| Patents for B23F 9 - Making gears having teeth curved in their longitudinal direction (668) |
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| 10/17/2007 | CN200960606Y Six-shaft five-linkage spiral bevel gear processing machine tool |
| 10/17/2007 | CN200960568Y Work-piece main shaft worm wheel auxiliary gap-eliminating device of arc teeth bevel gear milling machine tool |
| 10/17/2007 | CN200960567Y Automatic stroke adjusting device of digital control gear shaper |
| 10/17/2007 | CN100343003C Machine and method for producing bevel gears |
| 09/27/2007 | DE102007000163A1 Verfahren zum Erzeugen eines Elements mit einer stirnverzahnten Fläche A method for generating an element having a front toothed surface |
| 09/26/2007 | CN101041194A Numerical control machine for processing huge conical gear with curved teeth |
| 09/05/2007 | CN100335821C Curved teeth cylindrical gear, machining method and apparatus thereof |
| 08/29/2007 | CN101027158A Method and device for optimizing free forming of bevel and hypoid gears |
| 08/16/2007 | WO2007090871A1 Apparatus and method for machining bevel gears in a pitching method with complete pitch error compensation |
| 08/16/2007 | DE19911235B4 Verfahren zur Bearbeitung der Flanken im wesentlichen zylindrischer, aber breitenballig modifizierter Verzahnungen im kontinuierlichen Diagonal-Wälzverfahren A method for processing the edges substantially cylindrical, but breitenballig modified teeth in continuous diagonal generating method |
| 08/16/2007 | CA2641361A1 Apparatus and method for machining bevel gears in a pitching method with complete pitch error compensation |
| 08/15/2007 | CN101015870A Six-five axis spiral awl gear cutting machine |
| 06/20/2007 | EP1796862A1 Device and method for machining gear wheels in a division method with a reduced division time |
| 06/19/2007 | CA2431015C Machine and method for producing bevel gears |
| 06/06/2007 | CN1974097A Method for trimming longitudinal curvature of cog surface in gear |
| 06/06/2007 | CN1319698C Small module arc tooth conical tooth processing technology and tool for honing pore |
| 05/09/2007 | CN1958226A Machine tool for processing spiral taper gear with six axes, five linkage axes |
| 04/19/2007 | WO2007044403A1 Manufacturing straight bevel gears |
| 04/19/2007 | CA2623961A1 Manufacturing straight bevel gears |
| 04/18/2007 | EP1773530A1 Method and device for optimizing free forming of bevel and hypoid gears |
| 04/03/2007 | US7198441 Method and machine for cutting spiral bevel gears |
| 03/21/2007 | EP1363757B1 Machine and method for producing bevel gears |
| 03/13/2007 | US7188420 Method for manufacturing bevel gears |
| 03/07/2007 | CN1923419A Large mode number helical awl gear cutting machine |
| 03/01/2007 | WO2006023529A3 Cutting machine for gear shaping or the like |
| 02/20/2007 | US7179025 Machine and method with 7 axes for CNC-controlled machining, particularly generating cutting or grinding; of spiral bevel gears |
| 02/14/2007 | CN1911579A Gear cutting machine having a device for chamfering / deburring the edges of a work piece |
| 01/31/2007 | CN2863333Y Mechanism of gear slotting machine for processing helix gear |
| 01/25/2007 | US20070020058 Gear cutting machine, in particular bevel gear cutting machine, having a device for chamfering / deburring the edges of a work piece |
| 01/24/2007 | EP1745877A1 Gear cutting machine, in particular bevel gear cutting machine, with a device for chamfering/deburring tooth edges |
| 01/18/2007 | WO2007008136A1 Procedure for production of parts that shows cogs |
| 01/17/2007 | CN1895828A Six-shaft and five-linked machine tool for spiral conical gears |
| 01/02/2007 | US7156718 Generating method and machine for spiral bevel gears |
| 12/21/2006 | WO2006133727A1 Method and device for optimizing free forming of bevel and hypoid gears |
| 11/22/2006 | CN2838830Y Universal rack gear shaping mechanism |
| 09/27/2006 | CN2820409Y Large module screw conic gear processing machine tool |
| 09/12/2006 | US7104870 Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears |
| 09/06/2006 | CN1827291A Tapping screw making method |
| 08/29/2006 | US7097399 Cutting machine for gear shaping or the like |
| 08/02/2006 | CN2801355Y Hexashaft penta linked screw cone gear wheel processing machine tool |
| 06/28/2006 | CN1792529A Method for processing spiral bevel gear and apparatus for forming large wheel of bevel gear thereof |
| 06/14/2006 | CN2787354Y Adjustment device for processing helical rack by gear shaper |
| 04/26/2006 | CN2774686Y Rolling rail and cutter box in sector gear gear shapping machine |
| 03/23/2006 | US20060062643 Gear-forming cutter |
| 02/16/2006 | DE112004000526T5 Verfahren zum Herstellen von Keilzähnen an einem ring- oder scheibenförmigen Kupplungselement A method of producing splines in a ring-shaped or disc-shaped coupling element |
| 01/25/2006 | CN2753496Y Universal helical gear shaping machine |
| 01/05/2006 | US20060002775 Parallel-serial bevel and hypoid gear generating machine |
| 01/05/2006 | DE10334493B4 Verfahren zum Fräsen von Spiralkegelrädern A method for milling spiral bevel gears |
| 12/29/2005 | DE10343854B4 Wälz-Verfahren für Spiralkegelräder Rolling method for spiral bevel gears |
| 10/20/2005 | DE202005011790U1 Unit for deburring and creation of chamfer at teeth of bevel wheel, attached to main device for creation of toothed areas |
| 10/19/2005 | CN1683105A Method for manufacturing bevel gears |
| 10/12/2005 | CN2732407Y Device for machining helical gear by turning lathe |
| 09/22/2005 | US20050207858 Bevel gear cutting machine for chamfering and/or deburring edges on the teeth of a bevel gear |
| 09/21/2005 | EP1577042A1 Method for manufacturing bevel gears |
| 09/21/2005 | EP1577041A1 Bevel gear cutting machine and method for chamfering and/or deburring tooth edges of a bevel gear |
| 09/21/2005 | CN1669709A Bevel gear cutting machine for tooth edge chamfering and/or burrs clearing |
| 09/15/2005 | US20050198808 Method for manufacturing bevel gears |
| 09/07/2005 | CN2723095Y Angle display device for digital control tooth milling machine rotary tray |
| 09/01/2005 | WO2005080829A1 Gear and method of cutting the gear |
| 08/09/2005 | CA2356439C Method of forming tooth grooves |
| 08/03/2005 | CN2714219Y Spiral bevel gear manufacturing machine |
| 07/21/2005 | US20050159080 Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears |
| 07/20/2005 | CN2710812Y Electrospark gyration expansion processing device for each tooth variable helical angle gear wheel |
| 06/08/2005 | CN1623713A Unisersal helical gearshaper machine |
| 05/12/2005 | DE10256222B4 Maschine und Verfahren mit 7 Achsen zum CNC-gesteuerten spanabhebenden Bearbeiten, insbesondere Wälzfräsen oder Wälzschleifen, von Spiralkegelrädern Machine and method with 7 axes for CNC machining down, especially hobbing or hob grinding, spiral bevel gears |
| 04/06/2005 | CN1603041A Processing method of cylinder involute tooth flank bevel gear and changing mechanism there of |
| 03/30/2005 | EP1518630A1 Method and machine for generating spiral bevel gears |
| 03/24/2005 | US20050064794 Generating method and machine for spiral bevel gears |
| 03/23/2005 | CN1597239A Small module arc tooth conical tooth processing technology and tool for honing pore |
| 02/23/2005 | CN1584371A Curved teeth cylindrical gear, machining method and apparatus thereof |
| 02/03/2005 | US20050025597 Method and machine for cutting spiral bevel gears |
| 02/02/2005 | EP1502688A1 Method and machine for cutting spiral bevel gears |
| 08/25/2004 | EP1018387B1 Gear shaping method and device and spiral bevel gear cutter |
| 08/12/2004 | DE10303208A1 Production of conical spur wheels for beveloid automatic ore processing unit in a machine tool, involves producing spur wheels with teeth and head edge breaks formed in separate processing steps using same machine tool |
| 07/28/2004 | EP1439930A2 Apparatus and methods for producing a curved tooth |
| 06/17/2004 | DE10256222A1 Maschine und Verfahren mit 7 Achsen zum CNC-gesteuerten spanabhebenden Bearbeiten, insbesondere Wälzfräsen oder Wälzschleifen, von Spiralkegelrädern Machine and method with 7 axes for CNC machining down, especially hobbing or hob grinding, spiral bevel gears |
| 06/03/2004 | US20040105731 Machine and method with 7 axes for CNC-controlled machining, particularly generating cutting or grinding; of spiral bevel gears |
| 06/03/2004 | DE202004004480U1 Kegelrad-Verzahnmaschine zum Anfasen und/oder Entgraten von Kanten an den Zähnen eines Kegelrades Bevel gear cutting machine for chamfering and / or deburring edges on the teeth of a bevel gear |
| 05/19/2004 | DE10250479A1 Conical spur gear production process for machine tool gears involves passing cylindrical tool with rising foot height over milling-tool width in continual shift mode |
| 04/20/2004 | USRE38504 Machine for producing spiral-toothed bevel gears |
| 03/30/2004 | US6712566 Machine and method for producing bevel gears |
| 01/14/2004 | CN1134319C Method of machining gears during indexing |
| 12/30/2003 | US6669415 Machine for producing bevel gears |
| 11/26/2003 | EP1363757A1 Machine and method for producing bevel gears |
| 11/19/2003 | CN1457279A Machine and method for producing bevel gears |
| 10/01/2003 | EP1348509A2 Method of manufacturing straight bevel gear with continuous indexing |
| 09/16/2003 | US6618917 Complex machining tools |
| 07/02/2003 | EP0374139B2 Multi-axis bevel and hypoid gear generating machine |
| 05/08/2003 | WO2003024652A3 Apparatus and methods for producing a curved tooth |
| 05/08/2003 | US20030086769 Apparatus and methods for producing a curved tooth |
| 03/27/2003 | WO2003024652A2 Apparatus and methods for producing a curved tooth |
| 03/27/2003 | CA2460164A1 Apparatus and methods for producing a curved tooth |
| 03/06/2003 | US20030041706 Complex machining tools |
| 03/05/2003 | EP1009572B1 Method of determining cutting blade positional errors in face hobbing cutters |
| 02/27/2003 | US20030040258 Machine and method for producing bevel gears |
| 02/18/2003 | US6520842 Method of forming tooth grooves |
| 11/19/2002 | US6481307 Bevel gear pair |
| 10/24/2002 | US20020154961 Machine and method for producing bevel gears |
| 08/29/2002 | WO2002066193A1 Machine and method for producing bevel gears |
| 07/09/2002 | US6416262 Gear shaping method and device and spiral bevel gear cutter |