07/06/2006 | US20060147743 Metallic sandwich sheet |
| 07/06/2006 | US20060147742 Composite copper foil, method of production thereof and high frequency transmission circuit using said composite copper foil |
| 07/06/2006 | US20060143906 Metal wire with filaments for biomedical applications |
| 07/06/2006 | DE102004062518A1 Nocken für gebaute Nockenwellen Cams for camshafts |
| 07/06/2006 | DE102004041024B4 Verfahren und Vorrichtung zum Herstellen eines längsnahtgeschweißten Hohlprofils Method and apparatus for producing a longitudinally welded hollow profile |
| 07/04/2006 | US7069764 Method for manufacturing a hollow rack shaft |
| 07/04/2006 | US7069657 Method to reduce the width of a slot in a pipe or tube |
| 07/04/2006 | CA2403302C Method of producing steel pipes, and welded pipes |
| 06/29/2006 | WO2006068258A1 Ferritic stainless steel welded pipe excellent in pipe expanding workability |
| 06/29/2006 | WO2006066814A1 Multi-layer pipe and method for its production |
| 06/29/2006 | US20060141280 Highly corrosion-resistant/highly workable plated steel wire, plating bath composition, method for producing the plated steel wire and wire netting product |
| 06/29/2006 | CA2592003A1 Multi-layer pipe and method for its production |
| 06/28/2006 | CN1795065A Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 06/28/2006 | CN1795062A Tubular metal body, method of producing same, liner for pressure vessel and method of producing same |
| 06/28/2006 | CN1792492A Thermoplastic forming tech. for large-size spherical tank |
| 06/28/2006 | CN1261248C Method of manufacturing hollow member |
| 06/27/2006 | US7067022 Method for protecting a surface |
| 06/27/2006 | CA2398438C Method of joining steel tubes with aluminum ribs |
| 06/27/2006 | CA2299372C Method for producing welded cu and cu alloy pipes |
| 06/22/2006 | WO2006064803A1 Method for forming corrosion-resistant coating in process for producing steel pipe |
| 06/21/2006 | CN1788873A Method and apparatus for producing heterotype tubing using steel plate |
| 06/15/2006 | WO2006061203A1 Friction-welded connection between a sheet metal element and a rotation body |
| 06/15/2006 | US20060123862 Metal wire coated with a layer of metal material intended to reinforce elastomeric materials and methods for producing the same |
| 06/14/2006 | CN1785546A Tool for manufacturing fluid bearing |
| 06/14/2006 | CN1259158C Spiral welding pipe welding method |
| 06/13/2006 | US7059033 Method of forming thickened tubular members |
| 06/08/2006 | US20060121330 Method for forming a separator plate for a fuel cell, and separator plate |
| 06/08/2006 | US20060118192 Method of manufacturing an insulated pipeline |
| 06/08/2006 | DE10333678B4 Verfahren zum Herstellen eines abschnittweise verstärkten rohrförmigen Trägers aus Metall, insbesondere für Tragstrukturen in Kraftfahrzeugen A method for producing a partially reinforced tubular support made of metal, in particular for load-bearing structures in motor vehicles |
| 06/08/2006 | DE102004049766B3 Verfahren und Vorrichtung zum Herstellen eines flexiblen, im Inneren glatten Wellrohres, sowie ein nach dem Verfahren hergestelltes Wellrohr Method and apparatus for producing a flexible, internally smooth corrugated pipe and a corrugated pipe manufactured by the method |
| 06/07/2006 | EP1663543A1 Hollow bar manufacturing process |
| 06/07/2006 | EP1663536A1 Metal fiber comprising more than one metal or metal alloy |
| 06/07/2006 | EP1552027A4 Hard metallic materials,hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 06/07/2006 | CN1258668C Heating exchanger pipe with two-sided structure and its manufacturing method |
| 06/07/2006 | CN1258409C Tube body and method for forming tube body |
| 06/06/2006 | US7057131 Stationary welding device and method for longitudinal welding of profiles |
| 06/06/2006 | US7056076 Method of and apparatus for transferring rolls, and roll supply carriage |
| 06/01/2006 | WO2006057074A1 Roll for molding square tube and method and device for rollingly molding square tube |
| 06/01/2006 | DE102004046687B3 Verfahren und Vorrichtung zur Herstellung eines längsnahtgeschweißten Hohlprofils Method and apparatus for producing a longitudinally welded hollow profile |
| 05/31/2006 | EP1662014A1 Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for production thereof |
| 05/26/2006 | WO2006053752A1 Method for the production of an annular rotationally symmetrical gear part |
| 05/26/2006 | WO2006053659A1 Welding stand, tube transport carriage and method for welding a spiral tube |
| 05/26/2006 | WO2006053590A1 Reduction of tubes by means of a graduated mandrel for producing tubular shafts with an undercut in an operation |
| 05/25/2006 | US20060108017 Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 05/24/2006 | EP1348532A9 Method of forming an air intake lip sector, device for applying this method and sector thus obtained |
| 05/24/2006 | EP1328358B1 Method of reducing slot width in slotted tubular liners |
| 05/24/2006 | CN1776352A Method for determining the wall thickness of a metal tube |
| 05/24/2006 | CN1775398A Method for manufacturing steel-made internal mould of hollow beam for bridge |
| 05/23/2006 | US7048043 Reversible grooved tubes for heat exchangers |
| 05/23/2006 | US7047703 A cylinder having a plurality of contiguous sidewalls, terminal ends with a coiled spiral, providing high strength at its ends; building construction |
| 05/18/2006 | WO2006050892A1 System for producing multilayer composite tubes |
| 05/18/2006 | US20060101644 Method and apparatus for assembling a 2-piece skin door |
| 05/17/2006 | EP1425436B1 Oil removing device for cleaning pipes that are present in the form of coils |
| 05/17/2006 | EP0968083A4 Constrained filament electrolytic anode and process of fabrication |
| 05/16/2006 | US7044169 Pipe body and forming method of the same |
| 05/11/2006 | WO2006049348A1 Method of machining metal plate material |
| 05/11/2006 | DE10256591B4 Verfahren und Vorrichtung zum Oberflächenkonturieren von Rohren als Rohlinge von Zylinderlaufbuchsen Method and apparatus for Oberflächenkonturieren of tubes as blanks of cylinder liners |