| Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244) |
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| 06/25/2002 | US6408501 Automatic system of manufacturing ball studs for vehicles |
| 06/06/2002 | WO2002043896A1 Method and device for the continuous production of workpieces from an unprofiled longitudinal section and use thereof |
| 06/06/2002 | DE19964266A1 Verfahren zum kontinuierlichen, spanlosen Abtrennen einzelner Ringe von einem rohrförmigen Werkstück Method for continuous, non-cutting separating individual rings of a tubular workpiece |
| 06/04/2002 | CA2146042C Method and apparatus for manufacturing toothed gears |
| 05/29/2002 | CN1085733C Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| 05/21/2002 | US6389861 Roller cage |
| 05/08/2002 | CN1084235C Producing apparatus for sintering oil-containing bearing and method |
| 05/07/2002 | US6381847 Method of manufacturing poly-V-pulley |
| 05/02/2002 | WO2002034479A1 Metal ring inputting and outputting device |
| 05/02/2002 | WO2002034423A1 Method of reducing slot width in slotted tubular liners |
| 05/02/2002 | EP1024914B1 Roll bending machine for forming a ring-shaped part |
| 04/25/2002 | DE10051866A1 Vorrichtung zur Herstellung von Umformteilen An apparatus for the production of formed parts |
| 04/25/2002 | DE10050202A1 Method to fabricate rotary symmetrical formed bodies, e.g. transmission components has tool holder with forming rollers to process two blanks at the same time |
| 04/24/2002 | EP1199119A2 Device for manufacturing plastically deformed articles |
| 04/18/2002 | US20020045965 Numerical-simulation method for rotary metal forming, recording medium and program |
| 04/16/2002 | US6370776 Method of producing a poly-V pulley |
| 04/11/2002 | WO2001083131A3 A reinforcement device |
| 04/09/2002 | US6367300 Sprocket with thin body and grooved teeth |
| 03/28/2002 | WO2002024366A1 Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method |
| 03/28/2002 | DE10042425A1 Rollenkäfig Roll cage |
| 03/27/2002 | EP1017518B1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing |
| 03/20/2002 | EP0904208A4 Vehicle wheel |
| 03/13/2002 | EP1187041A2 Numerical-simulation method for rotary metal forming, recording medium and program |
| 03/13/2002 | EP1185780A2 Fuel injection valve for internal combustion engines and a method for producing same |
| 03/07/2002 | DE10041911A1 Diamantbohrkrone Diamond core bit |
| 03/06/2002 | EP1184133A2 Roller cage |
| 03/06/2002 | EP0912270B1 Method for producing axially symmetric parts |
| 02/28/2002 | US20020023635 Method of forming a base body for a diamond bit |
| 02/28/2002 | US20020023470 Roller cage |
| 02/27/2002 | EP1182324A2 Diamond drill bit |
| 02/27/2002 | EP1181119A2 Method and device for flow turning |
| 02/21/2002 | US20020020062 Machining tool for manufacturing radial bearings, and manufacturing apparatus and manufacturing method using the same |
| 02/19/2002 | US6348020 Internal spun hub and method of making same |
| 02/06/2002 | EP1177610A1 Method for producing a shaft and a device containing a shaft of this type |
| 02/06/2002 | CN2475490Y Roll-mounted stainless steel internal-sheathed hydraulic cylinder |
| 01/29/2002 | CA2240975C Trailer hitch ball formed onto stud |
| 01/24/2002 | DE10033244A1 Method to manufacture transmission part with hub from round metal blank of any type of steel, by heating blank to forging temperature while forming hub |
| 01/24/2002 | DE10033239A1 Method to manufacture adjusting disc for infinitely variable change speed gear with conical part formed by forging or turning of round metal blank |
| 01/15/2002 | US6338197 Method of manufacturing multi-stage pulley |
| 01/02/2002 | CN1329676A Method for processing billets out of metals and alloys and article |
| 01/01/2002 | US6334349 Method for the manufacturing of a shaft with a larger diameter flange |
| 12/25/2001 | US6332260 Apparatus and method of forming an annular member |
| 12/20/2001 | WO2001053684A3 Fuel injection valve for internal combustion engines and a method for producing same |
| 12/20/2001 | US20010053725 Internal spun hub and method of making same |
| 12/20/2001 | US20010052184 Multi-stage pulley and production method thereof |
| 12/19/2001 | EP0885078B1 Method for manufacturing a formed piece of metal |
| 12/12/2001 | EP0921897B1 Method of forming toothed wheels and product formed thereby |
| 12/04/2001 | US6325873 Casting undercut-free disk-shaped pre-form, conveying to flow-forming machine, fixing in machine while maintaining residual heat, shaping by spinning and flow-forming, cooling, sizing, end-working to finished vehicle wheel |
| 11/29/2001 | DE10121546A1 Process involving pressure roller to deform hub has offset of greater diameter than hub formed in transition region of radial region of workpiece and hub |
| 11/29/2001 | DE10024411A1 Ring blanking machine of plates backup rolls and plug mounts backup roll plate on reciprocating slide in symmetry axis off piston and cylinder drive. |
| 11/29/2001 | DE10024105A1 Annular rolling device for producing annular workpieces either one straight conical support roll or cylindrical support rolls, and double-cone rolls angled to rotation axis |
| 11/22/2001 | WO2001088403A1 Sheet metal brake shoe and method of manufacturing the sheet metal brake shoe |
| 11/21/2001 | EP0909339B1 Method for processing billets from multiphase alloys |
| 11/15/2001 | US20010039864 Method of forming an integral tubluar projection in a work by spinning and a product produced by the same |
| 11/15/2001 | US20010039820 Round die type form rolling apparatus |
| 11/14/2001 | EP0921892B1 Linear friction welding process for making wheel rims |
| 11/14/2001 | CN1074812C Method and device for producing hollow insert sleeve of ring for piston for engine |
| 11/08/2001 | WO2001083131A2 A reinforcement device |
| 11/01/2001 | US20010035036 Hub with blind bore and method of forming |
| 11/01/2001 | US20010035035 Blind bore hub and method of forming |
| 10/23/2001 | US6305065 Method of assembling roof decking to an underlying substrate |
| 10/16/2001 | US6302971 Useable with a driving belt in a continuously variable transmission. |
| 10/04/2001 | DE10115815A1 Device and method for pressure rolling involve blank arranged on mandrel of pressure rolling machine and set in rotation in relation to at least one pressure roller |
| 10/02/2001 | US6295855 Method and machine for making a finned body |
| 09/26/2001 | EP1136150A2 Method of forming an integral tubular projection in a work by spinning and a product produced by the same |
| 09/20/2001 | WO2001068289A1 Method for producing configurated axisymmetric parts made of difficult-to-form multi-phase alloys and a device for carrying out said method |
| 09/19/2001 | CN1313798A Method for producing vehicle wheels |
| 09/13/2001 | WO2001066278A1 Slitting method, slitting device, and method of manufacturing metal sheet brake shoe by slitting |
| 09/12/2001 | EP1131267A1 Apparatus and method for roll forming glass sheets |
| 09/07/2001 | WO2001065668A1 Method for producing a shaft and a device containing a shaft of this type |
| 09/07/2001 | WO2001064369A1 Method for manufacturing parts by plastic metal working |
| 08/30/2001 | WO2001062412A1 Device for shaping spherical objects |
| 08/30/2001 | WO2000072994A3 Method and device for flow turning |
| 08/30/2001 | DE10030353A1 Verfahren zum Herstellen einer Welle sowie Vorrichtung beinhaltend eine solche Welle A process for producing a shaft and apparatus including such a wave |
| 08/23/2001 | WO2001060543A1 Component with a hub, and non-cutting production method therefor |
| 08/22/2001 | EP1124996A1 Method for processing billets out of metals and alloys and the article |
| 08/16/2001 | WO2001058619A1 Rim rolling method, preforming roller die used for the method, and method of manufacturing brake shoe |
| 08/16/2001 | WO2001058616A1 Method and a press cylinder device for producing a hollow body |
| 08/09/2001 | DE10003791A1 Verfahren zur Herstellung von Felgen Process for the preparation of rim |
| 08/02/2001 | DE10001549A1 Verfahren zum Herstellen eines Scheibenradkörpers für Schienenfahrzeuge A method for producing a Scheibenradkörpers for rail vehicles |
| 07/26/2001 | WO2001053684A2 Fuel injection valve for internal combustion engines and a method for producing same |
| 07/26/2001 | DE10002715A1 Fuel injection valve for internal combustion engine; has central spring chamber and fuel supply channel with larger cross-section in circumferential direction than in radial direction |
| 07/19/2001 | WO2001051233A1 Method for production of a disc wheel body for rail vehicles |
| 07/18/2001 | CN1068535C Method for mfg. of metal formed piece |
| 07/12/2001 | WO2001049429A1 Manufacturing a dome from an undersized blank |
| 07/05/2001 | US20010005939 Method and apparatus for producing a one-part vehicle wheel |
| 07/05/2001 | DE19963451A1 Numerically-controlled system used in machine tool |
| 07/03/2001 | US6253589 Flow-turning device and method for producing internally geared wheels using two sets of internal toothing |
| 06/27/2001 | CN1301202A Manufacture of poly-V-grooved pulley |
| 06/21/2001 | DE19958343A1 Production of a hollow shaft having an outer contour with at least one wave section used in gears comprises processing the inner or outer diameter or at least a flange section of a bowl-like preform by pressure rolling |
| 06/20/2001 | EP1108483A2 Method and device for flow-turning |
| 06/12/2001 | US6243949 Cold forming aluminum metal matrix rotors |
| 06/05/2001 | US6240761 Tool controlling apparatus |
| 05/31/2001 | DE19956954C1 Separation tool for continuous separation of rotationally symmetrical workpiece has separation roller provided with cutting thread having different thread size in each successive section |
| 05/22/2001 | US6233990 Method for manufacturing a formed piece of metal |
| 05/17/2001 | DE19954913A1 Motor vehicle wheel rim production involves profiling and flow-turning by pressure rolls to reduce outer bed flank thickness. |
| 05/02/2001 | EP1095728A2 Method of finishing the land of the outer ring of a bearing and a bearing |
| 05/01/2001 | US6223576 Method of thickening peripheral portion of circular plate blank by holding blank in pressing contact with bottom surface of forming groove formed in roller die |
| 05/01/2001 | CA2134607C Rotary forging apparatus |
| 04/26/2001 | WO2001028709A1 Internal spun hub and method of making same |