| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
|---|
| 11/02/2000 | EP1047512A1 Forging of workpieces |
| 10/26/2000 | DE19916566A1 Die for heavy duty hollow shaping tool, with reinforcement consisting of reinforcing fibers or fiber strings round circumference of pressing bush |
| 10/25/2000 | CN1057716C Mould core device capable of simple taking out mandrel for cold forging and use method thereof |
| 10/19/2000 | WO2000061318A1 Method of producing a wobble die |
| 10/18/2000 | EP1044742A2 Threaded fastener and a method of making the same |
| 10/18/2000 | EP1044741A2 Large deformation apparatus, the deformation method and the deformed metallic materials |
| 10/12/2000 | DE19915758A1 Verfahren zum Herstellen eines Taumelstempels A method for producing a wobble die |
| 10/04/2000 | CN1057031C Main driving equipment of preforging machine |
| 09/27/2000 | EP1038607A2 Forging press apparatus, controller of automation device used therefor and shut height controller |
| 09/21/2000 | DE10010197A1 Mechanische Presse mit einer Durchbiegungsausgleichseinrichtung Mechanical press with a deflection compensation device |
| 09/20/2000 | CN1056545C Beading machine |
| 09/19/2000 | CA2299811A1 Press deflection controller |
| 09/14/2000 | WO2000053402A2 Upsetting device |
| 09/07/2000 | DE10008945A1 Rapid action tool stop/release device for mechanical/hydraulic press consists of two mandrels on tool acting with apertures in press slide/bar, and locking wedges |
| 09/05/2000 | US6114690 Light-controlled safety switch for a punch press |
| 08/31/2000 | DE19908530A1 Driving in or out process for wedge fixing swage, using pneumatic or hydraulic ram |
| 08/29/2000 | US6110047 Mold for forming a screw with an auger tip |
| 08/22/2000 | US6105414 Transfer feeder for forging press |
| 08/17/2000 | WO2000047796A1 Tungsten carbide coatings and method for producing the same |
| 08/03/2000 | DE19958681A1 Deforming press for crankshafts, with hydraulic pressing and listing cylinders, pressing block and torsional pressing rod fixed to block at four corners |
| 07/12/2000 | EP1017519A1 Feed mechanism for a forming device, especially a cold forming device such as a rotary swaging device |
| 07/12/2000 | CN2386907Y Special mould for mfg. spool of ball check |
| 07/05/2000 | EP1016476A2 Full enclosed forging apparatus |
| 07/05/2000 | CN1259065A Multistage metal-forming machine tool |
| 06/21/2000 | CN1256980A All closed forging press |
| 06/15/2000 | WO2000033989A1 Application of dry lubricant to forming dies and forming dies that operate with high force |
| 06/15/2000 | DE19856949A1 Drop forge has an U-shaped ram with a center of gravity displaced towards the anvil on tool closure to prevent ram tilting and reducing eccentric loading |
| 06/14/2000 | EP1008771A1 Taper piece, thread fastening construction using taper piece with female thread, formed drill for processing insertion hole for taper piece, and hammer for driving of taper piece |
| 06/07/2000 | EP1005933A1 Multi-punch forging machine |
| 06/06/2000 | US6071196 Adjustment device for use in the forging of small metal items |
| 05/31/2000 | CN1254625A Metal mould exchange method and apparatus |
| 05/30/2000 | US6067837 Device for the extraction of small metal items |
| 05/24/2000 | EP1002598A2 Device for cold-forming deep holes |
| 04/06/2000 | DE19837756C1 Einrichtung, um eine Drehbewegung von der Kurbelwelle in einen kurbelwellengetriebenen Schlitten einzuleiten Means to initiate a rotary motion of the crankshaft in a crankshaft-driven carriage |
| 03/29/2000 | EP0988122A1 Multistage metal-forming machine tool |
| 03/14/2000 | US6035688 Forging die apparatus |
| 03/09/2000 | WO2000012245A1 Method for producing a gear rack, and a stamping device for carrying out the method |
| 03/07/2000 | US6032508 Apparatus and method for near net warm forging of complex parts from axi-symmetrical workpieces |
| 03/02/2000 | DE19839428A1 Verfahren zur Herstellung einer Zahnstange und Prägevorrichtung zum Durchführen des Verfahrens A method of manufacturing a rack and embossing apparatus for carrying out the method |
| 02/23/2000 | EP0980727A2 Device connected to a crank for moving a part mounted on a slider relative thereto |
| 02/16/2000 | CN1049374C Method and apparatus for working on mold forging machine |
| 02/09/2000 | CN2362617Y Impact type pressure booster |
| 02/08/2000 | CA2014368C A drive for a male-mold-side ejector slidably disposed in a slide of a metal-forming press |
| 02/03/2000 | WO2000005008A1 Die forging method |
| 02/03/2000 | CA2338376A1 Die forging method |
| 02/02/2000 | CN1048928C Three-dimension hollow rag-free cold forging formation method |
| 02/02/2000 | CN1048927C Reusable cold-forging die |
| 01/26/2000 | CN2360190Y Multistation cold headers shaping mould core for bicycle front and rear axle bumper and pedal bumper |
| 01/20/2000 | WO2000002683A1 Forging die |
| 01/19/2000 | CN2359028Y Forging die forming ring |
| 12/29/1999 | EP0734294B1 Stepped, segmented, closed-die forging |
| 12/28/1999 | US6006564 Application of dry lubricant to forming dies and forging dies that operate with high force |
| 12/14/1999 | US6000269 Method of forging and forging equipment |
| 12/08/1999 | CN2352289Y Scraper type trackless manipulator for feeding or taking out of material for forging heating purpose |
| 12/08/1999 | CN2352288Y Equipment for conveying bar shaped material |
| 12/01/1999 | EP0960683A1 Process of manufacturing of hot forging tools, and tools obtained by this process |
| 11/30/1999 | US5992206 Clinching die having metallic restoring member |
| 11/16/1999 | US5983698 Easy removed die core device used for cold swaging |
| 11/04/1999 | WO1999055475A1 Method for hot pressing workpieces |
| 10/28/1999 | WO1999054071A1 Multistage metal-forming machine tool having tool combination blocks |
| 10/26/1999 | US5970776 Apparatus for forming a cup-shaped cage |
| 10/20/1999 | EP0950449A2 Ejecting device for metallic workpieces |
| 10/20/1999 | EP0950448A2 Tool-holder for a press |
| 10/20/1999 | EP0950447A2 Adjustment device for a forging press |
| 10/14/1999 | DE19815615A1 Forging unit for production of workpieces with no or minimal flash formation |
| 10/14/1999 | DE19814487A1 Locking arrangement for forming tools used for powder pressing, precision forging, thixoforging, injection pressing, injection molding etc. |
| 10/12/1999 | US5964120 Hot extrusion forging die for use in titanium alloy |
| 10/05/1999 | CA2060952C Die tooling for metal working |
| 09/28/1999 | US5956993 Forging or cold-pressing tool and method of assembling same |
| 09/23/1999 | DE19911500A1 Forging device for spherical angled teeth |
| 09/21/1999 | US5953950 Method and apparatus for manufacturing disk products having helical ridges |
| 09/15/1999 | CN1228364A Improved cold forging die with repeatedly-recovering and reusing property |
| 09/14/1999 | US5950481 Stepped, segmented, closed-die forging |
| 09/07/1999 | US5947676 High temperature die lift system |
| 09/07/1999 | US5946963 Bevel gear hot-forging apparatus |
| 09/01/1999 | EP0583381B1 Precision forming apparatus, method and article |
| 08/19/1999 | DE19804700A1 Formwerkzeug Mold |
| 08/12/1999 | WO1999039848A1 Forming tool |
| 08/12/1999 | WO1999026740A3 Method for producing work pieces |
| 08/04/1999 | CN2331455Y Back ejection mechanism capable of forced haul-back for forging forming machine |
| 07/28/1999 | EP0931975A1 Light-controlled safety switch |
| 07/28/1999 | CN2330433Y Master die set for forging and forming machine |
| 07/22/1999 | WO1999036207A1 Forging of workpieces |
| 07/13/1999 | US5921126 Contact surfaces |
| 07/07/1999 | EP0927588A2 Transfer feeder for forging press |
| 07/07/1999 | CN2327470Y Mechanism for releasing steel cable cramp from forging mould |
| 06/29/1999 | US5915515 Die lifting mechanism |
| 06/17/1999 | WO1999029449A1 Reusable die for cold forging |
| 06/17/1999 | CA2312073A1 Reusable die for cold forging |
| 06/03/1999 | WO1999026740A2 Method for producing work pieces |
| 05/20/1999 | DE19743277A1 Setting aid for e.g. riveting tools etc. |
| 05/12/1999 | CN2317975Y One-time formed moving-mould-core for cold heading D-type mean axis of bicycle |
| 05/05/1999 | CN2317027Y Hot forging gear blank die device |
| 04/20/1999 | US5895324 Process for forming axially-extendable bolt by upsetting |
| 04/20/1999 | US5894752 Method and system for warm or hot high-velocity die forging |
| 04/15/1999 | DE19742819A1 Vorschubeinrichtung für eine Umformungsvorrichtung, insbesondere eine Kaltumformungsvorrichtung wie eine Rundknetvorrichtung Feed means for forming device, especially a cold forming device such as a Rundknetvorrichtung |
| 04/13/1999 | US5893290 Screwhead forming apparatus |
| 04/08/1999 | WO1999016563A1 Feed mechanism for a forming device, especially a cold forming device such as a rotary swaging device |
| 04/06/1999 | CA2100309C Device for and method of forging a helical gear |
| 03/11/1999 | DE19739635A1 Rotary hammering installation |