| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 01/20/2010 | CN201385091Y Electric wire casing pipe expanding machine |
| 01/13/2010 | CN201380246Y Hot spinning necking-in machine |
| 01/06/2010 | CN201376059Y Cover sealing machine |
| 01/06/2010 | CN201376058Y Full-automatic hydraulic spiral roll-type pipe-expanding machine |
| 12/30/2009 | CN201371204Y Fully-automatic double-end and single-end pipe end processing machine |
| 12/23/2009 | CN101607279A Multi-location cold-extrusion molding method of tube blank of hit anchor |
| 12/23/2009 | CN100571923C Pipe end moulding method |
| 12/17/2009 | US20090308129 Shutter-type crimper |
| 12/17/2009 | DE202009010896U1 Mehrstufiges Rohraufweitungswerkzeug für Regenfallrohrenden Multi-stage pipe flaring tool for downpipe ends |
| 12/15/2009 | CA2416491C Method and forming machine for deforming a hollow workpiece |
| 12/09/2009 | EP2130664A1 Shaping tool for bell-shaping the ends of plastic tubular elements |
| 12/09/2009 | CN201359140Y Metal thin walled tube |
| 12/09/2009 | CN101596567A Rolling and squeezing flaring machine for metal tube |
| 12/08/2009 | US7628051 Stent crimping system |
| 12/03/2009 | US20090293575 Closing Method and Closing Machine |
| 12/03/2009 | DE102008037549B3 Thin-walled tubular workpiece e.g. reservoir tube, producing method for shock absorber of vehicle, involves removing punching tool from workpiece that is transformed, and pulling out support mandrel from transformed workpiece |
| 12/02/2009 | CN101590506A Turntable type automatic tube expander |
| 12/01/2009 | US7624613 Terminal crimping machine |
| 11/26/2009 | US20090288468 Crimper |
| 11/24/2009 | US7621048 Method and apparatus for producing a wheel cover and vehicle wheel including such a wheel cover |
| 11/19/2009 | US20090282890 Method and Apparatus For Manufacturing A Catalytic Converter |
| 11/18/2009 | CN201346602Y Special electrical reaming tool for thin-wall metal tube |
| 11/18/2009 | CN201346601Y Tube expander for heat exchanger |
| 11/18/2009 | CN100560243C Method and device for forming those portions of work that have different diameters |
| 11/11/2009 | EP2035210B1 Device for preparing pipe ends for jointing |
| 11/11/2009 | CN201342455Y Necking device for wind pipe |
| 11/03/2009 | CA2415804C Forming machine and method for deforming a hollow workpiece |
| 10/29/2009 | WO2009130034A1 Method and apparatus for radially expanding a container body, such radially expanded container body and a container comprising such container body |
| 10/29/2009 | US20090266560 Monobore construction with dual expanders |
| 10/29/2009 | CA2721632A1 Method and apparatus for radially expanding a container body, such radially expanded container body and a container comprising such container body |
| 10/28/2009 | CN101564749A Gas-liquid vibration absorber charging-sealing device |
| 10/28/2009 | CN101564738A Machining process of directly pulling steel round rope into flat rope |
| 10/21/2009 | CN101559447A Thin wall pipe connector and processing method thereof |
| 10/15/2009 | WO2009125512A1 Pipe clamp device |
| 10/15/2009 | DE112007002908T5 Metallpulverschmiedeteil und Herstellungsverfahren und Herstellungsvorrichtung Metal powder forging and manufacturing processes and production apparatus |
| 10/14/2009 | CN201324799Y Pipe expanding device of copper pipe |
| 10/07/2009 | CN201320582Y Gearing for steel tube tension reducing mill with twenty-four frames |
| 10/07/2009 | CN100547145C Drum for washer and dryer |
| 10/01/2009 | DE102004057429B4 Verfahren zum Herstellen von geteilten Rohrstabilisatoren mit Schwenkmotor und geteilter Rohrstabilisator mit Schwenkmotor A method for producing split tubular stabilizer with swing motor and split tubular stabilizer with swing motor |
| 09/30/2009 | CN201316768Y Double-end pipe-shrinkage machine |
| 09/29/2009 | US7594420 Wheel repair machine and method of use |
| 09/23/2009 | CN101537460A Thin-walled multiply bellows straight-side port closing device |
| 09/16/2009 | CN101532793A Sealing equipment of boiling and exhaust of semi-automatic heat pipe |
| 09/15/2009 | US7587923 Method of making a tubular |
| 09/15/2009 | US7587801 Stent crimper |
| 09/09/2009 | CN201304454Y Solar energy water heater outer drum body necking machine |
| 09/09/2009 | CN101524736A Machining method of bearing axle shell of automobile |
| 09/03/2009 | US20090217729 Two-Piece Can, Method for Manufacturing Same, and Steel Sheet Therefor |
| 08/26/2009 | EP2092993A2 Method for forming an end portion of a cylindrical workpiece |
| 08/26/2009 | CN101513660A Method for forming end portion of cylindrical workpiece |
| 08/20/2009 | US20090205843 Expandable packer |
| 08/20/2009 | US20090205393 Method For Providing an Armature Housing |
| 08/20/2009 | US20090205386 Method for forming an end portion of a cylindrical workpiece |
| 08/20/2009 | DE202008016338U1 Multidimensions-Rohraufweitvorrichtung Multi-dimensional Rohraufweitvorrichtung |
| 08/19/2009 | EP2090385A2 Device for expanding conduits |
| 08/19/2009 | EP2090384A2 Device for expanding conduits |
| 08/19/2009 | CN201291271Y Narrowing-mouth sizing device of liquid storage cylinder |
| 08/19/2009 | CN201291265Y Flaring die of automobile hub flaring step |
| 08/12/2009 | EP2087950A1 Drawing method of work piece in non-circular cylindrical shape and apparatus for it |
| 08/12/2009 | CN101502862A Method for processing straight-shaped vertical tube of motorcycle |
| 08/06/2009 | US20090193871 Radial expansion system |
| 07/30/2009 | DE102008061441A1 Rohraufweitvorrichtung Rohraufweitvorrichtung |
| 07/29/2009 | CN101491820A Necking rib-pressing machine |
| 07/22/2009 | CN201275579Y Double-ended necking and concentricity processing equipment |
| 07/16/2009 | CA2711155A1 Fluid conduits with integral end fittings and associated methods of manufacture and use |
| 07/15/2009 | EP2078848A2 Spherical tube end form for a fluid connection system |
| 07/15/2009 | CN101480683A Method for processing spherical closing-in of thin-wall alloy steel delivery tube and special-purpose hob cutter |
| 07/15/2009 | CN100512997C Metal pipe flatening mill |
| 07/09/2009 | WO2009085150A1 Self-crimping fill tube assembly |
| 07/08/2009 | CN100509202C A method for shaping socle girder type steeliness wheel felloe |
| 07/02/2009 | WO2009080001A1 Method and device for producing a thread, and component and apparatus |
| 07/01/2009 | CN100506420C Machine for wrapping metal pipes |
| 06/25/2009 | WO2009078158A1 Pipe shaping method |
| 06/24/2009 | CN201261048Y Rolling closing-in knife |
| 06/24/2009 | CN101462143A Method for sealing end of copper collector |
| 06/23/2009 | US7549312 Concentric machining device for a roller |
| 06/17/2009 | CN201257477Y Automatic feeding pneumatic flaring machine |
| 06/16/2009 | CA2563883C Improved rotary expansion tool, expansion member and methods of assembly |
| 06/10/2009 | CN201253664Y Hole-expansion punch |
| 06/04/2009 | WO2009068290A1 Method for producing a pipe and pipe |
| 06/03/2009 | CN101448588A Expansion-molding method and expansion-molding device for steel pipe |
| 06/03/2009 | CN101444812A Processing method of thin-wall copper tube end cold forming seal |
| 06/03/2009 | CN100493809C Hollow product, Method and device for making same, fluid transporting system using the same |
| 06/03/2009 | CN100493762C Die, method of manufacturing stepped metal tube, and stepped metal tube |
| 05/26/2009 | CA2356184C Tubing anchor |
| 05/20/2009 | CN100488659C Forming device of multiple-site pipe end forming machine |
| 05/20/2009 | CN100488655C Forming device of forming machine for special pipe end |
| 05/13/2009 | EP1838472B1 Method of shaping an open end of a metal tubular body |
| 05/13/2009 | CN101428316A Butterfly shaped flow forming molding machine finishing method |
| 05/12/2009 | US7530253 Prosthetic valve crimping device |
| 05/12/2009 | US7530252 Method and apparatus for working tube |
| 05/07/2009 | WO2009056706A2 Metal pole and production method therefor |
| 05/07/2009 | US20090113979 Expansion tool for cold expansion of holes |
| 05/07/2009 | DE202008017196U1 Vorrichtung zur Rohrumformung Device for tube forming |
| 04/30/2009 | US20090107203 Press-Molding Method and Press-Molding Device |
| 04/29/2009 | EP1412107B1 Expansion tool device for socket pliers |
| 04/23/2009 | WO2009050270A1 Process and apparatus for producing a hollow body, and hollow body |
| 04/22/2009 | CN201223920Y Chain-plate continuous automatic molding machine |
| 04/22/2009 | CN201223904Y Three-wheel machine for reducing the diameter of tube end |
| 04/22/2009 | CN101412063A Method for expanding high intensity steel tube |