| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 08/03/2011 | CN102139393A Combined hobbing cutter |
| 07/28/2011 | US20110183131 Surface-coated cutting tool |
| 07/27/2011 | CN201906898U Automobile brake sector hobbing cutter |
| 07/27/2011 | CN201906897U Ring-shaped rack hobbing cutter |
| 07/20/2011 | EP2345497A1 Method for producing a hob |
| 07/14/2011 | US20110171892 Sanding Block |
| 07/14/2011 | DE102010021668A1 Werkzeugkopf Tool head |
| 07/13/2011 | EP2342036A1 Internal broaching tool |
| 07/13/2011 | CN201895146U Gradually cutting push cutter |
| 07/07/2011 | US20110164931 Tool Head |
| 07/06/2011 | CN102114557A Gear hob |
| 07/05/2011 | US7972200 Abrading wheel with sintered metal core |
| 06/30/2011 | DE102009059277A1 Method for machining designing of spur gearing in working gear with cylindrical basic shape, involves providing machining tool with conical shape, where machining tool is driven in rotating manner around rotation axis |
| 06/29/2011 | EP2337646A2 Internal broaching tool |
| 06/29/2011 | CN201881013U Super large type knife of double slippage-tooth chip splitting and cutting |
| 06/29/2011 | CN201881012U Milling cutter head and processing machine tool |
| 06/22/2011 | EP2170559B1 Tooth flank polishing tool, and use thereof |
| 06/22/2011 | EP2152459B1 Tool for improved chip flow |
| 06/22/2011 | CN101208170B Full point width cutting blades |
| 06/15/2011 | CN201862864U Modification gear shaving cutter |
| 06/15/2011 | CN201862861U Small modulus internal gear pull broaching device |
| 06/15/2011 | CN102091830A Gradually-cutting type broach |
| 06/08/2011 | CN101374622B Universal machine and method for soft processing bevel wheel |
| 06/01/2011 | EP2327497A1 Helical broach for roughing |
| 05/31/2011 | CA2482988C Gear tooth profile |
| 05/18/2011 | CN201833080U Numerical control indexable milling cutter for spiral bevel gears |
| 05/18/2011 | CN102059406A Face hob hypoid gear tooth top-land radius by common chamfer tool |
| 05/11/2011 | CN102049572A Design method for hob of cylindrical gear |
| 05/11/2011 | CN102049571A Hob and molding method thereof |
| 05/11/2011 | CN101342619B Accurate hob cutter with inserted tooth |
| 05/04/2011 | CN201815758U Involute spline push broach used for processing internally toothed ring |
| 05/04/2011 | CN102039451A Planetary fingerlike facing cutter |
| 04/27/2011 | EP2314405A1 Method for producing bevelled wheels with hypocycloid dovetailing in continuous forming method using corresponding tools |
| 04/27/2011 | CN102029444A Gear grinding tool and method of using gear grinding tool |
| 04/20/2011 | EP1924383B1 Tool arrangement for the production of helical teeth in gear wheels |
| 04/20/2011 | CN201799719U Milling tool for machining gears/tooth spaces |
| 04/20/2011 | CN201799718U Ultrahard spiral bevel gear cutter |
| 04/14/2011 | WO2011042315A1 Method for generating bevel gears with hypocycloid toothing in a continuous moulding process using corresponding tools |
| 04/13/2011 | CN102009233A Involute spline push broach |
| 03/31/2011 | US20110076926 Gear grinding tool and method of using gear grinding tool |
| 03/31/2011 | DE102010041633A1 Zahnradschleifwerkzeug und Verfahren zur Verwendung eines Zahnradschleifwerkzeugs Gear grinding tool and process for the use of a gear grinding tool |
| 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 |
| 03/23/2011 | CN101987384A Grinder for processing splines in gears |
| 03/09/2011 | EP1592529B2 Bar blade for milling spiral bevel gears and hypoid gears |
| 03/02/2011 | EP2024123B1 Method of maintaining a constant grinding process |
| 03/02/2011 | CN101982278A Microminiature Extended staggered tooth hobbing cutter |
| 02/24/2011 | DE102009037903A1 Gear hob for producing e.g. gear wheels, has toothed ring comprising teeth in which insert seats are incorporated at both sides of tooth flanks by milling, where insert seats are provided for accommodating left and right cutting inserts |
| 02/15/2011 | CA2482442C Gear hobbing cutter system |
| 02/09/2011 | CN201735908U Grinding-tolerance worm milling cutter |
| 02/02/2011 | CN101961803A Single-screw compressor screw, method for forming one long-straight bus 1 by star wheel meshed auxiliary gear side moulded line and tool |
| 01/27/2011 | DE102008053156B4 Innenräumwerkzeug Innenräumwerkzeug |
| 01/26/2011 | CN101959636A Helical broach for roughing |
| 01/26/2011 | CN101391324B Spherical involute spiral Archimedes spiral bevel gear cutting method and machine tool |
| 01/18/2011 | CA2450616C Internal broach |
| 01/12/2011 | EP1423241B1 Face hobbing cutter |
| 01/12/2011 | CN101941103A Method and corresponding milling tool for processing gears/tooth spaces |
| 12/30/2010 | DE102009030376A1 Machine for processing straight and helical cut spur gears in grinding tool, has arrangement of grinding tools which is executed in fixed manner, where turntable of tool holder lies in horizontal plane |
| 12/16/2010 | DE102009025945A1 Vorrichtung und Verfahren zum Wälzschälen von innenverzahnten Zahnrädern sowie zugehöriges Schälrad Apparatus and method for skiving of internal gears and associated peeling wheel |
| 12/16/2010 | DE102007040894B4 Werkzeug und Verfahren zum diskontinuierlichen Profilschleifen Tools and methods for discontinuous profile grinding |
| 12/15/2010 | CN201669478U External broach for flange face tooth |
| 12/15/2010 | CN101015872B Hobbing-cutter gear form capable of solving 'undercut' problem of Z<17 involute gear |
| 12/08/2010 | CN101028660B Gear precisive hob configuration and its configured precisive hob |
| 12/01/2010 | CN101406974B Device for processing spherical gear |
| 11/30/2010 | CA2581724C Method and apparatus for manufacturing a face gear |
| 11/24/2010 | CN201644953U Finger-shaped gear milling cutter |
| 11/24/2010 | CN101391322B Spherical involute spiral bevel gear cutting method and machine tool |
| 11/17/2010 | CN201632724U Gear hob |
| 11/10/2010 | CN201625816U Grinding hob |
| 11/04/2010 | DE202010005564U1 Messerkopf, der mit verschiedenen Spannmittel aufspannbar ist Cutter head which is clamped with different clamping means |
| 10/28/2010 | DE102009018405A1 Verfahren und Vorrichtung zum Beseitigen eines Sekundärgrates an einem stirnverzahnten Werkstückrad Method and apparatus for removing a Sekundärgrates at a front toothed Werkstückrad |
| 10/28/2010 | DE102009018392A1 Anordnung zur Verbindung eines Werkzeugrads und einer Werkzeugaufnahme Arrangement for connecting a Werkzeugrads and a tool holder |
| 10/27/2010 | CN101870010A Assembly for connecting a tool wheel and a tool holder |
| 10/27/2010 | CN101870009A Method and device for removing a secondary device on a frontally cogged workpiece wheel |
| 10/20/2010 | CN101862867A Face gear hobbing cutter design method based on repeatable cutter grinding |
| 10/06/2010 | CN201596908U 柔性高刚度自定心装置 Flexible high stiffness self-centering device |
| 10/06/2010 | CN101134255B Hard alloy precision working rack type cutter and processing technique |
| 09/30/2010 | US20100248602 Shaft portion finishing device |
| 09/29/2010 | CN201592294U Device for adjusting radial error by using end surface error |
| 09/29/2010 | CN201592293U Pinion cutter with multilayer edge surfaces |
| 09/29/2010 | CN101524774B Technological method for milling long rack tooth form |
| 09/16/2010 | DE102009003601A1 Vorrichtung und Verfahren zum Fertigen eines Kegelrades, insbesondere eines Kronenrades Apparatus and method for manufacturing a bevel gear, in particular a crown wheel |
| 09/15/2010 | CN201579498U Pinion cutter with fine teeth |
| 09/02/2010 | DE202009009518U1 Stoßwerkzeug, insbesondere zum Verzahnungsstoßen Impact tool, particularly for gear shaping |
| 09/01/2010 | CN201565676U Novel spline broach |
| 08/24/2010 | US7780506 Sanding block |
| 08/19/2010 | WO2010091946A1 Method for determining the profile of a substantially involute worm grinding wheel |
| 08/19/2010 | US20100210198 Barrel worm-shaped tool |
| 08/18/2010 | CN101808771A Barrel worm-shaped tool |
| 08/17/2010 | US7775749 Method, bar blade, and use thereof for milling spiral bevel gears and hypoid gears |
| 08/12/2010 | DE102009000774A1 Verfahren zur Bestimmung des Profils einer im Wesentlichen evolventischen Schleifschnecke A method for determining the profile of a substantially involute grinding worm |
| 08/11/2010 | CN201543918U Indexable form dual-cutter-head gear milling cutter |
| 08/11/2010 | CN201543917U Inner half-tooth gear shaping cutter |
| 08/05/2010 | US20100196106 Broach shaving apparatus |
| 07/28/2010 | CN201534250U 活络扳手排齿一次成型拉刀 Adjustable wrench row of teeth forming a broach |
| 07/15/2010 | WO2010078672A1 Cutting tool insert |
| 07/15/2010 | DE102009003338A1 Vorrichtung und Verfahren zum Verzahnen von Werkstücken sowie zugehöriges Werkzeugset Apparatus and method for cutting teeth of workpieces and associated tool set |
| 07/14/2010 | CN201524851U arc salient hob |
| 07/08/2010 | WO2010019955A3 Method and apparatus for honing a workpiece and a workpiece |
| 07/08/2010 | DE102005058536B4 Schneidwerkzeugsystem, insbesondere zum Verzahnen von Kegelrädern im Einzel-Teil-Verfahren A cutting tool system, in particular for cutting bevel gears in single-part process |
| 07/07/2010 | CN201519814U Mechanically-clamped indexable disc-mill cuter for finish machining of large modulus involute gear |