Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23F - Making gears or toothed racks › B23F 9 - Making gears having teeth curved in their longitudinal direction
Patents for B23F 9 - Making gears having teeth curved in their longitudinal direction (668)
05/2002
05/15/2002EP0883460B1 Method of machining gears during indexing
05/08/2002EP0850120B1 Tool feeding method
05/08/2002EP0784525B1 Method of producing tooth flank surface modifications
05/08/2002CN1084449C Point-line contacted biased worm gearing and its manufacturing method
03/2002
03/21/2002US20020034926 Method of forming tooth grooves
03/06/2002EP1184122A1 Method of forming tooth grooves
01/2002
01/08/2002US6336777 Face hobbing of hypoid gears using a two-spindle machine
12/2001
12/25/2001CA2246714C Method of machining gears during indexing
12/12/2001CN1075970C Method of producing tooth flank surface modifications
11/2001
11/29/2001DE10124779A1 Cutting hypoid gear teeth involves multi-spindle machine whose first and second rotating cutting tools perform coarse and fine hobbing for progressive finish machining.
11/27/2001CA2226908C Tool feeding method
09/2001
09/12/2001CN1070749C 工具进给方法 Tools feeding method
07/2001
07/05/2001WO2001001020A8 Helical and spur gear drive with double crowned pinion tooth surfaces and conjugated gear tooth surfaces
03/2001
03/27/2001US6205879 Helical and spur gear drive with double crowned pinion tooth surfaces and conjugated gear tooth surfaces
03/15/2001DE10029685A1 Schrägverzahnter und geradverzahnter Zahnradantrieb Diagonally serrated and geradverzahnter gear drive
01/2001
01/04/2001WO2001001020A1 Helical and spur gear drive with double crowned pinion tooth surfaces and conjugated gear tooth surfaces
09/2000
09/12/2000US6116828 Coating with layer containing titanium, aluminum, nitrogen and carbon
07/2000
07/12/2000EP1018387A1 Gear shaping method and device and spiral bevel gear cutter
06/2000
06/21/2000EP1009572A1 Method of determining cutting blade positional errors in face hobbing cutters
05/2000
05/10/2000CN2377035Y Circular tooth grinding device
04/2000
04/18/2000US6050883 Method of grinding the teeth of spiral-toothed bevel gear wheels
04/18/2000CA2200721C Method of producing tooth flank surface modifications
03/2000
03/07/2000US6033287 Method of finishing the hardened teeth of a bevel gear wheel
11/1999
11/24/1999CN1046647C Tool feeding method in gear manufacturing processes
10/1999
10/19/1999US5967883 Working apparatus provided with rotary table for mass-production of gears
10/07/1999WO1999050016A1 Gear shaping method and device and spiral bevel gear cutter
10/05/1999US5961260 Machine for producing spiral-toothed bevel gears
09/1999
09/21/1999US5954610 Speed change gear assembly
09/02/1999DE19806608A1 Workpiece processing with grinding tool
08/1999
08/26/1999DE19829880A1 CNC machine for grinding and sharpening the tooth flanks of a spiral bevel gear
04/1999
04/20/1999US5895180 Method of determining cutting blade positional errors in face hobbing cutters
04/14/1999EP0690760B1 Tool feeding method in gear manufacturing processes
03/1999
03/18/1999WO1999012688A1 Method of determining cutting blade positional errors in face hobbing cutters
03/17/1999CN1211208A Method of machining gears during indexing
12/1998
12/16/1998EP0883460A1 Method of machining gears during indexing
10/1998
10/14/1998EP0870565A2 Gear cutting method, apparatus and coated hob
10/14/1998CN1196009A Tool feeding method
09/1998
09/01/1998US5800103 Method of machining during indexing
07/1998
07/01/1998EP0850120A1 Tool feeding method
06/1998
06/10/1998CN1184219A Point-line contacted biased worm gearing and its manufacture
05/1998
05/27/1998CN1183070A 机床排屑系统 Machine Tool Chip Systems
05/14/1998DE19646189A1 Numerically-controlled machine tool for cog spline manufacture
02/1998
02/18/1998EP0823868A1 Machine tool chip removal system
02/10/1998US5716174 Tool feeding method
01/1998
01/21/1998CN1037072C Process for preparing nm-particle Ni-Pd alloy catalyst
09/1997
09/04/1997WO1997031746A1 Method of machining gears during indexing
09/03/1997CN1158580A Method of producing tooth flank surface modifications
07/1997
07/23/1997EP0784525A1 Method of producing tooth flank surface modifications
03/1997
03/20/1997WO1997010068A1 Tool feeding method
01/1997
01/22/1997EP0374139B1 Multi-axis bevel and hypoid gear generating machine
01/09/1997WO1996035541A3 Method of grinding the teeth of spiral-toothed bevel gear wheels
12/1996
12/24/1996US5586848 Machine tool chip removal system
12/03/1996US5580298 Method of producing tooth flank surface modifications
11/1996
11/26/1996CA2158045C Tool feeding method in gear manufacturing processes
11/14/1996WO1996035543A1 Method of finishing the hardened teeth of a bevel gear wheel
11/14/1996WO1996035542A1 Bevel gear pair
11/14/1996WO1996035541A2 Method of grinding the teeth of spiral-toothed bevel gear wheels
11/07/1996WO1996034720A1 Machine tool chip removal system
11/07/1996CA2216960A1 Machine tool chip removal system
10/1996
10/24/1996DE19517358C1 Verfahren zum Fertigbearbeiten der gehärteten Verzahnung eines Kegelrades A method of finishing the hardened teeth of a bevel gear
09/1996
09/03/1996CA2079811C Stock dividing method and apparatus for gear manufacturing machines
07/1996
07/04/1996DE19517359C1 Bevel gear pair for motor vehicle transmissions
06/1996
06/12/1996EP0533848B1 Stock dividing method and apparatus for gear manufacturing machines
06/11/1996CA2070819C Process for producing face hobbed bevel gears with toe relief
05/1996
05/23/1996DE19517360C1 Verfahren zum Schleifen der Verzahnung von bogenverzahnten Kegelrädern A method of grinding the teeth of spiral bevel gears
05/01/1996EP0709157A2 Multi-axis bevel and hypoid gear generating machine
04/1996
04/25/1996DE4427010C1 Machine for finishing teeth on bevel gears
04/04/1996WO1996009910A1 Method of producing tooth flank surface modifications
03/1996
03/27/1996CN1119423A Tool feeding method in gear manufacturing processes
01/1996
01/10/1996EP0690760A1 Tool feeding method in gear manufacturing processes
08/1995
08/16/1995EP0573528B1 Method of generating bevel and hypoid gears
07/1995
07/19/1995CN1105289A Process for preparing nm-particle Ni-Pd alloy catalyst
05/1995
05/24/1995EP0304432B1 Machine and process for forming longitudinally curved tooth gears
05/17/1995EP0542762B1 Method of forming the teeth of longitudinally curved tooth gears
04/1995
04/25/1995CA2084880C Method of forming the teeth of longitudinally curved tooth gears
04/06/1995DE4434804A1 Transmission gear arrangement which angularly deflects the flux of force, method for the production of such a transmission gear arrangement and tool for carrying out the said method
03/1995
03/14/1995CA2100769C Method of generating bevel and hypoid gears
10/1994
10/27/1994DE4313535A1 Five-axis gear-cutting machine for producing spiral gears, and method of operating the machine
10/11/1994CA1332457C Multi-axis bevel and hypoid gear generating machine
09/1994
09/29/1994WO1994021413A1 Tool feeding method in gear manufacturing processes
09/14/1994EP0521866B1 Process for producing face hobbed bevel gears with toe relief
05/1994
05/10/1994US5310295 Tool feeding method in gear manufacturing processes
11/1993
11/02/1993US5257882 Apparatus and method for manufacturing longitudinally curved tooth gears
09/1993
09/07/1993CA1322035C Multi-axis bevel and hypoid gear generating machine
05/1993
05/13/1993DE4137023A1 Producing teeth with curved flanks on conical surface of blank - using cutter with teeth rotating in circular path whose axis is offset from and inclined to axis of rotating blank
09/1992
09/16/1992EP0503020A1 Process for the manufacture of round workpieces with tooth-like projections, in particular gearwheels
09/03/1992WO1992014574A1 Method of generating bevel and hypoid gears
09/02/1992EP0501196A1 Fully automatic gear cutting machine for making gears having longitudinally curved teeth and method of operating the machine
08/1992
08/04/1992US5136522 Stock dividing method and apparatus for gear manufacturing machine
05/1992
05/26/1992US5116173 Method of generating bevel and hypoid gears
05/19/1992US5114287 Process for producing face hobbed bevel gears with toe relief
04/1992
04/02/1992WO1992005004A1 Process for the manufacture of round workpieces with tooth-like projections, in particular gearwheels
03/1992
03/26/1992DE4029671A1 Verfahren zur herstellung von runden werkstuecken mit stegfoermigen vorspruengen, insbesondere zur herstellung von zahnraedern Process for the preparation of round workpieces with stegfoermigen projections, in particular for the production of gear wheels
02/1992
02/25/1992US5090161 Method of producing curved-toothed bevel gear
02/18/1992US5088243 Method of forming the teeth of longitudinally curved tooth gears
02/07/1992WO1992002328A1 Method of forming the teeth of longitudinally curved tooth gears
01/1992
01/23/1992WO1991020021A3 Stock dividing method and apparatus for gear manufacturing machines
01/14/1992US5080537 Apparatus for machining bevel gear
12/1991
12/14/1991WO1991020021A2 Stock dividing method and apparatus for gear manufacturing machines
10/1991
10/01/1991WO1991015323A1 Process for producing face hobbed bevel gears with toe relief
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