| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 12/23/2009 | WO2009152707A1 Reinforcement binding machine |
| 12/23/2009 | CN201369650Y 3d bobbin bracket structure |
| 12/17/2009 | US20090308126 System for producing a helical stator |
| 12/16/2009 | CN201361667Y Wire twisting device and wire winding device |
| 12/09/2009 | CN101596569A Spring processing device and method |
| 12/03/2009 | US20090296746 Fiber laser coil form and related manufacturing techniques |
| 12/02/2009 | CN201353764Y Mechanical finger structure for digitized automatic spring coiling machine |
| 12/02/2009 | CN201353630Y Spring automatic cutting knife mechanism for automatic spring coiling machine |
| 12/02/2009 | CN201353629Y Servo control thread pitch forming mechanism for automatic spring coiling machine |
| 12/02/2009 | CN201353628Y Servo forming mechanism for automatic spring coiling machine |
| 12/02/2009 | CN201353627Y Torque force overload protection device for full automatic spring coiling machine |
| 12/02/2009 | CN100563912C Big linear diameter spring cold coiling processing technics |
| 12/02/2009 | CN100563867C Spring manufacturing machine for processing conjoined spring |
| 12/01/2009 | US7624768 Method and apparatus for forming a wire to include coil segments |
| 11/12/2009 | DE102008022119A1 Assembly for the production of coil springs has a press unit, with a swing arm and pressure pad, to lie against the spring in the grip arm |
| 11/11/2009 | EP2116388A1 Paper sheet handling device and coil forming device |
| 11/05/2009 | WO2009133259A1 Shaping station of a wire shaping machine with annular tool holder arm |
| 11/05/2009 | CA2719501A1 Shaping station of a wire shaping machine with annular tool holder arm |
| 11/03/2009 | US7610787 Spring manufacturing apparatus and control method thereof |
| 10/29/2009 | DE212007000091U1 Ununterbrochene, ineinander angeordnete Feder Continuous, arranged one inside the spring |
| 10/28/2009 | CN201333487Y Magnetic winding head for steel cord outer winding machine |
| 10/28/2009 | CN101564812A Spiral hoop reinforcement manufacturing machine |
| 10/21/2009 | CN101559463A Intelligent computerized numerical control (CNC) spring machine |
| 10/07/2009 | CN201320587Y Spring winding device with self-heating function |
| 09/30/2009 | CN101543947A Method for manufacturing spring of derrick centralizer |
| 09/24/2009 | US20090236005 Apparatus and method for forming wire loops for a dynamoelectric machine |
| 09/16/2009 | CN201308952Y Tooth-type fixing device of spring coiling machine |
| 09/16/2009 | CN101534976A Coil spring forming apparatus and coil spring |
| 09/16/2009 | CN101530889A Method and device for fully automatically producing bed core |
| 09/16/2009 | CN101530887A Automatic winding device of molybdenum filament hook for wire stretching machine |
| 09/16/2009 | CN101530886A Device for preventing torque force overload for full automatic spring coiling machine |
| 09/15/2009 | US7587921 Apparatus for the production of wire springs |
| 09/09/2009 | CN101524692A Spiral cleaning device of ultra violet lamp glass sleeve and manufacturing method thereof |
| 09/08/2009 | CA2464401C Multiple wire feed for spring coiling machine and method |
| 08/26/2009 | CN101513663A Tool for continuous coil reverse coiling of a vertical coiling machine and a coiling method thereof |
| 08/26/2009 | CN100531952C Three-axis computer numerical controlled spring pressuring machine |
| 08/18/2009 | US7574885 Method for the manufacturing of a fluid conduit, particularly a fluid conduit in a CO2 refrigeration system |
| 08/11/2009 | US7571630 Spring manufacturing apparatus |
| 08/05/2009 | EP2084983A2 Jewelry mandrel and method of using the same |
| 07/09/2009 | US20090177268 Radiopaque super-elastic intravascular stent |
| 07/09/2009 | US20090173126 Spring manufacturing apparatus |
| 07/08/2009 | CN201267852Y Machine for automatically winding spring line |
| 06/24/2009 | CN100503078C Winding technique for waist drum type spring |
| 06/18/2009 | US20090156999 Coil member for a medical device |
| 06/18/2009 | DE102007055759A1 Spiral structure i.e. spiral sliding band, for paper-making machine clothing, has filling element whose cross-sectional area is designed such that filling element in end condition reduces cross section of interior of spiral elements |
| 06/17/2009 | EP2069091A1 Apparatus for manufacturing coil spring |
| 06/17/2009 | CN101456053A Servo control pitch forming mechanism of automatic spring coiling machine |
| 06/17/2009 | CN101456052A Servo forming mechanism of automatic spring coiling machine |
| 06/10/2009 | CN100496797C Cleaning ball wiredrawing ball-making combined machine |
| 05/27/2009 | CN201244645Y Numerical control spring winding machine |
| 05/27/2009 | CN201244641Y Spring manufacturing machine for processing conjoined spring |
| 05/27/2009 | CN201244637Y Double cams of computer spring machine |
| 05/20/2009 | EP2060338A1 Apparatus and method for the manufacture of a spring unit |
| 05/14/2009 | US20090120153 Spring manufacturing apparatus |
| 05/06/2009 | CN101422804A Torsion machine |
| 04/29/2009 | CN100482405C Technique for fabricating planar whirl spring of flat wire in hard state |
| 04/22/2009 | CN201223916Y Rotary spring wire feeding apparatus of spring forming machine |
| 04/22/2009 | CN201223915Y Screw pitch external diameter holding mechanism of spring coiling machine |
| 04/22/2009 | CN201223914Y Coiler for spring forming machine |
| 04/22/2009 | CN201223913Y Winding gear for cleaning ball |
| 04/16/2009 | WO2009025487A3 Manufacturing of metal ring for pipe sealing and metal ring thereof |
| 04/15/2009 | CN201220260Y Wire coil of computer spring machine |
| 04/15/2009 | CN201220257Y Crank arm of computer spring machine |
| 04/02/2009 | DE10345445B4 Vorrichtung zur Fertigung einer Feder An apparatus for manufacturing a spring |
| 03/25/2009 | CN101394955A Three-dimensional complex coil |
| 03/18/2009 | CN201208637Y Wire-winding type computer spring machine |
| 03/03/2009 | CA2366385C A guidewire |
| 02/26/2009 | WO2009025487A2 Manufacturing of metal ring for pipe sealing and metal ring thereof |
| 02/25/2009 | EP1888270B1 Apparatus for the manufacture of a spring unit |
| 02/24/2009 | US7494084 Device and method to produce helical coils from a filament |
| 02/18/2009 | EP1372882B1 Cold head stamped fastener inserts including selectively removable tangs |
| 02/18/2009 | CN201195189Y Wire feeding mechanism for computer numerical control compression spring machine |
| 02/18/2009 | CN201195187Y Chordal pitch mechanism for computer numerical control compression spring machine |
| 02/18/2009 | CN201195186Y Cam mechanism for computer numerical control compression spring machine |
| 02/11/2009 | CN100460105C Anti-deforming arrangement of reinforcing wire case tension bourette |
| 02/04/2009 | CN100457317C Method for fabricating helical spring bunch, and fabricating equipment |
| 02/03/2009 | CA2413317C Laying head bearing with offset preloading |
| 01/29/2009 | WO2009013919A1 Method for manufacturing coil member and coil member |
| 01/29/2009 | DE102007013347B4 Federherstellungsvorrichtung zum Herstellen von Federn mit verschiedenen Formen Spring manufacturing apparatus for the manufacture of springs of different shapes |
| 01/28/2009 | CN100455375C Improved cutting and pushing device for spring forming machine |
| 01/14/2009 | CN101342564A Spring manufacturing machine for processing conjoined spring |
| 01/13/2009 | US7475843 Winding jig, polygonal coil, and method of manufacturing polygonal coil |
| 01/07/2009 | EP2011583A1 Wire forming machine |
| 01/07/2009 | CN201175759Y Automatic circular flange machine |
| 01/06/2009 | US7472859 Powered serving winder apparatus for manufacturing bowstring |
| 12/31/2008 | CN201172094Y Drive structure of spring forming machine |
| 12/24/2008 | CN201168757Y Novel double coil wire winder |
| 12/23/2008 | US7467760 Coil arrangement for radio-frequency identification devices, process and apparatus for making said arrangement |
| 12/23/2008 | US7467648 Coil forming and inserting device and coil forming and inserting method |
| 12/11/2008 | US20080302156 Helical part manufacturing apparatus and control method thereof |
| 12/11/2008 | US20080302155 Coil spring manufacturing machine |
| 12/11/2008 | DE102008002214A1 Vorrichtung zum Herstellen eines schraubenförmigen Teils und Steuerverfahren derselben Apparatus for producing a helical part and control method thereof |
| 12/02/2008 | US7458243 Spring winding machine and a method for controlling a spring winding machine |
| 11/27/2008 | WO2008143595A1 Uninterrupted, nested spring and its manufacture |
| 11/27/2008 | US20080289717 Fixing apparatus, image forming apparatus, wire winding apparatus and method for producing magnetic excitation coil |
| 11/20/2008 | US20080282759 Apparatus and Method for the Manufacture of a Spring Unit |
| 11/19/2008 | CN101306455A Novel cushion helical spring winding device |
| 11/18/2008 | US7451629 Spiral pipe machine |
| 10/30/2008 | US20080264132 Spring manufacturing machine |
| 10/23/2008 | US20080257003 Apparatus for the Production of Wire Springs |