| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 12/27/1989 | EP0348381A2 Composite steel work piece and method of manufacturing same |
| 12/26/1989 | US4888973 Heater for superplastic forming of metals |
| 12/13/1989 | EP0345734A2 Method and apparatus for continuous compression forging of continuously cast steel |
| 12/12/1989 | US4885927 Method and apparatus for press forming intricate metallic shapes such as spool valve elements |
| 11/29/1989 | EP0344117A2 Method and apparatus for rolling grooves in tool shanks |
| 11/15/1989 | EP0341714A1 Method of forming large-sized aluminum alloy product |
| 11/07/1989 | US4878370 Cold extrusion process for internal helical gear teeth |
| 10/31/1989 | US4876868 Method for forming an object of metal by cold pressing |
| 10/25/1989 | EP0338419A1 Squeeze-casting method |
| 10/18/1989 | CN1036348A Active compacting forging method |
| 10/04/1989 | EP0334976A1 Part-shaping apparatus by flow forging and sheet-metal rubber forming |
| 10/04/1989 | EP0334872A1 Loading a segmented die and ejecting a component formed therein |
| 09/27/1989 | EP0334478A2 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically-aligned material |
| 09/19/1989 | US4867807 Fine grain |
| 09/12/1989 | US4864706 Fabrication of dual alloy integrally bladed rotors |
| 09/06/1989 | EP0331539A1 Method of making forged blanks from bar material by upsetting, in particular for compressor blades, and tooling equipment for carrying out the method |
| 08/30/1989 | CN1035068A Joint forging technology for bearing blank |
| 08/23/1989 | EP0328898A1 Process for preparing a heat-resistant article from a powder-metallurgically prepared work piece with a high transversal ductibility based on aluminium |
| 08/23/1989 | EP0328732A1 Process for the manufacture of an object by cold extrusion |
| 08/22/1989 | US4859410 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material |
| 08/01/1989 | US4852383 Press apparatus for reducing widths of hot slabs |
| 07/18/1989 | US4848127 Method of reducing slab in widthwise direction |
| 07/18/1989 | US4847968 Forging method for producing a pulley |
| 07/11/1989 | US4845972 Method for working the ends of steel pipe by upsetting and pressing |
| 07/06/1989 | DE3843348A1 Synchronising ring and an apparatus and method for the production of the said ring |
| 07/04/1989 | US4843864 Press tooling for manufacturing constant velocity ratio universal joint members |
| 07/04/1989 | US4843856 Method of forging dual alloy billets |
| 06/28/1989 | EP0321880A2 Method and apparatus for forging toothed wheels |
| 06/21/1989 | CN2039608U Closed forging die of auto-removing excess stuff |
| 06/13/1989 | US4838062 Process for upset forging of long stands of metal bar stock |
| 06/06/1989 | CA1255084A1 Method for producing clad tubular product |
| 05/31/1989 | CN1033164A Closed forge moulding technology and die for lamination |
| 04/18/1989 | US4821554 Press forging of molybdenum or molybdenum alloy parts |
| 04/06/1989 | WO1989002797A1 Improvements in or relating to rotary forging machines |
| 04/06/1989 | DE3831184A1 Integrated control for a manipulator, and open-die forging press interacting with the latter and a manipulator with a measuring device for this purpose |
| 03/22/1989 | EP0307883A2 Integrated circuit for a manipulator as well as a coorperating free-form powerpress and a manipulator with a measuring device therefor |
| 03/21/1989 | US4813130 Automatic extrusion pinning method and apparatus |
| 03/14/1989 | CA1251061A1 Automated process for cold working holes |
| 03/08/1989 | EP0306380A1 Stepped tool for piercing a hole in a work piece by driving the tool axially into the work piece |
| 02/14/1989 | US4803880 Hollow article forging process |
| 01/31/1989 | US4800745 Spur gear automatic production process |
| 01/31/1989 | CA1249458A1 Forging process |
| 01/18/1989 | EP0299948A2 Method and forging machine for making composite bodies |
| 01/18/1989 | EP0299319A2 Method and tool for rounding off and compressing edges |
| 01/17/1989 | US4797986 Spur gear manufacturing process |
| 01/11/1989 | EP0298457A2 Full enclosed die forging apparatus |
| 01/11/1989 | EP0298456A2 Full enclosed die forging apparatus |
| 01/11/1989 | EP0298455A2 Full enclosed die forging apparatus |
| 01/10/1989 | US4796459 Accumulator system for closed die forging |
| 12/14/1988 | CN87103600A Opposite die-forging apparatus using vertical segmental dies |
| 12/13/1988 | CA1246330A1 Blade twisting apparatus |
| 11/29/1988 | US4787234 Method and apparatus for extruding superalloy material |
| 11/22/1988 | CA1245042A1 Tool for and method of making hollow articles |
| 10/27/1988 | EP0233938A4 Rivet installation method and construction. |
| 10/26/1988 | EP0287859A2 Method and apparatus for forming pins of an extrudable material in a substrate |
| 10/25/1988 | US4779444 Closed die forging machine |
| 09/22/1988 | WO1988006931A1 Process and apparatus for forging one piece track roller rim |
| 09/13/1988 | US4770020 Part-shaping apparatus by flow forging and sheet-metal rubber forming |
| 09/06/1988 | US4769087 Nickel base superalloy articles and method for making |
| 09/06/1988 | US4768368 Tool for and method of making hollow articles |
| 08/24/1988 | EP0279014A1 Process for manufacturing rod-shaped articles having at least one protruding end at one side |
| 08/24/1988 | EP0279013A1 Process and device for manufacturing shafts with a protruding end |
| 08/24/1988 | EP0279012A1 Process and device for manufacturing the head of a poppet valve |
| 08/09/1988 | US4762302 Valve sleeve and method of manufacturing same |
| 08/09/1988 | CA1240117A1 Method for compacting alloy powder |
| 08/02/1988 | US4760728 Method for reducing widths of hot slabs |
| 07/13/1988 | EP0274224A1 Loading a segmented die and ejecting a component formed therein |
| 07/13/1988 | CN87108070A Method of reducing slab in widthwish direction |
| 06/22/1988 | EP0272186A1 Direct extrusion method at a vertical forging press, and equipment therefor |
| 06/22/1988 | EP0272067A2 Process and apparatus for upset forging of long stands of metal bar stock |
| 06/16/1988 | WO1988004207A1 Loading a segmented die and ejecting a component formed therein |
| 06/15/1988 | EP0270538A1 Tool for and method of making hollow articles. |
| 06/15/1988 | CN86108315A Isothermal die forging process for large or medium sizes of aluminium alloy parts |
| 06/08/1988 | EP0270245A2 Method of reducing slab in widthwise direction |
| 05/10/1988 | CA1236425A1 Method of forming a metal part having an annular flange |
| 04/27/1988 | EP0189447B1 Forging process |
| 03/30/1988 | CN85106018B Combination process for casting and forging of connecting rod |
| 03/29/1988 | US4733798 Method and apparatus for controlling the concentration of a chemical solution |
| 03/16/1988 | CN85100078B Combined forging reduction hole punching technology and its die set |
| 02/11/1988 | DE3723825A1 Method and apparatus for stretching a metallic workpiece |
| 02/10/1988 | EP0255635A2 Method of and device for drawing out a metallic work piece |
| 02/02/1988 | US4722209 Apparatus and method for processing powder metallurgy tubing |
| 01/26/1988 | US4721537 Reducing particles, precipitation |
| 12/29/1987 | US4715203 For thrusting an attached mandrel through a hole in a metal workpiece |
| 12/23/1987 | EP0249992A1 Spur gear manufacturing process |
| 12/17/1987 | DE3717606A1 Prodn. of munition shells |
| 12/16/1987 | CN87103970A Nickel base superalloy articles and method for making |
| 12/15/1987 | US4712413 Billet heating process |
| 12/09/1987 | EP0248757A1 Nickel base superalloy articles and method for making |
| 12/01/1987 | US4709569 Method for producing gears |
| 11/17/1987 | US4706487 Method of manufacturing a valve sleeve |
| 11/10/1987 | CA1229004A1 Forging process for superalloys |
| 11/03/1987 | US4703546 Method and apparatus for forming valve cores |
| 10/27/1987 | US4702152 Method of manufacturing an ignition file for a lighter |
| 10/21/1987 | EP0241833A1 Apparatus and method for processing powder metallurgy tubing |
| 10/20/1987 | US4700446 Forging process |
| 10/13/1987 | CA1227911A1 Forged dissimilar metal assembly and method |
| 09/30/1987 | EP0238616A1 Method for manufacturing a tool handle |
| 09/23/1987 | CN87101732A Technology of making plastic cavity-mold die by forging in liquid state |
| 09/16/1987 | EP0236797A2 Method and apparatus for forming valve cores |