| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 08/13/2013 | CA2630021C Three-dimensional complex coil |
| 08/07/2013 | CN203109115U Spring winding device |
| 07/31/2013 | CN203091616U Spring coiling device |
| 07/31/2013 | CN203091615U Automatic spring machine |
| 07/31/2013 | CN102284654B Multi-shaft forming mechanism for numerical control spring coiling machine |
| 07/24/2013 | CN203076501U Large spring forming device |
| 07/24/2013 | CN203076500U Numerical control full-automatic winding machine |
| 07/23/2013 | US8490658 Automatic winding of wire field in wire slicing machine |
| 07/17/2013 | CN203069027U Spring body used for heat transfer enhancement |
| 07/17/2013 | CN203061776U Spring coiling forming device |
| 07/11/2013 | WO2013103064A1 N-order coiled structure, infinite coiled structure, method for manufacturing n-order coiled structure and infinite coiled structure, and use for n-order coiled structure and infinite coiled structure |
| 07/10/2013 | CN203044754U Automatic wire winding machine |
| 07/10/2013 | CN203044753U Machining device of spiral spring |
| 07/10/2013 | CN203044752U Tire bead steel wire external winding machine |
| 07/10/2013 | CN203044751U Manufacturing equipment of electric stove wire |
| 07/10/2013 | CN103192005A Novel air-conditioner cover die |
| 06/27/2013 | US20130164863 Solar cell module manufacturing device and solar cell module manufacturing method |
| 06/26/2013 | CN203018652U Steel cord wrapping machine |
| 06/26/2013 | CN103170557A Rectangular interlock type soft waveguide winding machine |
| 06/26/2013 | CN103170556A Bending machine of bending and spiraling rebar |
| 06/26/2013 | CN102107254B Manufacturing process for metal felt sealing member and dedicated press forming die |
| 06/19/2013 | CN203003018U Watch hairspring coiling machine |
| 06/19/2013 | CN203003017U Automatic reeling machine |
| 06/19/2013 | CN203003016U Heating filament automatic coiling forming machine |
| 06/19/2013 | CN103157739A Torsional spring retracting device |
| 06/12/2013 | CN202984529U Preparation tool of metal binding wires |
| 06/12/2013 | CN202984528U Spring winding device |
| 06/12/2013 | CN103143645A Manufacturing tooling of cloud-shaped torsion spring |
| 06/12/2013 | CN102389931B Winding port mould for winding technology for producing polytetrafluoroethylene hose pipe |
| 06/05/2013 | EP2599566A1 Apparatus for manufacturing coil spring |
| 06/05/2013 | CN202963318U Torsion machine |
| 06/05/2013 | CN202963317U Tooling bench device for winding furnace charge resistance wire |
| 06/05/2013 | CN103133582A Double-wire parallel-wound close-wound spring, manufacture method and manufacture device thereof |
| 06/05/2013 | CN103128200A Steel winding machine |
| 06/05/2013 | CN101856704B Spring production machine |
| 05/30/2013 | US20130133391 Coil-spring manufacturing apparatus |
| 05/29/2013 | CN103121069A Arc-shaped spring forming machine |
| 05/29/2013 | CN102274909B Polygonal spiral stirrup fabricating turntable |
| 05/22/2013 | CN202943197U Automatic control system of hot rolling spring machine |
| 05/08/2013 | CN202921838U Spring machine rotating core mechanism |
| 05/08/2013 | CN202921837U Spring machine knife holder slide block connection mechanism |
| 05/08/2013 | CN202921828U Spring machine core frame lifting device |
| 05/08/2013 | CN202921825U Tool for machining and manufacturing small-diameter spiral stirrup |
| 05/08/2013 | CN202921824U Spring machine knife holder transmission mechanism |
| 05/08/2013 | CN202921821U Bending mechanism of numerical control coil machine |
| 05/08/2013 | CN103084517A Wire winding wheel for S-type resistance wire winding platform |
| 05/08/2013 | CN102189201B Elbow spring processing process |
| 04/24/2013 | CN202905456U Dual-amorphous-alloy-strip constant-tension winding device |
| 04/24/2013 | CN202894143U Novel tension force synchronization adjustment winding machine |
| 04/24/2013 | CN202894142U Full-automatic wire-coiling machine |
| 04/24/2013 | CN103063071A Spring body for intensifying heat exchange and manufacturing method thereof |
| 04/24/2013 | CN103056247A Tire bead wire wrapping machine |
| 04/23/2013 | US8424352 Apparatus and method for manufacturing barrel coil spring |
| 04/17/2013 | CN202877447U Horse mouth ring winding machine |
| 04/17/2013 | CN202877446U Mattress spring reeling frame |
| 04/11/2013 | WO2013052806A1 Continuous wire coil and coiling method |
| 04/11/2013 | US20130089750 Continuous wire coil and coiling method |
| 04/11/2013 | US20130087106 Method for producing steam generator tubes |
| 04/10/2013 | EP2577160A2 Method for producing steam generator tubes |
| 04/10/2013 | EP2577159A2 Apparatus for producing inserts for steam generator tubes |
| 04/10/2013 | CN202871559U Four-dimensional forming die for manufacturing rolling iron core element of transformer and rolling iron core element |
| 04/10/2013 | CN202861281U Damping spring winding feeding disk device of refrigerator compressor inner ventilation pipe |
| 04/10/2013 | CN202861273U Wire-wrapping mechanism in wire-wrapping machine |
| 04/10/2013 | CN103037997A Apparatus for manufacturing coil spring |
| 04/03/2013 | CN202845663U Numerical control compressed spring machine |
| 03/27/2013 | EP2571450A1 Method for producing an orthodontic arch or retaining arch, device for performing said method, resulting orthodontic arch or retaining arch and orthodontic appliance comprising same |
| 03/27/2013 | CN103002829A Method for producing an orthodontic arch or retaining arch, device for performing said method, resulting orthodontic arch or retaining arch and orthodontic appliance comprising same |
| 03/20/2013 | CN202804028U Tubular heater wire winding processing device |
| 03/20/2013 | CN202804027U Clamping device of profiling rolling-up spring machine |
| 03/20/2013 | CN202804026U Reducing swing mechanism for spring machines |
| 03/20/2013 | CN202804025U Material clamping device of automatic hot coiling spring machine |
| 03/20/2013 | CN202804024U Profile modeling of hot rolling spring machine |
| 03/20/2013 | CN202804023U Hot rolling spring machine clamping device |
| 03/20/2013 | CN102974719A Screw pitch control mechanism of spring machine |
| 03/13/2013 | CN202779559U Winding machine applicable to winding of split type wire coil |
| 03/12/2013 | US8393191 Wire forming apparatus |
| 03/07/2013 | US20130060238 Electrically charged medical device |
| 03/06/2013 | CN202772748U Wire shearing and clamping device of full-automatic winding machine |
| 03/06/2013 | CN202762917U Spring machine core block compression mechanism |
| 03/06/2013 | CN202762916U Spring machine diameter changing mechanism |
| 03/06/2013 | CN102950225A Automatic winding and forming machine for heating wires |
| 02/28/2013 | US20130048141 Feeding wire-ends to processing units |
| 02/27/2013 | EP2561936A1 System for adjusting load characteristics of conical spring |
| 02/27/2013 | CN202752509U Adjustable spring tube machine |
| 02/27/2013 | CN202752508U Spring tube making machine |
| 02/27/2013 | CN202752507U Wire winding mechanism of wire winding machine of S-shaped electric heating fuse |
| 02/27/2013 | CN202752506U Drive handle of steel wire winding device |
| 02/27/2013 | CN202752505U Steel wire winding mould |
| 02/14/2013 | US20130036783 System for adjusting load characteristics of conical spring |
| 02/13/2013 | CN202725890U Producer for manufacturing lubricating oil test coil |
| 02/13/2013 | CN202725889U Filter pipe wire-winding machine |
| 02/13/2013 | CN202725888U Steel wire torsion machine with counter |
| 02/13/2013 | CN202725887U Special device for pull wire manufacture |
| 02/13/2013 | CN102933900A Device for producing fixture units for steam generator pipes |
| 02/13/2013 | CN102933899A Device for producing fixture units for steam generator pipes |
| 02/13/2013 | CN102930972A Four-dimensional forming die and method for manufacturing core of transformer by adopting die |
| 02/13/2013 | CN102921837A Synchronous tension adjustment winding machine |
| 02/12/2013 | US8371340 Edgewise winding method and edgewise winding apparatus |
| 02/12/2013 | US8371147 Apparatus and method for the manufacture of a spring unit |
| 02/12/2013 | CA2504527C Device and method to produce helical coils from a filament |