Patents
Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577)
09/1987
09/15/1987US4693109 Self-aligning tool assembly for die shaping workpieces
09/08/1987CA1226535A1 Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet and fixture for forming said bottom
09/02/1987EP0233938A1 Rivet installation method and construction.
09/01/1987US4689983 Method for producing worm shaft for use in power steering apparatus
09/01/1987US4689864 Method of making valve sleeves
08/1987
08/25/1987US4688317 Rivet installation method
07/1987
07/28/1987CA1224648A1 Kinetic energy penetrator
07/08/1987EP0122921B1 Manufacture of article having undercut internal surface
07/01/1987EP0227001A2 Method for manufacturing tools
07/01/1987EP0121531B1 Tool for and method of making hollow articles
06/1987
06/11/1987DE3542967A1 Method and apparatus for smoothing workpieces in hammer forging in forging presses
06/10/1987EP0224783A2 Method of free forging of work pieces and forging tool
06/03/1987EP0224333A2 Press apparatus for reducing widths of hot slabs
05/1987
05/20/1987EP0222422A2 Cold-working tool
05/07/1987DE3541805C1 Tube-end upsetting plant
05/06/1987EP0220800A1 A powder-metallurgy method for producing tubular product
05/05/1987US4662205 Machine for cold die casting malleable metals
04/1987
04/29/1987EP0220031A2 Forging method and forging apparatus
04/21/1987CA1220652A1 Part forming apparatus by flow forging
04/21/1987CA1220650A1 Powder forging of aluminium and its alloys
04/09/1987WO1987001979A1 Method for manufacturing a tool handle
03/1987
03/31/1987US4653310 Die assembly for use in general type mechanical press machine
03/31/1987US4653305 Apparatus for forming metallic article by cold extrusion
03/31/1987US4653162 Assembly and method for coining a precision corner break on an oil metering flat
03/26/1987DE3533426A1 Method and apparatus for the production of formed parts
03/24/1987US4651551 Means for manufacturing components of rotary valves
03/24/1987US4651550 Method of decreasing width of thin slab and apparatus therefor
03/17/1987US4649731 For producing cylindrical objects
03/04/1987CN85106167A Forging process
02/1987
02/26/1987WO1987001061A1 Tool for and method of making hollow articles
02/26/1987WO1987001060A1 Rivet installation method and construction
02/25/1987CN86200507U Three-way compound die device with die-forging cutting shoulder punched hole and correction
02/24/1987US4644776 Method of making a low-alloy forging
02/18/1987CN85106120A Forging method for strain mould
02/17/1987US4643011 Method of manufacturing a cylinder member of a cylinder piston unit
02/03/1987US4640814 Filling cavity with metal particles, then concureent heating and forging
02/03/1987US4640114 Automated process for cold working holes
01/1987
01/21/1987CN85106018A Combination process for casting and forging of connecting rod
01/13/1987US4635460 Apparatus for and method of the plastic forming of materials
01/07/1987CN85104876A Method and apparatus for indirect extrusion
12/1986
12/30/1986EP0206235A2 Method and apparatus for upsetting steel rods
12/30/1986CA1215866A1 Torsional molding apparatus for crank shaft
12/10/1986EP0204043A2 Method of forming a metal part having an annular flange
12/09/1986CA1214951A1 Apparatus and process for producing shaped metal parts
12/09/1986CA1214928A1 Manufacture of article having undercut internal surface
12/02/1986US4625533 Method and apparatus for increasing thickness of tubular member
11/1986
11/20/1986EP0201499A1 Tool for and method of making hollow articles
11/05/1986CN86102935A Cutting tool and method and apparatus for its production
10/1986
10/28/1986US4619574 Loading equipment for manipulating tubes in upsetting presses
10/28/1986US4619129 Method of and apparatus for forming blanks by hydroplastic deformation
10/28/1986US4619096 Rebar splicing and anchoring
10/15/1986CN86101932A Method for manufacturing gear strip
10/14/1986US4616499 Precipitation hardening of aluminum alloys, forging, heat treatment, aging
10/07/1986CA1212267A1 Forging die package
09/1986
09/23/1986US4612795 Method of forming a groove in a valve seat and the tool used in this method
09/16/1986US4612062 Process for producing a fine-grained workpiece from a nickel-based superalloy
09/16/1986US4611482 Closed die forging apparatus
09/16/1986US4611391 Commutator ring manufacturing method and apparatus
09/09/1986US4610155 Manufacture of article having undercut internal surface
09/02/1986US4609526 Powder metallurgy, steel tools and dies
09/02/1986US4609118 Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet
09/02/1986US4608848 Part forming apparatus by flow forging
09/02/1986US4608742 Forged dissimilar metal assembly and method
08/1986
08/26/1986US4608094 Varying properties due to varying treatments
08/26/1986US4607515 Kinetic energy penetrator
08/26/1986US4607514 Method of forming a metal part having an annular flange
08/20/1986EP0191663A2 Automated process for cold working holes
08/19/1986US4606884 Composite billet for hot transformation
08/12/1986CA1209382A1 Method and apparatus for trimming forgings
08/12/1986CA1209326A1 Method for controlling properties of metals and alloys
08/06/1986EP0189447A1 Forging process.
08/06/1986CN85100360A Double forming forging for angle milling cutter blank
07/1986
07/22/1986US4601186 Process and apparatus for achieving narrow workpiece tolerances in drop-forging, especially in isothermal forging
07/16/1986CN85100078A Combined forging reduction hole punching technology and its die set
07/08/1986US4598856 Process for making bimetallic seamless tubing of steel or special alloys for extrusion
07/03/1986WO1986003705A1 Method for producing a single piece valve box for a rotary slide valve
06/1986
06/17/1986US4594874 Method of forming socket wrenches from tubing
05/1986
05/06/1986US4586365 Apparatus for automatically transporting work-pieces in a drop forging press
04/1986
04/10/1986CN85106696A Processes for light-alloy wheels
04/09/1986EP0177334A2 Improved means for manufacturing components of rotary valves
04/09/1986EP0177333A2 Manufacture of valve cores
04/08/1986US4580431 Method and apparatus for producing a stepped hollow article
04/08/1986US4580430 Torsional molding apparatus for crank shaft
04/01/1986US4579602 Forging process for superalloys
04/01/1986US4578983 Press type method of and apparatus for reducing slab width
03/1986
03/12/1986EP0174001A2 Part forming apparatus by flow forging
02/1986
02/26/1986EP0172300A1 Method and device for obtaining close work piece tolerances in forging processes, in particular in isothermic forging processes
02/13/1986WO1986000838A1 Forging process
02/11/1986US4569218 Apparatus and process for producing shaped metal parts
01/1986
01/02/1986EP0165935A1 Kinetic energy penetrator
12/1985
12/31/1985US4561274 Method of and apparatus for forging hollow blank member
12/24/1985US4559804 Method and apparatus for forging wedge-shaped parts
12/24/1985US4559803 Tool for making hollow articles
12/11/1985EP0163769A2 A method and a machine for producing a metallic ring with specially contoured surfaces from a ring-shaped blank of selected cross-section
12/03/1985US4555925 Method and apparatus for preforming a billet with no draft and no flash
11/1985
11/27/1985EP0162549A1 Method of producing high speed, tool and die steel articles
11/12/1985US4552009 Upsetter
11/05/1985CA1196217A1 Flow drilling process and tool therefor
10/1985
10/22/1985US4548253 Reinforcing material and inorganic binder added to metal matrix
10/16/1985EP0157894A1 Method and apparatus for increasing thickness of tubular member
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56