Patents for B21D 9 - Bending tubes using mandrels or the like (1,513)
11/2006
11/01/2006CN1856375A Method and device for bending and reshaping profiles by means of roller bending or matrix bending
10/2006
10/31/2006US7127928 Core bar for bending of a pipe and method of bending of a pipe
10/25/2006CN1850391A Red copper tube bending method
10/25/2006CN1850390A Method for making steel elbow with straight tube section
10/24/2006US7124618 Clamp assembly for hydroforming die
10/18/2006EP1387119B1 Manufacturing method for a flange coupling
10/18/2006CN1280037C Material feeding mechanism of automatic pipe bender
10/04/2006EP1706228A1 Hot flow forming and bending method, and device for carrying out said method
10/04/2006EP1654149A4 Vehicle frame having energy management system and method for making same
10/03/2006CA2182329C Cnc-controlled pipe bending machine
09/2006
09/27/2006EP1704001A1 Bent double-walled component, such as an exhaust pipe insulated by an air gap, and method for producing the same
09/14/2006US20060201218 Device for free three-dimensional profile forming
09/13/2006EP1700647A1 Bending apparatus for tubular and rod-like workpieces
09/13/2006CN2815543Y Small bend radius elbow manufacturing device
08/2006
08/29/2006US7096707 Tube bender and method of using same
08/29/2006US7096700 Method for performing a hydroforming operation
08/15/2006US7089774 Bending device and bending method
08/15/2006CA2405681C Bending device for thin-walled metal pipes
08/02/2006CN2801325Y Variable speed feed device of pipe bending machine
08/01/2006US7082798 Pipe bending machine
07/2006
07/18/2006US7076984 Bending machine and tube support and drive device thereof
07/12/2006CN1799722A Thin-wall tube curvature-variable push-bending process and die
07/05/2006CN2792638Y Composite electrohydraulic driver of bender
06/2006
06/29/2006WO2006067493A1 Controllable fluids in pipe bending
06/28/2006CN1795065A Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe
06/21/2006CN1788874A Pipe straighten and winding device
06/15/2006US20060128573 Lubricants suitable for hydroforming and other metal manipulating applications
06/14/2006CN2787323Y Bolt type tube bending machine
06/01/2006DE102004044755B3 Bending device to form Z-section bends in thin-walled tubes has each inner mandrel divided into two axially offset halves
05/2006
05/25/2006US20060108017 Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe
05/23/2006US7047789 Pipe bending apparatus
05/18/2006US20060101890 Method for twisting a hollow metal tube
05/10/2006EP1654077A1 Method and device for bending and reshaping profiles by means of roller bending or matrix bending
05/09/2006US7040010 Autofeed speed rivet tool
05/03/2006CN2776589Y Vertical core swallow single bending machine
04/2006
04/25/2006US7032422 Pipe bending processing apparatus and pipe bending processing method
04/19/2006CN1761542A Method and device for bending stock tube
04/13/2006WO2005108931A3 Production of a bent measuring tube for a vibration-type measuring sensor
04/11/2006US7024905 Portable electrical conduit pipe bending system
03/2006
03/28/2006US7017380 Bending assembly for bending machine
03/23/2006US20060059972 Device and method for forming piping components
03/23/2006DE19902271B4 Verfahren zum Herstellen eines Bogens von engem Radius in einem Rohr A method of manufacturing an arc of narrow radius in a pipe
03/22/2006CN1748891A Material feeding pushing aid device for tube bending machine
03/22/2006CN1748887A Bending apparatus
03/21/2006US7013694 Portable, metal bending apparatus
03/16/2006US20060053854 Bending apparatus
03/16/2006DE102004035272A1 Vascular prosthesis, e.g. an aorta arch, has ring pleats and a longitudinal stitched seam at the curved section to gather the pleats asymmetrically at the inner side of the arch curve
03/15/2006EP1634661A1 Multiple tube, and method and apparatus for manufacturing multiple tube
03/14/2006US7010951 Feeding mechanism of an automatic pipe bending machine
03/08/2006CN2762912Y Die sued for bending thin-wall tube variable curvature
03/02/2006DE10348201B4 Untersetzungsgetriebe für die Rohrförderung einer Rohrbiegemaschine Reduction gearbox for the pipe delivery of a pipe bending machine
03/01/2006CN1741868A Nut-plate riveter
02/2006
02/14/2006US6997030 Rebar bending tool
02/01/2006EP1620215A1 Tube bender and method of using same
01/2006
01/04/2006CN1714965A Servo motor control unit for press-forming machine
12/2005
12/28/2005EP1608474A2 Lubricants suitable for hydroforming and other metal manipulating applications
12/28/2005CN1712152A Automatic pipe bending process of S-shaped pipe and automatic pipe bender of S-shaped pipe
12/21/2005EP1607152A1 Method and device for bending material tube
12/21/2005EP1097755B1 Bending method for pipe material
12/21/2005CN1709607A Magnesium-alloy tube hot-bending method and equipment thereof
12/08/2005WO2004062836A3 Lubricants suitable for hydroforming and other metal manipulating applications
12/08/2005US20050268687 Manufacturing a curved measuring tube for a vibratory measurement pickup
12/08/2005DE102004023489A1 Herstellen eines gebogenen Messrohrs für einen Meßaufnehmer vom Vibrationstyp Manufacturing a bent measuring tube for a vibratory transducer
11/2005
11/24/2005WO2005110637A1 Manufacture of multi-walled pipes
11/24/2005US20050257593 Tube bender and method of using same
11/24/2005DE10326554B4 Verfahren zum Herstellen einer Stossstangenverstärkung A method of manufacturing a bumper reinforcement
11/17/2005WO2005108931A2 Production of a bent measuring tube for a vibration-type measuring sensor
10/2005
10/27/2005US20050235719 External sleeve assisted tube bending
10/26/2005CN1688399A Tube bender and method of using same
10/06/2005US20050217337 Guide support for a tube-bending machine
10/06/2005US20050217336 Method and apparatus for patterning of bore surfaces
09/2005
09/29/2005US20050210946 Bending machine and tube support and drive device thereof
09/28/2005CN2728667Y Small bending radias coiled pipe bending machine
09/15/2005WO2005084857A1 Method and apparatus for patterning of bore surfaces
09/15/2005US20050199033 Bending machine for profiles and circular pipes
09/14/2005EP1401595B1 Method and device for determining the spatial geometry of a curved extruded profile
09/14/2005CN1218795C Process for producing the environment-friendly type copper pipe casting
09/13/2005US6941787 Bending device for thin-walled metal pipes
09/13/2005CA2323473C Bending method for pipe material
09/07/2005EP1570926A1 Method of making an elbow for a downpipe, an elbow piece and a downpipe
08/2005
08/25/2005US20050183488 Plate and tube bending device
08/24/2005CN1657195A Equipment and method for making non-ferrous metal seamlesi bend, bend pipe by thermal pushing
08/18/2005DE102005002804A1 Verfahren zum Herstellen vorgeformter rohrförmiger Elemente A method for producing preformed tubular members
08/18/2005DE102004008409B3 Advancing device for a tube bending machine comprises an auxiliary drive having a front end connected to the main part of the advancing device and a rear end connected to an anchoring part of the advancing device
08/17/2005CN1654139A Method of bending pipe and apparatus therefor
08/11/2005US20050172692 Method of bending pipe and apparatus therefor
08/11/2005DE102004003682A1 Verfahren zum Warmfließformbiegen und eine Vorrichtung zur Ausübung des Verfahrens A method of hot flow-form bending and a device for carrying out the method
08/10/2005CN1651162A Pushing making method of large caliber bend
08/04/2005WO2005070581A1 Hot flow forming and bending method, and device for carrying out said method
08/04/2005CA2553738A1 Hot flow forming and bending method, and device for carrying out said method
08/03/2005CN2714193Y Fender device for driving rack of pipe bender
08/03/2005CN1649683A Bending machine for profiles and circular pipes
07/2005
07/28/2005US20050160783 Method of making pre-formed tubular members
07/21/2005US20050156355 Production apparatus and production method for producing bent portion of multi-channel tube
07/21/2005DE19830962B4 Vorrichtung und Verfahren zum Biegen stangenartiger Werkstücke Apparatus and method for bending rod-like workpieces
07/20/2005EP1554066A2 Device for free three-dimensional profile forming
07/14/2005DE10357344A1 Luftspaltisoliertes Abgasrohr, und Verfahren zu dessen Herstellung Air gap insulated exhaust pipe, and process for its preparation
07/07/2005WO2005061142A1 Bent double-walled component, such as an exhaust pipe insulated by an air gap, and method for producing the same
07/07/2005CA2548760A1 Bent double-walled component, such as an exhaust pipe insulated by an air gap, and method for producing the same
06/2005
06/30/2005DE10020725B4 Biegevorrichtung für dünnwandige Metallrohre Bending device for thin-walled metal tubes
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