Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21F - Working or processing of wire › B21F 33 - Tools or devices specially designed for handling or processing wire fabrics or the like
Patents for B21F 33 - Tools or devices specially designed for handling or processing wire fabrics or the like (522)
10/1990
10/10/1990EP0391114A1 Device for punching out and forming butterfly-clamps from steel strip
07/1990
07/17/1990US4942519 Coprocessor having a slave processor capable of checking address mapping
04/1990
04/18/1990CN2056100U Press-formed braider for reinforced sealing strip of vehicle
03/1990
03/27/1990US4910851 Device in a clamping machine
03/13/1990US4907327 Device for automatically securing a borderwire on a mattress innerspring
01/1990
01/18/1990DE3823857A1 Apparatus for removing reinforcement mats
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
11/21/1989CA1263070A1 Machine for production of coil springs
11/09/1989DE3911650A1 Method for mechanically stacking welded wire meshes and device for carrying out the method
09/1989
09/20/1989EP0333631A1 Stacking machine for construction steel mats
09/08/1989WO1989007994A1 Apparatus for manufacturing combined springs
08/1989
08/30/1989EP0330143A2 Apparatus and method for automatically securing borderwires on mattress innersprings
08/15/1989US4856171 Method for applying a fabric material to a frame
07/1989
07/11/1989US4845824 Clip-clinching device for a coil-spring unit of a mattress
05/1989
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
05/16/1989US4829643 Apparatus and method for automatically securing borderwires on mattress innersprings
05/02/1989US4826032 Basket made of metal wire mesh; a piece of wire mesh and a mesh strip comprising such wire mesh pieces
04/1989
04/04/1989CA1252030A1 Improved automated machine for bending thin and straight elements, e.g. metal wires, into spatial configurations
03/1989
03/28/1989US4815182 Apparatus and method for automatically securing borderwires on mattress innersprings
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
01/1989
01/11/1989EP0298081A1 Device in a clamping machine.
12/1988
12/21/1988EP0295448A1 Stacking machine for wire mesh
12/20/1988CA1246963A1 Apparatus for mounting tension springs automatically
08/1988
08/30/1988US4766661 Apparatus for applying a fabric material to a frame
08/30/1988US4766625 Box spring having rows of coil springs formed from a single length of wire
08/30/1988US4766624 Mattress assembly having rows of coil springs formed from a single continuous length of wire
05/1988
05/17/1988US4744456 Apparatus for the orientated supply of helical springs to a working station
04/1988
04/05/1988CA1234685A1 Method and apparatus for manufacturing innerspring constructions
02/1988
02/16/1988US4724590 Apparatus and method for automatically securing borderwires on mattress innersprings
12/1987
12/09/1987EP0248661A1 Apparatus for use in making spring units
11/1987
11/10/1987US4705079 Bedding coil spring unit and assembly method
10/1987
10/15/1987DE3623209C1 Spring core mfg. for furniture - inserts non-treated coil springs and carries out thermal treatment in heated atmos. for 10 minutes
10/14/1987EP0241052A1 Method for manufacturing metal wire netting
09/1987
09/11/1987WO1987005250A1 Device in a clamping machine
08/1987
08/18/1987US4686753 Coil spring assembly machine
08/05/1987EP0230664A2 Master slave microprocessor system with virtual memory
07/1987
07/28/1987US4682394 Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same
05/1987
05/27/1987EP0223274A1 Basket made of metal wire mesh; a piece of wire mesh and a mesh strip comprising such wire mesh pieces
04/1987
04/07/1987US4655069 Automatic machine for curving thin and rectilinear elements, such as metal wires
03/1987
03/31/1987US4653185 Apparatus for mounting tension springs automatically
03/04/1987EP0212164A1 Device for the aligned supply of helicoidal springs to a work station
02/1987
02/03/1987US4639957 Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same
12/1986
12/02/1986US4625349 Bedding coil spring unit and assembly method
11/1986
11/26/1986CN85104118A Assembling method and its machine of three dimensional metal frame, and each kind of frame obtained with this method
10/1986
10/22/1986CN85202127U Weaving spindle with steel strip
09/1986
09/16/1986US4611640 Coil spring assembly apparatus
06/1986
06/10/1986US4593809 Coil spring assembly machine
06/10/1986US4593726 Coil spring assembly machine
11/1985
11/19/1985US4553572 Coil spring assembly machine
11/19/1985US4553324 Coil spring assembly machine
11/06/1985EP0160174A2 Machine for making helical springs
10/1985
10/22/1985US4548241 Coil spring assembly machine
06/1985
06/25/1985US4524596 Method of forming and feeding torsion springs
06/11/1985US4522345 Apparatus for winding wire net with simple twist
05/1985
05/15/1985EP0141745A1 Automatic machine for bending thin and rectilinear elements, especially metal wire, into a spatial configuration
05/09/1985WO1985001898A1 Improved automatic machine to camber with a spatial configuration thin and rectilinear elements, particularly metal wires
04/1985
04/30/1985US4513924 Process and apparatus for producing rolls of wire netting
01/1985
01/08/1985USRE31795 Apparatus for rolling chain link fence
01/08/1985US4492298 Coil spring assembly machine
12/1984
12/12/1984EP0127798A2 Method for making freezer baskets
10/1984
10/16/1984US4476702 Apparatus for measuring and regulating the position of a wire end of a spiral spring in a coiling machine
09/1984
09/25/1984US4472849 Bedspring assembly with novel border wire and method of forming the latter
05/1984
05/22/1984CA1167823A1 Spooling device for single twist netting
05/01/1984US4445547 Lacing wire stop mechanism for a coil spring assembly machine
11/1983
11/23/1983EP0094929A1 Method and cutting apparatus for subdividing into trellis mats a trellis web consisting of longitudinal wires and rectangularly traversing cross wires
11/08/1983US4413659 Apparatus for feeding spiral wire springs from coiling machines to a spring core assembly machine
09/1983
09/28/1983EP0089945A1 Method of making and stacking reinforcement mats for armoured concrete
09/27/1983US4406391 System for accumulating and handling strips of pocketed springs
08/1983
08/10/1983EP0085179A2 Apparatus for winding quadrangular wire-mesh
06/1983
06/21/1983US4389025 Apparatus for winding wire net with simple twist
06/07/1983US4386704 Method of forming packs of rolls of metal wire netting
02/1983
02/09/1983EP0071537A1 Machine for slitting a continual flat product, such as a welded metal wire trellice
01/1983
01/18/1983US4368761 Centering device for a spring core mounting machine
10/1982
10/12/1982US4353512 Apparatus for rolling chain link fence
07/1982
07/13/1982CA1127780A1 Pocketed spring assembly
12/1981
12/30/1981EP0042833A1 Stacking apparatus for mesh mats
12/30/1981EP0042652A1 Process for forming bundles of rolls of wire netting
11/1981
11/10/1981US4299523 Machine for stacking mesh grids with alternate grids rotated through 180°
10/1981
10/20/1981US4295639 Coil spring assembly and forming method
08/1981
08/04/1981US4281961 Coil transfer apparatus
07/1981
07/01/1981EP0031286A1 Apparatus for winding quadrangular wire-mesh
05/1981
05/26/1981US4269300 Method and apparatus for separating helical springs closed by knots at their winding ends
02/1981
02/10/1981US4249359 Apparatus for the coiling of wire-mesh webs, especially chain-link fencing, into compact rolls
01/1981
01/27/1981CA1094524A1 Method of and apparatus for the coiling of wire-mesh webs, especially chain-link fencing into compact rolls
11/1980
11/25/1980US4234984 Pocketed spring assembly
11/18/1980US4233870 Shearing machine for severing parallel longitudinal members of grids or gratings
11/18/1980CA1089833A1 Roll of wire mesh of the chain-link fencing type
09/1980
09/09/1980US4221143 Method of cutting gratings to length
07/1980
07/01/1980CA1080452A1 Method and apparatus for forming a row of spring coils from a continuous length of wire
03/1980
03/04/1980US4191360 Concrete reinforcement mesh lifting tool
10/1979
10/16/1979CA1064295A1 Seam for forming wires and dryer felts
10/02/1979US4169307 Clinch tool and method
07/1979
07/31/1979US4162732 Coil transfer machine
05/1979
05/29/1979US4156442 Locating means for co-operating with helical wires
03/1979
03/21/1979EP0001055A1 Method and apparatus for forming a row of spring coils from a continuous length of wire
03/06/1979CA1049898A1 Strip for reinforcing a pipe coating
02/1979
02/20/1979US4139976 Method of coiling wire-mesh webs, especially chain-like fencing into compact rolls
01/1979
01/02/1979CA1045516A2 Method and apparatus for forming pipe reinforcing cages and like closed loop objects
01/02/1979CA1045515A2 Method and apparatus for forming pipe reinforcing cages and like closed loop objects
1 2 3 4 5 6