| Patents for B21K 1 - Making machine elements (7,621) |
|---|
| 06/16/1981 | US4272978 Progressive stage forging machine |
| 06/16/1981 | US4272877 Method of manufacturing mechanical parts from metal scrap |
| 06/09/1981 | CA1102590A1 Brake-rod jaw with twisted forks |
| 06/09/1981 | CA1102513A1 Machine for forming a head on a shank, such as a nail or a screw |
| 05/20/1981 | EP0028747A1 Nut and method of forming the same |
| 05/05/1981 | US4265388 Process for manufacture of assembled cam shaft |
| 05/05/1981 | US4265105 Forging apparatus |
| 04/28/1981 | US4263799 Method and machine for forming a lump on the end of a pipe |
| 04/28/1981 | US4263797 Method of reclaiming used railroad spikes |
| 04/28/1981 | US4263707 Method of actuator rod manufacture |
| 04/21/1981 | CA1099538A1 Warm forging of connecting rod caps |
| 03/10/1981 | US4254540 Stamped bevel gear |
| 03/03/1981 | US4253323 Method for manufacturing high precision slugs |
| 02/24/1981 | US4252011 Die assembly for use in forging operation |
| 02/17/1981 | US4250730 Device for the ejection of a shaped workpiece at the male die on a cross-feed press for non-cutting metal shaping |
| 02/10/1981 | CA1095468A1 Coilable concatenated perforated and straightened fastener strip production |
| 02/10/1981 | CA1095399A1 Die holder assembly |
| 01/28/1981 | EP0022872A1 Method of manufacturing inner race of synchronous universal joint |
| 01/20/1981 | US4245491 Method and device for producing hollow articles having flanges |
| 01/14/1981 | EP0022155A1 Method and device for the manufacture of bevel wheels |
| 01/14/1981 | EP0022154A1 Device for non-cutting manufacture of metallic bevel wheels |
| 01/13/1981 | US4244206 Toothed belt pulley |
| 01/07/1981 | EP0021166A1 Forging device |
| 01/06/1981 | US4242896 Apparatus for forming long workpieces in presses |
| 12/30/1980 | US4241598 Method for producing a cross-slotted heading die |
| 12/23/1980 | CA1091873A1 Process for making shanks of connecting members, such as hinges for window and door frames, comprising lengths of different section with continuous uniform screw thread, and a hinge provided by such a process |
| 12/09/1980 | US4237567 Method of making a fastener strip |
| 12/09/1980 | US4237566 High speed machine for cold forging screws, rivets, and the like hardware |
| 11/25/1980 | CA1090170A1 Forging apparatus having means for radially moving blade die segments |
| 11/18/1980 | US4233880 Corrosion resistance |
| 11/11/1980 | US4232812 Apparatus for making a tri-metallic composite electrical contact |
| 10/29/1980 | EP0018230A1 Castor support shaft |
| 10/28/1980 | US4229875 Method of prestressing bolts |
| 10/07/1980 | US4226704 Collector discharge apparatus |
| 09/17/1980 | EP0015693A1 Manufacture of track rod ends |
| 09/17/1980 | EP0015648A1 Process for making an axle |
| 09/16/1980 | US4222260 Warm forging of connecting rod caps |
| 09/16/1980 | CA1085594A1 Heavy duty shackle |
| 09/03/1980 | EP0014837A1 Method for producing valve-housings from metal and apparatus for producing a valve-housing |
| 09/02/1980 | US4220379 Spiral grooved spherical bearing |
| 09/02/1980 | US4220277 Axle bodies |
| 08/19/1980 | CA1083797A1 Method of making an improved hose and tube coupling |
| 07/29/1980 | US4214333 Apparatus for trimming boltheads or the like |
| 07/23/1980 | EP0013545A1 Forging die and blank produced by using the die |
| 07/22/1980 | US4213351 Steering shaft and flange and method of making same |
| 07/22/1980 | CA1081926A2 Method of producing split bearing rings |
| 07/22/1980 | CA1081925A2 Method of producing split bearing rings |
| 07/15/1980 | CA1081438A1 Press forming of flanged articles |
| 07/01/1980 | CA1080520A1 Axle spindle forming apparatus and method |
| 06/24/1980 | US4208900 Axle spindle forming apparatus |
| 06/24/1980 | US4208899 Press for producing machine elements, especially balls, rivets and the like |
| 06/17/1980 | CA1079461A1 Double-ended heading punch and method |
| 06/12/1980 | WO1980001145A1 Method of manufacturing inner race of synchronous universal joint |
| 05/28/1980 | EP0011293A1 Device for cutting off a blank from bar stock and feeding the blank to the pressing tools of a doubly acting press |
| 05/27/1980 | US4204419 Brake-rod jaw with twisted forks |
| 05/27/1980 | US4204418 Machine and method for electric forging of the end of a metallic stick in a plane generally perpendicular to the stick |
| 05/27/1980 | CA1078227A1 Forging recessed configurations on a body member |
| 05/20/1980 | US4203336 Punch change mechanism for a double pressure pin press |
| 05/14/1980 | EP0010614A1 Method of fabricating valve housings with the highest degree of security applicable for example in a nuclear reactor |
| 05/13/1980 | US4202191 Fault detector |
| 04/29/1980 | CA1076314A1 Process and apparatus for the continuous and repetitive production of discrete articles from deformable materials |
| 04/15/1980 | CA1075505A1 Method and means for relieving stresses in die assemblies |
| 04/01/1980 | CA1074668A1 Steering shaft and flange and method of making same |
| 03/18/1980 | CA1073645A1 Method of splitting bearing rings |
| 02/05/1980 | CA1070994A1 Drill screw and die for producing same |
| 01/22/1980 | US4184217 Pinch-pointing machine |
| 01/01/1980 | CA1068888A Crankshaft-forming apparatus and method |
| 12/25/1979 | CA1068519A Method and apparatus for forming a disc having integral blades |
| 12/18/1979 | CA1068079A1 Blind rivet assembling |
| 12/11/1979 | CA1067683A2 Die for splining power transmission members |
| 11/27/1979 | US4175417 Workpiece forming machine |
| 10/17/1979 | EP0004679A1 Process for manufacturing a wheel of light metal for air-tyred motor vehicles |
| 10/09/1979 | US4170123 Convertible multiple blow two die cold header |
| 10/09/1979 | US4170051 Hydraulic and mechanical punch holder adjustment |
| 10/03/1979 | EP0004419A1 Method of manufacturing an actuator rod |
| 09/19/1979 | EP0004185A1 Improved method of making a nut with a captive washer, and a nut made by the method |
| 09/18/1979 | US4168458 Method and apparatus for detecting, signalling, and sorting inaccurately formed articles produced by a tool machine |
| 09/11/1979 | CA1062089A1 Apparatus for cold forming metal parts |
| 09/11/1979 | CA1061976A1 Eccentric press |
| 09/05/1979 | EP0003773A1 Process and apparatus for the cold extrusion of metal bushings, in particular, for tracks of track-laying tractors and the like |
| 09/04/1979 | US4166521 Stainless steel brake disc structure |
| 09/04/1979 | US4166373 Method of cold forming |
| 08/08/1979 | EP0003443A1 Improvements in or relating to rolling bearings |
| 07/25/1979 | EP0003139A1 A method, slug and device for forging a crank shaft |
| 07/10/1979 | US4160300 Hammer for forming an undercut fastener driving slot |
| 07/10/1979 | CA1058108A1 Method for forming a track link bushing having a contoured opening |
| 06/19/1979 | CA1056876A1 Process and method for making one-piece wheels by stamping opin-turning |
| 06/12/1979 | CA1056184A1 Threaded fastener |
| 05/29/1979 | CA1055280A1 Apparatus and method for removing a plurality of blade dies |
| 05/15/1979 | CA1054501A1 Method for fabricating packaged wheels for heavy duty vehicules_ |
| 05/01/1979 | US4151621 Tools for punching fastener heads |
| 05/01/1979 | CA1053413A1 Device for multistage forming of screws |
| 04/24/1979 | US4150557 Forging apparatus having means for radially moving blade die segments |
| 04/24/1979 | US4150466 Method of making an improved hose and tube coupling |
| 04/24/1979 | US4150452 Punch stripper |
| 04/24/1979 | US4150451 Die holder assembly |
| 04/17/1979 | US4149287 Method and apparatus for pinch pointing screw blanks |
| 04/10/1979 | US4148233 Method of making a double-ended heading punch |
| 04/03/1979 | CA1051645A1 Manufacture of die stamped wheels_ |
| 03/27/1979 | US4145798 Forging recessed configurations on a body member |