Patents
Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577)
03/1992
03/10/1992US5094796 Elastically deformable die and method of die forming using the die
03/03/1992US5093209 Support jacket with bonded wear and corrosion resistant lining
03/03/1992CA1296551C Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
02/1992
02/19/1992CN1058738A Nickel ambrose alloy ball-point pen refill blank cold-forging formed process
02/19/1992CN1058737A Making method of high-pressure three-way pipe joint
01/1992
01/21/1992US5083008 Method for the manufacture of die-forged or die-stamped workpieces
01/14/1992US5080854 Method of die forming using elastically deformable die
01/07/1992US5078806 Structural Use In Aerospace And Automotive Industries
12/1991
12/31/1991US5076882 Shaping apparatus for a synchronizer ring
12/17/1991US5073207 Process for obtaining magnesium alloys by spray deposition
12/16/1991WO1991019822A1 Method for forging rapidly solidified magnesium base metal alloy billet
12/16/1991CA2084415A1 Method for forging rapidly solidified magnesium base metal alloy billet
12/10/1991US5071474 Method for forging rapidly solidified magnesium base metal alloy billet
11/1991
11/27/1991EP0458100A1 Method for the manufacture of mating profiles
11/12/1991CA1291866C Method of producing wheels of light alloy
10/1991
10/31/1991WO1991004117A3 Billet pre-piercer apparatus and method
10/09/1991CN1055132A Machining method and apparatus of dies for precise forge of bevel gears
10/08/1991US5054301 Method of forming metallic product
10/03/1991WO1991014523A1 Device for hydro-mechanical forming of articles
10/01/1991CA2034370A1 Process for identification evaluation and removal of microshrinkage
09/1991
09/24/1991US5050419 Method for eliminating of longitudinal upset seams
09/24/1991CA1289390C Fully enclosed die forging apparatus
09/05/1991WO1991013181A1 Method for superplastic forming of rapidly solidified magnesium base metal alloys
08/1991
08/28/1991CN1054022A Preparing technology for electric conducting wear-resistant alloy
08/13/1991US5039355 Process for obtaining parts made of copper of very fine texture from a billet made by continuous casting
07/1991
07/31/1991EP0439251A1 Production method for forged component made of composite material
07/27/1991CA2033528A1 Production method for forged component made of composite material
07/25/1991DE4032602C1 Axial adjustment spacer for bearings - has oversize blank placed in press and upset between plates
07/02/1991US5028386 Process for the production of tools
07/02/1991US5027996 Method of manufacturing a hollow shaft with internal swellings of revolution and shaft obtained by this method
06/1991
06/25/1991US5026520 Fine grain titanium forgings and a method for their production
06/11/1991US5022931 Injecting inert gas into hole, fastening a cap, heating
05/1991
05/29/1991EP0429327A1 Manufacturing method and apparatus to produce a shell and telescopic articulated universal joint including that shell
05/28/1991CA1284450C Nickel base superalloy articles and method for making
05/15/1991EP0426935A2 Process for hot working article defining hole at the center thereof
04/1991
04/16/1991US5007274 Billet pre-piercer apparatus and method
04/16/1991US5007266 Successive cold working process
04/10/1991EP0421144A2 Expanding tool
04/10/1991EP0421143A2 Expanding tool for a shaping device
03/1991
03/26/1991US5001920 Method and apparatus for manufacturing a constant velocity joint and the like
03/21/1991WO1991004117A2 Billet pre-piercer apparatus and method
03/13/1991EP0416296A1 Procedure of making workpieces embossed or forged in a die
03/06/1991CN1011866B Active compacting forging method
03/05/1991US4996863 Radially convergent hot forging apparatus and method
02/1991
02/27/1991EP0414620A1 Method for making magnesium alloys by spray coating
02/25/1991CA2023900A1 Preparation of magnesium alloys by a spray deposition process
01/1991
01/24/1991DE3923716A1 Burr removal on forgings moulded using two axially movable rams - has burr formed in gap between ram and mould face and removed by closing gap by moving ram towards mould
01/16/1991EP0270538B1 Tool for and method of making hollow articles
01/15/1991US4984443 Plastic working method and apparatus
01/10/1991CA2009649A1 Dual-alloy disk system
01/09/1991CN1048412A Method of forming compacts
01/08/1991US4982592 Method of extruding channeled sleeves
12/1990
12/31/1990CA2017867A1 Methods of making high performance compacts
12/18/1990US4977773 Double action die set for closed forging
11/1990
11/20/1990US4970887 Method and apparatus for upsetting forged bars
11/14/1990CN1046865A Automobile transmission shaft universal-joint fork squeezing die forming technology and die set
11/06/1990US4967584 Method of making a forging in closed-dies
10/1990
10/30/1990US4966023 Staged tool for boring a hole in an element by axial penetration of the tool
10/18/1990DE4010268A1 Magnetic forming of metals - using electric-magnet with superconductive coils
10/17/1990EP0392644A2 Method of removing longitudinal upset beads
10/13/1990CA2011736A1 Method and means for metal working using superconducting magnetohydrodynamics
10/03/1990CN1045716A Method and apparatus for upsetting forged bars
09/1990
09/26/1990EP0389367A1 Method of making very fine-grained copper pieces from continuously cast blanks
09/26/1990CN1009741B Nickel base superalloy articles and method for making
09/04/1990US4954170 Methods of making high performance compacts and products
08/1990
08/08/1990EP0381556A1 Tubular pin with internal bulges, and process for making the same
08/07/1990US4945750 One step powder metallurgy
08/07/1990CA1272371A1 Tool for and method of making hollow articles
07/1990
07/17/1990US4941339 Tool bits and method of shaping
07/04/1990CN1043454A Hand straight shank link lever punching device
07/03/1990US4938052 Can containment apparatus
06/1990
06/28/1990DE3842979A1 Method for the production of a short-shank head part
06/26/1990US4936133 Method for manufacturing an element having grooved trunnions and forming method for grooving the trunnions
06/14/1990WO1990006194A1 Device for cyclic deformation of continuous strip
06/05/1990US4930207 Method and apparatus for continuous compression forging of continuously cast steel
06/05/1990CA1270047A1 Method and apparatus for controlling the concentration of a chemical solution
05/1990
05/31/1990WO1990002479A3 Dual-alloy disk system
05/23/1990EP0369789A2 Plastic working method and apparatus
05/22/1990US4926534 Method for manufacturing a poppet valve head
05/09/1990EP0367358A2 Method of making semi-finished products
05/01/1990US4921664 Extrusion, machining
04/1990
04/24/1990US4918970 Fully enclosed die forging apparatus
04/24/1990US4918969 Forging method for a hollow article
04/24/1990US4918967 Fully enclosed die forging apparatus
04/10/1990US4914938 Fully enclosed die forging apparatus
03/1990
03/22/1990WO1990002479A2 Dual-alloy disk system
03/21/1990EP0359386A2 Method and apparatus for press-forming intricate metallic shapes such as spool valve elements
03/21/1990EP0358784A1 Apparatus for manufacturing a constant velocity joint
03/14/1990CN1040339A Composition steel component and the method for making same
03/13/1990US4907436 Step forging press
03/08/1990WO1990002006A1 Method and instrument for making blanks from slab
02/1990
02/28/1990EP0356118A2 Old extrusion process for internal helical gear teeth
02/27/1990US4904137 Rivet installation method and construction
02/21/1990CN1006860B Forging process
02/20/1990US4901556 Loading a segmented die and ejecting a component formed therein
02/14/1990EP0354682A2 Cold extrusion process for internal gear teeth
02/08/1990WO1990000949A1 Method and instrument for making blanks from a slab
02/07/1990EP0353788A2 Press apparatus for reducing widths of hot slabs and slab widths reducing method using the apparatus
02/07/1990EP0353231A1 Process and apparatus for forging one piece track roller rim.
01/1990
01/08/1990EP0353231A4 Process and apparatus for forging one piece track roller rim.
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