B21D 41 - Application of procedures in order to alter the diameter of tube ends

Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982)
07/2013
07/03/2013	CN103182624A Machining technology of automobile vent-pipe
07/03/2013	CN103182459A Pipe fitting sizing mould
07/03/2013	CN103182457A High-speed spinning sealing process method for pipe port
07/02/2013	US8474300 Methods to provide a feature on a needle
07/02/2013	CA2646563C Tubing anchor
06/2013
06/26/2013	CN203018559U Pipe end necking die
06/26/2013	CN203018524U Flanging-converging device for circular tube
06/20/2013	US20130156496 Coupling parts for connecting a driving device to an expander head
06/20/2013	US20130152659 System and method for crimping a prosthetic valve
06/19/2013	CN203002923U Gas spring cylinder barrel flaring pressure head
06/19/2013	CN103157730A Positioning device for close up of enamel ozonizer
06/12/2013	CN202984484U Automatic necking machine
06/12/2013	CN202984483U Chambering die
06/12/2013	CN202984482U Pipe-expanding machine
06/12/2013	CN103143635A Reducing device for aluminum alloy flat tube
06/12/2013	CN103143634A Rotary extrusion necking machine
06/06/2013	WO2012073786A9 Hollow coil spring and method for manufacturing same
06/05/2013	CN202963268U Clamping device for capillary flaring
06/05/2013	CN202963261U Rotary necking device
06/05/2013	CN202963260U Flaring bar with cutting edges embedded with hard alloy
06/05/2013	CN202963259U Pipe orifice tri-cone opening-expansion machine with self rotation
06/05/2013	CN202963258U Flaring device universally used for conduits
06/05/2013	CN202963257U Reamer
06/05/2013	CN103128168A Sealing die
06/05/2013	CN102303218B Machining method of plunger for door closer and special die thereof
05/2013
05/30/2013	US20130138136 Positioning and detaching implants
05/29/2013	CN202951776U Modularized hole shrinkage device
05/29/2013	CN202951749U Hole shrinkage and spinning repairing device of hydraulic cylinder barrel
05/23/2013	WO2013073588A1 Tube end forming method
05/22/2013	CN202943179U Flaring and sizing mill for pipe fittings
05/22/2013	CN202943178U Novel flaring tool
05/22/2013	CN202943177U Automatic device for machining copper pipe end ports
05/22/2013	CN103111534A Shape rising mold special for heavy truck axle housing cold forging inner rising molding
05/16/2013	WO2013070762A1 Servo motor controlled hydraulic pump unit for tube end forming equipment
05/15/2013	CN202934047U Planet roller rolling opening sealing device for heat pipe
05/15/2013	CN202934046U Shrinking machine
05/10/2013	WO2013064143A2 Clamping element for a clamping device for fixing a tube to be flanged
05/08/2013	CN202921798U Flow forming head and flow forming opening sealing machine
05/08/2013	CN202921797U Seal device for copper pipes
05/08/2013	CN103084842A Metal tubing two-end molding mechanism
05/08/2013	CN103084502A Pipe expander capable of molding expanding flaring for one time
05/06/2013	DE202012100361U1 Expansionskopf für Aufweitwerkzeuge und diesen umfassendes Expansionswerkzeug Expansion header for Backreamers and this comprehensive expansion tool
05/02/2013	DE102011055003A1 Clamping element for clamping apparatus for fixing e.g. copper pipe to be widened, has clamping portion formed by material projections, which partly circulate over periphery of retainer without displacement towards axis
05/01/2013	CN103071713A Hole shrinkage spinning restoration device of hydraulic cylinder barrel and method for performing hole shrinkage spinning restoration on hydraulic cylinder barrel
04/2013
04/30/2013	US8429947 Apparatus and method for shaping electric wire for stator coil of electric rotating machine
04/25/2013	WO2013056610A1 Sealing machine
04/24/2013	EP2582475A1 Heat exchanger tube and method of making
04/24/2013	CN103056236A Method for shrinking pipe end orifices substantially
04/24/2013	CN102166603B Revolving-extrusion sealing device for pipe sealing machines
04/18/2013	DE102010035222B4 Kupplung für die axiale Verbindung eines Antriebsgerätes mit einem Expanderkopf Coupling for axial connection of a drive unit with an expander head
04/18/2013	DE102010035221B4 Kupplung für die axiale Verbindung eines Antriebsgeräts mit Expanderkopf Coupling for axial connection of a drive unit with expander head
04/17/2013	EP2581147A1 Weldable boss
04/17/2013	CN202886919U Master control circuit of pneumatic rapid cold punching machine
04/17/2013	CN202877433U High shrink mouth end cover and machining mold thereof
04/17/2013	CN202877411U Sealing machine of motorcycle rear shock absorber oil storage cylinder
04/17/2013	CN202877410U Semi-automatic lock opening and locking leakage warning device
04/17/2013	CN202877409U Combination tool for necking and restricking of oil storage cylinder
04/17/2013	CN103042068A Connecting pipe automatic production method and system thereof
04/16/2013	US8418520 Press jaw pair for pressing units
04/10/2013	EP2576094A2 Manufacturing apparatus used for spinning pipe
04/04/2013	WO2013047650A1 Manufacturing method for stepped rectangular pipe
04/04/2013	WO2013047649A1 Manufacturing method for stepped rectangular pipe
04/03/2013	CN202845620U Main clamping die mechanism of multi-station servo transposition cold stamping machine
04/03/2013	CN202845619U Stopper device of multi-station servo transposition cold stamping machine
04/03/2013	CN202845617U Shock absorber sealing device
04/03/2013	CN202845616U Full automatic multi-station horizontal type copper pipe enlarging and shrinking machine
04/03/2013	CN202845615U Multi-station stamping die mechanism of multi-station servo transposition cold stamping machine
04/03/2013	CN202845614U Servo transposition device of multi-station servo transposition cold stamping machine
04/03/2013	CN202845613U Main stamping mechanism of multi-station servo transposition cold stamping machine
04/03/2013	CN103008486A Pipe fitting flaring sizing mill
04/03/2013	CN103008485A Straight pipe end clamping device of pipe expanding machine
04/02/2013	US8408038 Shutter-type crimper
03/2013
03/28/2013	WO2013040661A1 Device and instrument for the cold expansion of mounting holes
03/28/2013	US20130074342 Heat exchanger tube and method of making
03/27/2013	CN202824431U Novel pipe reducing machine
03/27/2013	CN202824430U Electric expanding, rounding and burring combination device for stainless steel thin wall tubes
03/27/2013	CN102989913A Steel tube necking mechanism
03/27/2013	CN102989912A Steel tube flaring and punching device
03/26/2013	US8402806 Installation/processing systems and methods of using the same
03/20/2013	CN202803976U Horizontally arranged numerable controlled necking clamp for cups
03/20/2013	CN202803975U Vertically arranged cup type numerical control necking fixture
03/20/2013	CN202803974U Binding-off tool
03/20/2013	CN202803973U Vertical necking machine for medium-sized cylinders
03/20/2013	CN102974707A Hydraulic pipe contracting machine
03/20/2013	CN102974706A Thermotube planetary roller rolling converging device
03/13/2013	CN202780467U Multi-shaft rotary plate machine for forming thin-walled tube end opening one time
03/13/2013	CN202780465U Automatic production device for steel pipe laying-off notching necking
03/13/2013	CN202779534U Cylinder necking machine
03/13/2013	CN202779496U Seamless tube end shrinkage device
03/13/2013	CN202779495U Seal device for cylindrical parts
03/13/2013	CN202779494U Reamer
03/13/2013	CN202779493U Clamping mould for pipe end forming machine
03/13/2013	CN202779408U Sanitary can necking mold
03/13/2013	CN102971097A Method for making a bag filter housing
03/13/2013	CN102962333A Punching head
03/06/2013	CN202762873U Multi-station servo displacement cold punch machine
03/06/2013	CN202762860U Safe emptying device for automatic vertical necking machine
03/06/2013	CN102950217A Special pipe end forming method and special clamping mould used thereby
03/06/2013	CN101628601B Bicycle seat pipe and pipe wall-molding device thereof
03/06/2013	CN101362168B Deep-drawing processing device

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