| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 02/06/2013 | CN102909293A Fixture and method for winding rectangular-section wire torsional springs |
| 01/30/2013 | CN202701231U Processing equipment of electric reinforcing steel bar check ring |
| 01/30/2013 | CN202701221U Thread end cutting device of winding machine and automatic winding machine |
| 01/30/2013 | CN202701217U Spring steel bar bending device for building |
| 01/23/2013 | CN202683862U Protective winding machine |
| 01/23/2013 | CN202683861U Wire-drawing winder in automobile air conditioner controller |
| 01/23/2013 | CN202683860U Die for molding tension spring shackle |
| 01/23/2013 | CN202683547U Dust-removing type winding machine |
| 01/23/2013 | CN102886471A Heat gun shaping mechanism |
| 01/23/2013 | CN102886470A Method for manufacturing heating wire with automatic winding forming |
| 01/22/2013 | US8356766 Winder for rectangular cross-section wire |
| 01/16/2013 | CN202667507U Hot coiling spring machine |
| 01/16/2013 | CN202667506U Heating device for spiral winding machine |
| 01/16/2013 | CN102881443A Automatic feeding and discharging guide rail device |
| 01/09/2013 | CN202655521U Automatic coil winding machine |
| 01/09/2013 | CN202655520U Multifunctional steel bar bending device |
| 01/01/2013 | US8341993 Coil spring forming apparatus and coil spring formed thereby |
| 12/25/2012 | US8336353 Coil spring manufacturing machine |
| 12/20/2012 | WO2012139932A3 Method and spring machine for producing springs |
| 12/20/2012 | US20120318401 Apparatus and methods for bending wire |
| 12/13/2012 | US20120315107 Moldable wire thread insert, method for its production, component with a moldable wire thread insert as well as a method for its production |
| 12/13/2012 | US20120312413 Jewelry mandrel pliers and method of using same |
| 12/12/2012 | CN202591487U Flat wire spring molding device for automatic spring coiling machine |
| 12/12/2012 | CN202591486U Spring end part pointer |
| 12/12/2012 | CN102151771B Spring ring diameter servo control device of spring coiling machine |
| 12/05/2012 | CN202583789U Control system for steel cord outer coiling machine |
| 12/05/2012 | CN102811825A System for adjusting load characteristics of conical spring |
| 11/28/2012 | CN202555729U Forming tool clamp of arc-shaped spring |
| 11/28/2012 | CN202555728U Adjustable winding device for winding machine |
| 11/27/2012 | US8316679 Boronized laying pipe |
| 11/21/2012 | CN202539428U Manufacturing device for prestressed spiral ribs of bridges |
| 11/21/2012 | CN202539427U Coordinate system diameter shift mechanism of a coiling machine |
| 11/21/2012 | CN202539426U Novel composite winding equipment of wire saw |
| 11/21/2012 | CN102784856A Horizontal disc rounding machine |
| 11/21/2012 | CN102784855A Wire rod machine |
| 11/14/2012 | CN202527625U Core cutter of spring coiling machine and cutter displacement device |
| 11/14/2012 | CN102773382A Vertical type coiling machine |
| 11/13/2012 | US8307858 Method of making a decorative article |
| 11/13/2012 | US8307683 Apparatus for manufacturing coil spring |
| 11/08/2012 | DE102011100434A1 Windewerkzeug für Federwindemaschinen Winds tool for spring coiling machines |
| 11/07/2012 | EP2520384A1 Coiling tool for spring coiling machines |
| 11/07/2012 | CN202516985U Automatic control system of coiling welding machine |
| 11/07/2012 | CN202516984U Motion system of coil winding and welding machine |
| 11/07/2012 | CN102764831A Variable diameter swinging mechanism of spring machine |
| 11/07/2012 | CN102764830A Fully-automatic computerized winding machine |
| 11/06/2012 | US8302443 Spring manufacturing apparatus |
| 10/31/2012 | CN202506784U Automatic unwinding device for torsion machine |
| 10/31/2012 | CN202506781U Cylinder hooping rolling device |
| 10/31/2012 | CN102756053A Manufacturing method and equipment for cut metal wire with spiral wavy rotating bending parts |
| 10/31/2012 | CN102107252B Double-wire tube forming device |
| 10/24/2012 | CN102753280A Wire spring forming device |
| 10/18/2012 | WO2012139932A2 Method for producing springs and spring machine for carrying out the method |
| 10/11/2012 | WO2011151135A3 Method for producing steam generator tubes |
| 10/10/2012 | CN202479405U Core shaft of hot-rolled spring |
| 10/04/2012 | DE102008002214B4 Vorrichtung zum Herstellen eines schraubenförmigen Teils durch Zuführen eines Drahtes zu einem Werkzeug Apparatus for producing a helical part by feeding of a wire to a tool |
| 10/03/2012 | CN202461366U Automatic handle-reeling machine for acupuncture needle |
| 10/03/2012 | CN102699239A Thermoforming device of arc-shaped spring |
| 10/03/2012 | CN101869956B Method for manufacturing two-way threaded-insert type tension spring |
| 09/26/2012 | CN202447558U Forming device for lathe winding spring |
| 09/26/2012 | CN202447557U One-step molding mechanism for torsion spring |
| 09/12/2012 | CN202427868U Rotary wire-winding mechanism |
| 09/12/2012 | CN102660742A Method for chemically removing chrome layer of core rod |
| 09/05/2012 | EP2495055A1 Wire spring forming device |
| 09/05/2012 | CN102652980A Hot coiled spring machine |
| 08/29/2012 | CN202398743U Rectangular interlock type soft waveguide winding machine |
| 08/29/2012 | CN101513663B Tool for continuous coil reverse coiling of a vertical coiling machine and a coiling method thereof |
| 08/22/2012 | CN202387890U Device for increasing initial tension of coil spring |
| 08/22/2012 | CN202387882U Vertical moving mechanism of spring machine core knife |
| 08/15/2012 | CN202377441U Forming device for winding spring by lathe |
| 08/15/2012 | CN202377440U Coil device of olive-shaped spring |
| 08/15/2012 | CN202377439U Winding machine reset mechanism |
| 08/15/2012 | CN202377438U Transmission mechanism for winding machine |
| 08/08/2012 | CN202367115U Device for machining channeling strip for underground lapping tunnel networking |
| 08/08/2012 | CN202367114U Automatic spiral wire winding machine |
| 08/08/2012 | CN102626762A Automatic releasing device for torsion machine |
| 08/08/2012 | CN102626761A Torsion spring forming process |
| 08/08/2012 | CN102626760A Torsional spring forming device |
| 08/08/2012 | CN102626759A Moving device for core knife and cutter of spring coiling machine |
| 08/07/2012 | CA2668706C Coil spring forming apparatus and coil spring formed thereby |
| 08/02/2012 | WO2011151133A3 Apparatus for producing inserts for steam generator tubes |
| 07/25/2012 | CN202343814U Spiral reinforcement automatic winding machine |
| 07/25/2012 | CN102601275A Coordinate system diameter-changing mechanism of spring machine |
| 07/25/2012 | CN102601274A New composite wire saw winding equipment |
| 07/19/2012 | DE102011002730A1 Korrosionsbeständige Feder sowie Verfahren zum Herstellen derselben A corrosion-resistant spring and method for manufacturing the same |
| 07/18/2012 | CN202336554U 一种偏心驱动滑块机构 One kind of eccentric drive slider mechanism |
| 07/18/2012 | CN202336553U 一种t型滑动机构 One kind of t-type slide mechanism |
| 07/18/2012 | CN202336552U 全自动针灸针绕柄机 Automatic acupuncture needles around the shank machine |
| 07/18/2012 | CN102596538A Method and device for producing coils from wires |
| 07/18/2012 | CN102581177A Spring machining process |
| 07/18/2012 | CN101687247B Method for manufacturing coil member and coil member |
| 07/18/2012 | CN101394955B Three-dimensional complex coil |
| 07/11/2012 | CN202316860U 一种钢丝螺旋丝的制备装置 Preparation means a steel spiral wire |
| 07/11/2012 | CN202316859U 一种全自动弹簧机 A fully automatic spring machine |
| 07/04/2012 | CN202291167U 卵形截面弹簧成型机的送料装置 Oval cross section, the feed means of a spring forming machine |
| 07/04/2012 | CN202291158U 一种金属丝拉簧缠绕机 One metal strands spring winding machine |
| 07/04/2012 | CN202291157U 一种应用于绕丝机上的气动抽芯绕丝主轴装置 Applied to the filament winding machine pneumatic Pulling wire around the spindle apparatus |
| 07/04/2012 | CN202291156U 一种卷弹簧专用减速器 One kind of coil spring dedicated reducer |
| 07/04/2012 | CN202291155U 一种绕丝机 One kind of winding machine |
| 07/04/2012 | CN102527884A Spring winding device of lathe |
| 07/04/2012 | CN101786221B Method for processing arc spring |