Patents for B21F 3 - Coiling wire into particular forms (1,688)
04/2006
04/25/2006US7032627 Wire forming tool
04/19/2006CN2772676Y Manipulator of automatic spring winder
04/11/2006US7024901 Wire spring forming apparatus
03/2006
03/29/2006CN2767007Y Rotating filament winder of spiral hoop
03/29/2006CN1247344C Wire spring shaping apparatus
03/28/2006US7017851 Coil bobbin structure
03/23/2006US20060060266 Stent and method for manufacturing the stent
03/09/2006WO2006026777A2 Stent and method for manufacturing the stent
03/09/2006CA2578526A1 Stent and method for manufacturing the stent
02/2006
02/15/2006CN2757967Y Coiling mould of conjoined tension spring
02/08/2006EP1622732A1 Spring winding machine and method for controlling a spring winding machine
02/07/2006US6993896 Method of forming chain links
02/01/2006CN1239314C Double-pulling double-ring winding machine set of tyre multikind cross section steel wire ring
01/2006
01/17/2006US6986203 Manufacturing method for a composite coil spring
01/11/2006EP1613449A2 Method for producing helical springs or stabilisers
12/2005
12/29/2005WO2005123299A1 Apparatus for the production of wire springs
12/21/2005CN1709610A Fully-automatic metal-wire cleaning-ball working machine
12/15/2005DE10134828B4 Federherstellvorrichtung zum Herstellen von Federn mit verschiedenen Formen Federherstellvorrichtung for the manufacture of springs with different shapes
12/14/2005EP1429978A4 Conveyance system for interface with component production and assembly equipment
12/07/2005CN1230267C Coil spring and coil spring head formation dies
11/2005
11/30/2005EP1461172A4 Two wire spring making machine and method
11/30/2005EP1439924A4 Multiple wire feed for spring coiling machine and method
11/30/2005CN1703290A Multiple wire feed for spring coiling machine and method
11/24/2005DE102004021776A1 Vorrichtung und Verfahren zur Bildung von Wendeln aus einem Faden Apparatus and method for forming coils of a thread
11/17/2005US20050253014 Device and method to produce helical coils from a filament
11/10/2005DE102005019271A1 Statorspule mit konzentrierter Wicklung für eine rotierende elektrische Maschine With concentrated winding stator coil for a rotary electric machine
10/2005
10/30/2005CA2504527A1 Device and method to produce helical coils from a filament
10/27/2005US20050236921 Concentrated winding stator coil for an electric rotary machine
10/26/2005EP1588787A1 Method and system for obtaining a bundle of wires containing a given number of wires and, more particularly, a bundle of crimped wires
10/26/2005CN1224564C Automatic rolling machine for heating wire
10/20/2005US20050229390 Method and system for obtaining a bundle of wires containing a given number of wires and, more particularly, a bundle of crimped wires
10/12/2005EP1584446A1 Winding device and process for producing spiral elements made of synthetic filaments
10/06/2005US20050218559 Winding apparatus and method for production of helixes from a plastic filament
10/04/2005US6951160 Cutting device for spring manufacturing machines
09/2005
09/22/2005US20050204794 Method for producing an end lug of a spring member formed of a strand of wire, and apparatus for manufacturing same
09/22/2005DE102004005427B3 Wire guide device, e.g. for making springs, has axes guided in long holes, longitudinal center lines of which are not parallel to each other
09/21/2005EP1577033A1 Method of manufacturing an eyelet at the end of a spring body formed of wire and corresponding device
09/07/2005CN2723074Y Parallel double torsional spring winder
08/2005
08/16/2005US6928846 Method of manufacturing a coil spring having an oblique and straight axial line
08/03/2005CN2714200Y Winding machine with multiple standard filtering core
08/03/2005CN2714199Y Wire swinging machine for continuously casting and rolling aluminium copper rod
08/02/2005US6923034 Wire spring forming apparatus
08/02/2005US6922895 Apparatus for the production of pocketed coil springs
07/2005
07/28/2005US20050161549 Coil winding machine
07/27/2005EP1557227A1 Device for the manufacture of helical springs for use in beddings having independent movements
06/2005
06/28/2005US6910360 Multiple wire feed for spring coiling machine and method
06/15/2005CN1206049C Milling-rotating formation machine for spiral steel fiber
05/2005
05/25/2005DE19542895B4 Draht- und Bandeinzugseinrichtung Wire and strip intake device
05/11/2005CN2698494Y Spring winding machine used in a spiral pipe
04/2005
04/28/2005WO2004087367A3 Method for producing helical springs or stabilisers
04/27/2005CN1610585A Two wire spring making machine and method
04/27/2005CN1198752C Automatic multiple winder
04/07/2005WO2005030411A1 Method and system of production of springs from wire of circular or other cross-sectional area
04/07/2005DE102004042370A1 Spring measurement method, takes image of spring on winding machine and compares it with reference image to measure and classify spring
03/2005
03/31/2005WO2005028139A1 Methods for manufacturing coil springs
03/31/2005CA2538985A1 Methods for manufacturing coil springs
03/17/2005US20050056066 Methods for manufacturing coil springs
03/16/2005EP1337357A4 Coil and coil-head formation dies for coils with non-conventional terminal convolutions
03/09/2005CN2683280Y Shaping arrangement for twist steel wire
03/09/2005CN2683279Y Steel wire bending forming machine
03/03/2005US20050045241 Cassette pigtailing machine for a coil spring
03/03/2005US20050044914 Movable mounting bed apparatus of spring forming machine
03/02/2005EP1510270A1 Casette pigtailing machine for a coil spring
02/2005
02/16/2005CN1189264C Eccentric flexible directly driving screw winder without belt driving
02/03/2005US20050023317 Spring manufacturing machine
01/2005
01/27/2005US20050016348 Cutting device for spring manufacturing machines
01/27/2005US20050016347 Wire rod cutting apparatus of spring manufacturing machine
01/11/2005US6840728 Cold head stamped fastener inserts including marking indicia
01/05/2005CN1559789A Double-pulling double-ring winding machine set of tyre multikind cross section steel wire ring
01/04/2005US6836964 Method and apparatus for producing a helical spring
12/2004
12/30/2004DE19938905B4 Vorrichtung zur Herstellung einer Feder Apparatus for manufacturing a spring
12/22/2004CN2664812Y Multitime bending machine
11/2004
11/25/2004WO2004101193A1 Spring winding machine and method for controlling a spring winding machine
11/16/2004US6817220 Mold head device of spring forming machine
11/02/2004CA2157936C Stent
10/2004
10/28/2004US20040211236 Wire spring forming apparatus
10/20/2004CN1537687A Ring-shaped reinforced bar skeleton frame machine
10/14/2004WO2004087367A2 Method for producing helical springs or stabilisers
10/14/2004CA2519764A1 Method for producing helical springs or stabilisers
10/07/2004US20040194525 Spring manufacturing machine
09/2004
09/29/2004EP1461172A1 Two wire spring making machine and method
09/29/2004CN1168587C Screw roll fixed pitch stretching device
09/23/2004DE10345445A1 Coil spring manufacturing control system, uses video camera to take images of spring and computer to analyze images and compare real spring measurements with reference
09/08/2004CN1165485C Apparatus for the production of pocketed coil springs
08/2004
08/26/2004DE19938855B4 Vorrichtung zur Herstellung einer Feder Apparatus for manufacturing a spring
08/18/2004CN1520949A Line spring shaping device
08/12/2004US20040154365 Spring manufacturing machine
08/05/2004US20040148993 Wire rod-forming machine
07/2004
07/28/2004EP1439924A1 Multiple wire feed for spring coiling machine and method
07/22/2004DE202004003724U1 Spring for brake pedal travel simulator particularly for brake-by-wire vehicle brakes has initial tapered section terminating in a cylindrical section
07/07/2004CN2623377Y Diameter adjusting mechanism of an automatic spring coiling machine
07/07/2004CN2623376Y Signal releasing device of an automatic spring coiling machine
07/06/2004US6758079 Coil spring forming machine
07/01/2004DE19825970B4 Vorrichtung zur Herstellung einer Feder Apparatus for manufacturing a spring
06/2004
06/23/2004EP1429978A2 Conveyance system for interface with component production and assembly equipment
06/23/2004CN1506178A Wire forming machinery
06/22/2004US6752343 Winding fabrication method and apparatus for electric coils
05/2004
05/27/2004US20040099031 Mold head device of spring forming machine
05/20/2004US20040098102 Stent
05/20/2004US20040093973 Ball screw
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