| Patents for B21K 1 - Making machine elements (7,621) |
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| 11/05/1992 | DE4105216A1 Self locking safety device for screws and cap nuts - has break in screw thread ensuring force locking and keyed engagement |
| 11/03/1992 | US5160108 Process and tool for producing a barrel for a telescopic universal transmission joint |
| 10/29/1992 | WO1992018266A1 Method of manufacturing an unthreaded cylindrical shaft section on a fastener bolt or fastener element, and a drop-forging unit for carrying out the method |
| 10/21/1992 | EP0509610A1 Procedure for production of vehicle wheels |
| 10/21/1992 | CN1018722B Method of machining oblong workpiece and machine for performing method |
| 10/20/1992 | CA2066285A1 Procedure for production of vehicle wheels |
| 10/15/1992 | WO1992017730A1 Drill casing connectors |
| 10/14/1992 | EP0508096A1 Method of making an expanding dowel of metal |
| 10/07/1992 | EP0507474A1 method of manufacture of a long point drill screw |
| 10/06/1992 | US5152614 Linear ball bush |
| 09/24/1992 | DE4109407A1 Precision forging press with hydraulically actuated tool - forges workpiece in single stroke of press |
| 09/23/1992 | EP0504995A1 Pinch-pointing jaws |
| 09/16/1992 | CN1018241B Method for manufacturing piston rings |
| 09/15/1992 | US5146668 Method for manufacturing part for floating nut assembly |
| 09/15/1992 | CA1307389C Method and apparatus for manufacturing a constant velocity joint and the like |
| 09/09/1992 | EP0502746A1 Production of rivet-nuts |
| 09/02/1992 | EP0500969A1 Integral type wheel made of light metal having grain flow metallographic structure |
| 09/01/1992 | USRE34046 Heavy duty shackle |
| 08/27/1992 | DE4108407C1 Die holder for forming toothed profile - has die retained in holder by coaxial, exchangeable, intermediate, conically tapering sleeve |
| 08/27/1992 | DE4034445A1 Self locking threaded fastener - has angled cut to form sprung section of thread |
| 08/12/1992 | CN1063430A Method for manufacture of integrated bicycle hub |
| 07/23/1992 | WO1992011958A1 Method and apparatus for cold extruding universal seal crosspieces |
| 07/21/1992 | US5131123 Methods of manufacturing a bullet |
| 07/21/1992 | CA1305316C Method for producing ring gears for heavy duty drive axles |
| 07/14/1992 | US5129251 Manufacturing process for end fitting for eye joint |
| 07/12/1992 | CA2059183A1 Method and apparatus for cold extruding universal seal crosspieces |
| 07/08/1992 | EP0493792A1 Method of manufacturing drive plate |
| 07/08/1992 | CN1062484A Method for forging thumb nut from rod bundle |
| 07/07/1992 | US5127253 Method and apparatus for manufacturing a cold-forged shaft |
| 06/21/1992 | CA2058063A1 Foam molding having various density regions, the production thereof, and a mold therefor |
| 06/10/1992 | CN1016944B Automobile transmission shaft universal-joint fork squeezing die forming technology and die set |
| 06/09/1992 | US5120173 Screw head with slant rib |
| 06/09/1992 | US5119663 Method and apparatus for cold extruding universal seal crosspieces |
| 05/26/1992 | US5115663 Method for forming a crankshaft |
| 05/20/1992 | EP0485889A1 Process for manufacturing fork-shaped metal elements such as those fitted to the piston rod of a hydraulic or pneumatic cylinder, and system implementing such a process |
| 05/19/1992 | US5114263 Joint having ball and shaft coupled through plastic deformation |
| 05/14/1992 | CA2050779A1 Pressure hose coupling collar and method for producing same |
| 04/22/1992 | EP0481112A1 Method to produce an integral cap-nut |
| 04/21/1992 | US5106012 Dual-alloy disk system |
| 04/21/1992 | US5105644 Light weight drive shaft |
| 04/21/1992 | CA1298995C Method for producing a family of forged ring rolling preforms and forging die therefor |
| 04/14/1992 | CA1298723C Fully enclosed die forging apparatus |
| 04/07/1992 | US5101547 Method and system for manufacturing superalloy disk |
| 03/31/1992 | US5100050 Method of manufacturing dual alloy turbine disks |
| 03/31/1992 | US5099674 Method and apparatus for the manufacture of J-shaped display hooks with balled ends |
| 03/20/1992 | WO1992005039A1 Integral type wheel made of light metal having grain flow metallographic structure |
| 03/20/1992 | CA2068999A1 One-piece forged type wheels of light alloy having a metal flow metallographic structure |
| 03/17/1992 | US5096036 Electromagnetic coupling discs and method of making the same |
| 03/17/1992 | CA1297321C Fully enclosed die forming apparatus |
| 02/26/1992 | CN1015606B Tool ring, method of making it, and holding tool for use in the performance of the method |
| 02/19/1992 | CN1015517B High-strength screw bolt with pressed key groove and mfg. method thereof |
| 02/11/1992 | CA1295496C Lock nut and method for making same |
| 02/06/1992 | DE4024563A1 Round-headed screw mfr. with thread and stop - starts with cylindrical pin from which head and shank are pref. cold-rolled before thread cutting |
| 02/04/1992 | CA1295115C Method of making a cam shaft |
| 01/23/1992 | DE4022918A1 Self-locking screw connection - has screw, threaded pin and nut and has radial ridges on sides of thread pitch |
| 01/23/1992 | DE4022692A1 Mfr. of motor vehicle transmission shaft - involves forging from thick-walled tubular blank |
| 01/22/1992 | EP0467535A1 Improved blind riveting assembly |
| 01/21/1992 | US5081732 Rotary heading machine |
| 01/21/1992 | CA1294463C Method of and apparatus for manufacturing a gear |
| 01/21/1992 | CA1294461C Method of making pulleys with v-shaped grooves |
| 01/15/1992 | EP0465747A2 Light weight drive shaft |
| 01/14/1992 | US5079814 Method of manufacturing a hollow point bullet |
| 12/31/1991 | US5076882 Shaping apparatus for a synchronizer ring |
| 12/31/1991 | US5076089 Method of manufacturing a hemisphere shoe for a swash plate compressor |
| 12/24/1991 | US5074923 Heating on mandrel to enlarge internal diameter accurately |
| 12/10/1991 | US5070743 Tubular drive shaft |
| 12/03/1991 | US5069173 Push rod having irregularly shaped internal bore |
| 12/03/1991 | US5069080 Transmitting forces from a pinion meas in an automotive-type |
| 12/03/1991 | US5068964 Method of making poly-v grooved pulley |
| 11/21/1991 | EP0456862A1 Method and apparatus for the extrusion of comb-shaped parts for roller bearing cages |
| 11/19/1991 | US5065605 Method of forming shaped configuration at end of long element |
| 11/19/1991 | US5065510 Method for the manufacture of a light metal vehicle wheel |
| 11/12/1991 | CA1291866C Method of producing wheels of light alloy |
| 10/29/1991 | US5060331 Method of producing wing nuts |
| 10/15/1991 | US5056219 Method of manufacturing hollow engine valve |
| 10/08/1991 | US5054301 Method of forming metallic product |
| 10/08/1991 | US5054195 Process for the production of a valve |
| 10/08/1991 | CA1290172C Method for producing near net ring gear forgings |
| 10/01/1991 | US5052210 Forging die design and method for making a forging die |
| 09/27/1991 | CA2034429A1 Method for id sizing of filament reinforced annular objects |
| 09/24/1991 | US5050260 Tool ring, a method of making it, and a holding tool for use in the performance of the method |
| 09/24/1991 | CA1289390C Fully enclosed die forging apparatus |
| 09/18/1991 | EP0446960A1 Method of manufacture of a pallet for receiving a workpiece |
| 09/18/1991 | EP0446959A2 Method of manufacture of a substantially cylindrical shank with a centring arm transient in one piece into the shank |
| 09/11/1991 | EP0445470A2 Elongated,lightweight rack and method for making same |
| 09/10/1991 | US5046348 Blind fastener for composite materials |
| 08/20/1991 | US5040454 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio |
| 08/20/1991 | US5040294 Process for producing a camshaft |
| 08/20/1991 | CA1287756C Break-stem blind rivet |
| 08/14/1991 | EP0441174A2 Method and form tool for heading a nipple |
| 08/06/1991 | US5036579 Method for making a first object which can be fixed with great accuracy with respect to a second object |
| 07/25/1991 | DE4032602C1 Axial adjustment spacer for bearings - has oversize blank placed in press and upset between plates |
| 07/23/1991 | US5033716 Electromagnetic fuel injector |
| 07/18/1991 | DE4000602A1 Prodn. of disc with hub on each side - by forming circumferential slot in bore of central hole, then spreading |
| 07/09/1991 | CA1285798C Groove point screw |
| 07/04/1991 | DE3943145A1 Machine for making blanks for small rollers - has split die with two parts pressed together to form blanks |
| 07/02/1991 | US5027996 Method of manufacturing a hollow shaft with internal swellings of revolution and shaft obtained by this method |
| 07/02/1991 | US5027763 One-piece push rod having enlarged spherical seat |
| 06/11/1991 | US5022129 Crankshaft-forming apparatus and method |
| 06/06/1991 | DE3939540A1 Three-legged stand height adjustment - has aluminium tube forming column with separate rack at side inserted axially |