Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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02/13/2002 | CN2476361Y Multiple spiral coil pipe bending machine |
02/12/2002 | US6345525 Tube bending machine, magazine device thereof, and method for loading |
02/06/2002 | CN2475484Y Hand-operating powerful bending tool |
01/30/2002 | CN1333095A Long element bending method and bender thereof |
01/24/2002 | WO2002005982A1 Section bending machine |
01/24/2002 | CA2384595A1 Section bending machine |
01/23/2002 | EP1174199A1 Device for curving elongated corner irons |
01/23/2002 | CN1332326A Multipurpose circular involute tube |
01/15/2002 | CA2237244C Safety clamp |
01/09/2002 | CN2470022Y Multipurpose hydraulic pipe bender |
01/09/2002 | CN2470021Y Pipe bender having double sets of knock-out mechanism |
01/09/2002 | CN2470020Y Multi-space hydraulic pipe bending machine |
01/09/2002 | CN1077464C Method to cold-bend resin-coated ribbed steel pipes and steel pipes bent by the method |
01/03/2002 | DE10119030A1 Bending device for bending tubes in two and/or three dimensions has bending rollers in plane perpendicular to tube input axis |
01/02/2002 | EP1166911A2 Machine for bending tubes and the like |
12/20/2001 | DE10028340A1 Pipe and tube bender of frame and sled acts on sled movement by dampers acting on frame and sled endstops to cushion sled into and through progressive bend points. |
12/12/2001 | CN1325773A Automatic steel bar bender |
12/12/2001 | CN1325772A Device for bending cutting knife |
12/06/2001 | WO2001091936A1 Automated bar bender |
12/06/2001 | DE10023637A1 Dismantlable bending tool has tool elements locked and unlocked by relative rotation essentially in bending plane; locking arrangement effects locking function by friction locking |
12/05/2001 | EP1160078A1 Laminated material and method of bending laminated material |
12/05/2001 | EP1159094A1 Method and pipe-bending device for manufacturing a pipe-offset for a connector |
11/29/2001 | US20010045115 Folding system for a cutting blade |
11/28/2001 | EP1157760A2 Apparatus for bending cutting blade |
11/22/2001 | WO2001036121A3 Method for forming an initial profile or a tool of the kind and a profile therefor |
11/21/2001 | EP1154869A1 Method and apparatus for bending a profiled metal element while limiting deformation of its cross-sectional shape |
11/15/2001 | DE10021028A1 Bending machine for long profile workpieces or pipes, has bending device, workpiece clamping device, and supporting devices for workpiece and bending pin before or after clamp |
11/08/2001 | WO2001083130A1 Bending device for thin-walled metal pipes |
11/08/2001 | DE10020725A1 Biegevorrichtung für dünnwandige Metallrohre Bending device for thin-walled metal tubes |
11/07/2001 | CN1074325C Supporting-seat-arm assembly for tube-automatic-positioning type tube bending machine |
10/31/2001 | CN1073894C Group for clamping and dragging pipe or rod for pipe benders with or without inner mandrel and rod |
10/30/2001 | US6308551 Apparatus for bending cutting blade |
10/25/2001 | US20010032491 Bender stand |
10/24/2001 | CN2455402Y Hydraulic shaped bender |
10/24/2001 | CN2455401Y Hollow glass aluminium bender |
10/18/2001 | US20010029764 Angled ductwork fittings, flexible fitting machine and methods of manufacture |
10/17/2001 | EP0697925B1 Microprocessor controlled apparatus and method for forming metal building panels |
10/16/2001 | CA2142140C Apparatus for bending a heat-exchanger tube |
10/11/2001 | WO2001074508A1 Method and apparatus for curving longitudinal sheets having two opposite flanges |
10/09/2001 | US6298704 Portable bending apparatus having transaxial workpiece loading |
10/04/2001 | EP1138403A1 Method and apparatus for curving longitudinal sheets having two opposite flanges |
10/03/2001 | CN1072041C Protective mould means for bending small-bore thin wall metal floral tube |
09/27/2001 | WO2001070425A1 Tube bending machine |
09/26/2001 | EP1136147A2 Variable-speed pipe bending |
09/26/2001 | EP1135222A1 Pressure pad device for a bending machine |
09/12/2001 | CN2447079Y Electric pipe bender |
09/11/2001 | US6287399 Metallic article resistant to buckling |
09/07/2001 | WO2001064366A1 Steel pipe bending apparatus and method |
09/06/2001 | US20010018841 Apparatus for bending pipes |
09/06/2001 | DE10010110A1 Einrichtung zum Biegen von Rohrleitungen Means for bending pipes |
09/05/2001 | EP1129797A2 Apparatus for bending tubes |
09/04/2001 | US6282937 Corner bead re-shaping tool |
08/30/2001 | WO2001062411A1 Wire bending device |
08/30/2001 | WO2001062408A1 Bending device for bending plastically deformable strip material |
08/30/2001 | DE10008714A1 Biegevorrichtung zum Biegen von plastisch verformbarem Bandmaterial Bender for bending plastically deformable strip material |
08/22/2001 | CN1069851C Method and apparatus for bending pipe |
08/07/2001 | CA2333347A1 Bender stand |
07/25/2001 | CN2439914Y Tube-bending machine |
07/19/2001 | WO2001051228A2 A sweep forming assembly, a bumper and a method of manufacture thereof |
07/18/2001 | EP1115517A1 Grasping device for changing bending tools on a tube bending machine |
07/18/2001 | EP1115516A1 Apparatus and method for bending tubular or rod-shaped material |
07/17/2001 | US6260395 Vertically oriented apparatus for bending tubing, and method of using same |
07/11/2001 | CN2438523Y T-steel bending round machine |
07/05/2001 | WO2000074871A8 Method for producing pipe bends from straight, spirally welded pipes |
07/03/2001 | US6253595 Automated pipe bending machine |
07/03/2001 | US6253591 Method and apparatus for bending a metallic flanged member |
06/28/2001 | DE19960819A1 Plastic shaping of thin workpiece to form curve etc. using additional control drives to impose rigid body movement on workpiece |
06/28/2001 | DE10050919A1 Verfahren zum Biegen von Metallrohren von kleinem Durchmesser und Vorrichtung hierfür Method of bending metal pipes of small diameter and apparatus therefor |
06/27/2001 | EP1110016A1 Gasket for heat exchanger and method and apparatus for manufacturing same |
06/26/2001 | US6250124 Steel pipe bending apparatus and method |
06/20/2001 | EP0885077A4 Pressure die assist boost system for tube bending machine |
06/20/2001 | EP0853510A4 Programmable pressure controlled mandrel extractor for tube bending machine |
06/13/2001 | DE19956796A1 Biegevorrichtung für das 2- und 3-dimensionale Profilbiegen Bending device for the 2- and 3-dimensional profile bending |
06/05/2001 | US6241256 Gasket for heat exchanger and method and apparatus for manufacturing same |
05/31/2001 | WO2001038018A1 Bending device for 2 and 3-dimensional profile bending |
05/31/2001 | DE19956046A1 Manufacturing process for spacer frame insulated window panes uses hollow profile subjected to bending process simultaneous with pressure roller being moved along outer side of profile being formed |
05/31/2001 | DE19955506A1 Internal high pressure forming method for hollow profiled blank uses bending process to form central profile line, and internal forming process to give shape |
05/29/2001 | US6237380 Bending device having a control mechanism for controlling joint-type robots of the bending device |
05/25/2001 | WO2001036121A2 Method for forming an initial profile or a tool of the kind and a profile therefor |
05/25/2001 | CA2391444A1 Method for forming an initial profile or a tool of the kind and a profile therefor |
05/23/2001 | DE19955694A1 Verfahren zum Umformen eines Ausgangsprofils o. dgl. Werkstückes sowie Profil dafür Method for forming an output profile o. The like. Workpiece as well as profile for |
05/22/2001 | US6233998 Easy mode pipe-reducing device |
05/16/2001 | EP0952896B1 Machine for bending tubes with small diameter |
05/16/2001 | CN2430228Y Cooling device for longitudenal cold bending section mill |
05/09/2001 | EP1097755A1 Bending method for pipe material |
05/02/2001 | EP1095716A1 Portable electrical tube bending device |
05/02/2001 | CN2428237Y Combined rolls for forming cold bent sections |
04/24/2001 | US6220069 Method and apparatus for bending tubing |
04/03/2001 | US6209371 Pipe bender angle indicator |
03/28/2001 | EP1087278A2 Method of generating control data for bending and torsion apparatuses |
03/28/2001 | EP1086760A2 Automated pipe bending machine |
03/28/2001 | CN1063685C Pipe-bending apparatus |
03/21/2001 | CN2423975Y Arranged copper aluminium bender |
02/27/2001 | US6192728 Pipe bending machine accurately controlling bent angles of pipes |
02/21/2001 | CN2420080Y Fixiing core block for rolling cold bending section |
02/20/2001 | US6189354 Method and modular-multistation device for folding profiles |
02/20/2001 | US6189353 Bending device and bending method |
02/13/2001 | US6185978 Method for manufacturing of curved and quenched profiled elements and a die tool for carrying out the method |
02/13/2001 | US6185969 Machine for bending tubes with small diameter |
02/13/2001 | US6185968 Bending device and bending method |