Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804) |
---|
01/27/1999 | EP0893171A1 Methods for constructing a die for press bending machine and determining cushion forces therefore |
01/27/1999 | EP0893170A1 A bending machine for the production of sheet-metal articles |
01/26/1999 | US5862582 Method for making hollow workpieces |
01/21/1999 | WO1999003318A1 Clamping device, tool and method of mounting tools |
01/20/1999 | EP0891823A2 A gripper element for a punch or a die of a punching machine |
01/20/1999 | EP0891251A1 Press with a hydraulic plate |
01/14/1999 | WO1999001240A1 Press brake tool holder |
01/13/1999 | EP0890396A1 A device for the automatic replacement of the tools in a bending machine |
01/13/1999 | CN2303695Y Upper tool for bending press |
01/12/1999 | US5857377 System for producing bent sheet-metal articles and components of the system |
12/23/1998 | EP0885670A1 Punch press machine |
12/09/1998 | EP0882547A2 Multi-stage assembling robot |
12/06/1998 | CA2239646A1 Multi-stage assembling robot |
12/02/1998 | EP0880423A1 Cutting die and method of forming |
12/01/1998 | US5843283 Lubrication of a roll jacket of a press roller |
11/10/1998 | US5832771 Universal punch press for working on steel frame members of the like |
11/05/1998 | DE19718014A1 Sheet metal container |
11/03/1998 | US5829911 Method for forming a high-tooth spline of a hollow shaft and hollow shaft having a high-tooth spline |
10/22/1998 | DE19813209A1 Quick-action tool-clamping mechanism for stamping machine |
10/20/1998 | US5823087 Punch press having a toggle joint mechanism drive |
10/20/1998 | US5823042 Method of making an improved hot rolled I-beam and associated product |
10/14/1998 | CN1195587A Slow-pushing face-drawing machining method and die guide mechanism using the same |
10/08/1998 | WO1998043759A1 Forming technique using discrete heating zones |
10/08/1998 | CA2283745A1 Forming technique using discrete heating zones |
10/07/1998 | EP0869196A2 Cast cold tool and method for producing the same |
10/07/1998 | EP0868273A1 Ceramic polymer composite tool |
09/30/1998 | CN1194186A Thin sheet forming dies |
09/30/1998 | CN1194185A Thin sheet forming dies |
09/29/1998 | USRE35907 Adjustable base assembly |
09/29/1998 | US5813322 Die height correcting apparatus for press |
09/29/1998 | US5813276 Press die of cement composite and a method of producing the same |
09/29/1998 | US5813269 Die assembly for extruding hollow metallic articles |
09/22/1998 | US5810704 Method of mounting die |
09/17/1998 | WO1998040176A1 A method of making an improved hot rolled i-beam and associated product |
09/09/1998 | EP0676279B1 Press forwardly feed die of metallic gasket |
09/09/1998 | EP0657231B1 Band plate bending apparatus |
09/01/1998 | US5799532 Press for drawing an associated raw material |
08/18/1998 | US5794486 Upper tool holder apparatus for press brake |
08/11/1998 | US5793015 Apparatus for rapidly forming laminated dies |
08/11/1998 | US5791852 Storage system for automatically storing and removing dies |
08/11/1998 | US5791240 Slide device in mechanical press |
08/04/1998 | US5787750 Folding system for a cutting blade |
07/30/1998 | DE19703753A1 Grip for tools which have four tangential grooves |
07/30/1998 | DE19702882A1 Stamp with cutter die especially for blanking press |
07/28/1998 | US5785914 Process of producing ceramic polymer composite tool |
07/21/1998 | US5782308 Quick clamping device for at least one tool of a machine tool |
07/21/1998 | US5782130 Apparatus for retaining tools |
07/14/1998 | US5778749 Flexible manufacturing press assembly |
07/14/1998 | US5778721 Tooling machine for reshaping workpieces |
06/30/1998 | US5771725 Method of producing a band blade, a method of bending a strip material, and an apparatus for bending a stip material |
06/30/1998 | CA2164999C Stretch controlled forming mechanism and method for forming metal blanks |
06/23/1998 | CA2157731C Punch selectable punch press |
06/16/1998 | US5765458 Die follow confirming method |
06/16/1998 | CA2105875C Automatic exchanging device of cross bar of transfer feeder and control system therefor |
06/09/1998 | US5761944 Punching processing method and roll forming die used in this processing method |
06/04/1998 | WO1998023438A1 Press apparatus and press system |
05/28/1998 | WO1998022236A1 Upper die fitting apparatus of press brake |
05/26/1998 | US5755653 Method of exchanging die sets in a press system |
05/26/1998 | US5755129 Press-forming method of a sheet and apparatus therefor |
05/06/1998 | CN1180593A Extrusion and impact forging mould and preparation method |
04/29/1998 | EP0838279A1 Press die formed of cement-based composition and method of manufacturing the same |
04/29/1998 | EP0838278A1 A tool-changing mechanism for a metal forming press and an arrangement comprising a metal-forming press and a tool-changing mechanism |
04/28/1998 | US5742993 Method for making hollow workpieces |
04/22/1998 | CN2279263Y Hand-operated pressing machine |
04/15/1998 | EP0835701A2 Die for clinch joints |
04/15/1998 | EP0796155A4 Adjustable form die |
04/15/1998 | CN2278550Y Die set for making aluminium alloy sections |
04/14/1998 | US5738345 Device for generating a fixture |
04/14/1998 | CA2069189C Method of developing complex tool shapes |
04/07/1998 | US5736658 Comprising chromium, tungsten, transition metals, binder phase containing nickel, titanium carbide cubic phase; for tooling component used in drawing aluminum for beverage cans |
04/07/1998 | US5735155 Method for manufacturing patterned tread plates |
04/01/1998 | CN1177942A Apparatus and methods for forming workpieces |
03/26/1998 | DE19739975A1 Method for the fabrication of a laminated structure |
03/04/1998 | EP0826431A1 Method of producing a repair paint coating |
03/04/1998 | EP0758947A4 Apparatus and methods for forming workpieces |
02/28/1998 | CA2214281A1 A process for producing a repair coating |
02/25/1998 | EP0824977A1 A manipulator for a system for producing bent sheet-metal articles |
02/10/1998 | US5715725 Biaxial travelling clamp for securing a tool to a press |
01/27/1998 | US5711180 Pressing cam die |
01/22/1998 | WO1998002296A1 Biaxial travelling clamp for securing a tool to a press |
01/22/1998 | WO1998002295A1 Travelling clamp with removable rails |
01/06/1998 | CA2120037C Apparatus for bending a strip material |
12/30/1997 | US5702733 Press working machine |
12/16/1997 | US5697138 Apparatus and method for fabricating trimmed letters |
12/09/1997 | US5694805 Travelling clamp with removable rails |
12/04/1997 | DE19723084A1 Hydraulic stamping press |
12/02/1997 | US5692409 Production of metal containers |
11/26/1997 | EP0777540A4 Wiping unit for ram of bodymaker |
11/26/1997 | CN2268591Y Pre-curled mould for pipe of bend |
11/20/1997 | DE19635447C1 Multilayer repair painting process, especially for car repairs |
11/19/1997 | CN2267877Y Pedal portal-frame type mould frame |
11/18/1997 | US5687605 Wiping unit for ram of bodymaker |
11/11/1997 | US5685812 Turret punch press |
11/05/1997 | EP0554258B1 Electromagnetically driven punch press with magnetically isolated removable electromagnetic thrust motor |
10/22/1997 | EP0802000A1 Die holder mounting structure |
10/21/1997 | US5678439 Spacer |
10/15/1997 | EP0800875A1 Method for bending and apparatus for height compensation of a strip steel punch tool |
10/14/1997 | US5676014 Transfer mechanism for multi-stage transfer press with cross bar supports |
10/08/1997 | CN1161257A Forming tool interchangeable die apparatus and master die set therefor |
10/02/1997 | WO1997035710A1 Press with a hydraulic plate |