| Patents for B21H 7 - Making articles not provided for in groups , e.g. agricultural tools, dinner forks, knives, spoons (1,122) |
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| 12/11/1997 | DE19723634A1 Method for making connecting screw |
| 12/04/1997 | WO1997045213A1 Device and method for priming a hard metal surface, in particular bare or coated steel |
| 10/15/1997 | EP0800425A1 Method of manufacturing internally geared parts |
| 09/24/1997 | EP0796680A1 Method for the manufacture of screw bolts or threaded tie bars |
| 09/16/1997 | US5666841 Method for work-hardening by rolling a component |
| 09/10/1997 | EP0794028A1 Structural girder made out of at least one web and one flange welded by energy radiation with bending stress compensation |
| 08/28/1997 | DE19607310A1 Inner bearing forming method for bicycle wheel's crank |
| 08/13/1997 | EP0788419A1 Method and apparatus for making crankshafts |
| 07/30/1997 | EP0785831A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method |
| 07/03/1997 | WO1997023314A1 Fastener transfer device |
| 06/26/1997 | DE19645410A1 Method for manufacturing transverse rod for use with motor vehicle steering linkage |
| 05/27/1997 | US5632173 Apparatus and method for cold forming a ring on a lead alloy battery terminal |
| 05/13/1997 | US5628222 Method of manufacturing a rack |
| 04/10/1997 | WO1997012727A1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
| 04/10/1997 | DE19536053A1 Forming end stop on end of cylindrical housing |
| 03/25/1997 | US5613391 Machine and method for knurling the tip of a needle |
| 03/13/1997 | WO1997009135A1 Method and device for producing pressure-rolled pipes with thickened inner wall sections at the ends |
| 03/13/1997 | DE19532953A1 Manufacturing procedure for pressure rolled pipes |
| 03/13/1997 | DE19532951A1 Verfahren und Vorrichtung zur Herstellung von drückgewalzten Rohren mit inneren Wandverdickungen an den Enden Method and apparatus for the production of spin formed tubes with inner wall thickening at the ends |
| 03/13/1997 | CA2228570A1 Method and device for producing press-rolled pipes with inner wall thickenings at the ends |
| 03/12/1997 | EP0761338A1 Method and apparatus for the production of profiled articles |
| 03/06/1997 | DE19542304C1 Device for manufacturing spring blades |
| 03/04/1997 | US5606887 Apparatus and method for cold forming an L-shaped lead alloy battery terminal |
| 02/11/1997 | US5600995 Useful improvements in press apparatus |
| 01/28/1997 | US5596896 Methods and apparatus for effecting domain refinement of electrical steels |
| 01/23/1997 | DE19629538A1 Manufacture of ring-shaped flanged workpieces |
| 01/23/1997 | DE19526421A1 Cold rolled reinforcement steel rod |
| 01/02/1997 | EP0750534A1 Deep rolling split-pin fillets of crankshafts |
| 11/21/1996 | DE19517797A1 Tappet for IC engine valve drive |
| 11/19/1996 | US5575167 Deep rolling split-pin fillets of crankshafts |
| 10/16/1996 | CN2237504Y Helical rolling device for circular metallic pipe |
| 10/02/1996 | DE19532084C1 T- and H-profile steel bar mfr. |
| 10/02/1996 | DE19511882A1 Strengthening of workpiece surfaces by producing residual compressive stresses via rolling process |
| 09/25/1996 | CN1131589A Apparatus for manufacturing automotive steering rack |
| 09/11/1996 | EP0731273A2 Piston with piston rod |
| 08/20/1996 | US5546781 Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process |
| 08/20/1996 | US5546780 Method and apparatus for forming a lubricant, conducting groove in a cylindrical surface of a bearing member |
| 08/14/1996 | EP0725727A1 Method of making machine-engraved seamless tube |
| 08/01/1996 | WO1996022845A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method |
| 07/25/1996 | WO1996022169A1 Deep rolling split-pin fillets of crankshafts |
| 07/17/1996 | CN1126640A Method of manufacturing an automobile steering rack |
| 07/11/1996 | DE3790276C2 Receptacle for housing batteries in camera |
| 07/11/1996 | DE19544786A1 Machine for forming toothed steering rack for vehicle |
| 07/04/1996 | WO1996020050A1 Method of manufacturing internally geared parts |
| 07/04/1996 | DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts |
| 07/04/1996 | CA2209121A1 Method of manufacturing internally geared parts |
| 06/11/1996 | US5524467 Method for the inner profiling of tubes or pipes |
| 05/29/1996 | CN2227904Y Steel for blade of stubble cleaner |
| 05/09/1996 | DE4439481A1 Thin walled hollow tubular components with improved strength |
| 05/09/1996 | DE19513634A1 Method of mfg. rotationally symmetrical steel workpiece |
| 05/09/1996 | DE19513633A1 Pressure roller for cutting oblique slots in rotationally symmetric workpieces |
| 05/02/1996 | WO1996012589A1 Method and apparatus for making crankshafts |
| 04/03/1996 | CN1119841A Process for hard-rolling a component |
| 03/13/1996 | EP0551477B1 Shaft with shaped endless Screw, in particular for Windshield Wipers, with shaped Bearing Journal |
| 03/12/1996 | US5497642 Apparatus and method for forming precision surfaces on shaft-like components |
| 03/07/1996 | DE4431495A1 Process for making multi=edged wire with screw=like windings |
| 02/27/1996 | US5493761 Apparatus for fillet rolling of crankshafts |
| 01/10/1996 | EP0690768A1 Process for hard-rolling a component |
| 12/05/1995 | US5471858 Apparatus and process for the production of a hollow workpiece being profiled in a straight or helical manner relative to the workpiece axis |
| 11/29/1995 | CN2213590Y Stress test of round saw blade and roll-in processing machine tool |
| 11/21/1995 | US5467627 End finisher machine |
| 11/02/1995 | EP0679466A1 Method for manufacturing round files |
| 10/30/1995 | CA2145108A1 Method of manufacturing round tiles |
| 09/20/1995 | CN1108589A Steel fork forming technology and forming die thereof |
| 08/31/1995 | WO1995023042A1 Method of manufacturing articles whose cross section varies with length |
| 08/16/1995 | EP0667504A1 Heat exchange pipe for condensing vapor |
| 07/05/1995 | CN2202598Y Coining machine |
| 06/21/1995 | CN2201195Y Dual-purpose root-clearing hobbing cutter |
| 06/20/1995 | CA2084286C Reinforcing element |
| 05/31/1995 | CN2198991Y Adjustable float centring ball rolling tool |
| 05/30/1995 | US5419965 Reinforcing element with slot and optional anchoring means and reinforced material incorporating same |
| 04/25/1995 | US5408897 Worm, onto which a bearing stud is formed, especially for a windshield wiping system |
| 03/30/1995 | WO1995008409A1 Roll-forming cold worked sheet metal articles |
| 03/29/1995 | CN1028007C Art for mfg. blade of agricultural machine with single hot-rolling processing |
| 03/09/1995 | DE4404357C1 Heat exchange core for condensing vapour (steam) |
| 03/01/1995 | EP0640149A1 Methods and apparatus for effecting domain refinement of electrical steels |
| 01/24/1995 | US5383834 Roll stamper for forming a base for information recording medium |
| 01/18/1995 | EP0634232A1 Method of profiling the inside of tubes and device for carrying out this process |
| 01/18/1995 | CN2187504Y Steel fork shaping mould |
| 01/11/1995 | EP0633079A1 Method and metal member for forming clips on horseshoes |
| 01/10/1995 | US5379620 Apparatus and method for forming precision surfaces on shaft-like components |
| 11/24/1994 | DE4316470A1 Method of producing a rotary cutting tool |
| 11/17/1994 | DE4315619A1 Method for producing an electrically conductive profiled strip, and an electrically conductive profiled strip |
| 11/02/1994 | EP0621812A1 Process for manufacturing a formed body made by pressing or deep-drawing |
| 10/18/1994 | US5355706 Process for the production of a hollow workpiece being profiled at least internally in a straight or helical manner relative to the workpiece axis |
| 10/11/1994 | US5354581 Mechanical forming a plurality of grooves and depressions |
| 10/04/1994 | US5351397 Method of forming a nucleate boiling surface by a roll forming |
| 10/04/1994 | CA2026027C Device and process for the embossing of fine structures |
| 09/29/1994 | WO1994021427A1 Process for hard-rolling a component |
| 09/28/1994 | EP0616863A1 Method for the manufacture of a rack by cold forming, rack thus obtained and device for carrying out this method |
| 09/14/1994 | EP0614712A1 Method and device for producing high strength tubes |
| 09/07/1994 | EP0408560B1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving |
| 08/31/1994 | CN1091480A Roller bearing apparatus |
| 07/12/1994 | US5328587 Engraving funnel shaped holes in metal tubes and removal |
| 07/07/1994 | WO1994006581A3 Process for manufacturing a formed body made by pressing or deep-drawing |
| 07/05/1994 | US5326226 Continuous curve high solidity hydrofoil impeller |
| 06/15/1994 | CN1025013C Method for working surface on body and body manufactured by this method |
| 05/26/1994 | WO1994011183A1 Method of making machine-engraved seamless tube |
| 05/24/1994 | US5314281 Tolerance rivet for highly stressed riveted joints |
| 05/18/1994 | EP0466844B1 Cold-formed piston for hydraulically operated brake |