| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 02/27/2013 | CN101934320B Manufacturing process to produce a necked container |
| 02/26/2013 | US8381645 Radial press |
| 02/20/2013 | EP2558230A1 Expansion head for expansion tools and expansion tool comprising said expansion head |
| 02/20/2013 | CN202741606U Pipe end forming machine |
| 02/20/2013 | CN202741537U Mechanical pipe end forming machine for pipe end processing |
| 02/14/2013 | DE202012011776U1 Vorrichtung zur Herstellung von zylindrischen Aufweitungen an Rohrenden The apparatus for manufacturing cylindrical widenings of the tube ends |
| 02/13/2013 | CN202725851U Support frame of main foaming pipe of carburetor |
| 02/13/2013 | CN202725832U Necking cavity plate |
| 02/13/2013 | CN202725775U Flaring and scavenging punch for connecting pipe |
| 02/13/2013 | CN102921823A Oil storing barrel sealing machine of motorcycle rear shock absorber |
| 02/13/2013 | CN102921822A Valve necking down device |
| 02/13/2013 | CN102211127B T-shaped tee joint full-automatic orifice expanding machine and tee joint orifice expanding method thereof |
| 02/13/2013 | CN102091744B Double-end outer barrel necking-in machine |
| 02/07/2013 | DE102005029680B4 Vorrichtung und Verfahren zum Fügen nicht-rotationssymmetrischer Hohlprofile durch Einwalzen Apparatus and method for joining non-rotationally symmetrical hollow profiles by rolling |
| 02/06/2013 | CN202715735U Locating tooling of flaring machine |
| 02/06/2013 | CN202715734U Liquefied gas bottle valve necking-in machine |
| 02/06/2013 | CN202715688U Spin closing-in device with double spinning wheels |
| 02/06/2013 | CN202715687U Spinning-necking machine for high-pressure seamless large-diameter steel cylinder |
| 02/06/2013 | CN202715684U Pipe expanding and rivet head combination tool |
| 02/06/2013 | CN102913688A Delivery pipe, manufacturing method thereof and concrete pumping device |
| 02/06/2013 | CN102913687A Delivery pipe, manufacturing method thereof and concrete pumping device |
| 02/06/2013 | CN102909282A Pipe end closing forming device of automatic refrigerator reservoir processing equipment |
| 02/06/2013 | CN101883646B Self-crimping fill tube assembly |
| 02/06/2013 | CN101524736B Machining method of bearing axle shell of automobile |
| 02/05/2013 | US8365437 Drum for washer and dryer |
| 01/30/2013 | CN202702632U Aluminum pipe opening sealing device |
| 01/30/2013 | CN202701190U Cooling pipe necking machine for heat exchanger |
| 01/30/2013 | CN202701189U Necking-down die |
| 01/30/2013 | CN202701188U Pneumatic sealing machine of lead pipe |
| 01/30/2013 | CN202701187U Bed of pneumatic rapid cold punching machine |
| 01/30/2013 | CN102896242A Spinning head and spinning sealing machine |
| 01/30/2013 | CN102896241A Flaring mechanism for pipe expander |
| 01/24/2013 | WO2013010784A1 Pipeline comprising a joining end for a pipe connection, method for the production thereof, and pipe connection comprising such a pipeline |
| 01/24/2013 | US20130020834 Method of manufacturing a tubular structural part, and tubular structural part |
| 01/24/2013 | DE102011051974A1 Rohrleitung mit einem Anschlussende für eine Rohrverbindung, Verfahren zu ihrer Herstellung und Rohrverbindung mit einer solchen Rohrleitung Pipeline with a connection end for a pipe joint, to processes for their preparation and pipe connection with such a pipeline |
| 01/23/2013 | CN202683818U Reducing device |
| 01/23/2013 | CN202683817U Automatic pipe-reducing machine for producing artistic suction tubes |
| 01/23/2013 | CN202683816U On-line closing device for pipe end |
| 01/23/2013 | CN202683815U Pipe opening closing device |
| 01/23/2013 | CN202683814U Clamp die for flaring pipe fitting |
| 01/23/2013 | CN202683813U Punching mechanism of pneumatic quick cold-punching machine |
| 01/23/2013 | CN202683812U Stamping die device of pneumatic quick cold stamping machine |
| 01/23/2013 | CN202683811U Clamp die device of pneumatic quick cold-punching machine |
| 01/23/2013 | CN202683810U Pneumatic rapid cold punching machine |
| 01/23/2013 | CN102266894B Heading machine for metal tube neck |
| 01/23/2013 | CN102049448B Cutting pipe end machine |
| 01/23/2013 | CN101947606B Insert mould pressing type necking machine |
| 01/22/2013 | US8356507 Method and device for manufacturing pipe connectors |
| 01/22/2013 | US8356506 Method of forming industrial housings |
| 01/17/2013 | WO2013007074A1 Processing method for flaring copper pipes in scanning manner |
| 01/16/2013 | CN202667471U Auxiliary mould group for cold expanding machine for end of metallic pipeline |
| 01/16/2013 | CN202667470U Broaching mould |
| 01/16/2013 | CN102873226A High-necking end cap and machining die thereof |
| 01/15/2013 | US8353193 Mandrel assembly and method of using the same |
| 01/15/2013 | US8353106 Wheel/rim fixing device and method of using the same |
| 01/09/2013 | CN202655498U Hot shell nosing device for rear section of rocket nozzle |
| 01/09/2013 | CN202655497U Automatic production line for transmission shaft of automotive seat |
| 01/09/2013 | CN202655496U Shrink machine |
| 01/09/2013 | CN202655495U Tube expander |
| 01/08/2013 | US8347477 Pipe producing apparatus and existing pipe rehabilitating method employing the same |
| 01/02/2013 | EP2540414A1 Method for manufacturing hollow engine valve |
| 01/02/2013 | CN202639138U Automatic close-in creasing machine for gas spring |
| 01/02/2013 | CN202639113U Novel upper roll cold extruding device |
| 01/02/2013 | CN202639112U Pipe end sealing device |
| 01/02/2013 | CN202639111U Braking hot-rotating hydraulic closing-up machine for steel pipe |
| 01/02/2013 | CN202639110U Flaring machine for repair of radiator |
| 01/02/2013 | CN202639109U Compression moulding device for pump body outlet pipe of lithium bromide shield pump |
| 01/02/2013 | CN102847832A Support for main foaming tubes of carburetor |
| 01/02/2013 | CN102847831A Binding jig |
| 01/02/2013 | CN102847830A Flaring method of long U-shaped condenser pipe with oval section or approximately oval section |
| 01/02/2013 | CN102847829A Working method of multi-station servo transposition cold punching machine |
| 01/02/2013 | CN102179451B Automatic expanding machine of pipe orifice |
| 01/02/2013 | CN102179423B Automatic bore tapering shaping machine |
| 01/02/2013 | CN102059297B Hole extruding and expanding device for extruding and expanding inner holes at end of rear axle tube of vehicle |
| 12/26/2012 | CN202621748U Copper pipe spinning heading machine |
| 12/26/2012 | CN202621747U Full-automatic heat pipe degassing and sealing device |
| 12/26/2012 | CN202621746U Gas cylinder necking device |
| 12/26/2012 | CN202621745U Pipe end forming machine |
| 12/26/2012 | CN202621736U Flaring cam guiding die |
| 12/26/2012 | CN202621704U Steel mold bulging device |
| 12/26/2012 | CN102133603B Method and special device for entire expanded joint of heat exchanger |
| 12/25/2012 | US8336177 Tool for the connection of tubes by means of connection sleeves |
| 12/19/2012 | EP2535124A1 Mechanical pipe expander |
| 12/19/2012 | CN202606714U Radiator flat pipe flaring machine |
| 12/19/2012 | CN102825161A Manufacturing method of cylinder device |
| 12/19/2012 | CN102825153A Pneumatic flaring machine |
| 12/19/2012 | CN102825152A Automatic flaring machine for stainless steel pipe joint |
| 12/19/2012 | CN102825140A Reducing die for swelling pressure modeled type automobile axle case |
| 12/18/2012 | US8333102 Extension for a pipe expander |
| 12/13/2012 | WO2012170618A1 Method of forming a metal container |
| 12/12/2012 | EP2531311A1 Torque-controlled pipe expander particularly for the pipe expansion in heat exchangers and boilers |
| 12/12/2012 | CN202591447U Pipe shrinking machine |
| 12/12/2012 | CN202591446U Device for processing non-coaxial barrel neck |
| 12/12/2012 | CN202591445U Pipe expansion and contraction machine |
| 12/12/2012 | CN102814415A Working method of pneumatic quick cold punching machine |
| 12/12/2012 | CN101754820B Device and method for the axial forming of elongated hollow bodies |
| 12/05/2012 | CN202571052U Multi-station shrinkage device |
| 12/05/2012 | CN202571051U Flaring mechanism of radiator core assembling machine |
| 12/05/2012 | CN202571050U Automatic pipe end molding machine |
| 12/04/2012 | DE202012104513U1 Rohraufweitgerät Rohraufweitgerät |