| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 09/24/2008 | CN201120436Y Digital control lathes with closing-in function |
| 09/24/2008 | CN101269394A Hollow rack and manufacturing method, hollow rack end diameter reducing method and apparatus |
| 09/10/2008 | EP1654149B1 Vehicle frame having energy management system and method for making same |
| 09/03/2008 | CN101256044A Refrigerant pipe for refrigeration cycle and manufacturing method of the same |
| 09/02/2008 | US7418851 Device for crimping a contact on a cable |
| 08/28/2008 | US20080202189 Upsetting method and upsetting apparatus |
| 08/27/2008 | EP1469957B1 Method and forming machine for manufacturing a product having various diameters |
| 08/27/2008 | CN100413613C Heat pipe sealing structure, and its pressing method and special mould |
| 08/26/2008 | CA2506375C Tube extracting device |
| 08/21/2008 | US20080196468 I/O endforming tool for forming tubes and method of manufacture thereof |
| 08/20/2008 | CN201102047Y Flow forming device |
| 08/20/2008 | CN201102045Y Corrugated pipe end plane processing machine |
| 08/20/2008 | CN101247903A Apparatus for forming pipe material |
| 08/13/2008 | CN100409968C Double gun linkage of tube expanding air gun |
| 08/06/2008 | CN201094982Y Horizontal sealing machine |
| 08/06/2008 | CN201094981Y Buffering positioning guard board of machine for reducing the diameter of tube end |
| 07/31/2008 | DE202008005983U1 Werkzeug zum Aufweiten eines Werkstücks Tool for expanding a workpiece |
| 07/29/2008 | CA2486517C Linear drive metal forming machine |
| 07/24/2008 | US20080173061 Apparatuses for crimping and loading of intraluminal medical devices |
| 07/23/2008 | EP1946861A1 Closing device and closing method |
| 07/09/2008 | CN201082453Y Metal tube flatting mill |
| 07/09/2008 | CN201082452Y Pipe end spinning enlarging flanging press |
| 07/09/2008 | CN201082451Y Pipe end spinning enlarging turnup device |
| 07/09/2008 | CN101214521A Method for processing casting steel elbow |
| 07/09/2008 | CN101214520A Middle reference constructional device of gilled tube radiator tube expanding machine |
| 07/09/2008 | CN101214519A Device for selecting expanding rod of gilled tube radiator tube expanding machine |
| 07/08/2008 | CA2362861C Sealing method and press apparatus |
| 07/03/2008 | US20080156062 Punch for cold forming operations |
| 07/02/2008 | EP1938950A1 Bulging die device for clips on a machine for making sockets on the ends of pipes made from plastic or composite material. |
| 07/02/2008 | CN101209523A Method for processing stainless steel tube rolling thread |
| 07/02/2008 | CN101209480A Method for manufacturing copper pipe bulged ring and tube gripper for implementing the method |
| 07/02/2008 | CN101209479A Expansion tube method of oblique sheet type heat exchanger |
| 06/26/2008 | DE202008004369U1 Vorrichtung zum Umformen des Endes eines rohrförmigen Bauteils Device for forming the end of a tubular member |
| 06/25/2008 | CN201076991Y Axially adjustable buoyancy turntable |
| 06/24/2008 | US7389670 Stent crimping system |
| 06/19/2008 | WO2008073952A2 Powder metal forging and method and apparatus of manufacture |
| 06/05/2008 | US20080127707 Stent crimping assembly and method |
| 06/04/2008 | CN100391644C Stainless steel shrinkage pipe , method and equipment for producing the same |
| 05/28/2008 | CN201064811Y Middle frequency induction heating pipe-expanding machine |
| 05/21/2008 | EP1922159A1 Method and apparatus for shaping various cross-sections on metal pipes |
| 05/21/2008 | CN101181774A Simple capillary separating machine |
| 05/20/2008 | CA2461855C Vibration assisted tubing expansion |
| 05/14/2008 | CN201058358Y Contracted pipe positioning device |
| 05/14/2008 | CN101180144A 3块式方形罐子 3 style square jar |
| 05/14/2008 | CN101176961A Method for preparing cuprum aluminum complex structure metallic can |
| 05/08/2008 | US20080104823 Pipe Formality Evaluation for Expandable Tubulars |
| 05/07/2008 | CN201057180Y High pressure automatic tube expanding machine |
| 05/07/2008 | CN201056053Y Rapid enlarging machine for pipeline |
| 05/06/2008 | US7367404 Tubing seal |
| 04/30/2008 | DE202008002266U1 Vorrichtung zum Aufweiten von Rohren Apparatus for expanding tubes |
| 04/30/2008 | DE202008002265U1 Vorrichtung zum Aufweiten von Rohren Apparatus for expanding tubes |
| 04/30/2008 | DE102004015811B4 Stufenlos blockierbare Verstelleinrichtung Progressively blockable adjustment |
| 04/30/2008 | CN201052535Y Expasion pipe mold |
| 04/30/2008 | CN201052534Y Contracted pipe mold |
| 04/30/2008 | CN100384563C Method for producing a coupling on a pipe and device for producing said coupling |
| 04/29/2008 | US7363695 Method of fabricating a temperature sensing tube |
| 04/24/2008 | WO2006113651A3 Swaging technology |
| 04/16/2008 | CN201046488Y Composite pipe truing device |
| 04/16/2008 | CN201046487Y Steel pipe expanding cylinder stroke detecting control device |
| 04/16/2008 | CN101161367A A method for shaping socle girder type steeliness wheel felloe |
| 04/15/2008 | US7357414 Closure for a gas supply system |
| 04/09/2008 | CN100379505C Heat pipe sealing method for shrink-free pipe and its structure |
| 04/08/2008 | US7353684 Method and apparatus of manufacturing drum |
| 04/08/2008 | US7353682 Pipe flaring tool |
| 04/02/2008 | EP1052035B1 Drawing system with spindle mechanism |
| 04/02/2008 | CN100377806C A radial compression applied sealing member processing method |
| 04/01/2008 | US7350823 Double pipe forked part structure and method of making the same |
| 03/27/2008 | DE102006043590A1 Kugelautofrettage Ball autofrettage |
| 03/20/2008 | US20080066518 Installation/processing systems and methods of using the same |
| 03/19/2008 | CN201036872Y Multi-functional leakage-proof tube shear |
| 03/19/2008 | CN201036798Y Gas generating device closing in device |
| 03/19/2008 | CN201036797Y Metal forming knife tool |
| 03/13/2008 | US20080061555 Flared cone fitting |
| 03/12/2008 | EP1497052A4 Portable hydraulic crimping tool |
| 03/12/2008 | CN201033343Y Counterboring mold |
| 03/12/2008 | CN201033341Y Forming die of special-shaped opening cuprum aluminum joint |
| 03/06/2008 | US20080053183 Methods and systems for reducing tensile residual stresses in compressed tubing and metal tubing products produced from same |
| 03/05/2008 | CN201030407Y Forming device of multi-station pipe end forming machine |
| 03/05/2008 | CN201030401Y Forming device of special pipe end forming machine |
| 03/05/2008 | CN100372627C Making process of drill pipe with internally and externally thickened end |
| 02/20/2008 | CN101125350A Force control rocking-rolling type rolling sealing machine tool |
| 02/14/2008 | US20080034832 Radial piston crimping tool |
| 02/13/2008 | EP1886741A1 Device and method for closing pipe ends |
| 02/13/2008 | EP1886740A1 Three-piece square can and method of manufacturing the same |
| 02/13/2008 | CN100368112C Apparatus and method for production of tapered steel pipe |
| 02/12/2008 | US7328602 Pipe expanding device |
| 02/07/2008 | US20080028609 Hollow member, manufacturing method thereof, fluid distribution system using the hollow member, and forming apparatus of hollow material |
| 02/05/2008 | US7325436 Expanding tool for hollow members |
| 01/30/2008 | CN201012377Y Pipe eyelet extending, punching, and shrinking and/or raw edges processing device |
| 01/30/2008 | CN100364686C Diameter-variable nozzle stub throat process |
| 01/29/2008 | CA2576487C An i/o endforming tool for forming tubes and method of manufacture thereof |
| 01/23/2008 | EP1880379A2 Swaging technology |
| 01/23/2008 | CN201008923Y Pipe body end shaping mould |
| 01/17/2008 | DE10100990B4 Vorrichtung zum Aufweiten von Rohren Apparatus for expanding tubes |
| 01/16/2008 | CN201006552Y Machine for shrinking one of the parts of tube |
| 01/15/2008 | US7318334 Powered pipe flaring tool |
| 01/10/2008 | US20080007088 Vehicle Frame Having Energy Management System And Method For Making Same |
| 01/10/2008 | US20080006074 Bead lining tool |
| 01/09/2008 | EP1543895B1 Composite fabrication facility of steel tube and fabrication method of steel tube |
| 01/09/2008 | CN201002115Y Coaxial rotating-wheel type steel cylinder heat spinning closing-in machine |