| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 10/04/2006 | EP1654149A4 Vehicle frame having energy management system and method for making same |
| 10/04/2006 | CN2822822Y Flat vibratory motor sealing machine |
| 10/03/2006 | US7114559 Method of repair of collapsed or damaged tubulars downhole |
| 10/03/2006 | US7114358 Tube expanding apparatus |
| 10/03/2006 | CA2285783C Improved portable crimper |
| 09/28/2006 | US20060213244 Slip joint assembly with coated splines and method |
| 09/27/2006 | EP1704944A1 Airbag tube with cold-formed charging head and procedure for obtaining the same |
| 09/20/2006 | EP1702695A2 Method for making a transition part in a hollow profile |
| 09/20/2006 | EP1509346B1 Linear drive metal forming machine |
| 09/19/2006 | US7107812 Hydraulic rescue tool |
| 09/14/2006 | US20060201228 Expansion device for hollow bodies |
| 09/14/2006 | DE10258492B4 Verfahren zur Herstellung eines rohrförmigen Werkstücks sowie ein zur Durchführung des Verfahrens besonders geeignetes Werkzeug A method for producing a tubular workpiece as well as a particularly suitable for performing the process tool |
| 09/14/2006 | DE102005010494A1 Expansionsvorrichtung für Hohlkörper Expansion device for hollow body |
| 09/13/2006 | EP1700648A1 Expansion device for hollow bodies |
| 09/07/2006 | DE102004012993B4 Verfahren zur Herstellung gabelförmiger Bauteile Process for the preparation of bifurcated components |
| 09/06/2006 | CN2813151Y Safety air bag electric ignition pipe closing in apparatus |
| 08/30/2006 | CN2810807Y Sleeve guiding device for seamless steel tube tension-reducing mill or sizing mill |
| 08/30/2006 | CN2810805Y Mechanical transmission device for seamless steel tube tension-reducing mill or sizing mill |
| 08/30/2006 | CN1824423A Partly buried heating metal pipe material high-medium temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824421A Partly buried heating metal pipe material medium-high temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824418A Internal heating metal pipe material high temperature ultrahigh water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824417A Internal beating metal pipe material (ultra) high temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824413A External heating metal pipe material high-medium temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824411A Internal heating metal pipe material high-medium temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824410A Internal heating metal pipe material medium-high temperature ultra high water pressure once shaping technology, method and equipment |
| 08/30/2006 | CN1824405A Extrnal heating metal pipe high temperature ultra high water pressure once shaping technology method and equipment |
| 08/29/2006 | US7096554 Protective loading of stents |
| 08/23/2006 | CN2808437Y Novel floatation structure |
| 08/23/2006 | CN1820870A Heat pipe sealing method for shrink-free pipe and its structure |
| 08/16/2006 | EP1690612A1 Method for enlarging the ends of a hollow tubular profile, for example the ends of a stabilizer bar for a rear axle assembly of a motor vehicle |
| 08/16/2006 | EP1689539A1 Method for producing a coupling on a pipe and device for producing said coupling |
| 08/16/2006 | CN1270119C Spigot and socket joint steel pipe and its manufacture |
| 08/16/2006 | CN1269604C Hollow member ,manufacturing method thereof, fluid distribution system using hollow member, and forming apparatus of hollow member |
| 08/16/2006 | CN1269591C Composite fabrication facility of steel tube and fabrication method of steel tube |
| 08/09/2006 | CN2803560Y Reducing appts. of reducing pipe |
| 08/09/2006 | CN1268453C Flaring method for solid wall pipeline |
| 07/27/2006 | US20060162417 Method and apparatus for manufacturing a battery terminal with undercut rings |
| 07/20/2006 | WO2006075132A1 Method of shaping metal closures or can bodies |
| 07/19/2006 | EP1681110A1 Method of shaping metal closures or can bodies |
| 07/19/2006 | CN1803330A Heat pipe seal method |
| 07/19/2006 | CN1803329A Water jug necking down process |
| 07/13/2006 | DE60114623T2 Verfahren und formvorrichtung zum verformen eines hohlen werkstücks The method and forming device for deforming a hollow workpiece |
| 07/12/2006 | CN2794680Y Hydraulic three step push pipe making machine |
| 07/12/2006 | CN2794679Y Ratchet type eccentric ditator |
| 07/11/2006 | US7073365 Linear drive metal forming machine |
| 07/06/2006 | WO2006070584A1 Method and device for forming those portions of work that have different diameters |
| 07/06/2006 | US20060144116 Pipe flaring tool |
| 07/04/2006 | US7069765 Release mechanism for end forming machine |
| 06/28/2006 | CN1261254C Method for manufacturing pipeline system with connecting part |
| 06/27/2006 | US7065995 Expansion tool for expanding tube ends and pressing device comprising such an expansion tool |
| 06/20/2006 | US7062948 Process of end-forming a tube having internal surface features |
| 06/08/2006 | WO2006060118A1 Transition forming machine |
| 06/08/2006 | US20060117827 Tube expander |
| 06/08/2006 | DE102004057429A1 Verfahren zum Herstellen von geteilten Rohrstabilisatoren mit Schwenkmotor A method for producing split tubular stabilizer with swing motor |
| 06/01/2006 | DE10135515B4 Umformwerkzeug Forming tool |
| 05/24/2006 | CN1775408A Special closing-in machine for high-pressure seamless gas cylinder |
| 05/18/2006 | US20060101889 Quick change over apparatus for machine line |
| 05/17/2006 | CN1772432A Machining process of liquid pipe for gas-liquid separator |
| 05/10/2006 | EP1654149A1 Vehicle frame having energy management system and method for making same |
| 05/10/2006 | EP1654079A1 Method for producing hollow bodies, hollow body, and use of the same |
| 05/10/2006 | EP1654078A1 Method for producing one-piece hollow bodies, hollow body, and use of the same |
| 05/10/2006 | CN2778542Y Tube downsizing machine |
| 04/27/2006 | DE10101717B4 Verfahren und Anordnung zur Herstellung von Rohrstücken mit einem verengten Abschnitt Method and apparatus for the production of fittings with a narrowed section |
| 04/26/2006 | EP1230507B1 Apparatus for swaging an object |
| 04/26/2006 | CN1253267C Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered |
| 04/19/2006 | CN1759951A Machine of turning rim for shaped cap seal head |
| 04/12/2006 | CN1757455A Method for sealing tail of heat conducting tube, and finished products thereof |
| 04/11/2006 | US7024909 Non-impact swaging apparatus |
| 04/05/2006 | CN1754634A Heat pipe sealing method |
| 04/04/2006 | US7022932 Outer shell unit and method of manufacturing the unit |
| 04/04/2006 | US7021114 Stent crimper |
| 03/29/2006 | EP1640083A1 Method for connecting thin tube to heat transfer tube |
| 03/22/2006 | CN1748885A Push bench and method of manufacturing small diameter tubing |
| 03/21/2006 | US7013697 Method for expanding a tubular blank |
| 03/21/2006 | US7013690 Method and forming machine for deforming a hollow workpiece |
| 03/15/2006 | CN1745930A Diameter-variable nozzle stub throat process |
| 03/15/2006 | CN1745924A Correcting and expanding external-pipe combination of welding drum |
| 03/09/2006 | WO2006025369A1 Die, method of manufacturing stepped metal tube, and stepped metal tube |
| 03/09/2006 | DE60110229T2 Druckmaschine und verfahren zur herstellung eines hohlkörpers Printing machine and method for manufacturing a hollow body |
| 03/02/2006 | US20060042343 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece |
| 03/01/2006 | EP1629147A1 Drum for washer and dryer |
| 02/22/2006 | CN1736629A Beading and sealing device in heat pipe production ,and its processing method |
| 02/15/2006 | CN1734150A Integrally formed flanged metal pipe and method of manufacturing thereof |
| 02/07/2006 | US6994009 Powered pipe cutter |
| 02/07/2006 | US6993952 Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered |
| 02/07/2006 | US6993948 Methods for altering residual stresses using mechanically induced liquid cavitation |
| 02/02/2006 | DE102005028188A1 Verbindungsstruktur eines divergierenden Abzweigrohres in einer Kraftstoffdruckleitung für eine Brennkraftmaschine, divergierendes Abzweigrohr und Verfahren zur Herstellung des divergierenden Abzweigrohres Joint structure of a diverging branch pipe in a fuel pressure line for an internal combustion engine, diverging branch pipe and process for the preparation of the diverging branch pipe |
| 02/01/2006 | CN1239279C Method for rotation press closing large diameter thin wall pipe |
| 01/31/2006 | US6990841 Method and apparatus for lean spin forming transition portions having various shapes |
| 01/25/2006 | EP1618973A1 Pipe rolling head and machine for shaping pipes comprising said head |
| 01/25/2006 | EP1618972A1 Pipe rolling head, machine for shaping pipes comprising said head and control method for said machine |
| 01/18/2006 | CN1723093A Method for expanding a tubular blank |
| 01/18/2006 | CN1721100A Apparatus and method for production of tapered steel pipe |
| 01/12/2006 | US20060005585 Drum for washer and dryer |
| 12/29/2005 | US20050284447 Joint structure of diverging branch pipe in fuel rail for internal combustion engine, diverging branch pipe and manufacture method of its diverging branch pipe |
| 12/29/2005 | DE10042896B4 Verfahren zum Herstellen eines Ringelements A method of manufacturing a ring member |
| 12/28/2005 | EP1409177B1 Making closed end tubes for surgical instruments |
| 12/20/2005 | US6976539 Tubing anchor |
| 12/15/2005 | DE20221444U1 Production of beginning of a lance of gas conducting system for receiving a gas cartridge used in vehicles comprises arranging one tube section in or over the tube of the lance in the region of the beginning of the lance before enlargement |
| 12/15/2005 | DE102004024575A1 Tube expansion tool has two-part expansion lance making contact with the tube via a deformation element |