Patents for B21K 1 - Making machine elements (7,621) |
---|
10/29/1997 | CN1163168A Processing technology for blade pump casing and parts |
10/28/1997 | US5680690 Coated rivet and deformation thereof |
10/16/1997 | WO1997037788A1 Method of manufacturing a component |
10/15/1997 | EP0801212A1 Engine variable valve timing mechanism |
10/15/1997 | EP0800878A1 Method for sizing a lock nut |
10/15/1997 | EP0800425A1 Method of manufacturing internally geared parts |
10/15/1997 | CN1161888A Reducing-extrusion processing method and apparatus thereof |
10/01/1997 | EP0798059A1 Method of production of a blank for a forged connecting rod |
09/29/1997 | CA2201252A1 Procedure for the manufacture of a forged blank connecting rod |
09/16/1997 | US5667443 Bolt including a cleaning thread point tip |
09/16/1997 | US5666849 Method of correcting the dimension of workpieces |
09/10/1997 | CN1158766A One-time bicycle hub forming manufacture method |
09/03/1997 | EP0792197A1 Continuous extrusion of complex articles |
08/28/1997 | WO1997031214A1 Mechanical joint |
08/28/1997 | DE19707753A1 Metal workpiece smoothed by pressure ram |
08/28/1997 | DE19607310A1 Inner bearing forming method for bicycle wheel's crank |
08/28/1997 | DE19606417A1 Valve push rod for internal combustion engine |
08/27/1997 | CN2260677Y One-time forming mould for triming and reducing stem of screw bolt |
08/26/1997 | US5660594 Method of making a threaded connection for reinforcing bars |
08/26/1997 | US5660593 Outer joint part produced as a formed plate metal part |
08/26/1997 | US5660073 Apparatus and method for forming a ball of relatively small diameter |
08/21/1997 | WO1997029867A1 Manufacture of grease fittings and blanks therefor |
08/20/1997 | EP0678063B1 Method of manufacturing connecting rods |
08/20/1997 | CN2259955Y Machine for rolling and strengthening fixation element on its angle arc |
08/19/1997 | US5657663 Multi-stage forging apparatus |
08/13/1997 | EP0788895A2 Wheel of light metal |
08/13/1997 | CN1156645A Method for making assembled nut and nut produced by same |
08/12/1997 | US5655296 Method of manufacturing connecting rods |
08/05/1997 | US5653258 Vent valve |
07/29/1997 | US5651383 Quick-coupling component with pressure reduction member |
07/29/1997 | US5651181 Method of manufacturing a V-pulley |
07/24/1997 | DE4294681C2 Method for forming boss made of metal |
07/22/1997 | US5649360 Method of making a vent valve |
07/15/1997 | US5647125 Process for manufacturing a drive plate |
07/03/1997 | WO1997023316A1 Means to manufacture steering rack bars |
07/03/1997 | DE19625931C1 Device for stamping out pockets in roller cage |
07/02/1997 | EP0781612A1 Electrode in an electric gathering apparatus |
07/01/1997 | US5642851 Method of producing a circular fibre-reinforced metal article, and apparatus for use in said method |
07/01/1997 | CA2113085C Screw head with slant rib and punch for making such screw heads |
06/26/1997 | DE19645410A1 Method for manufacturing transverse rod for use with motor vehicle steering linkage |
06/25/1997 | CN1152482A Electrode in electric gathering apparatus |
06/19/1997 | DE19606754C1 Method for manufacturing tube blank for pinion shaft |
06/12/1997 | DE19650453A1 Method of manufacture of assembled nut |
06/05/1997 | DE19545129A1 Manufacturing device for rod form objects, e.g. screws |
06/04/1997 | CN1150922A Method of and apparatus for manufacturing pressed powder body |
05/29/1997 | WO1997018958A1 Method of producing light alloy wheels |
05/29/1997 | CA2235513A1 Method of producing light alloy wheels |
05/28/1997 | EP0775756A1 Steel for the production of forgings with bainitic structure, and production process of forged parts |
05/28/1997 | EP0775027A1 Method of manufacturing a hollow spindle |
05/28/1997 | CA2190341A1 Steel for producing a forged piece with a bainitic structure; the method involved |
05/27/1997 | US5632682 Outer joint part for a constant velocity universal joint having inserts which form its guiding grooves |
05/27/1997 | US5632179 Method of manufacturing an engaging element for one way clutch improving squareness of cam face relative to side surfaces |
05/27/1997 | US5632173 Apparatus and method for cold forming a ring on a lead alloy battery terminal |
05/22/1997 | DE19647859A1 Method for forming multi=slot profile for quill shaft |
05/21/1997 | EP0774316A1 Method of and apparatus for manufacturing a pressed powder body |
05/14/1997 | EP0772502A1 Process for producing conical gears and a device for carrying out said process |
05/13/1997 | US5628222 Method of manufacturing a rack |
05/09/1997 | WO1997016270A1 Apparatus and method for forging a pinion gear with a near net shape |
05/09/1997 | CA2209140A1 Apparatus and method for forging a pinion gear with a near net shape |
05/07/1997 | DE19644967A1 Method for manufacturing of drive roller for Torus-type stageless gear |
05/06/1997 | US5628046 Process for preparing a powder mixture and its use |
05/06/1997 | US5626522 Method and an apparatus for making a head on an elongate blank |
04/30/1997 | DE19541135C1 Continuous chip-free separation of rotationally symmetrical elongated metal workpieces |
04/29/1997 | US5623756 Method of manufacturing a shock absorbing type steering shaft |
04/16/1997 | CN2252067Y Correction instrument for screw make-up machine |
04/15/1997 | US5619796 Method of making an ultra light engine valve |
04/10/1997 | WO1997012700A1 Pressure-assisted formation of shaped articles |
04/09/1997 | CN1147221A Process and device for continuous, chipless separation of individual rings from tubular workpieces |
04/08/1997 | US5618237 Apparatus for making self-piercing nuts |
04/08/1997 | US5618236 Anti-cross thread fastener with cleaning tip |
04/08/1997 | US5617941 Force-receiving plate for friction device |
04/03/1997 | WO1997012155A1 Method of manufacturing a joint housing |
04/03/1997 | DE19639677A1 Manufacture of outer element of universal joint with cross slots |
04/02/1997 | EP0766015A1 Method of manufacturing a housing of a joint |
04/02/1997 | EP0765967A1 Method for making a shearload dowel and dowel produced by this method |
04/02/1997 | EP0765793A2 A variable-pitch racked bar |
04/01/1997 | US5615481 Method and apparatus for the production of circumferentially compressible pipe fittings |
04/01/1997 | US5615480 Methods for making scroll compressor element |
03/27/1997 | DE19535498A1 Valve tappet axle with fluid bores |
03/26/1997 | EP0764484A1 High performance press |
03/26/1997 | EP0764298A1 Method for manufacturing flashless metal connecting rod |
03/26/1997 | CN1145969A Anchor bolt guide rail for building engineering |
03/25/1997 | US5614037 Curing phenolic resin |
03/18/1997 | US5611135 Method of making a tube yoke for drive line assembly |
03/13/1997 | DE19534522A1 Vehicle wheel of non=ferrous metal |
03/12/1997 | CN1144725A Screw special for thin plate welding and welding production technique |
03/11/1997 | US5609542 Planetary gear speed reducer and machining method for planetary gear supporting pin for the same |
03/04/1997 | US5607358 Connection between inner joint part and driveshaft |
03/04/1997 | US5606887 Apparatus and method for cold forming an L-shaped lead alloy battery terminal |
03/04/1997 | US5606790 Method of making a two piece pedal rod |
02/27/1997 | DE19531256A1 Separating tool for continuous splitting of tube |
02/27/1997 | DE19530629A1 Tool for continuous separation of tube without cutting |
02/26/1997 | EP0759333A1 Process for forming bolt |
02/26/1997 | CN1143721A Planetary gear speed reducer and machine method for planetary gear supporting pin for the same |
02/26/1997 | CN1143576A Polyblock railway wheel |
02/20/1997 | WO1997005977A1 Method and machine for making rod-shaped objects having ends with increased thickness, especially anchor bolts for concrete |
02/18/1997 | US5603882 Piercing method and apparatus |
02/18/1997 | US5603235 Alkali cleaning; pickling; dipping in water glass solution; drying |
02/12/1997 | EP0758039A1 Anchorage rail for use in construction work |
02/12/1997 | EP0757602A1 Process and device for the continuous, chipless separation of individual rings from tubular workpieces |