Patents for B21F 1 - Bending wire other than coiling; Straightening wire (4,000)
06/1991
06/25/1991US5025651 Movable shears upstream of a bending assembly and method to bend the trailing end of bars
05/1991
05/14/1991US5014533 Wire processing machine
04/1991
04/24/1991EP0423592A1 Combined assembly to straighten and linearise sections
04/24/1991EP0423591A1 Device for the controlled and independent rocking of straightening and bending platforms
04/23/1991US5009097 Plant or apparatus utilizing a universal straightening-bending machine
04/21/1991CA2027877A1 Device for the controlled and independent rocking of straightening and bending platforms
04/18/1991CA2027662A1 Combined assembly to straighten and linearise sections
04/16/1991US5007269 Wire bending device
04/04/1991DE3931581A1 Performance improvement for stamping and shaping press - equalises energy losses by mechanically coupled masses
03/1991
03/27/1991EP0419441A1 Apparatus for bending concrete reinforcing bars
03/21/1991WO1991004113A1 Device for bending steel rods into concrete reinforcing irons
03/21/1991CA2042021A1 Device for bending steel rods into concrete reinforcing irons
03/06/1991CN2072451U Improved reinforcing bar bending machine
03/05/1991US4996866 Orientable bending assembly
02/1991
02/05/1991US4989429 Rocker bending unit
01/1991
01/24/1991DE3923857A1 Wire length cutting machine - has guide groove of adjustable cross=section and positionally adjustable stop
01/09/1991EP0406802A2 Device for forwarding material for material treating machines, in particular automatic punching or folding machines
01/02/1991CN2068433U Winding apparatus for joint of conducting wire
12/1990
12/18/1990US4977934 Multiple wire straightener module for an automated cable assembly system
12/13/1990DE3917763A1 Automatic mfr. of wire loops for PTC and NTC resistors - using top and bottom winding tools with transfer onto feed tape
12/05/1990CN2066775U Draw straightening machine for metal wire
11/1990
11/27/1990US4972698 Feed stock cutting and forming machine
11/21/1990CN2065959U Differential combined straightener cube
11/07/1990EP0396489A2 Additional bender of metal wire working machines for creation of three dimensional shapes (Forms)
10/1990
10/31/1990DE4012970A1 Bending machine for iron wire for reinforced concrete - has wire fed over bending mandrel by roller linked directly to motor or via endless belt to powered roller
10/04/1990DE3910221A1 Richtmaschine fuer draht, insbesondere fuer betonstahldraht Straightening machine for wire, especially for concrete steel wire
09/1990
09/12/1990EP0386457A1 Orientable bending assembly
09/12/1990EP0386456A1 Shears unit
09/12/1990EP0386046A1 Drive module for tool aggregates
09/06/1990CA2011331A1 Orientable bending assembly
09/06/1990CA2011330A1 Shears unit
08/1990
08/21/1990US4949567 Apparatus and method for control of wire cast and helix
08/14/1990US4947670 Universal automatic spring-making machine
08/08/1990EP0381025A1 Method and apparatus for the cold deformation of ferrous and non-ferrous metal sections by spatial coil roll bending
07/1990
07/25/1990EP0379030A1 Movable shears upstream of a bending assembly and method to bend the trailing end of bars
07/25/1990EP0379029A1 Rocker bending unit
07/19/1990DE3900734A1 Apparatus for straightening and cutting off round wire or the like
07/18/1990CA2007982A1 Rocker bending unit
06/1990
06/27/1990EP0374465A1 Plant or apparatus utilizing a universal straightening-bending machine
06/05/1990US4930329 Installation for producing metal girders
05/1990
05/23/1990CA2002431A1 Plant or apparatus utilizing a universal straightening-bending machine
05/09/1990CN2056876U Wire stock straightener
05/09/1990CN2056875U Hydraulic bender for reinforcing bar
05/02/1990CN2056618U Shaping machine for steel bar
05/01/1990US4920779 Bending apparatus
05/01/1990US4920776 Process and apparatus for the intermittent straightening of wire
02/1990
02/21/1990CN2053119U Bender for reinforced bar
02/20/1990US4901774 Apparatus for making fishing lures
02/06/1990US4898317 Welding wire straightening device and welding torch
01/1990
01/30/1990US4896703 Device for forming hangwires
01/16/1990US4893463 Prickle chain device and method of production thereof
01/02/1990US4890469 Bending machine for bending bars, channels, sections and the like
12/1989
12/20/1989CN1006122B Method and apparatus for forming sinuous lead wire
12/12/1989CA1263897A1 Lead straightening of leaded packaged electronic components
12/06/1989CN2048791U Automatic test controller of straightener
11/1989
11/29/1989EP0343199A1 Automatic frame bending machine for bending of steel rod or strip, process and device for producing spring cores for mattresses and upholstered furniture
10/1989
10/31/1989US4876873 Antirotation method to straighten sections and antirotation straightening machine which employs such method
10/11/1989CN2045675U Motorized winding polylateral spiral hoop forming machine
10/04/1989CN2045337U Bending and cutting machine for reinforcing steel
10/04/1989CN2045336U Special-purpose equipment for making polygon spiral hoop
09/1989
09/20/1989EP0333695A2 Apparatus for removing wire straps from a strap-bending machine
09/07/1989DE3806722A1 Ring-bending pliers
09/05/1989US4862717 Punch-bending machine for wires or strips
07/1989
07/19/1989CN2041214U Rolling mill for square linear stock
07/04/1989US4843861 Bending machines
06/1989
06/28/1989CN2040012U Rolling-pulley type straightening machine for disc-section wire steel
06/20/1989CA1255999A1 Apparatus for forming a bulge in a stranded steel wire cable
05/1989
05/31/1989CN2038425U Electric driven hydraulic machine for bending reinforcing bar
05/30/1989US4833778 Wire processing apparatus and method
05/23/1989CA1254487A1 Disc roller mechanism and method for forming helical shapes
05/18/1989WO1989002323A3 Automatic frame bending machine for bending of steel rod or strip, process and device for producing spring cores for mattresses and upholstered furniture
05/16/1989US4829801 Cable straightening apparatus
05/05/1989WO1989003747A1 Drive module for tool aggregates
05/03/1989EP0313769A2 Method and apparatus for the intermittent straightening of wires
05/03/1989DE3735493A1 Werkzeugaggregat Tool unit
05/02/1989US4825678 Three-dimensional bending apparatus
04/1989
04/26/1989CN2036457U Bender and cutter
04/18/1989CA1252706A1 Bending apparatus
04/04/1989CA1252030A1 Improved automated machine for bending thin and straight elements, e.g. metal wires, into spatial configurations
03/1989
03/23/1989WO1989002323A2 Automatic frame bending machine for bending of steel rod or strip, process and device for producing spring cores for mattresses and upholstered furniture
03/15/1989EP0307062A2 Automatic frame bending machine for bending steel rods or strips, and method and apparatus for making spring cores for mattresses or upholstered furniture
02/1989
02/22/1989CN2032918U Reinforcement bending machine
02/01/1989EP0301972A1 Wire bending machine and method of its control
01/1989
01/25/1989EP0300517A2 Machine for shaping undulations in resistance wire
01/25/1989CN2031319U Reinforcement stirrup bending machine
01/24/1989US4799373 For bending wire, tubing, or other elongate material
01/18/1989EP0299857A2 Machine for bending wires
01/17/1989US4798073 Bending machine for bending bars, channels, sections and the like
01/11/1989CN2030515U Threaded reinforcing bar straightener
12/1988
12/27/1988US4793171 Multi-slide wire and strip forming machine
12/07/1988CN87203684U Reinforcing bar ring bender
11/1988
11/08/1988US4782684 Bending machine
11/02/1988EP0289166A2 Lead straightening for leaded packaged electronic components
10/1988
10/19/1988EP0287494A2 Wire processing machine
10/04/1988US4774824 Apparatus for straightening self-hardening hot-rolled wires and for feeding them to a consumer
09/1988
09/27/1988US4773250 Module-type forming machine
09/27/1988US4773247 Apparatus for forming a bulge in a stranded steel wire cable
09/13/1988US4770016 Method of wire straightening and a wire straightening machine for carrying out the method
08/1988
08/24/1988CN86210259U Hoop with 135 deg. angle working device
08/23/1988US4765376 Lead straightening for leaded packaged electronic components
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