| 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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| 05/05/1994 | DE4237102A1 Crimping mechanism for structures to rotary workpiece - has adjustable drive for structure carrying wheel and decoupler for free-wheeling of wheel |
| 03/31/1994 | WO1994006581A2 Process for manufacturing a formed body made by pressing or deep-drawing |
| 03/24/1994 | DE4231213A1 Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers A method for producing a fabricated by compression molding or deep drawing |
| 02/22/1994 | US5287774 Method and device for producing seamless ribbon and wire loops, and their use as cuttings tools in ribbon and wire saws |
| 02/22/1994 | CA1327133C Tool bits and method of shaping |
| 01/20/1994 | DE4315503A1 Production method for hollow work pieces with straight or inclined axis - involves inner profile being cold shaped by striking rollers expressing material form flat circle |
| 01/05/1994 | CN1080219A Process for making blade of stubble cleaner by single hot-roll forming |
| 12/09/1993 | DE4319076A1 Manufacturing method for producing tie rods - involves producing untempered rod and the shaping to determined diameter and further shaping into differently shaped regions |
| 11/30/1993 | US5265334 Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device |
| 11/25/1993 | WO1993023576A1 Methods and apparatus for effecting domain refinement of electrical steels |
| 09/21/1993 | US5245853 Taper rolling - direct length measurement |
| 09/08/1993 | EP0558815A1 Device for producing a hollow workpiece, profiled, at least internally, in a straight or oblique direction with respect to the workpiece-axis, and its use |
| 08/04/1993 | CN2139486Y Spiral vane forming machine |
| 08/03/1993 | US5231916 Cold-worked piston for hydraulically operating brake |
| 07/22/1993 | DE4201089A1 Method for ingot mould broad side wall for thin slab moulding installation - involves 5 - 15 mm thick board side wall of copper on which the surface corresp. to the widening area is rolled in tracks |
| 06/23/1993 | CN1073386A A method for making a seal |
| 06/10/1993 | WO1993010964A1 A method of making a seal |
| 06/03/1993 | DE4220625C1 Rods, pipes, shaped pieces etc. - have surface depressions applied, esp. by ball blasting which are filled with lubricant prior to cold-drawing |
| 05/12/1993 | CN1020552C Rolling method and rolling mill |
| 04/14/1993 | EP0536872A1 Roll stamper for forming a base for information recording medium and apparatus using the roll stamper |
| 03/30/1993 | US5197317 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, and engraved plates obtained with such process and means |
| 03/30/1993 | CA1315218C Electromagnetic coupling disc |
| 02/18/1993 | WO1993003296A1 Endless screw with shaped bearing journal, in particular for windshield wipers |
| 02/18/1993 | DE4127178A1 Susceptors prepn., esp. of tantalum, for induction heated furnaces - by rolling sheet metal with rolling lining increasing to centre, then decreasing to other edge, etc. |
| 02/04/1993 | DE4125491A1 Schnecke mit angeformtem lagerzapfen, insbes. fuer eine scheibenwischanlage Screw with integral bearing cones, esp. For a disk-wipe system |
| 01/13/1993 | EP0522542A1 Method for producing continuous seamless wire belts |
| 12/08/1992 | US5169054 Method of manufacturing composite structures |
| 12/01/1992 | US5167585 Blind riveting assembly |
| 10/28/1992 | EP0199825B1 Method of manufacturing a self-drilling screw |
| 10/14/1992 | EP0508497A2 Composite structures and methods of manufacturing the same |
| 10/14/1992 | EP0383901B1 Metrological scale |
| 10/13/1992 | US5154534 Process for manufacturing galvanized concrete reinforcement ribbon |
| 10/07/1992 | EP0507357A2 Composite structures and methods of manufacturing the same |
| 08/20/1992 | WO1992013659A1 Integrally stiffened rings |
| 08/06/1992 | DE4103445A1 Hot rolling process esp. for steel plates - where material is pre-rolled to required width with transverse taper produced by continuous opening and closing of roll gap and finish rolled turned through 90 deg. |
| 07/15/1992 | EP0420973B1 Process for the manufacture of a framework for reinforcing concrete structures and framework obtained |
| 06/16/1992 | US5121537 Method of production of anchor-bonded composite structures |
| 05/26/1992 | US5115655 Integrally stiffened rings |
| 05/12/1992 | US5111572 Method of mechanical surface treatment of a blank metal sheet |
| 05/06/1992 | EP0483660A2 Calibrated rivet for highly stressed rivet assemblies |
| 05/05/1992 | US5109767 Device for the embossing of fine structures |
| 05/03/1992 | CA2054389A1 Tolerance rivet for highly stressed riveted joints |
| 04/28/1992 | CA1299323C Snap ring forming and grooving |
| 04/08/1992 | EP0478603A1 Taper rolling - direct length measurement |
| 04/07/1992 | CA1298474C Gas turbine vanes and methods for making same |
| 03/26/1992 | DE4036952A1 Bowden wire with sleeve and flexible metal wire core - has raised guide parts along core, and includes grooves |
| 02/18/1992 | US5088209 Metrological scale |
| 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 |
| 01/22/1992 | EP0467535A1 Improved blind riveting assembly |
| 01/22/1992 | EP0466844A1 Cold-formed piston for hydraulically operated brake. |
| 01/14/1992 | US5079825 Method of manufacturing composite structures |
| 12/10/1991 | US5070718 Method and apparatus for the production of metal products |
| 12/02/1991 | WO1991019059A1 Reinforcing element |
| 11/27/1991 | EP0458100A1 Method for the manufacture of mating profiles |
| 10/01/1991 | US5052476 Heat transfer tubes and method for manufacturing |
| 09/10/1991 | CA1288570C Wear-resistant ceramic, cermet or metallic embossing surfaces, methods for producing same, methods of embossing articles by same and novel embossed articles |
| 08/22/1991 | WO1991012445A1 Cold-formed piston for hydraulically operated brake |
| 08/13/1991 | US5038593 Method of and apparatus for texturizing workpieces |
| 07/31/1991 | CN1053381A Method for working surface on body and body manufactured by this method |
| 07/30/1991 | CA1287156C Battery receptacle |
| 07/24/1991 | EP0438031A1 Method for machining the surface of workpieces and workpiece manufactured with this method |
| 07/18/1991 | CA2034314A1 Surface treatment of sheet-or plate-like blanks |
| 06/27/1991 | DE3942175A1 Surface treatment of terminal bodies for electrochemical batteries - involves machining of heads and shanks during rotation on pins in contact with suitably shaped rollers |
| 06/26/1991 | EP0434664A1 Stop ring groove manufacturing process |
| 06/25/1991 | US5025650 Apparatus for forming plates of irregular cross-sectional shape |
| 06/04/1991 | US5020352 Roller screening apparatus |
| 05/14/1991 | CA1284039C Method and apparatus for the production of metal products |
| 04/23/1991 | US5009093 Apparatus and method for roll forming and marking sheet metal |
| 04/18/1991 | DE3933960A1 Lifting prong for fork lift truck - has blade section varying from tip to achieve uniform bending resistance |
| 04/17/1991 | CN2075115U Rolling machine for longitudinal rolling putty knife blade |
| 04/17/1991 | CN1012344B Precise roll-forging technology for variable-section steel sheet spring of car |
| 04/10/1991 | EP0420973A1 Process for the manufacture of a framework for reinforcing concrete structures and framework obtained. |
| 04/03/1991 | EP0419773A2 Machine and method for embossing delicate webs |
| 03/27/1991 | EP0418963A1 Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device |
| 03/27/1991 | CN2073780U Spiral razor blade forming machine |
| 03/26/1991 | US5001918 Method and apparatus for making blanks of a profile varying lengthwise |
| 03/26/1991 | US5001916 Method for the calibrated cross-section reduction of a workpiece rotating during such method. |
| 03/21/1991 | DE3930131A1 Thread roller for thread rolling head - has cylindrical shoulder with marking for engraving |
| 03/12/1991 | US4998853 Self-drilling blind rivet and method for making same |
| 03/06/1991 | EP0415215A1 Method for surface treatment |
| 03/05/1991 | US4996859 Method and apparatus for roll forming metal |
| 02/26/1991 | US4995252 Method and apparatus for internally enhancing heat exchanger tubing |
| 01/23/1991 | EP0408560A1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving. |
| 01/03/1991 | DE4019098A1 Sinter material prepn. for welding to other sinter workpiece, or steel - by compacting area of weld joint to reduce porosity |
| 12/27/1990 | WO1990015679A1 Rolling of metal workpieces |
| 12/20/1990 | WO1990015678A1 Taper rolling - direct length measurement |
| 12/20/1990 | CA2065037A1 Taper rolling-direct length measurement |
| 11/14/1990 | CN1046864A Knife section scale thread-treating, push-cut gear-hobbing and semi-automatic special machine |
| 10/11/1990 | WO1990012175A1 Process for the manufacture of a framework for reinforcing concrete structures and framework obtained |
| 10/11/1990 | CA2029905A1 Concrete structure reinforcement and fabrication process thereof |
| 09/25/1990 | US4959099 Taper rolling of metal |
| 09/05/1990 | EP0385970A2 Method of mechanical surface treating of metal sheets |
| 09/01/1990 | CA2011226A1 Method of mechanical surface treatment of a blank metal sheet |
| 08/29/1990 | EP0383901A1 Metrological scale. |
| 08/28/1990 | US4951797 Electromagnetic coupling disc |
| 08/01/1990 | EP0380005A1 Self-drilling blind rivet and method of making same |
| 08/01/1990 | CN1008976B Rolled forging formating technology for front axle of automobile |
| 07/26/1990 | DE4001723A1 Self drilling blind rivet - is made from cylinder blank with main body and bore |
| 07/25/1990 | CA2007523A1 Self-drilling blind rivet and method for making same |
| 07/24/1990 | US4942752 Apparatus for reforming and restoring the surface of a cylindrical workpiece manually |