| Patents for B23F 19 - Finishing gear teeth by other tools than those used for manufacturing gear teeth (1,393) |
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| 10/27/1994 | DE4312774A1 Device for grinding spur or bevel gears |
| 10/18/1994 | US5356342 Teeth for a wobblestick |
| 10/06/1994 | DE4323935C1 Machine for the fine machining of tooth flanks of gear-shaped workpieces with an internally toothed tool |
| 09/20/1994 | US5347760 Gear finishing apparatus |
| 09/14/1994 | EP0521866B1 Process for producing face hobbed bevel gears with toe relief |
| 07/21/1994 | WO1994016245A1 Gear tooth topological modification |
| 07/20/1994 | EP0606324A1 Honing machine |
| 05/31/1994 | US5315790 Gear tooth topological modification |
| 04/05/1994 | US5299390 Method and apparatus for lapping a pair of gears |
| 03/29/1994 | US5297338 Method of connecting metal ring gear to metal boss portion |
| 03/24/1994 | DE4231021A1 Abrasive finishing of gear-teeth using helical rotor drive - involves pendular motion with radius and angle adjusted to determine relative displacement of edges of tool and machining wheel |
| 02/08/1994 | CA1326777C Shafted pinions adjustment device |
| 02/03/1994 | DE4303897C1 Gear teeth flank machining system - has each cutting tool movable in tool holder in transverse direction and bearing at rear against cam with profile matching that of finished flank |
| 01/13/1994 | DE4221427A1 Accurate cutting or shaping of internal or external evolute gear teeth - involves tool shaped as globoidal worm gear for plastic deformation by rolling, grinding or cutting |
| 01/05/1994 | DE4214268C1 High torsion coupling between shaft and hub - has toothed profiles with grooved gear teeth for plastic deformation after heat shrink fit |
| 11/10/1993 | EP0568849A1 Method for finishing crowned and/or conical gear teeth and machine for carrying out this method |
| 10/28/1993 | DE4317306A1 Honing process and machine for finishing gear teeth - has abrasive gear hone in mesh with workpiece gear and electronically coupled spindles so that pitch errors in gear can be measured and corrected by modifying relative speeds |
| 10/26/1993 | US5255475 Tool for grinding the teeth of bevel gears having longitudinally curved teeth |
| 10/14/1993 | WO1993019881A1 Method and device for grinding grooved external surfaces of a workpiece |
| 10/13/1993 | CN1077149A Shaving and honing principle for elliptic gear and machine tool thereof |
| 09/30/1993 | DE4210710A1 Verfahren und Einrichtung zum Schleifen rillenförmiger Außenprofile eines Werkstückes Method and apparatus for grinding groove-shaped outer profile of a workpiece |
| 08/31/1993 | US5239782 Method for recording removal of material during precision finishing of pre-profiled work pieces |
| 07/14/1993 | EP0550877A1 Method for generating undercuts in straight internal or external toothings of toothed workpieces |
| 04/29/1993 | WO1993007984A1 Fly-cutter with a deburring wheel |
| 04/22/1993 | DE4134441A1 Schlagmesser-fraesmaschine mit entgratungsrad Fly-cutter milling machine with entgratungsrad |
| 04/15/1993 | WO1993006962A1 Honing machine |
| 04/14/1993 | EP0537107A1 Machine for finishing gears and method for dressing an abrasive tool |
| 04/14/1993 | CN1070856A Steel-steel pair wormgear made method using steel to replace copper |
| 04/08/1993 | DE4133105A1 Hon-maschine Hon-machine |
| 03/09/1993 | US5191739 Method and apparatus for lapping gear teeth while changing at least one of load torque, rotating speeds and rate of teeth contact point movement of the gears |
| 01/13/1993 | EP0522453A1 Method for producing inside deepening undercuts on internal gear tooth systems |
| 01/13/1993 | EP0522448A1 Method and device for machining the end edges of the teeth of a gearwheel workpiece |
| 12/29/1992 | US5174699 Method for finishing gears via skiving |
| 12/10/1992 | DE4139970C1 Machine to chamfer teeth edges of gears - has spindle driven by servo motor and moved to=and=fro by piston-cylinder unit whose movement is controlled by servo valve |
| 12/02/1992 | EP0515791A2 Device and method for shaving gears having electronically coupled individual drives for work gear and tool |
| 12/02/1992 | CN2123397U Knurling and hobbing machine |
| 11/26/1992 | DE4129024A1 Gear wheel precision profiling machine - has separate electric drives for gear wheel and milling wheel with electronic coupling |
| 11/11/1992 | EP0512205A2 Machine for working rotating workpieces |
| 11/05/1992 | DE4134925C1 Gear wheel machining fixture - has two cutter spindles with cutter head moving at angles |
| 11/04/1992 | EP0511225A1 Gear-shaped tool and method of generating gears |
| 10/29/1992 | WO1992018279A1 Method for finishing hardened crown wheels |
| 10/15/1992 | DE4211515A1 Process for lapping bevel gears - involves using controlled braking and acceleration of gears to produce even mating surfaces |
| 10/13/1992 | US5154553 Apparatus for chamfering and deburring the end edges of a toothed production gear |
| 09/16/1992 | EP0503020A1 Process for the manufacture of round workpieces with tooth-like projections, in particular gearwheels |
| 09/09/1992 | CN1018162B Gear-shaving precision control device |
| 09/03/1992 | WO1992014574A1 Method of generating bevel and hypoid gears |
| 07/29/1992 | EP0496004A1 Method for high-precision machining of pre-profiled, hardened workpieces |
| 07/28/1992 | US5133627 Tip-relieved spiral bevel gear and method |
| 07/14/1992 | US5129185 Method for the precision working of the tooth flanks of particularly hardened gears |
| 07/07/1992 | US5127256 Apparatus for adjusting a slide stroke of a press machine |
| 06/17/1992 | DE4130927C1 Chaser gear for gear tooth deburring and edging - has part of its teeth with compression flanks, engaging angular edges of worked gear teeth |
| 06/17/1992 | DE4122459C1 Straight tooth bevel gear cutting machine - has rotary tool with bell-shaped body with inwards pointing blades at edge region |
| 06/09/1992 | US5119594 Grinding machine for continuous roll grinding of gears |
| 05/27/1992 | CN1016763B Electrolysis combined with radical, tangential and diagonal shaving technology |
| 05/26/1992 | US5116173 Method of generating bevel and hypoid gears |
| 05/19/1992 | US5114287 Process for producing face hobbed bevel gears with toe relief |
| 05/07/1992 | DE4117365C1 Milling sickle-shaped pockets in sleeve inner bore - uses single-tooth milling cutter and continuously rotates workpiece about its axis |
| 04/02/1992 | WO1992005004A1 Process for the manufacture of round workpieces with tooth-like projections, in particular gearwheels |
| 03/26/1992 | DE4029671A1 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 |
| 03/19/1992 | WO1992004153A1 A tip-relieved spiral bevel gear and method |
| 03/03/1992 | US5092720 Method for determination of longitudinal and profile modification of tool gear tooth surface |
| 02/20/1992 | DE4117219C1 Fine machining of gearwheels - involves tool teeth narrower than teeth of gearwheel being mfd. |
| 02/19/1992 | EP0365547B1 Grinding machine for continuous rolling grinding of toothed wheel work |
| 02/18/1992 | US5088243 Method of forming the teeth of longitudinally curved tooth gears |
| 02/07/1992 | WO1992002328A1 Method of forming the teeth of longitudinally curved tooth gears |
| 02/05/1992 | CN1015348B Improvement of removing tool pausal mark for gear-shaving machine |
| 01/14/1992 | US5079877 Method for manufacture of toothed abrasive tool and method for finish-machining therewith |
| 01/02/1992 | EP0325579B1 Worm wheel and method of hobbing same |
| 01/02/1992 | DE4019834A1 Automatically controlling milling of gearwheels - using movable optic sensor to identify each gearwheel before processing |
| 12/24/1991 | US5074080 Tool for the precision working of tooth flanks of hardened gears |
| 12/11/1991 | EP0362388A4 Method of making an abrasive geared instrument and method of using it for finishing |
| 12/11/1991 | EP0352335A4 Method of determining longitudinal and profile modifications to a tool tooth surface |
| 12/11/1991 | EP0348525A4 Machine tool for making and trimming of instruments and finishing of gears |
| 10/31/1991 | WO1991010528A3 Gear-shaped tool and method of generating gears |
| 10/24/1991 | DE4112122A1 Workpiece teeth flank grinding method - alters centre distance disc position tilt angle and rotary movement to vary shape |
| 10/22/1991 | US5058449 Tip-relieved spiral bevel gear |
| 10/01/1991 | WO1991015323A1 Process for producing face hobbed bevel gears with toe relief |
| 10/01/1991 | US5052867 Method of producing profiled workpieces |
| 10/01/1991 | US5052865 Deburring apparatus |
| 10/01/1991 | CA1289772C Worm wheel and method of hobbing same |
| 09/11/1991 | EP0446016A2 Apparatus for adjusting a slide stroke of a press machine |
| 09/06/1991 | CA2037500A1 Apparatus for adjusting a slide stroke of a press machine |
| 09/03/1991 | US5044127 Gear-shaped tool and method of generating gears |
| 08/06/1991 | US5037252 Multi-spindle synchronous drive unit and gear cutting machine employing the same |
| 07/17/1991 | WO1991010528A2 Gear-shaped tool and method of generating gears |
| 07/17/1991 | EP0437391A1 Perfectioned milling unit, especially for the milling of teeth |
| 07/17/1991 | CA2069100A1 Gear-shaped tool and method of generating gears |
| 07/11/1991 | DE4011775C1 De-burring machine tool - has tool holder rotated to=and=fro using cam for return movement |
| 06/04/1991 | US5020279 Machine tool for manufacture and dressing of tools and for finish-machining of gear wheels |
| 05/23/1991 | DE4020611C1 Deburring tool for gear teeth - includes secondary burr removal tool coaxial to work axis, to be effective on bevel teeth |
| 05/14/1991 | US5014467 Method and machine for the discontinuous generating grinding with indexing |
| 04/10/1991 | EP0421106A1 Duplex cut method for making generated spiral bevel gears of a bevel or hypoid gear drive |
| 03/19/1991 | US5000632 Duplex method of manufacturing a generated spiral-toothed bevel gear of a bevel-gear or hypoid-gear drive |
| 02/21/1991 | WO1991002201A1 A machine for chamfering the sharp edges of the teeth of annular gears |
| 01/15/1991 | CA1278922C Machine and process for forming longitudinally curved tooth gears |
| 01/08/1991 | US4982532 Method and apparatus for finishing gear tooth surfaces of a bevel gear |
| 12/26/1990 | CN1047993A Gear-shaving precision control device |
| 11/29/1990 | DE3915976A1 Verfahren zur schlichtbearbeitung der flanken von zylinderraedern durch waelzschaelen sowie vorrichtung zur durchfuehrung eines solchen verfahrens Method for simply editing the flanks of cylindrical gears by skiving and device for carrying out said method |
| 11/27/1990 | US4972564 Apparatus for correcting surface imperfections on a surface of gear tooth |
| 11/20/1990 | US4971488 Table sliding apparatus for gear finishing machines |