| Patents for B21D 9 - Bending tubes using mandrels or the like (1,513) |
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| 12/23/2010 | US20100319427 Apparatus and method for expanding tubular elements |
| 12/15/2010 | CN201669323U Tube bender |
| 12/08/2010 | CN101214609B Method for preparing motor vehicle nylon hose shaping mold |
| 11/25/2010 | DE102009003264A1 Method of manufacturing plate heat exchanger, involves providing work piece support having base plate and multiple bending pins, where heat exchanger tube looping bending pins is laid on base plate |
| 11/17/2010 | CN201632525U Nonstandard elbow pipe forming mould |
| 11/17/2010 | CN201632524U Long-arm elbow suspending and rotating device |
| 11/11/2010 | US20100286757 Stent graft |
| 11/10/2010 | EP2248612A1 Bending Method and bending assembly for metal sections |
| 11/10/2010 | CN201625700U Hot-press forming device for thick-walled elbows without inner cores |
| 11/10/2010 | CN201625699U Bending mechanism for novel pipe bender |
| 11/10/2010 | CN101428310B Flexible core of flexible tube terminal mould |
| 10/28/2010 | US20100269561 Bending tool for a bending press |
| 10/28/2010 | DE102009034589B3 Arrangement for bending tubular workpieces, has dome with dome element and rotor which is made of magnetizable material, where rotor is displaced into workpiece by magnet device |
| 10/27/2010 | CN201613288U 大口径高强度钢热推制弯头芯棒 High strength large diameter steel rod hot push elbow |
| 10/27/2010 | CN201613287U 弯管机前夹具 Bender before fixtures |
| 10/20/2010 | CN101862774A Elbow pipe piece forming machine |
| 10/14/2010 | US20100257914 Bending tool for a bending press |
| 10/13/2010 | CN201603786U U型弯管用塑性材料内衬芯棒 U-shaped mandrel bends lined with plastic material |
| 10/13/2010 | CN201603785U 弯管机滚轮机构 Bender roller mechanism |
| 10/12/2010 | US7810367 Method of shaping a metallic hollow member in a shaping tool at increased temperature and under internal pressure |
| 10/07/2010 | DE102005002804B4 Verfahren zum Herstellen vorgeformter rohrförmiger Elemente A method for producing preformed tubular members |
| 10/05/2010 | CA2493241C Tube bender and method of using same |
| 09/29/2010 | CN201592210U Rounding machine for hollow aluminum bars |
| 09/28/2010 | US7802459 Conduit bender with method and system for making ninety degree bends |
| 09/23/2010 | WO2010105341A1 Method of producing tailored tubes |
| 09/23/2010 | CA2753092A1 Method of producing tailored tubes |
| 09/15/2010 | CN201579320U Compact-structure core for online arcing of automobile bumper |
| 09/08/2010 | CN201572831U Forming device in pipe bender |
| 09/08/2010 | CN101823091A Driving device for pipe bending arm in double-mold full-automatic pipe bender |
| 09/07/2010 | US7788962 Hydraulic tool |
| 09/01/2010 | CN201565505U Coiling pipe bender of carburetor |
| 08/25/2010 | CN101811154A Method for producing hot-bending elbow |
| 08/19/2010 | US20100206036 Pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses |
| 08/18/2010 | CN201552240U Forming mould of elbow pipe |
| 08/18/2010 | CN201552220U Deformation-tracking bending die for rectangular thin-wall tube |
| 08/18/2010 | CN101804429A Bending process of double-layer pipe |
| 08/17/2010 | CA2593178C Gauge for pipe bending machine |
| 08/11/2010 | CN201543703U Continuously bending device for small sized connecting tube |
| 08/11/2010 | CN101801557A Pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses |
| 08/10/2010 | US7770428 Hot bend pipe and a process for its manufacture |
| 08/10/2010 | US7770426 Blade material bending method and blade material bending device |
| 08/04/2010 | CN201537657U Tracking deformed flexible bending mould for pipe bender |
| 08/04/2010 | CN201537648U Hand-operated core pulling pipe bender |
| 08/04/2010 | CN201537647U Core rod for bending tube |
| 07/21/2010 | CN101780499A 180 degrees pipe bender |
| 07/20/2010 | US7757532 Method and apparatus for bending a blade member |
| 07/14/2010 | CN101774113A Hot-pushing process for manufacturing large-caliber high-steel grade single-seam elbow |
| 07/14/2010 | CN101773958A Press-shaping device for inlet and outlet adapter tubes of compressor air cylinder |
| 07/14/2010 | CN101773957A Plastic material internal lining mandrel for U-shaped bent pipe |
| 07/14/2010 | CN101773956A Long-arm pipe bending and suspended rotating device |
| 07/07/2010 | EP2203266A2 Pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses |
| 07/07/2010 | EP2203264A1 Method and device for forming a bar stock, bar stock |
| 07/07/2010 | CN101767132A Hollow aluminum strip bending machine and bending method thereof |
| 07/07/2010 | CN101767131A Hot-press molding method for thick-walled elbow without inner core |
| 06/30/2010 | CN101758126A Numeric control bending core mould of thin-wall tube with large diameter |
| 06/30/2010 | CN101758125A Pipe coiling machine of vaporizer and pipe coiling method |
| 06/23/2010 | CN201511062U Simple pipe bender |
| 06/23/2010 | CN101745575A Improved pipe fitting sand replacement jarring machine |
| 06/23/2010 | CN101745574A Pipe bending device for over-long U-shaped pipes |
| 06/23/2010 | CN101745573A U-shaped pipe bending platform |
| 06/17/2010 | WO2010025883A3 Method and bending tool for bending pipes over a mandrel with an adjustable mandrel retainer means beading tool and rotating bending tool with such a beading tool |
| 06/17/2010 | DE102009053215A1 Verfahren zur Herstellung eines Rohres und ein Wärmeübertragungselement in welchem das Rohr eingebaut ist A method for manufacturing a pipe and a heat transfer element is integrated in said tube |
| 06/10/2010 | DE102008060897A1 Device for bending large diameter pipe of pipelines that transport large amount of e.g. oil, has three contact elements for producing bends in pipe, where bending device is positionable in interior of pipe |
| 06/09/2010 | CN101722221A Processing process of screw pipe bending machine |
| 06/09/2010 | CN101722218A Forming device in pipe bender |
| 06/09/2010 | CN101234466B Vehicle rear axle assembly front beam production method |
| 06/02/2010 | DE102008059507A1 Metallbearbeitungsmaschine mit Zuführvorrichtung für stabförmige Werkstücke Metal processing machine with feeder rod-shaped workpieces |
| 06/02/2010 | CN201493360U Adjustable universal wheel bracket |
| 06/02/2010 | CN101347812B Ejection mechanism of bent cold-pushing shaper |
| 05/26/2010 | CN201482843U Core print device used for tube bending machine |
| 05/26/2010 | CN101712055A Screw type pipe pushing and bending machine |
| 05/25/2010 | US7721583 Pipe bending shoe |
| 05/19/2010 | CN201470735U Mould for bending steel pipe |
| 05/19/2010 | CN201470734U Quick disassembling through core device of tube bending machine |
| 05/19/2010 | CN201470733U Lubricating coolant circulating device of internal thread forming machine of copper pipe |
| 05/19/2010 | CN101367099B Flexible bend pipe core mould |
| 05/12/2010 | CN201455067U Special split-type core shaft for pipe bending machine |
| 05/12/2010 | CN101704044A Rectangular thin walled tube stock tracking deformation bending mould |
| 05/06/2010 | WO2010050059A1 Bent member manufacturing method, bumper reinforcement manufacturing method and bending apparatus, and bumper reinforcement manufacturing apparatus |
| 05/05/2010 | CN101700543A Molding method of non-standard bent pipe mold |
| 04/22/2010 | DE102008052474A1 Verfahren zum maschinellen Biegen von Stäben, insbesondere von Rohren A method for automatic bending of bars, in particular pipes |
| 04/20/2010 | US7698922 Permanent invisible magnetic tags with digital data |
| 04/14/2010 | CN101693269A Device for shaping special-shaped tube through bending |
| 04/07/2010 | CN201436149U Pipe clamping device |
| 04/07/2010 | CN201436097U Spindle for bend pipe formation of metal pipe |
| 04/01/2010 | DE10205789B4 Biegekopf Bending head |
| 03/31/2010 | CN201432029Y Elbow forming machine |
| 03/31/2010 | CN101683671A Improved lateral adjustable mechanism for cold-bending machine |
| 03/11/2010 | WO2010025883A2 Method and bending tool for bending pipes over a mandrel, and beading tool |
| 03/10/2010 | CN201419199Y Pipe elbow pushing machine |
| 03/10/2010 | CN201419197Y Roller support |
| 03/02/2010 | US7669448 Lockseaming process and apparatus for same |
| 02/17/2010 | CN201404978Y Cold bending pipe device |
| 02/11/2010 | WO2010017336A2 Improved method for manufacturing a bent heat exchanger |
| 02/11/2010 | DE202008011983U1 Vorrichtung zum Biegen der Enden von Rohren in Kreisform A device for bending the ends of pipes in a circular shape |
| 02/10/2010 | CN201399516Y Semi-automatic shot loading and pouring machine for spiral tube |
| 01/28/2010 | US20100018283 Folding device for a bending press, in particular an edging press |
| 01/21/2010 | US20100011832 Apparatus and method for ram bending of tube material |
| 01/05/2010 | US7640778 Servo drive system and continuous working system of press machine |
| 12/30/2009 | EP2138248A1 Bending method for cone-shaped pipes |