| Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804) |
|---|
| 01/05/1994 | EP0576927A1 Press apparatus with outer and inner slides |
| 01/05/1994 | DE4307020A1 Aluminium@ (alloy) sheet stamping process |
| 01/04/1994 | US5274921 Forming method of bushing with outer sliding surface |
| 12/29/1993 | EP0575646A1 A method and a device for forming various workpieces |
| 12/29/1993 | EP0575615A1 Transfer feeder crossbar automatic exchange system and control system therefor |
| 12/28/1993 | US5273571 Nonmagnetic nickel tungsten cemented carbide compositions and articles made from the same |
| 12/28/1993 | US5272898 Device for stamping materials in sheet form, especially sheet metal blanks |
| 12/23/1993 | DE4320471A1 Rolls for applying lubricant onto metal strips - with alterable height and axial position of the rolls |
| 12/23/1993 | CA2086579A1 Method and a device for forming various workpieces |
| 12/21/1993 | US5271696 Tool bit for machining materials |
| 12/21/1993 | US5271260 Bending device for forming carton blanking tools |
| 12/14/1993 | US5269739 Tool changing apparatus for a turret punch press |
| 12/14/1993 | US5269167 Universal aerial cam unit |
| 12/07/1993 | US5267384 Method for providing a toolholder body guide for punch presses |
| 12/07/1993 | CA1324885C Device for pre-setting the tools of a platen press |
| 12/02/1993 | DE4217988A1 Mfr. of shape-determining range of shape memory effect tools - involves integration of prodn. of juxtaposed tempering channels or cut=out cavities in layers of different thickness |
| 11/30/1993 | CA1324751C Punch and die system |
| 11/24/1993 | EP0570698A1 Multi-part extrusion die |
| 11/16/1993 | US5261638 Pipe connection device |
| 11/16/1993 | US5261264 Automated forming station |
| 11/11/1993 | WO1993022079A1 Device for drawing metal or metallo-plastic cans |
| 11/09/1993 | US5259225 Method and apparatus for producing a stamped product |
| 10/26/1993 | CA1323482C Coupling device for the removable connection of forming moulds on press mould plates |
| 10/06/1993 | EP0563444A1 Single punching machine with fitting for mounting and centering tools |
| 10/06/1993 | CN1022294C Formation method for reducing guide pipe |
| 10/05/1993 | US5249448 Redraw carriage for crank and slide press |
| 09/30/1993 | DE4213490C1 Composite shaping body for stretch-forming machine - has supporting heads with similarly-curving surfaces tilting in all directions on jacks for elastic cover accommodating metal sheet |
| 09/29/1993 | EP0562609A1 Spray lubricating appliance for automatic punching machines |
| 09/29/1993 | CN2142763Y Drawing die without mould |
| 09/28/1993 | US5248288 Apparatus for changing work holder in transfer press |
| 09/28/1993 | US5247861 Method of manufacturing laminated plastic tooling and tooling produced thereby |
| 09/28/1993 | US5247860 Farm tool and method for the production theory |
| 09/23/1993 | DE4209045A1 Hydraulic clamp for clamping press tools etc. - has clamping pin in form of piston rod guided in easily removable guide bush whilst large dia. piston is guided directly in bore of clamp body |
| 09/15/1993 | EP0484373B1 Arrangement at press line |
| 09/08/1993 | EP0388415B1 Use of a tool steel for tools for pressing motor car sheet steel |
| 09/07/1993 | US5242357 Deceleration method and apparatus for a moving bolster for a press |
| 09/07/1993 | CA2091035A1 Method of stamping for aluminum or aluminum alloy sheet |
| 08/25/1993 | EP0556886A1 Method of producing cast-to-size tools |
| 08/24/1993 | US5238386 Multi-part extrusion die |
| 08/18/1993 | EP0555752A1 Rotating bending tool with permanent lubrication |
| 08/11/1993 | EP0554351A1 Electronic braking system for power press die change carriers |
| 08/11/1993 | EP0554258A1 Electromagnetically driven punch press with magnetically isolated removable electromagnetic thrust motor |
| 08/10/1993 | US5234205 Quick die change clamp |
| 07/21/1993 | CN2138531Y Cold bending machine for electric saw blade |
| 07/13/1993 | US5226306 Bead forming metal die for forming metal gasket |
| 07/07/1993 | EP0550390A1 A model die for measuring values of parameters inherent in the drawing of pieces of sheet metal and a method which uses the die |
| 07/06/1993 | USH1203 Method of rapidly changing dies in power presses |
| 07/06/1993 | US5224915 Punch press with dual tool changing assemblies and method of punching |
| 07/06/1993 | US5224370 Leaf spring cambering apparatus |
| 07/01/1993 | DE4218687A1 Tool for cutting external screw threads - has replaceable thread cutting die to enable threads of different diameters to be cut |
| 06/30/1993 | EP0548843A1 Cassette changing apparatus for index-feed machining systems |
| 06/29/1993 | US5223051 Method of producing cast-to-size tools |
| 06/24/1993 | DE4141566A1 Stop for sliding table outside press - uses pivoted rocker, acting with spring-loaded wedge, both located on rail and has retraction device of spindle and nut |
| 06/08/1993 | US5216913 Bending machine for skein-shaped material |
| 06/01/1993 | US5215513 Tool changing apparatus for a turret punch press |
| 05/26/1993 | EP0542820A1 A method of producing tools and dies. |
| 05/18/1993 | US5211095 Arrangement enabling variably oriented punching with each tool in a multiple tool holder |
| 05/12/1993 | EP0541427A1 Device for press-forming sheet materials especially metal blanks |
| 05/11/1993 | US5209091 Apparatus for setting the shut height of a press |
| 05/05/1993 | CA2081962A1 Device for drawing sheet materials, in particular sheet metal blanks |
| 05/04/1993 | US5206982 Die transfer structure and method |
| 04/27/1993 | US5206035 Automatic mold clamping apparatus for molding machine |
| 04/14/1993 | EP0536412A1 Method of changing tools in punch press machine |
| 04/14/1993 | CN1020261C Method for making punch pin of zinc shell of electric cell |
| 04/08/1993 | DE4132607A1 Setting of tools in multistage press - Involves first setting each set of tools in separate single stage trial press. |
| 03/18/1993 | WO1993004828A1 Process for compression moulding workpieces |
| 03/17/1993 | EP0329724B1 Tooling for forming machines having improved guidance, tool mounting, and pilot pin systems |
| 03/10/1993 | EP0530813A1 Turret punch press |
| 03/10/1993 | EP0530375A1 System for working on plate material |
| 03/03/1993 | EP0529663A1 Apparatus for compression molding of workpieces |
| 02/17/1993 | EP0527570A1 Method of developing complex tool shapes |
| 02/10/1993 | EP0526867A1 Process for making a cylindrical embossing tool |
| 02/06/1993 | CA2075325A1 Process for producing an embossing die in roll form |
| 02/04/1993 | DE4125543A1 Clamping device for hole punch peg in tool - has threaded bore for clamping bolts at right angles to tool surface for punch bores |
| 01/28/1993 | DE4124590A1 Quick release locating pin for clamping e.g. injection moulds - has radial cams locked by central plunger in annular recess of baseplate with screw or hydraulic drive and spring return |
| 01/26/1993 | US5181700 Clamping apparatus |
| 01/14/1993 | DE4122323A1 Elastically deformable press tool for forming sheet metal - has canals filled with compressible fluid and pressure and/or temperature control and emptying rods |
| 12/30/1992 | CN2126121U Composite material die for stamping stretch |
| 12/16/1992 | EP0517982A1 Method of tool development |
| 12/11/1992 | CA2049860A1 Method of tool development |
| 12/08/1992 | US5168745 Die exchange apparatus for the use of a press brake |
| 12/02/1992 | CN1019278B Dies for shaping big irregular metal-sheet parts |
| 12/01/1992 | US5168169 Method of tool development |
| 12/01/1992 | CA1310899C Punch press utilizing workpiece guidance system to effect tool changing |
| 11/26/1992 | WO1992020473A1 Tool locating and orientating device, comprising guide means and wedge stops in the supporting table or mounting plate |
| 11/24/1992 | US5165309 Maintaining a preferred vibration mode in an annular article |
| 11/24/1992 | CA1310546C Press tool having a metal strip guidance and release system |
| 11/18/1992 | CN2122014U Hose assembly buckling press |
| 11/18/1992 | CN2122012U U-shape workpiece bending die set |
| 11/12/1992 | WO1992019397A1 Method of changing tools in punch press machine |
| 11/12/1992 | DE4115443A1 Press and tool for deep drawing of formed sheet metal parts - has hydraulic element, with rapid action coupling to hydraulic system of press |
| 11/11/1992 | EP0512131A2 Apparatus and method for lubricating and cooling in a draw and iron press |
| 11/10/1992 | US5161402 Chamfering pressing machine |
| 10/20/1992 | US5156087 Variable heat conduction device to be placed between a heating platen and a cooling platen of a machine such as a press |
| 10/14/1992 | EP0508941A1 Tool for machining of materials |
| 10/14/1992 | EP0508881A2 Clamping apparatus |
| 10/07/1992 | EP0506924A1 Method and apparatus for forming amalgam preform |
| 10/07/1992 | EP0340311B1 Dies changing method for presses |
| 10/07/1992 | CN1018528B Device for pressing sheet material |
| 10/01/1992 | WO1992016318A1 System for working on plate material |