Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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12/29/1999 | EP0967029A1 Tool for hot punching and calibrating of workpieces |
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 |
12/23/1999 | WO1999066226A1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube |
12/23/1999 | WO1999066100A1 Metal article with fine uniform structures and textures and process of making same |
12/23/1999 | WO1999066092A1 Bearing material for cold rolling forming and forming member thereof |
12/22/1999 | CN1239172A Processing method and connection structure of joint end of reinforced special and steel for concrete |
12/21/1999 | CA2102336C Process of manufacturing one-piece forged wheels |
12/14/1999 | US6000269 Method of forging and forging equipment |
12/07/1999 | US5996456 Punching apparatus |
12/07/1999 | US5996390 Method for manufacturing vacuum chamber |
12/02/1999 | DE19922046A1 Forming and producing a finished crankshaft |
11/25/1999 | WO1999029450A8 Process for shaping a work piece |
11/23/1999 | US5989365 A forging ingot without needing surface cutting formed by casting within mold whereby the sprue hole is plugged after pouring to cause unidirectional solidified crystal structure |
11/23/1999 | US5989026 Ceramic two-piece dental abutment |
11/23/1999 | US5987749 Method of manufacturing a dynamic groove bearing, die suitable for use in such a method, and housing and bearing part manufactured by such a method |
11/18/1999 | WO1999047303A9 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
11/17/1999 | EP0956914A2 Apparatus and method for near net warm forging of complex parts from axi-symmetrical workpieces |
11/16/1999 | US5984680 Anti-rotational connecting mechanism |
11/16/1999 | US5983698 Easy removed die core device used for cold swaging |
11/11/1999 | DE19912841A1 Transmission component production process e.g. for sprocket for toothed belt |
11/10/1999 | EP0955113A1 Process for manufacturing pieces of casting alloys, especially of aluminium |
11/10/1999 | EP0955110A2 Method and device for flow-turning |
11/10/1999 | CN1046223C Method and apparatus for precision rotary forging |
11/09/1999 | US5979209 Method of forming a torsion bar with hexagonal heads |
11/07/1999 | CA2271115A1 Flow forming method and device |
11/04/1999 | WO1999055475A1 Method for hot pressing workpieces |
11/04/1999 | CA2270751A1 Production process for cast alloy workpieces, especially aluminum parts |
11/03/1999 | EP0953653A1 Method for producing forged iron-nickel-base superalloys |
11/02/1999 | US5976053 Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom |
10/26/1999 | US5970776 Apparatus for forming a cup-shaped cage |
10/21/1999 | WO1999052666A1 Process for manufacturing a captive screw |
10/21/1999 | CA2328161A1 Process for manufacturing a captive screw |
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 |
10/07/1999 | DE19815264A1 Precision metal profile forming method |
10/06/1999 | EP0947642A2 Method of working connection end of deformed bar for reinforcing concrete, deformed bar worked by the method and structure of connecting deformed bar |
09/30/1999 | DE19911118A1 Process for manufacturing shaft fitted with drive wheel forming part of drive train |
09/29/1999 | EP0945199A2 Thin, forged magnesium alloy casing and method for producing the same |
09/28/1999 | US5956988 Process for heading pipe ends and device for implementing it |
09/23/1999 | WO1999047303A1 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
09/23/1999 | DE19911500A1 Forging device for spherical angled teeth |
09/23/1999 | DE19903360A1 Coupling hub flange making process |
09/23/1999 | CA2323779A1 Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
09/14/1999 | US5950481 Stepped, segmented, closed-die forging |
09/07/1999 | US5948523 Tool for coldforming operations |
09/07/1999 | US5946963 Bevel gear hot-forging apparatus |
09/01/1999 | EP0583381B1 Precision forming apparatus, method and article |
08/31/1999 | US5943897 Method for making a hole in a plate and a punch for making such a hole |
08/18/1999 | EP0764298A4 Method for manufacturing flashless metal connecting rod |
08/12/1999 | WO1999039851A1 Method of producing circular cylinder member |
08/12/1999 | WO1999039850A1 Method and tool for formation of an enlarged end portion of a bar |
08/11/1999 | CN2332501Y Four-roller roll forging machine |
08/11/1999 | CN1225689A Tool for coldforming operations |
08/10/1999 | US5934135 Apparatus and method for near net warm forging of complex parts from axi-symmetrical workpieces |
08/10/1999 | CA2185815C Method for making upset ends on metal pipe and resulting product |
08/05/1999 | WO1999039018A1 Steel and method for making cleavable mechanical parts |
07/29/1999 | DE19802565A1 Deforming device for bore pressing |
07/28/1999 | CN1224375A Method of fabricating shaft from metal plate |
07/22/1999 | WO1999036207A1 Forging of workpieces |
07/08/1999 | DE19856986A1 Production of drilling tool |
07/01/1999 | WO1999032245A1 Drilling tool for machine tools and method for the production thereof |
06/17/1999 | WO1999029450A1 Process for shaping a work piece |
06/17/1999 | DE19754091A1 Work piece machining process for precision forming of teeth |
06/09/1999 | CN1218726A Mould-free direct forging and forming method for metal material sculpture |
06/08/1999 | US5910052 Process for manufacturing a captive screw |
05/26/1999 | EP0917917A1 Method and device for cold forming of hollow members |
05/20/1999 | WO1999024631A1 Forged brass product and cut brass product having high corrosion resistance and method of manufacturing the same |
05/18/1999 | US5903967 Double cylinder body and a manufacturing method thereof |
05/12/1999 | EP0914487A1 Tool for coldforming operations |
05/06/1999 | EP0912270A1 Method for producing axially symmetric parts and the article |
05/06/1999 | DE19850155A1 Hemispherical slide piece for swing disc compressor |
05/06/1999 | DE19746840A1 Leakproof closure of a bore in a malleable aluminum alloy workpiece |
05/04/1999 | US5898997 Method for manufacturing a wheel bearing spindle |
04/28/1999 | CN2316068Y Automobile generator claw-pole blank finish forging die |
04/28/1999 | CN1214974A Cold-forging forming method for cover of gas generator of car safety air-bag |
04/27/1999 | US5896642 Die-formed amorphous metallic articles and their fabrication |
04/21/1999 | EP0909339A2 Method for processing billets from multiphase alloys and the article |
04/21/1999 | CN1043017C Working method of tapered hole |
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 | WO1998046943A9 Method and apparatus for containing and suppressing explosive detonations |
04/08/1999 | WO1999016561A1 Method for pneumatic isostatic processing of a workpiece |
04/08/1999 | WO1999016560A1 Method of producing a series of individual forged articles from feedstock produced on a continuous rotary extrusion machine; and apparatus operating in accordance with such a method |
04/08/1999 | CA2305373A1 Method for pneumatic isostatic processing of a workpiece |
04/06/1999 | CA2100309C Device for and method of forging a helical gear |
04/01/1999 | DE19742519A1 Sleeve seat making process for cardan shaft |
03/31/1999 | EP0739256B1 Method of making a screw thread on a corrugated bar |
03/23/1999 | US5884569 Method and apparatus for containing and suppressing explosive detonations |
03/17/1999 | CN1210767A Apparatus for and method of sizing helical gears |
03/11/1999 | DE19830816A1 Method and apparatus for flow rolling |
03/10/1999 | CN2309912Y Hydraulic upsetting machine |
03/09/1999 | US5878491 Process for the manufacture of a forged connecting rod |
03/03/1999 | EP0899036A2 Apparatus for and method of sizing helical gears |
03/03/1999 | EP0883779A4 Method and apparatus for containing and suppressing explosive detonations |
03/03/1999 | CN1042305C Forming process for hollow sucker and and die thereof |
03/03/1999 | CN1042304C Pumping-rod forging-forming process and die thereof |
02/18/1999 | WO1999007497A1 Full enclosed die forging method, full enclosed die forging apparatus, and product of forging |
02/17/1999 | EP0800425B1 Method of manufacturing internally geared parts |