| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 10/01/1997 | EP0686075B1 Method of sharpening profile-sharpened cutting blades |
| 09/24/1997 | EP0796163A1 Hob cutter for machining face gears, and method for manufacturing such a tool |
| 09/02/1997 | US5662514 Method for producing cutting blades |
| 08/27/1997 | CN2260679Y Integral-toolbar-assembled rough-cutting smoothing hobbing-cutter |
| 08/06/1997 | EP0787055A1 Gear transmission of a cylindrical pinion with a face gear, face gear used in said gear transmission, and method and tool for making the face gear |
| 07/29/1997 | US5651644 Rotary shaving cutter with alternatively arranged plates |
| 07/24/1997 | DE19701919A1 One-piece cutting body for cutting device for making gear wheels |
| 07/15/1997 | US5647790 Method for generating tooth surfaces of globoid worm wheel |
| 05/21/1997 | EP0580597B1 Rotary ring cutter |
| 05/21/1997 | EP0580591B1 Rotary disc cutter and method of making same |
| 05/21/1997 | CN2254386Y Tool adjusting apparatus for milling teeth machine |
| 05/07/1997 | EP0682586B1 Tool for manufacturing crown wheels |
| 05/06/1997 | US5626443 Convex-concave hobs |
| 04/29/1997 | US5624301 Method and mechanism for the grinding of groove-shaped external profiles on work pieces |
| 04/22/1997 | US5622459 Tool for manufacturing crown wheels |
| 04/01/1997 | US5615982 Gear finishing apparatus |
| 03/12/1997 | EP0761357A2 Method for shaving or honing cylindrical gears, in particular gears with tooth flank modifications, and method for profiling gear honing tools |
| 03/12/1997 | EP0760728A1 Method for producing a hob |
| 02/20/1997 | DE19624685C1 Round bar blade for production of and processing teeth |
| 02/19/1997 | EP0758567A1 Method for working members divided into two each having rack teeth |
| 02/19/1997 | CN1143341A Threaded grinding wheel, method of dressing, and grinding workpiece therewith |
| 02/18/1997 | CA2147597C Rotary ring cutter having coolant distribution and discharge means |
| 02/04/1997 | US5598618 Mainrotor machining process and apparatus |
| 01/30/1997 | WO1996019310A3 Front-loading rotary ring cutter |
| 01/14/1997 | US5593254 Generating milling cutter |
| 01/14/1997 | US5592843 Spline rack |
| 01/09/1997 | WO1996035541A3 Method of grinding the teeth of spiral-toothed bevel gear wheels |
| 01/02/1997 | EP0750538A1 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith |
| 12/17/1996 | CA2108123C Rotary ring cutter |
| 11/14/1996 | WO1996035541A2 Method of grinding the teeth of spiral-toothed bevel gear wheels |
| 11/12/1996 | US5573449 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith |
| 10/30/1996 | EP0739674A2 Internal broaching tool for internal broaching of profiles |
| 10/30/1996 | CN2238695Y Chain gear hob |
| 10/08/1996 | CA2108122C Rotary disc cutter and method of making same |
| 10/02/1996 | CN1132131A Method for generating tooth surfaces of globoid worm wheel |
| 09/06/1996 | WO1996026803A1 Method for working members divided into two each having rack teeth |
| 08/14/1996 | DE19604237A1 Toothed rack for tooth profile cutting machine |
| 08/06/1996 | US5542791 Front-loading rotary ring cutter |
| 07/10/1996 | EP0720885A1 Tool for producing undercuts in gear teeth |
| 07/10/1996 | EP0720517A1 Rotary ring cutter having coolant distribution and discharge means |
| 07/02/1996 | CA2038139C Multiple stage shaving die |
| 06/27/1996 | WO1996019310A2 Front-loading rotary ring cutter |
| 06/13/1996 | WO1996017708A1 Hob cutter for machining face gears, and method for manufacturing such a tool |
| 06/13/1996 | DE19524275C1 Milling cutter with inserted cutter bodies |
| 06/04/1996 | US5522278 Self-locking dual worm gear and the tools needed to produce it |
| 05/23/1996 | DE19517360C1 Verfahren zum Schleifen der Verzahnung von bogenverzahnten Kegelrädern A method of grinding the teeth of spiral bevel gears |
| 05/21/1996 | CA2071121C Boron nitride coated microcutting device |
| 05/15/1996 | DE4447036C1 Grinding and honing tool for fine machining of workpieces |
| 05/02/1996 | WO1996012585A1 Gear transmission of a cylindrical pinion with a face gear, face gear used in said gear transmission, and method and tool for making the face gear |
| 04/03/1996 | CN1119839A Universal cutting blade blank and cutting blade formed therefrom |
| 03/14/1996 | DE4441927C1 Adjusting method for machine parts, esp. for deburring of toothed gears |
| 03/06/1996 | EP0699114A1 Tool for producing a crown wheel which can mesh with a pinion with oblique teeth, and method of producing such a crown wheel |
| 03/06/1996 | EP0597917B1 Shaft with shaped endless screw |
| 02/27/1996 | US5494475 Tool for producing crown wheels, and method for producing such a tool |
| 02/07/1996 | CN2219173Y Tool wheel for electrolyzing, shaving and honing circular gear |
| 01/25/1996 | DE4445910C1 Gear=cutting hob design with cermet inserts |
| 01/17/1996 | EP0692342A2 Toothed honing tool |
| 01/17/1996 | EP0633820B1 Method and device for grinding grooved external surfaces of a workpiece |
| 01/11/1996 | WO1996000635A1 Method for producing a hob |
| 01/10/1996 | EP0690761A1 Universal cutting blade blank and cutting blade formed therefrom |
| 01/02/1996 | US5480343 Method of sharpening profile-sharpened cutting blades |
| 12/27/1995 | EP0688623A1 Honing tool for precision gear wheels |
| 12/26/1995 | US5477755 Universal cutting blade blank and method for forming a cutting blade therefrom |
| 12/21/1995 | DE4445911C1 Coolant feeder for milling cutter |
| 12/13/1995 | EP0686075A1 Method of sharpening profile-sharpened cutting blades |
| 11/22/1995 | EP0682586A1 Tool for manufacturing crown wheels. |
| 11/16/1995 | WO1995030507A1 Device for manufacturing profiled workpieces, particularly gearwheels |
| 11/14/1995 | US5465631 Shaft with a worm formed onto it, and milling machine for manufacturing a worm |
| 11/02/1995 | DE19500314C1 Rotary chipping cutter to create backing on teeth |
| 10/05/1995 | WO1995026249A1 Method and device for producing backings on internally geared workpieces |
| 10/05/1995 | DE4410743A1 Verfahren und Vorrichtung zum Erzeugen von Hinterlegungen an innenverzahnten Werkstücken Method and apparatus for generating deposits on the inside toothed workpieces |
| 09/27/1995 | CN2208463Y Gear shaving cutter for bottom of straight line groove |
| 09/21/1995 | WO1995024989A1 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith |
| 09/21/1995 | CA2184997A1 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith |
| 08/30/1995 | CN2206172Y Double conic front tool face pinion shaped cutter |
| 08/16/1995 | CN2205270Y Push knife for integral key hole correction |
| 08/02/1995 | EP0665082A1 A method of forming grooves with cutting edges in the sides of the teeth of a shaving cutter and a tool for carrying out the method |
| 08/02/1995 | EP0665077A1 Gear finishing apparatus |
| 07/12/1995 | EP0566637B1 Method for crown gear grinding by generation |
| 07/06/1995 | DE4400175A1 Rotary cutting tool with accurately located removable blades |
| 06/22/1995 | DE4420225C1 Method for tooth flank profile grinding or milling of outer inclined toothed workpieces |
| 05/24/1995 | EP0304432B1 Machine and process for forming longitudinally curved tooth gears |
| 05/02/1995 | US5411431 Method for crown gear grinding by generation |
| 04/12/1995 | EP0647493A1 Solid cermet hob |
| 04/04/1995 | US5403137 Process and device for attaching an object to a lightweight material wall |
| 03/23/1995 | DE4432600A1 Tool assembled from several parts and method of sealing its joint gaps and joints |
| 03/16/1995 | DE4330484A1 Peeling hob |
| 03/14/1995 | US5396818 For use in cutting internal helical splines |
| 03/08/1995 | CN1099851A Cycloid gullet cylindrical gear and working method |
| 02/22/1995 | EP0639731A1 Self-locking twin screw transmission and tool for its manufacture |
| 01/19/1995 | WO1995001849A1 Gear finishing apparatus |
| 01/10/1995 | US5379554 Grinding and finishing worm |
| 01/03/1995 | US5377457 Method for generating of gear-shaped precision-working tools, in particular for regrinding shaving gears, and a gear-shaped tool, in particular a shaving gear, to which the method can be applied |
| 12/22/1994 | DE4345169C1 Method of finishing gears with an internally toothed tool, internally toothed tool suitable for this, and method of dressing this tool |
| 12/20/1994 | US5374142 Tip relief cutter blades |
| 11/24/1994 | WO1994026452A1 Tool for producing a crown wheel which can mesh with a pinion with oblique teeth, and method of producing such a crown wheel |
| 11/24/1994 | DE4316765A1 Apparatus for producing or machining gears |
| 10/27/1994 | DE4313533A1 Method of rolling honing bevel gears as well as a tool and apparatus for carrying out the method |
| 10/19/1994 | EP0559798B1 Tool for producing crown wheels, and method for producing such a tool |
| 09/29/1994 | WO1994021414A1 Universal cutting blade blank and cutting blade formed therefrom |