| Patents for B21F 33 - Tools or devices specially designed for handling or processing wire fabrics or the like (522) |
|---|
| 09/25/2003 | US20030177624 Method for the manufacture of a spring core and device for implementing the method |
| 09/23/2003 | US6622384 Method and apparatus for forming spring units |
| 09/10/2003 | EP1342693A1 Method and device for manufacture of pocketed springs |
| 09/04/2003 | US20030164485 Retractable fence assembly |
| 08/27/2003 | EP1337357A1 Coil and coil-head formation dies for coils with non-conventional terminal convolutions |
| 08/20/2003 | EP1068147B1 Apparatus for the production of pocketed coil springs |
| 08/12/2003 | US6604396 Wire condenser element bending method and wire condenser element bending apparatus |
| 06/24/2003 | US6583074 Nonwoven metal fabric |
| 05/08/2003 | WO2003037546A1 Method for producing latticed structures and device for carrying out said method |
| 05/08/2003 | CA2468653A1 Method for producing latticed structures and device for carrying out said method |
| 05/01/2003 | WO2003035304A1 Coil spring assembly machine |
| 05/01/2003 | WO2003035303A1 Machine to assemble or produce sandwich-type panels and the panel thus obtained |
| 04/30/2003 | CN2547434Y Central explorator for preventing middle-concave spring from untwisting |
| 04/24/2003 | WO2003033190A1 Coil and coil-head formation dies for coils with non-conventional terminal convolutions |
| 04/24/2003 | US20030075232 Coil spring assembly machine |
| 04/10/2003 | WO2003029111A2 Conveyance system for interface with component production and assembly equipment |
| 04/10/2003 | WO2003028919A1 Wire for wired sheet glass and method of manufacturing the wire |
| 02/12/2003 | CN2535159Y Adjustable central profile modeling |
| 01/29/2003 | EP0814923B1 Coil spring interior assembly method and apparatus |
| 01/09/2003 | WO2003001947A1 Method and system for clamping metal frames of wire or steel strip onto the edges of mattress spring units made of springs, which are connected to each other by means of wire, spiral or are pocketed in cloth or non-woven |
| 01/09/2003 | WO2001068286A9 Apparatus and method for securing borderwires to mattress innersprings |
| 01/08/2003 | EP1051271B1 Method and apparatus for forming spring units |
| 01/03/2003 | WO2003000094A1 Spring coil assembly and system for making the same |
| 12/26/2002 | US20020195756 Spring coil assembly and system for making the same |
| 12/26/2002 | US20020195161 Knot-tying mechanism |
| 11/28/2002 | US20020174945 Apparatus and method for joining sheets of woven material |
| 11/26/2002 | US6484759 Knot-tying mechanism |
| 10/29/2002 | US6470562 Automatic screening machine for continuously applying spline to a window screen frame |
| 10/03/2002 | US20020139645 Conveyance system for interface with component production and assembly equipment |
| 09/17/2002 | CA2189549C Method and apparatus for manufacturing mattresses |
| 08/22/2002 | DE10106595A1 Verfahren zum Herstellen eines hülsenförmigen Zwischenprodukts aus Federstahlgewirk A method of manufacturing a sleeve-shaped intermediate from spring steel |
| 08/14/2002 | EP1231000A2 Method for the production of a tubular intermediate-product from spring steel material |
| 08/13/2002 | US6430982 Coil spring forming and conveying assembly |
| 07/31/2002 | EP1225989A1 Apparatus and method for securing borderwires to mattress innersprings |
| 07/04/2002 | DE10063913A1 Manufacturing machine for production of complex coiled springs has multiple processing stations on carousel for coiling and tempering |
| 06/25/2002 | US6408514 Manufacture of pocketed compound nested coil springs |
| 05/23/2002 | US20020059964 Wire condenser element bending method and wire condenser element bending apparatus |
| 05/16/2002 | WO2002038304A1 A method and installation for the transport of springs for spring interiors for mattresses or upholstery |
| 04/23/2002 | US6374499 Device for cutting welded wire structures |
| 04/23/2002 | US6374495 Apparatus and method for securing borderwires to mattress innersprings |
| 04/11/2002 | WO2002028565A1 Roll of wire netting |
| 03/19/2002 | US6357588 Slotted clip and method |
| 03/14/2002 | WO2002020922A1 Post |
| 02/14/2002 | US20020017334 Coil spring forming and conveying assembly |
| 02/06/2002 | EP1177056A1 Coil spring forming and conveying assembly |
| 12/04/2001 | US6324711 Low density spring assembly and method of making low density spring assemblies |
| 11/20/2001 | US6318416 Spring interior and method of making same |
| 10/24/2001 | EP1146974A1 Machinery for automated manufacture of innerspring assemblies |
| 10/10/2001 | CN1316927A Machinery for automated manufacture of innerspring assembies |
| 10/09/2001 | US6298538 Nonwoven metal fabric and method of making same |
| 09/20/2001 | WO2001068286A1 Apparatus and method for securing borderwires to mattress innersprings |
| 09/20/2001 | CA2373240A1 Apparatus and method for securing borderwires to mattress innersprings |
| 08/22/2001 | EP1124657A1 Dual lacing wire mechanism for a coil spring assembly machine |
| 08/07/2001 | US6269936 Installation for the transport of helical-shaped wound springs |
| 06/27/2001 | CN1301234A Apparatus for the production of pocketed coil springs |
| 06/26/2001 | US6249941 Nonwoven metal fabric and method of making same |
| 06/13/2001 | EP1105660A1 Manufacture of pocketed compound nested coil springs |
| 05/09/2001 | EP1097787A1 Device for cutting welded wire structure |
| 05/09/2001 | CN1065421C Assembling device for bagged spiral spring assembly unit |
| 04/26/2001 | WO2001028905A1 A rollable mesh apparatus |
| 01/25/2001 | WO2001005535A1 Coil spring forming and conveying assembly |
| 01/18/2001 | DE19927670A1 Manufacturing process for three-dimensional geometric lattice work uses plastic/metal wires folded parallel and in a zig-sag shape, to form drainage element core |
| 01/17/2001 | EP1068147A1 Apparatus for the production of pocketed coil springs |
| 01/10/2001 | EP1052920A4 Spring interior and method of making same |
| 01/09/2001 | US6170807 Inner springs for use in furniture and bedding and a producing method therefor |
| 12/19/2000 | CA2183623C Pocket coil spring structure assembling apparatus |
| 12/12/2000 | US6159319 Method and apparatus for forming pocketed coil spring mattresses |
| 12/05/2000 | US6155310 Machinery for automated manufacture of formed wire innerspring assemblies |
| 11/28/2000 | CA2075800C Device for producing coils from spring steel material |
| 11/22/2000 | EP1053067A1 Varied coil spring interior forming method and apparatus |
| 11/22/2000 | EP1052920A1 Spring interior and method of making same |
| 11/15/2000 | EP1051271A1 Method and apparatus for forming spring units |
| 11/08/2000 | EP1049548A1 Programmable servo-motor quality controlled continuous multiple coil spring forming method and apparatus |
| 10/12/2000 | WO2000015369A9 Machinery for automated manufacture of innerspring assemblies |
| 09/19/2000 | US6119322 Cased coil spring producing apparatus |
| 09/12/2000 | US6116295 Method and apparatus for pre-stretching continuous chain-link drilling mud separation belt |
| 08/31/2000 | WO2000018515A9 Method and apparatus for forming pocketed coil spring mattresses |
| 08/30/2000 | EP0814923A4 Coil spring interior assembly method and apparatus |
| 08/23/2000 | CN1264327A Method and apparatus for manufactring coil springs |
| 08/17/2000 | WO2000047348A1 Device for turning and positioning springs produced on a spring winding machine |
| 08/08/2000 | USRE36809 Coil spring interior assembly method and apparatus |
| 07/05/2000 | EP1015151A1 Method and apparatus for manufacturing coil springs |
| 06/29/2000 | DE19950401A1 Spring turning device for spring winding machine has turning stars with wings, driven bracket, and strippers to turn springs through 180o during transfer to second conveyor |
| 06/29/2000 | DE19950399A1 Anlage zum Transport von schraubenlinienförmig gewundenen Federn Installation for the transport of helically wound springs |
| 06/07/2000 | EP0794720A4 Innerspring construction with springs having free terminal convolutions |
| 05/24/2000 | CN2379232Y Machine for cutting and jointing 90 deg. steel wire of tyre fabrics of radial tyre |
| 04/06/2000 | WO2000018515A1 Method and apparatus for forming pocketed coil spring mattresses |
| 04/04/2000 | US6044530 Slotted clip and method |
| 03/23/2000 | WO2000015369A1 Machinery for automated manufacture of innerspring assemblies |
| 03/23/2000 | CA2343225A1 Machinery for automated manufacture of innerspring assemblies |
| 03/02/2000 | WO2000011370A1 Manufacture of pocketed compound nested coil springs |
| 02/09/2000 | CN1243802A Internal springs installed in furnature and manufacture thereof |
| 02/02/2000 | EP0976678A2 Inner springs for use in furniture and bedding and a producing method therefor |
| 12/29/1999 | EP0967031A2 Cased coil spring producing apparatus |
| 12/07/1999 | US5996387 Method and apparatus for pre-stretching continuous chain-link drilling mud separation belt |
| 11/30/1999 | CA2000754C A borderwire on a mattress innerspring |
| 11/23/1999 | US5988253 Press holding mechanism for use in pocket coil spring structure assembling apparatus |
| 10/21/1999 | WO1999052693A1 Dual lacing wire mechanism for a coil spring assembly machine |
| 10/07/1999 | WO1999050175A1 Apparatus for the production of pocketed coil springs |
| 10/07/1999 | CA2326597A1 Apparatus for the production of pocketed coil springs |