| Patents for B21F 3 - Coiling wire into particular forms (1,688) |
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| 08/15/2007 | CN2933646Y Equipment for manufacturing glass-fibre arrangement steel wire |
| 08/02/2007 | US20070175536 Three-Dimensional Complex Coil |
| 07/19/2007 | US20070163668 Method of forming a non-circular stent |
| 07/18/2007 | CN2923102Y Control mechanism for fully-automatic wire feeding of spring winder |
| 07/18/2007 | CN2923100Y Automatic braking device for broken-wire of cleaning ball machine |
| 07/18/2007 | CN2923099Y Control structure of outer diameter of pressure spring machine |
| 07/05/2007 | CA2630021A1 Three-dimensional complex coil |
| 07/04/2007 | CN2919321Y Electric control device of automatic spring coiling machine |
| 07/04/2007 | CN2919317Y Twister control mechanism |
| 06/27/2007 | CN2915318Y Winding machine for making spiral needle |
| 06/27/2007 | CN1986107A Improved cutting and pushing device for spring forming machine |
| 06/20/2007 | CN1321758C Fully-automatic metal-wire cleaning-ball working machine |
| 05/31/2007 | WO2007038238A3 Lightweight radiation absorbing shield |
| 05/16/2007 | EP1784267A2 Stent and method for manufacturing the stent |
| 05/09/2007 | CN2897487Y Computer servo multi-axis disc torsional spring coiler |
| 05/09/2007 | CN1958188A Method for fabricating helical spring bunch, and fabricating equipment |
| 05/02/2007 | CN2894890Y Semiautomatic spring coiling machine |
| 04/26/2007 | WO2007046502A1 Cable hanger production system and production method |
| 04/25/2007 | CN2892319Y Feeding pressing mechanism of spring coiling machine |
| 04/25/2007 | CN1311931C Multiple wire feed for spring coiling machine and method |
| 04/12/2007 | US20070079642 Rectangular wire coiling machine |
| 04/12/2007 | DE102005050008A1 Device for winding coil springs has a spindle with rotatable winding shaft which is clamped the wire at end of spindle, a feed mechanism guiding the wire along the shaft winding spool rotatable about longitudinal and perpendicular thereto |
| 04/10/2007 | US7201344 Multilayer coil, winding method of same, and winding apparatus of same |
| 04/05/2007 | US20070074792 Method for producing helical springs or stabilizers |
| 04/03/2007 | US7198187 Spring manufacturing machine |
| 04/03/2007 | US7198068 Cassette pigtailing machine for a coil spring |
| 03/28/2007 | CN2882844Y Multistrand spring winding machine |
| 03/21/2007 | CN2880315Y Knotting barrel position regulating apparatus for full automatic spring coiling machine |
| 03/14/2007 | CN2877917Y Wire helix curler |
| 03/08/2007 | US20070054037 Electrically conductive elastic composite yarn, methods for making the same, and articles incorporating the same |
| 03/07/2007 | CN1302871C Method of manufacturing a coil spring having an oblique and straight axial line |
| 02/28/2007 | EP1755806A1 Apparatus for the production of wire springs |
| 02/28/2007 | EP1439924B1 Apparatus for making mattress and upholstery spring coils and method |
| 02/28/2007 | CN2873357Y Overload protecting mechanism for full automatic spring coiling machine |
| 02/15/2007 | WO2006114624A3 Apparatus and method for the manufacture of a spring unit |
| 01/24/2007 | EP1461172B1 Two wire spring making machine and method |
| 01/24/2007 | CN1899721A Full function spring press |
| 01/17/2007 | CN2858108Y Line-spring manufacture machine |
| 12/27/2006 | CN2850756Y Spring clamping and knotting device for automatic spring coiling machine |
| 12/27/2006 | CN2850755Y Solder wire winding machine |
| 12/21/2006 | US20060283226 Spring manufacturing apparatus |
| 12/20/2006 | CN2848413Y Steel wire cutting device of full automatic spring coiling machine |
| 12/20/2006 | CN2848412Y Spring knotting mechanism of full automatic spring coiling machine |
| 12/20/2006 | CN2848411Y Knotting spring clamping mechanism of full automatic spring coiling machine |
| 12/20/2006 | CN2848410Y Spring beating device of full automatic spring coiling machine |
| 12/06/2006 | CN2843658Y Digit-controlled filter-core winder |
| 12/05/2006 | US7143620 Spring manufacturing apparatus and driving force transmitting component mounted on the apparatus |
| 12/05/2006 | US7143571 Method of forming chain links |
| 12/05/2006 | CA2318388C Spring winding automatic machine |
| 11/29/2006 | EP1726379A1 Spiral cramp iron bender |
| 11/29/2006 | CN2841191Y Stringed spring micro-regulation mechanism for automatic net-stringing machine |
| 11/29/2006 | CN2841186Y Decoration ring-spring automatic winding machine |
| 11/29/2006 | CN2841185Y Composite cantilever winding-machine structure |
| 11/22/2006 | CN1285430C Two wire spring making machine and method |
| 11/15/2006 | CN1863618A Method and system of production of springs from wire of circular or other cross-sectional area |
| 11/15/2006 | CN1863617A Methods for manufacturing coil springs |
| 11/14/2006 | CA2320527C Coil winding machine |
| 11/08/2006 | CN2834733Y Double-wire ring automatic forming machine |
| 11/02/2006 | WO2006114624A2 Apparatus and method for the manufacture of a spring unit |
| 10/19/2006 | US20060230803 Spring winding machine and a method for controlling a spring winding machine |
| 10/19/2006 | US20060230604 Coil forming and inserting device and coil forming and inserting method |
| 10/18/2006 | CN2827583Y Helical hooping bending making machine |
| 10/10/2006 | US7117703 Wire-stranded hollow coil body, a medical equipment made therefrom and a method of making the same |
| 10/05/2006 | WO2006102735A1 Rectangular wire coiling machine |
| 10/05/2006 | CA2602915A1 Rectangular wire coiling machine |
| 09/27/2006 | EP1337357B1 Coil head formation die for coils with non-conventional terminal convolutions and coil formation device |
| 09/19/2006 | US7107806 Spring manufacturing machine |
| 09/13/2006 | CN2815545Y Fully-automatic metal wire cleaning ball manufacturing machine |
| 09/13/2006 | CN1274970C Hinge head bearing for offsetting preload |
| 09/07/2006 | US20060196242 Wire rod cutting apparatus of spring manufacturing machine |
| 08/23/2006 | CN2808354Y Tri-axis vertical torsion spring coiling machine |
| 08/16/2006 | EP1689541A1 Method and system of production of springs from wire of circular or other cross-sectional area |
| 08/08/2006 | US7086783 Laying head bearing with offset preloading |
| 08/02/2006 | CN1267942C Electric coil winding manufacture method and apparatus |
| 08/01/2006 | US7082797 Coiling point tool for spring coiling machine, and method of using same |
| 07/27/2006 | DE202006006648U1 Korbwickler für Metalldraht Korbwickler for metal wire |
| 07/26/2006 | EP1682290A1 Method for manufacturing coil springs |
| 07/26/2006 | CN2799123Y Electric pitch adjustment base of spring coiling machine |
| 07/25/2006 | US7080537 Spring manufacturing machine |
| 07/20/2006 | US20060156534 Method of manufacturing an instant topiary frame apparatus |
| 07/19/2006 | CN2796887Y Mechanical hand gripping mechanism of full antomatic spring coiling machine |
| 07/13/2006 | US20060151656 Systems and methods for making pipe liners |
| 07/06/2006 | US20060149359 Stent |
| 06/29/2006 | DE10134826B4 Drahtzuführung in einer Federherstellvorrichtung Wire feed in a Federherstellvorrichtung |
| 06/29/2006 | DE10113208B4 Biegsame Welle zur Übertragung von Drehbewegung Flexible shaft for transmitting rotary motion |
| 06/28/2006 | CN1792495A Clamping knotter for spring of fully automatic spring coiling machine |
| 06/21/2006 | CN1788879A Knotting spring clamping mechanism of full-automatic spring-coiling machine |
| 06/14/2006 | CN2787332Y Material-feeding mechanism with automatic protection function for overloading |
| 06/14/2006 | CN2787330Y Spring winding mechanism |
| 06/14/2006 | CN1787889A Spring winding machine and method for controlling a spring winding machine |
| 06/14/2006 | CN1785549A Steel wire cutting device of full automatic spring coiling machine |
| 06/14/2006 | CN1785548A Spring knotting mechanism of full automatic spring coiling machine |
| 06/14/2006 | CN1785547A Spring beating device of full automatic spring coiling machine |
| 06/07/2006 | EP1177056A4 Coil spring forming and conveying assembly |
| 06/06/2006 | US7055356 Wire rod cutting apparatus of spring manufacturing machine |
| 06/06/2006 | US7055244 winding a wire into a coil spring formed of a plurality of rings wherein having a constant strain rate; forming speed controlled so that minimum work hardening occurs and dynamic strain aging is reduced |
| 05/30/2006 | US7051770 Coil-winding method and coil unit formed by the method |
| 05/16/2006 | US7043951 Wire rod-forming machine |
| 05/10/2006 | CN1771342A Method for producing helical springs or stabilisers. |
| 04/25/2006 | US7033386 Stent |