| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 05/02/2012 | EP2446980A2 Tube and method for processing the ends of tubes |
| 05/02/2012 | CN102430659A Sealing machine |
| 05/02/2012 | CN102430658A Bending and reaming machine of air brake pipeline of motor trolley |
| 05/02/2012 | CN101804543B Process for coating stainless steel pipe on outer surface of steel pipe |
| 04/26/2012 | DE102010049589B3 Rohr und Verfahren zur Bearbeitung von Rohrenden Tube and method for processing of pipe ends |
| 04/19/2012 | WO2011149227A3 Manufacturing apparatus used for spinning pipe |
| 04/19/2012 | DE202012002754U1 Vorrichtung zur Rohrverarbeitung durch eine von einer hydraulischen Vorrichtung erzeugte Gegenkraft Apparatus for processing by a pipe produced by a hydraulic device counterforce |
| 04/17/2012 | CA2683331C Scraping tool |
| 04/11/2012 | CN202185527U 缩颈机主轴轴承辅助支撑装置 Necking machine spindle bearing auxiliary support device |
| 04/11/2012 | CN202185506U 无缝钢管打头冲孔装置 Seamless Steel starts punching device |
| 04/11/2012 | CN102407269A 立式胀管机快速退模机构 Vertical expanding machine rapid retreat model agencies |
| 04/11/2012 | CN101448588B Expansion-molding method and expansion-molding device for steel pipe |
| 04/04/2012 | CN202180156U 无缝气瓶收口机旋压轮及轴的锥形连接结构 Conical connection structure seamless cylinders shut machine spinning wheel and shaft |
| 04/04/2012 | CN202180136U 一种管端成型模的成型装置 A pipe end molding forming apparatus |
| 04/04/2012 | CN102397954A Full-automatic metal pipe double-head sealing machine |
| 03/29/2012 | WO2012037935A1 Coupling parts for connecting a driving device to an expander head |
| 03/28/2012 | CN102389928A Tapered connecting structure for rotary pressing wheel and shaft of seamless gas bottle necking-in machine |
| 03/27/2012 | US8141226 Method of sheathing a stent |
| 03/22/2012 | DE102011011666A1 Drive for horizontal strip accumulator of strip system, has winch drum arranged behind fixed point towards two running directions, and cable winch movable transverse to third running direction proportional to length of winch |
| 03/21/2012 | CN101954419B Steel-drum cantilever horizontal port expanding and necking machine |
| 03/15/2012 | DE102011109403A1 Einziehmaschine Necking |
| 03/14/2012 | EP2428289A1 Method of fabricating sleeves for trampolines |
| 03/14/2012 | CN202162295U 金属管缩径机 Metal tube necking machine |
| 03/14/2012 | CN202162294U 金属管缩口封头机 Metal tube necking machine head |
| 03/14/2012 | CN202162293U 一种用于金属管件开料机上的管端成型机构 A tube end forming mechanism of metal pipe cutting machine on for |
| 03/14/2012 | CN102371313A Shrinking machine |
| 03/13/2012 | US8132438 Closing method and closing machine |
| 03/07/2012 | CN202155442U 扫描扩口的胀管机 Scan flared expanding machine |
| 03/07/2012 | CN202155441U Flaring unit of automatic flaring machine for stainless steel pipe fitting joints |
| 02/29/2012 | CN101947604B Pendulum-type bidirectional expanding machine |
| 02/23/2012 | WO2012022665A1 Tool and method for expanding a pipe end |
| 02/23/2012 | US20120043294 Shaped metal container and method for making same |
| 02/23/2012 | CA2808127A1 Tool and method for expanding a pipe end |
| 02/22/2012 | EP2420333A1 Tool and method for expanding a pipe end |
| 02/22/2012 | CN202146954U Discharging unit of stainless steel pipe fitting joint automatic flaring machine |
| 02/22/2012 | CN202146951U Automatic flaring machine for stainless steel pipe joints |
| 02/22/2012 | CN102357606A Process for sealing port of metal pipe |
| 02/21/2012 | US8117885 Mandrel with retention sleeve and methods of using the same |
| 02/21/2012 | US8117877 Method and forming machine for manufacturing a product having various diameters |
| 02/16/2012 | US20120036913 Mandrel assembly and method of using the same |
| 02/16/2012 | DE102010014878B4 Vorrichtung zum automatischen Aufweiten von Rohren An apparatus for automatically expanding tubes |
| 02/15/2012 | EP1842603B1 Method for forming portions of workpiece having different diameters |
| 02/15/2012 | CN202143925U 一种立式缩口机 One kind of vertical necking machine |
| 02/15/2012 | CN202143924U 钢管端头扩径机 Steel tip flaring machine |
| 02/14/2012 | US8112857 Stent crimping device |
| 02/09/2012 | US20120030917 Axial Swage Tool |
| 02/08/2012 | CN202137285U 气动扩口机 Pneumatic Belling Machine |
| 02/08/2012 | CN202137284U Feeding unit of automatic flaring machine for stainless steel pipe fitting joints |
| 02/08/2012 | CN202137283U Holding fixture unit of automatic flaring machine for stainless steel pipe joints |
| 02/08/2012 | CN202137282U 液压半自动管材管口顶压变径塑形机 Hydraulic semi-automatic top pressure reducer pipe mouth shaping machine |
| 02/08/2012 | CN102343397A End part molding die for high-pressure oil pipe |
| 02/08/2012 | CN101513660B 筒状工件的端部加工方法及装置 Method and apparatus for processing the end portion of the cylindrical workpiece |
| 02/01/2012 | CN202129372U 一种金属管类零件快速旋压收口设备 Parts of a metal pipe shut fast spinning equipment |
| 02/01/2012 | CN202129371U 连续油管直线式胀圆锥轴 Coiled tubing cone axis linear expansion |
| 02/01/2012 | CN102335697A Copper pipe processing method adopting scanning flaring |
| 01/31/2012 | US8104321 Stent crimping mechanisms |
| 01/25/2012 | CN102328185A Horn mouth formation processing method |
| 01/25/2012 | CN102327997A Drag link reaming machine |
| 01/25/2012 | CN102327996A Grinding-type pipe end forming machine |
| 01/19/2012 | DE102011107450A1 Device for reshaping tube, comprises main clamping jaw arrangement for clamping primary portion of tube, and symmetric expansion tool for symmetric expansion of the end portions of tube |
| 01/18/2012 | CN202114165U Bicycle head tube double-expansion processing machine |
| 01/18/2012 | CN202114146U Half shaft bushing forming frock |
| 01/18/2012 | CN102319834A Steel pipe expansion pressure forming method for axle housing of engineering vehicle |
| 01/18/2012 | CN102319819A Semiautomatic pipe reducing device |
| 01/18/2012 | CN102319818A Steel pipe heat-sealing method and special turning tool |
| 01/18/2012 | CN102319817A Tube end closing method for dope tube |
| 01/18/2012 | CN101823208B Installation structure for clamping cylinder bases in double-end pipe end forming machine |
| 01/11/2012 | CN202105927U Manual closing-up mechanism for parts |
| 01/11/2012 | CN202105926U Automatic expanding machine for automotive gas spring cylinder |
| 01/11/2012 | CN202105897U Pressing formation type head manufacturing machine |
| 01/10/2012 | US8092612 Cooling method and cooling device |
| 01/05/2012 | DE19714753B4 Verfahren zum Formen eines geschlossenen Behälterbodens an einem rohrförmigen Werkstück aus Metall A method for forming a closed container base at a tubular metal workpiece |
| 01/04/2012 | CN202097286U Diameter-reducing die for rubber bush |
| 01/04/2012 | CN102303218A Machining method of plunger for door closer and special die thereof |
| 12/29/2011 | US20110314887 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool |
| 12/29/2011 | DE10002540B4 Vorrichtung und Verfahren zum Einziehen der Enden eines Rohres, insbesondere der Enden eines Katalysatorgehäuses Apparatus and method for pulling in the ends of a pipe, in particular the ends of a catalytic converter housing |
| 12/28/2011 | CN202087712U 一种全自动管端成型机 A fully automatic tube end forming machine |
| 12/28/2011 | CN202087711U 风缸封头收口工装 Cylinder head wind shut tooling |
| 12/28/2011 | CN202087710U 一种卧式缩口机 One kind of horizontal necking machine |
| 12/28/2011 | CN102294408A 一种自动缩径设备 An automatic necking equipment |
| 12/27/2011 | US8083122 Drum for washer and dryer |
| 12/22/2011 | WO2011159678A1 Heat exchanger tube and method of making |
| 12/22/2011 | US20110308293 Method and device for stretching and forming a foil blank and product produced herewith |
| 12/22/2011 | DE102009030152B4 Verfahren und Vorrichtung zur Prozessüberwachung und Prozessregelung beim Expandieren von UOE-Rohren aus Stahl Method and apparatus for process monitoring and process control during the expansion of UOE steel tubes |
| 12/21/2011 | EP1430969B1 Vibration isolating bushing and method of producing the same |
| 12/21/2011 | CN202079187U 液压收口机 Hydraulic shut machine |
| 12/21/2011 | CN202079186U 小型收口机 Small shut machine |
| 12/21/2011 | CN202079185U 翻转式滚压封口机 Flip-rolling Sealer |
| 12/21/2011 | CN202079184U 小管径热管封头机 Small diameter heat pipe head machine |
| 12/21/2011 | CN202079183U 管头两端冲压缩口装置 Ports at both ends of the tube head punch compression device |
| 12/21/2011 | CN102292174A 旋压加工方法 Spinning Method |
| 12/21/2011 | CN102287440A 一种中央空调用的空心联动轴及其加工方法 Hollow shaft linkage of a central air conditioning and processing methods used |
| 12/21/2011 | CN102284644A 一种便携式扩管器 A portable Flaring |
| 12/21/2011 | CN102284643A 扫描扩口装置 Scanning widening device |
| 12/21/2011 | CN102284642A 连续油管直线式胀圆锥轴 Coiled tubing linear expansion cone axis |
| 12/21/2011 | CN102284615A 一种管端成型模的成型装置 A pipe end molding forming device |
| 12/21/2011 | CN101879558B 钻杆加厚机自动冷却吹扫润滑系统 Automatic purging thick drill cooling lubrication system |
| 12/14/2011 | CN202070685U 自动给油控制装置 Automatic oil control device |
| 12/14/2011 | CN202070684U 一种桶体扩口头 A barrel-verbal body expansion |
| 12/14/2011 | CN202070683U 定径减径机 Sizing reducing mill |