| Patents for B21K 23 - Making other articles (466) |
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| 11/01/1988 | US4781054 Apparatus for bending and forming heated tubular workpieces |
| 10/11/1988 | US4776193 Method for making flange half shells, as well as flanges formed by two flange half shells |
| 09/22/1988 | WO1988006931A1 Process and apparatus for forging one piece track roller rim |
| 05/10/1988 | CA1236425A1 Method of forming a metal part having an annular flange |
| 12/17/1987 | DE3619783A1 Apparatus for the production of drive projections on the legs of a bottom strap for a clamped connection in underground yielding arch support |
| 12/17/1987 | DE3619782A1 Method and apparatus for forming perforated feedstock to give a U-shaped top strap |
| 08/19/1987 | EP0232257A1 Process for the production of flanges or collars on hollow parts by lateral extrusion. |
| 07/28/1987 | CA1224648A1 Kinetic energy penetrator |
| 04/29/1987 | EP0220031A2 Forging method and forging apparatus |
| 04/28/1987 | US4660266 Split-flange connector and method of making same |
| 04/21/1987 | CA1220652A1 Part forming apparatus by flow forging |
| 03/24/1987 | US4651548 Wobble-die forging machine |
| 02/26/1987 | WO1987001062A1 Process for the production of flanges or collars on hollow parts by lateral extrusion |
| 12/10/1986 | EP0204043A2 Method of forming a metal part having an annular flange |
| 11/18/1986 | US4623404 Compressive working |
| 11/11/1986 | US4621514 Method of making an intermediate stage, intermediate blank for a dynamo electric machine commutator ring, and apparatus to carry out the method |
| 09/02/1986 | US4608848 Part forming apparatus by flow forging |
| 08/26/1986 | US4607515 Kinetic energy penetrator |
| 08/26/1986 | US4607514 Method of forming a metal part having an annular flange |
| 04/08/1986 | US4580431 Method and apparatus for producing a stepped hollow article |
| 03/12/1986 | EP0174001A2 Part forming apparatus by flow forging |
| 01/14/1986 | CA1199168A2 Field replaceable screw conveyor inserts |
| 01/02/1986 | EP0165935A1 Kinetic energy penetrator |
| 12/24/1985 | US4559804 Method and apparatus for forging wedge-shaped parts |
| 10/08/1985 | US4545231 Method of manufacturing a weld neck flange |
| 06/20/1985 | WO1985002566A1 Kinetic energy penetrator |
| 05/21/1985 | US4517819 Method and apparatus for forging sprocket segments |
| 04/24/1985 | EP0137957A1 Method of manufacturing an intermediate stage for a commutator-segment collar |
| 10/30/1984 | CA1176874A1 Track chain link and forging process for the manufacture of track chain links |
| 09/11/1984 | US4470736 Bushing having a polygonal flange |
| 08/29/1984 | EP0116877A2 Method and apparatus of producing a stepped hollow article |
| 08/14/1984 | CA1172555A1 Punched needle for knitting machines |
| 05/22/1984 | US4449357 Track chain link and forging process for the manufacture of track chain links |
| 05/15/1984 | US4448055 Method to manufacture pole pieces for dynamo electric machine, and so-made pole piece |
| 02/22/1984 | EP0101312A1 Weld neck flange for a valve or the like and method of manufacture |
| 12/28/1983 | EP0096812A2 Method and apparatus for forging track links |
| 12/20/1983 | US4420962 Method of cold coining a toothed segment for an endless track wheel and two-piece die therefor and article formed thereby |
| 11/29/1983 | US4417454 Needle for knitting machines and method for making same |
| 11/08/1983 | US4413496 Method of making flanged track tractor roller for off-highway equipment |
| 10/26/1983 | EP0092423A2 Method for making permanent magnets of Mn-Al-C alloys |
| 08/30/1983 | US4400964 Method and device for continuous production of flanged hollow article |
| 05/26/1983 | WO1983001753A1 Method for manufacturing flanges in two parts and flanges obtained thereby |
| 04/20/1983 | EP0077062A2 Process and means for forging a tractor undercarriage sprocket segment providing tolerance sizes corresponding to those obtainable with cold tool machine working and sprocket wheel segments obtained with such process and means |
| 04/14/1983 | WO1983001214A1 Method and apparatus for forging sprocket segments |
| 02/09/1983 | EP0071522A1 Forging method for the manufacture of track chain links, in particular for terrain vehicles |
| 12/07/1982 | US4362043 Pipe unions |
| 10/26/1982 | CA1134183A1 Method of making single or double flanged track tractor roller for off-highway equipment |
| 07/06/1982 | CA1126939A1 Method and tool for producing a bushing structure having a polygonal flange |
| 05/12/1982 | EP0051577A1 Method of producing friction wheels for pyrophoric lighters |
| 03/16/1982 | US4319477 Method and tool for producing a bushing structure having a polygonal flange |
| 11/17/1981 | US4300378 Method and apparatus for forming elongated articles having reduced diameter cross-sections |
| 10/13/1981 | US4294101 Method of making single or double flanged track tractor roller for off-highway equipment |
| 04/28/1981 | US4263707 Method of actuator rod manufacture |
| 01/20/1981 | US4245491 Method and device for producing hollow articles having flanges |
| 07/15/1980 | CA1081438A1 Press forming of flanged articles |
| 10/03/1979 | EP0004419A1 Method of manufacturing an actuator rod |
| 09/25/1979 | US4168619 Process for forging metallic nozzles |
| 05/01/1979 | US4151734 Process for manufacturing welding necks and the like |
| 04/24/1979 | CA1052988A1 Method of forming a header assembly |
| 02/14/1978 | US4073174 Process of forging large seamless ferrous-metal welding necks and other cylindrical articles |
| 12/13/1977 | US4062701 Method of forming end flanges |
| 08/23/1977 | US4043015 Method of forming a header assembly |
| 07/13/1976 | US3968919 Method of forging a solid head on a hollow steel tube |
| 05/25/1976 | US3958441 Skid resistant surface and method and apparatus for forming the same |
| 04/06/1976 | US3948013 Cold forged steel grating |
| 02/03/1976 | US3936624 Multifinger contact |