Patents for B21F 23 - Feeding wire in wire-working machines or apparatus (1,705)
03/2002
03/14/2002US20020029602 Apparatus for handling forging machines
02/2002
02/06/2002EP1177851A2 Loading device for metal wires and relative method
01/2002
01/23/2002CN2472842Y Rear outlet mechanism of forging piece forming machine
12/2001
12/05/2001EP0988121B1 Unwinding adjustment device for wire or materials containing several wires
10/2001
10/25/2001US20010032536 Cut-off mechanism for elongate stock
10/18/2001DE10048104A1 Reinforcing rod machining device has trimmed reinforcing rods separated into long and short sections by cutting device
10/18/2001DE10016036A1 Tube bending machine with feeder for bar-shaped work pieces has stair-like feeder elements with toothed recesses, magazine, holder, tube transfer part, and measuring/monitoring device
10/11/2001DE10015083C1 Wire capture device, for wire processing machine, has wire end braked and aligned by transport channel with direction reversal point and pivoted impact element
08/2001
08/16/2001EP1123174A1 Installation for separating elements from steel sections
07/2001
07/25/2001CN2439916Y Electrohydrolic numerically-controlled differential transmission stretching machine
06/2001
06/27/2001EP1110642A2 Feeder for longitudinal bars in the manufacture of welded laths
06/13/2001EP1106279A2 Wire-feeding apparatus
06/13/2001DE10060920A1 Method and device for loosening and isolating steel wires cut in lengths from a disorderly bundle of loose wires removes multiple wires out of a tangled bundle putting them in an intermediate position ready for an isolating device.
05/2001
05/31/2001WO2001038020A1 Method and device for handling wires
05/30/2001CN2431993Y Trimming non-eccentric machine head
05/29/2001US6237383 Unwinding adjustment device for wire or materials containing several wires
03/2001
03/01/2001WO2001014091A1 Installation for separating elements from steel sections
02/2001
02/13/2001US6186440 Wire guide nozzle, wire guide nozzle unit and detaching mechanism thereof
02/13/2001US6185981 Transmission control system for a wire forming machine
02/08/2001WO2001008831A1 An apparatus for rotating a horizontally disposed, cylindrical workpiece
01/2001
01/30/2001US6179191 Wire advancing apparatus and method
12/2000
12/20/2000EP1060041A1 Spring winding automatic machine
12/20/2000CN2411067Y Traction engine
12/20/2000CN1277080A Material feeding mechanism for forging forming machine
11/2000
11/28/2000US6151942 Spring manufacturing apparatus
11/07/2000US6142002 Spring manufacturing apparatus and tool selection apparatus
09/2000
09/20/2000EP1036609A1 Machine for cropping and press-forming material fed in wire form
09/13/2000EP1034861A2 Machine for cutting and press-forming material fed in the form of wire
08/2000
08/29/2000US6109499 Device for moving wire on machine tools
07/2000
07/04/2000US6082657 Wire-feeding device using logical circuitry and multiple sensors
07/04/2000US6082168 Apparatus for rotating a horizontally disposed, cylindrical workpiece
06/2000
06/28/2000EP1012100A1 Wire brake
06/21/2000EP1009559A1 Equipment for straightening, strain-hardening and subsequent machining of wire material
05/2000
05/16/2000US6062054 Spring forming apparatus
04/2000
04/20/2000DE19846716A1 Mechanical handling conveyor for elongated workpieces nails and screws has toothed belt advancing over curved rail
04/19/2000EP0669859B1 Bar introduction device
04/04/2000US6044682 Wire product manufacturing apparatus
03/2000
03/29/2000EP0988121A1 Unwinding adjustment device for wire or materials containing several wires
03/02/2000DE19938905A1 A wire spring manufacturing machine has a rotating turret holding several selectable forming tools with has numerically controlled movement in three axes
03/02/2000DE19938855A1 Spring prodn. system using wire emanating from end section of wire guide and coercive bending or coiling or winding of wire by tools in spring shaping chamber
02/2000
02/03/2000DE19846714C1 Conveyor for wire sections
02/01/2000CA2178194C Base curve bender
01/2000
01/26/2000EP0974412A2 Pivotable feeder for pivoting elongated workpieces transversally, in particular wire pieces
01/05/2000CN2356778Y Wire processing equipment with forced wire feeding roller
12/1999
12/28/1999US6006572 Spring manufacturing machine
11/1999
11/09/1999CA2049558C Fiber combiner
10/1999
10/21/1999DE19817415A1 System for collecting cut steel rods
10/20/1999EP0950446A2 Device for feeding wire in machine tools
08/1999
08/31/1999US5944065 For use with a wire cutting machine
08/10/1999US5934442 Process for separating wires of a wire bundle
08/04/1999EP0737116B1 Base curve bender
08/03/1999US5931484 Hand cart for transporting a roll of wire
07/1999
07/29/1999DE19802958A1 Wire grille manufacturing device for concrete reinforcing mats
07/22/1999DE19801943A1 Mesh welding machine longitudinal wire input process for making reinforcing mesh for ferroconcrete
07/21/1999EP0930112A2 Spring manufacturing machine
07/15/1999WO1999034943A1 Spring winding automatic machine
07/15/1999DE19800671A1 Federwindeautomat Spring Coiling Machine
05/1999
05/25/1999US5906128 Used for metal pieces for reinforcement purposes or metallic wire
04/1999
04/01/1999WO1999015452A1 Wire brake
03/1999
03/31/1999EP0674553B1 Automatic bar feeding device
03/11/1999DE19732955C1 Pick-up unit for wires in a grid welding machine
02/1999
02/02/1999US5865051 Procedure and apparatus for the optimized manufacture of coil springs on automatic spring winding machines
12/1998
12/30/1998CN2302070Y Feeding mechanism for improved spring-making machine
12/24/1998DE19725760A1 Spectacle-eye guiding wire during point-formation
12/23/1998EP0885163A1 Conveyor device
12/10/1998WO1998055247A1 Unwinding adjustment device for wire or materials containing several wires
12/10/1998DE19723635A1 Abspulrichter für draht- oder mehrdrahtförmiges Gut Abspulrichter for wire- or more filiform Good
12/10/1998CA2293616A1 Pay-off reel straightening apparatus for wire or multiple-strand wire material
12/08/1998US5845862 Mechanism for braking the unwinding of a bundle of metallic wire housed in a drum
11/1998
11/26/1998WO1998052810A1 Baling wire cart
11/24/1998US5839312 Spring manufacturing apparatus
10/1998
10/27/1998US5826472 Method and apparatus for processing a wire
10/13/1998US5819621 Electric cable guiding device
08/1998
08/20/1998WO1998035771A1 Equipment for straightening, strain-hardening and subsequent machining of wire material
08/20/1998DE19705945A1 Anlage zum Richten, Kaltverfestigen und anschließendem Bearbeiten von Drahtmaterial System for straightening, work hardening and subsequent processing of wire material
05/1998
05/27/1998EP0796158B1 Method and device for the optimized production of helical springs on automatic spring-winding machines
05/27/1998CN2282470Y Wire feeding equipment
05/12/1998CA2058804C Wire transport apparatus
04/1998
04/21/1998US5740689 Wheel spoke extrusion stretcher
04/07/1998US5735159 Assembly to expel bars
03/1998
03/17/1998US5727602 Wire guiding unit and wire cutting apparatus
03/12/1998DE19647441A1 Device for separating wires, etc. from wire bundle, etc.
03/10/1998US5724847 Integrated wire feed and draw apparatus
02/1998
02/26/1998DE19736468A1 Coil-spring winding production machine
02/25/1998EP0824982A1 Drawing assembly for bending machines
01/1998
01/29/1998DE19731941A1 Device for checking uncoiling movement of wire rolled up inside container esp. welding wire feed
12/1997
12/23/1997US5700126 Spool feeding method and spool feeder
12/23/1997US5699688 Feed control system
12/04/1997DE19722287A1 Integrated wire feed and drawing mechanism
12/03/1997EP0567565B1 Conveyor belt system and heater utilizing said system
11/1997
11/11/1997US5685186 Eyewinder
09/1997
09/24/1997EP0796158A1 Method and device for the optimized production of helical springs on automatic spring-winding machines
09/04/1997WO1997031851A1 Conveyor device
08/1997
08/20/1997EP0790086A2 Method and device for separating and further processing of metal bars
08/07/1997DE19650891A1 Applying identification marks to object
06/1997
06/25/1997EP0780174A1 Method to produce welded or electrically welded reinforcement and relative device
06/03/1997US5634385 Electric cable guiding device
05/1997
05/22/1997DE19542895A1 Wire and band drawing=in unit, especially for spring winding and coiling machines
04/1997
04/23/1997EP0769830A2 Method and apparatus for processing a wire
03/1997
03/12/1997EP0761341A1 Assembly to expel bars
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