| Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244) |
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| 05/19/2005 | DE10331061B4 Ringförmige Verbundwerkstücke und Kaltwalzverfahren zu ihrer Fertigung Annular composite workpieces and cold rolling process for their production |
| 05/04/2005 | EP1527286A1 Device and method for the axial positioning of a component on a shaft |
| 04/27/2005 | CN1608767A Rotary reverse extruding forging |
| 04/06/2005 | EP1276577B1 A reinforcement device |
| 03/24/2005 | DE10042425B4 Rollenkäfig Roll cage |
| 03/23/2005 | EP1185780B1 Fuel injection valve for internal combustion engines and a method for producing same |
| 03/16/2005 | CN1593805A Adaptable mandrel for spin forming |
| 03/15/2005 | US6865808 Method of forming a pulley |
| 03/10/2005 | US20050050727 Crankshaft damper with integral pulse ring and method |
| 03/09/2005 | EP1512470A1 Adaptable mandrel for spin forming |
| 03/09/2005 | CN1592823A Crankshaft damper with integral pulse ring and method |
| 03/02/2005 | CN1586754A Process for rolling and forming external step section ring piece |
| 03/02/2005 | CN1586753A Method for rolling and forming rectangular section aluminium alloy ring piece |
| 02/24/2005 | WO2005016575A1 Method for producing internally or externally profiled rings and arrangement therefor |
| 02/24/2005 | DE10392402T5 Umlaufende, mit Rollen versehene Rillenbildungseinrichtung für ein Rohr Circumferential provided with rollers groove educational institution for a pipe |
| 02/24/2005 | DE10331061A1 Ringförmige Verbundwerkstücke und Kaltwalzverfahren zu ihrer Fertigung Annular composite workpieces and cold rolling process for their production |
| 02/17/2005 | WO2005014202A1 Deformed forging |
| 02/10/2005 | DE19983302B4 Verfahren zum Erzeugen einer Mehrfach-Keilriemenscheibe A method for generating a multi-V pulley |
| 02/03/2005 | WO2005009655A1 Method of flow forming a metal part |
| 01/27/2005 | WO2005007391A1 Method and device for manufacturing support body for run flat |
| 01/27/2005 | US20050019201 Sintering; forming disks; powder metallurgy; spinning; forming ribs |
| 01/26/2005 | CN1569359A Screw hole type skew rolling forming method at room temperature for anode phosphor-copper |
| 01/20/2005 | WO2005005079A1 Annular composite workpieces and a cold-rolling method for producing said workpieces |
| 01/13/2005 | DE19983233B4 Verfahren zum Herstellen einer Riemenscheibe mit vielen V-förmigen Rillen A method of manufacturing a pulley with many V-shaped grooves |
| 12/30/2004 | DE10322752A1 Method for fabrication of metal plate components, e.g. rims, T-struts, etc. uses forming roller and support bodies to form flanges of defined thickness |
| 12/29/2004 | EP0791738B1 Method and device for producing abrasion resistant piston ring |
| 12/28/2004 | CA2263677C Method of forming toothed wheels and product formed thereby |
| 12/21/2004 | CA2262784C Linear friction welding process for making wheel rims |
| 12/16/2004 | US20040250586 Cold rolling method and apparatus for forming annular pieces |
| 12/09/2004 | US20040244449 Method and apparatus to reduce slot width in tubular members |
| 12/07/2004 | US6826940 Method of metal and alloy billet treatment |
| 11/25/2004 | US20040231383 Upper and lower tools for deep rolling |
| 11/25/2004 | US20040231380 Process for forming a workpiece and rolling machine |
| 11/24/2004 | EP1479480A1 Deep rolling head |
| 11/24/2004 | CN2657820Y Improved structure of seven combined die of horizontal cold headers |
| 11/24/2004 | CN2657819Y Five combined die of horizontal cold headers |
| 11/24/2004 | CN2657818Y Seven combined die of horizontal cold headers |
| 11/18/2004 | DE10317506A1 Manufacturing method for hollow workpiece, by shifting circular blank and mandrel along workpiece feed direction through the coordinated rotation of rollers along the workpiece feed direction |
| 11/18/2004 | DE10311875A1 Cylindrical wheel rim for use in automobile manufacture, has parallel grooves formed around circumference of cylinder through casting or forging |
| 11/17/2004 | EP1339511B1 Method and device for the continuous production of workpieces from an unprofiled longitudinal section and use thereof |
| 11/17/2004 | CN2656048Y New type ring shaped matter cold rolling machine |
| 11/16/2004 | US6817219 Flospinning method and device for carrying out flospinning |
| 11/11/2004 | DE4214861B4 Werkzeug zum Walzen ringförmiger Werkstücke Tool for rolling annular workpieces |
| 11/11/2004 | DE19509912B4 Verfahren und Vorrichtung zum zielgerichteten Einbringung von Spannungen beim Walzen von Ringen Method and apparatus for targeted insertion of tension when rolling rings |
| 11/09/2004 | CA2312427C Point contact densification of sintered metal powder |
| 11/04/2004 | DE19743055B4 Ringwalzmaschine zum Walzen unsymmetrischer Ringe Ring rolling machine for rolling unbalanced rings |
| 11/02/2004 | US6810576 Method for producing a shaft and a device containing a shaft of this type |
| 10/27/2004 | CN2651274Y Apparatus for machining comber separated roller |
| 10/13/2004 | CN2647468Y Cold ring rolling machine for making middle and small size rings component parts |
| 09/29/2004 | CN1168555C Dividing tandem mill for steel ball blanks and its forming process |
| 09/23/2004 | DE10319258A1 Rolling mill for forging work pieces has two profiled rollers with separate drive control and variable rolling speed for each process cycle |
| 09/23/2004 | DE10316249A1 Verfahren zum Umformen eines Werkstückes und Walzmaschine Method for forming a workpiece and rolling machine |
| 09/22/2004 | CN1530183A Workpiece shaping method and roller |
| 09/22/2004 | CN1167526C Roll-formed bearing race and its production |
| 09/16/2004 | US20040177501 Rack gear and method of making same |
| 09/15/2004 | CN1528540A Automobile semiaxle wedge cross-rolling precision shaping method |
| 09/10/2004 | WO2004076094A1 Method of manufacturing metal ring for endless metal belt |
| 09/09/2004 | DE10308849A1 Production procedure for producing hollow body from e.g. solid bar, involves cooling formation area of solid bar during formation of hollow section in order to improve firmness and ductility of hollow body |
| 09/08/2004 | EP1454685A2 Method for forming a workpiece and rolling machine |
| 09/08/2004 | EP1454684A2 Method for forming a workpiece and rolling machine |
| 09/02/2004 | US20040168496 Apparatus for manufacturing a formed body having a concentric hub |
| 09/02/2004 | DE10297106T5 Zahnstangengetriebe und Verfahren zur Herstellung desselben Rack gear and method for producing the same |
| 08/26/2004 | US20040163436 Method of metal and alloy billet treatment |
| 08/24/2004 | US6779579 Reinforcement device |
| 08/12/2004 | WO2004067294A1 Unequally thick rim, and method of manufacturing the rim |
| 08/05/2004 | US20040148993 Wire rod-forming machine |
| 07/28/2004 | CN1515370A Method for making aluminium alloy collar rim |
| 07/15/2004 | US20040134249 Method and device for making intricately-shaped axisymmetric parts from hardly deformable polyphase alloys |
| 07/14/2004 | CN1512921A Cold rolling method and device for forming circular piece |
| 07/08/2004 | US20040128821 Method for manufacturing a ball head polygonal wrench |
| 06/30/2004 | CN2621854Y Automatic punch press for producing O series retainer |
| 06/23/2004 | CN1506178A Wire forming machinery |
| 06/17/2004 | DE10003791B4 Verfahren zur Herstellung von Felgen Process for the preparation of rim |
| 06/16/2004 | EP0976950B1 Combination of a sprocket and a chain |
| 06/09/2004 | EP1425120A1 Device for producing a shaped body that has a concentric hub |
| 06/08/2004 | US6745453 Rim rolling method, preforming roller die used for the method, and method of manufacturing brake shoe |
| 06/03/2004 | DE19581564B3 Verfahren zum Herstellen einer Mehrfach-Keilriemenscheibe aus Blech A method of manufacturing a multiple V-belt pulley of sheet metal |
| 06/02/2004 | EP1424515A1 Spun pulley with thick hub |
| 06/02/2004 | CN2618704Y Wedge force anchor bolt one-step forming machine |
| 05/13/2004 | WO2002034423A8 Method of reducing slot width in slotted tubular liners |
| 04/28/2004 | EP1412656A1 Crankshaft damper with integral pulse ring and method for production |
| 04/15/2004 | DE10243540B3 Device for cold expansion rolling of pref. small profiled rings for motor vehicle industry etc. has support rollers, each with stationary inner support disc and outer ring supported on disc |
| 04/13/2004 | US6718809 Method for processing billets out of metals and alloys and the article |
| 03/31/2004 | CN1486224A Method of reducing slot width in slotted tubular liners |
| 03/18/2004 | US20040050908 Adaptable mandrel for spin forming |
| 03/18/2004 | US20040050133 Method of forming cold diametrally reducing roll for metal pipe and metal pipe formed by the method |
| 03/11/2004 | WO2004020857A1 Device and method for the axial positioning of a component on a shaft |
| 03/11/2004 | US20040045333 Reinforcement device |
| 03/09/2004 | CA2212725C Spun pulley with thick hub and method |
| 02/26/2004 | US20040035169 Method of reducing slot width in slotted tubular liners |
| 02/26/2004 | US20040035002 Cylinder apparatus and method of manufacturing rod for cylinder apparatus |
| 02/26/2004 | US20040034980 Flospinning method and device for carrying out flospinning |
| 02/26/2004 | DE10236701A1 Component axial positioning device for shaft of DC electric motor e.g. for automobile applications, provided by shaft projection obtained by plastic deformation |
| 02/18/2004 | EP1389501A1 Flexible procedure for flow forming light alloy wheels and the relative machine |
| 02/05/2004 | US20040020257 Metal ring inputting and outputting device |
| 02/04/2004 | EP1385651A1 A cold rolling method and apparatus for forming annular pieces |
| 01/28/2004 | CN1470341A Precise diagonel rolling method for drill body blank of drill chuck |
| 01/21/2004 | EP1382404A1 Flow-turning method, roller and machine for forming a cylindrical hub without cutting |
| 01/21/2004 | CN1469796A Metal ring inputting and outputting device |
| 01/14/2004 | EP0904208B1 Vehicle wheel |