| Patents for B21K 1 - Making machine elements (7,621) |
|---|
| 07/21/1987 | US4680823 Method of making a self-locking blind fastener |
| 07/08/1987 | EP0122921B1 Manufacture of article having undercut internal surface |
| 07/01/1987 | EP0121531B1 Tool for and method of making hollow articles |
| 06/16/1987 | US4672729 Method for machining clutch gear for automobile transmission |
| 06/09/1987 | US4671095 Method for forming work-pieces by drop forging |
| 06/04/1987 | WO1987003330A1 Method of making pump rods |
| 06/02/1987 | US4669141 Method of making a threaded insert |
| 06/02/1987 | CA1222478A1 Apparatus and process for forming articles by heading |
| 05/27/1987 | EP0222855A1 Method for fabricating a hose adapter for threaded or nested nipples subjected to hydraulic loads. |
| 05/20/1987 | EP0222053A2 Improvements introduced in the blind rivets mounter machines |
| 05/12/1987 | US4663812 Method of manufacture of manifolds |
| 05/07/1987 | DE3636860A1 Multi-stroke moulding press |
| 05/05/1987 | US4662267 Swash plate type compressor shoe |
| 05/05/1987 | US4662047 Method of making a one-piece piston for an internal-combustion engine |
| 04/29/1987 | EP0220031A2 Forging method and forging apparatus |
| 04/23/1987 | WO1987002432A1 Lock nut and method for making same |
| 04/09/1987 | DE3535594A1 Headed screws for automatic assembly operations - are connected head to shank end to form one-piece continuous string held in wound form |
| 04/07/1987 | US4654912 Production of threaded metal rods for making U-bolts |
| 03/31/1987 | US4653305 Apparatus for forming metallic article by cold extrusion |
| 03/31/1987 | US4653165 Method for making a poly-V grooved pulley with interior ribs |
| 03/31/1987 | US4653162 Assembly and method for coining a precision corner break on an oil metering flat |
| 03/24/1987 | US4651551 Means for manufacturing components of rotary valves |
| 03/19/1987 | DE3529345A1 Method for producing a hook-headed screw from stainless steel for C-shaped anchoring rails consisting of stainless steel |
| 03/18/1987 | EP0214688A1 A method, a die and a device for manufacturing a self locking nut |
| 03/17/1987 | US4649731 For producing cylindrical objects |
| 03/17/1987 | US4649728 Integral joint forming of work-hardenable high alloy tubing |
| 03/04/1987 | CN85106167A Forging process |
| 03/03/1987 | US4646554 Process for the manufacture of a rack |
| 03/03/1987 | US4646552 Process for manufacturing universal joint |
| 03/03/1987 | US4646551 Apparatus for forging of crankshafts in presses |
| 02/26/1987 | WO1987001062A1 Process for the production of flanges or collars on hollow parts by lateral extrusion |
| 02/26/1987 | WO1987001061A1 Tool for and method of making hollow articles |
| 02/24/1987 | US4644777 Device for grooving cylindrical workpieces |
| 02/19/1987 | DE3528464A1 Method for the production of a camshaft |
| 02/10/1987 | US4641406 Method of forming a rack member |
| 02/04/1987 | EP0210268A1 Transition pieces. |
| 01/27/1987 | US4639568 Apparatus and method for finishing fuel injector spray tips using EDM |
| 01/27/1987 | US4638540 Method for manufacturing railway wheels |
| 01/21/1987 | EP0209305A2 Method and apparatus for making screws having a drill section and a reamer section |
| 01/21/1987 | CN85106018A Combination process for casting and forging of connecting rod |
| 01/20/1987 | US4637768 Nail-type fastener, and process for manufacturing such fasteners |
| 01/20/1987 | US4637112 Method for shaping aluminum wheel |
| 01/14/1987 | EP0207988A1 Screw |
| 01/06/1987 | US4634401 Journal cross with high fatigue strength |
| 12/30/1986 | EP0206235A2 Method and apparatus for upsetting steel rods |
| 12/30/1986 | CA1215867A1 Method of forging crank shaft, and rough forging mold and finish forging mold |
| 12/30/1986 | CA1215866A1 Torsional molding apparatus for crank shaft |
| 12/30/1986 | CA1215804A1 Method and apparatus for making prevailing torque nuts |
| 12/09/1986 | CA1214928A1 Manufacture of article having undercut internal surface |
| 11/25/1986 | US4624024 Method for the manufacture of a self-locking nut |
| 11/20/1986 | WO1986006813A1 Method for fabricating a hose adapter for threaded or nested nipples subjected to hydraulic loads |
| 11/20/1986 | EP0201619A1 Method for the rectification of a railroad wheel profile while saving material |
| 11/20/1986 | EP0201499A1 Tool for and method of making hollow articles |
| 11/18/1986 | US4622842 Die for extruding toothed helical members |
| 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 |
| 10/29/1986 | EP0199428A2 Manufacture of tubular members with at least one enlarged end |
| 10/28/1986 | US4619096 Rebar splicing and anchoring |
| 10/21/1986 | US4617819 Wire cutting and forming machine with balanced masses |
| 10/07/1986 | CA1212267A1 Forging die package |
| 09/23/1986 | US4612795 Method of forming a groove in a valve seat and the tool used in this method |
| 09/16/1986 | US4611391 Commutator ring manufacturing method and apparatus |
| 09/16/1986 | US4611373 In a race member of a universal joint |
| 09/09/1986 | US4610155 Manufacture of article having undercut internal surface |
| 08/28/1986 | WO1986004973A1 Transition pieces |
| 08/26/1986 | US4608094 Varying properties due to varying treatments |
| 08/26/1986 | US4607514 Method of forming a metal part having an annular flange |
| 08/19/1986 | CA1209924A1 Low cycle fatigue crack elimination for integrally bladed disks |
| 08/06/1986 | EP0189447A1 Forging process. |
| 08/05/1986 | US4603923 Inner race for a swashplate mechanism |
| 07/29/1986 | US4602524 Method of manufacturing bicycle chain drives |
| 07/22/1986 | US4601192 Method of producing an expansion sleeve for a metallic expansion dowel assembly |
| 07/22/1986 | US4601191 Outerrace of universal joint with cross grooves |
| 07/17/1986 | WO1986004121A1 Screw |
| 07/16/1986 | EP0187623A1 Apparatus for cold-pressing a tapered thread |
| 07/15/1986 | US4599775 Method for manufacturing synchronizer clutch teeth |
| 07/09/1986 | EP0186856A1 Joint having ball and shaft coupled through plastic deformation |
| 07/09/1986 | CN85109278A Connector jointing the sphere and shafts with plastic variable-shap |
| 07/08/1986 | US4598451 Method of producing a rack from pipe material and a rack thus produced |
| 07/03/1986 | WO1986003705A1 Method for producing a single piece valve box for a rotary slide valve |
| 07/02/1986 | CN85202826U Polydirectional stamping apparatus of pipe connection |
| 06/19/1986 | WO1986003437A1 Press device for producing a steering rack |
| 06/17/1986 | CA1205990A1 Method of manufacturing tri-pot universal joint housings |
| 06/11/1986 | EP0082841B1 A tool for making rivet nails or expansion nails |
| 05/28/1986 | EP0182346A2 Method of manufacturing bicycle chain drives |
| 05/27/1986 | US4591089 Method of making a composite forged-metal article |
| 05/27/1986 | US4590782 Making of a bevel gear |
| 05/27/1986 | US4590780 Process and apparatus for producing at least two forgings on a hot-forming press |
| 05/20/1986 | US4589155 Method for making a nut for a blind fastener |
| 05/13/1986 | US4587828 Rough forging mold and finish forging mold |
| 05/06/1986 | US4586231 Manufacture of metal articles from wire |
| 05/06/1986 | CA1204005A1 Method and apparatus for making steering rack bars |
| 04/23/1986 | EP0179000A1 Method of making a coupling by die-forging, and symmetric coupling made according to this method |
| 04/16/1986 | EP0178180A2 Metal forming process, apparatus therefor and product thereof |
| 04/10/1986 | CN85106696A Processes for light-alloy wheels |
| 04/09/1986 | EP0177334A2 Improved means for manufacturing components of rotary valves |
| 04/09/1986 | EP0177333A2 Manufacture of valve cores |
| 04/08/1986 | US4580432 Method of making a metal cruciform journal forging |
| 04/08/1986 | US4580431 Method and apparatus for producing a stepped hollow article |
| 04/08/1986 | US4580430 Torsional molding apparatus for crank shaft |
| 04/01/1986 | US4579604 Method of spin forging a finished article |