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