| Patents for B21H 5 - Making gear wheels (1,111) |
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| 08/16/2012 | WO2011057311A8 Rolling tool, apparatus, and method for the production of crowned teeth, and gear |
| 08/08/2012 | EP1888278B9 Process for densifying a gear teeth by different processes |
| 08/08/2012 | CN101193717B Hardness and roughness of a toothed section from a surface-densified sintered material |
| 07/05/2012 | WO2012090660A1 Internal tooth rolling method |
| 06/19/2012 | CA2591958C Method for producing longitudinal grooves in cylindrical workpieces |
| 06/06/2012 | EP2460599A1 Method and device for producing a cup-shaped sheet metal piece with interior and exterior teeth |
| 06/06/2012 | DE102010053547A1 Verfahren und Vorrichtung zur Herstellung eines innen- und außenverzahnten topfförmigen Blechteils Method and apparatus for producing an internally and externally toothed cup-shaped sheet metal part |
| 04/04/2012 | CN102401108A Gear device and method of manufacturing shaft member |
| 03/29/2012 | DE102010046737A1 Method for patterning circumferential groove of rotationally symmetric workpiece, involves performing radial feed movement of rolling tools in insertion direction of metal sheets into pre-fabricated groove by rotary driving of workpiece |
| 03/22/2012 | DE10031878B4 Element mit Innenverzahnung und Vorrichtung zum Formen eines Elements mit Innenverzahnung Element with internal toothing and apparatus for forming an element having inner toothing |
| 03/14/2012 | CN202162317U 摆碾机摆头 Pendulum swing mill |
| 03/08/2012 | WO2012027761A1 Sintered gearwheel |
| 03/07/2012 | CN101708526B Method and die for forming driven helical gear profile of automobile rear axle |
| 02/29/2012 | EP2422898A1 Method for plastic forming of toothed shafts |
| 02/01/2012 | CN101678436B 在烧结部件上机加工齿部的方法和设备 Method and apparatus for machining a sintered part on the tooth portion |
| 01/19/2012 | DE102009001946B4 Schrägzahnrad und Verfahren zum Herstellen desselben Of the same helical gear and methods for preparing |
| 01/18/2012 | EP1888278B1 Process for densifying a gear teeth by different processes |
| 01/18/2012 | CN102319843A Machining method of internal gear teeth |
| 01/11/2012 | CN102317004A Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 01/05/2012 | WO2012002866A1 A hollow gear ring and method for its manufacturing |
| 12/28/2011 | CN102294419A 用于渐开线齿轮的成形滚轧方法 Involute gear rolling method for forming |
| 12/21/2011 | EP2397243A1 Form rolling method for involute gear |
| 12/21/2011 | EP2032281B1 The system for manufacturing linear gear and the method thereof |
| 12/08/2011 | DE102010023039A1 Method for manufacturing components, particularly of annular toothed components, particularly of front gear wheels, involves deforming annular raw part between two rotating tools, where raw part material flows in contour part of one tool |
| 09/29/2011 | US20110232092 Method and apparatus for backing the insde teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 09/28/2011 | EP2367646A1 Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 09/28/2011 | CN201988662U 一种圆柱斜齿轮冷辊轧的辊轧轮 One kind of helical gear roll cold rolling the wheel |
| 09/21/2011 | EP2024111B8 Device and method for producing profiled bodies |
| 09/07/2011 | EP2252420B1 Method for producing a sintered, iron-based workpiece |
| 08/24/2011 | CN102161070A Rolling mold |
| 08/18/2011 | DE102010008027A1 Machine tool is provided with cold rolling unit, and longitudinal guides movable rod rolling units, where roll bars are provided with outer profile |
| 07/20/2011 | EP2345492A2 Material-removing machine tool with a cold-rolling unit |
| 07/14/2011 | WO2011057311A3 Rolling tool, apparatus, and method for the production of crowned teeth, and gear |
| 07/14/2011 | DE102010000767A1 Method for manufacturing machine elements i.e. large gear wheels, for wind energy plants, involves bringing machine element into near net shape state by deformation i.e. rolling, by molding roller i.e. ring roller |
| 06/30/2011 | DE102009059265A1 Method for manufacturing internal gears of transmission part, involves pressing outer gear forming roller in progressive circumferential direction under formation of gears against inner lateral surface of molding blank |
| 06/29/2011 | EP2024111B1 Device and method for producing profiled bodies |
| 06/22/2011 | CN102105240A Device and process for producing or processing workpieces from a preform, in particular for integrally forming internal profiles or internal tooth systems |
| 06/09/2011 | DE19830817B4 Verfahren zum Umformen eines Werkstücks durch Drückwalzen A method of forming a workpiece by flow-forming |
| 05/19/2011 | WO2011057311A2 Rolling tool |
| 05/19/2011 | CA2783979A1 Rolling tool, apparatus, and method for the production of crowned teeth, and gear |
| 05/18/2011 | EP1177610B1 Method for producing a shaft and a device containing a shaft of this type |
| 05/11/2011 | EP2131974B1 Method and device for machining a toothing on a sintered part |
| 05/11/2011 | CN102049518A Sintered gear element featuring locally selective surface compression |
| 05/04/2011 | EP2190607B1 Machine tool for providing workpieces with toothed sections and method for providing a workpiece with a toothed section using a machine tool |
| 04/28/2011 | WO2008139323A3 Powder metal internal gear rolling process |
| 04/27/2011 | CN201807691U Device for rolling and finishing tooth profile of spiral bevel gear |
| 04/20/2011 | EP2083956B1 Method for the production of a one-piece metallic multiple whee and multiple wheel |
| 04/06/2011 | EP1501646B1 Crown gear |
| 03/24/2011 | DE102009041087A1 Tool e.g. deforming tool, for producing beveloid-tooth work for conical front toothed wheel, has left tooth flank whose profile angle is differ from profile angle of right tooth flank of teeth that produce tooth work at workpiece |
| 03/24/2011 | DE102009029407A1 Method for manufacturing motion transmitting steering component in steering system of vehicle, involves manufacturing steering component out of semi-finished products by machining |
| 03/23/2011 | CN201768861U Precision forging die used for automobile reduction gear blank |
| 03/16/2011 | CN101466487B System for manufacturing linear gear and the method thereof |
| 01/19/2011 | EP1486269B1 Method of forming internal gear, and internal gear |
| 12/29/2010 | CN101927309A Precision plastic forming manufacture technology of spiral bevel gear |
| 12/02/2010 | DE102009022683A1 Method for plastic deformation of work piece, particularly for producing external teeth at work piece, involves attaching work piece into die plate and shifting die plate around axis of rotation in rotary manner |
| 12/01/2010 | CN201659234U Lead screw gear hobbing error protection device |
| 11/24/2010 | EP2252420A1 Method for producing a sintered, iron-based workpiece |
| 11/04/2010 | US20100279807 Method For The Production Of A One-Piece Metallic Multiple Wheel, Preform For The Production Thereof, And Multiple Wheel |
| 09/08/2010 | CN201572870U Energy-saving and high-precision vertical gear rolling machine |
| 08/19/2010 | DE102004010444B4 Verfahren zur Herstellung einer Innenkontur mit einem auf die Innenwandung eines topfförmigen oder ringförmigen rotationssymmetrischen Werkstücks einwirkenden Innendorn A process for producing an inner contour with a force acting on the inner wall of a cup-shaped or annular workpiece rotationally symmetrical inner mandrel |
| 07/08/2010 | WO2010075600A1 Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 07/08/2010 | CA2746785A1 Method and apparatus for backing the inside teeth of a sliding sleeve produced by way of powder metallurgy for a manual transmission |
| 06/24/2010 | WO2009033927A9 Machine tool for providing workpieces with toothed sections and method for providing a workpiece with a toothed section using a machine tool |
| 06/02/2010 | EP2190607A1 Machine tool for providing workpieces with toothed sections and method for providing a workpiece with a toothed section using a machine tool |
| 05/27/2010 | WO2009124534A4 Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| 05/19/2010 | CN101708526A Method and die for forming driven helical gear profile of automobile rear axle |
| 04/14/2010 | EP2173504A1 Profile-rolling machine |
| 03/24/2010 | CN101678436A Method and device for machining a toothing on a sintered part |
| 03/18/2010 | WO2009124534A3 Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| 03/11/2010 | DE102008045728A1 Rolling bar, has profiles attached in working direction for producing circumferential profiles on circumference of rotation symmetric workpiece, and production region comprising phase region to chamfer openings of circumferential profiles |
| 02/23/2010 | CA2553544C Apparatus and method for producing tooth-like profiling on workpieces |
| 02/17/2010 | CN201405015Y Worm roller press |
| 02/04/2010 | WO2010012457A1 Device and process for producing or processing workpieces from a preform, in particular for integrally forming internal profiles or internal tooth systems |
| 02/04/2010 | US20100024217 Method For Manufacturing A Toothed Disc and The Toothed Disc Manufactured Thereby |
| 01/07/2010 | DE19506391B4 Verfahren zum Herstellen eines ein zahn- oder wellenförmiges Profil aufweisenden Getriebebauteils aus einer Blechplatine A method for producing a dental or a wave-like profile having transmission component from a sheet metal blank |
| 01/05/2010 | US7641850 Net shaping gear teeth for high performance automotive power transmission; heating above critical temperature and quenching faster than critical cooling rate; rolling between opposed dies having profiled surfaces for densification, plastic deformation and strengthening; cooling to harden |
| 12/16/2009 | EP2131978A2 Device and method for calibrating a sintered molded part |
| 12/16/2009 | EP2131974A1 Method and device for machining a toothing on a sintered part |
| 12/10/2009 | DE102008002297A1 Rollumformverfahren zur Herstellung von längsverzahnten Profilkörpern in topfförmigen zylindrischen Werkstücken Rollumformverfahren for the production of splined profile bodies in the cup-shaped cylindrical workpieces |
| 12/02/2009 | EP2125266A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 11/24/2009 | CA2423855C Cool forming of splined transmission hubs |
| 11/11/2009 | CN100558492C Manufacturing method of gear device |
| 10/15/2009 | WO2009124534A2 Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| 10/15/2009 | CA2720765A1 Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| 10/01/2009 | DE102009001946A1 Schrägzahnrad und Verfahren zum Herstellen desselben Of the same helical gear and methods for preparing |
| 09/30/2009 | CN101547758A Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 09/17/2009 | WO2009112074A1 Device and method for generating tooth-like profiles in workpieces |
| 09/11/2009 | WO2009108981A1 Method for producing a sintered, iron-based workpiece |
| 09/02/2009 | CN100534661C Gear wheel precision hot rolling extruding and grinding machine and processing method thereof |
| 09/01/2009 | CA2525069C Method of fabricating component having internal teeth and rolling machine thereof |
| 09/01/2009 | CA2465452C Device for smoothing gear wheels |
| 08/26/2009 | EP1621269B1 Method of manufacturing part with internal gear and rolling machine |
| 08/19/2009 | CN100528399C Rolling tool for spline machining and method of manufacturing the same |
| 08/05/2009 | EP2083956A1 Method for the production of a one-piece metallic multiple wheel, preform for the production thereof, and multiple wheel |
| 07/28/2009 | CA2348429C Method for producing a sintered part with a subsequent shaping of the green compact |
| 07/21/2009 | US7562549 Device and method for producing tooth-like profiled sections on workpieces |
| 06/24/2009 | CN101466487A System for manufacturing linear gear and the method thereof |
| 06/10/2009 | CN100496799C Grain-rolling machine for processing straight grain on long cone surface |
| 05/14/2009 | WO2006131352A3 Surface compression of a toothed section using iterative calculation |
| 05/07/2009 | WO2009018986A3 Method for the production of a pot-shaped housing part, and pot-shaped housing part, especially for a hub part of a hybrid drive |