| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 02/25/1987 | EP0211127A2 Method for chamfering the edges of gear teeth |
| 02/24/1987 | US4645715 Oxide, boride, carbide or nitride of one or more transition metals |
| 02/24/1987 | CA1218226A1 Shaper cutter |
| 02/11/1987 | CN86100544A Gear with parabolic shaped tooth and hobbing cutter |
| 01/13/1987 | US4635404 Apparatus for machining a spur gear by means of a rotating gearlike tool |
| 12/31/1986 | WO1986007551A1 Laminated gear shaving tools |
| 12/16/1986 | US4629377 Disposable disk cutter |
| 12/16/1986 | US4629370 Sprocket cutter and method of assembling |
| 12/09/1986 | US4627770 Gear cutter |
| 12/03/1986 | EP0203085A1 Cutting tool and method of manufacture. |
| 12/02/1986 | US4625467 Gear shaper having replaceable tip |
| 11/25/1986 | CA1214321A1 Sprocket cutter and method of assembling |
| 11/11/1986 | US4621954 Gear cutter assembly |
| 10/28/1986 | CA1213245A1 Coating composition and method |
| 09/09/1986 | US4610577 Gear or rack-shaped tool for precision machining of tooth flanks particularly of hardened gears |
| 09/09/1986 | US4610576 Single-tooth cutter for sloping the faces of the teeth of gears |
| 08/06/1986 | CN85100360A Double forming forging for angle milling cutter blank |
| 07/29/1986 | US4602458 Apparatus for the manufacture or working of gears |
| 07/02/1986 | EP0186101A1 Method for the manufacture of a toothed tool for the precision machining of gear wheels |
| 06/05/1986 | WO1986003159A1 Cutting tool and method of manufacture |
| 06/05/1986 | WO1986003151A1 Gear cutter assembly |
| 05/13/1986 | US4588336 Rack and pinion gear and process of fabrication |
| 03/18/1986 | US4576527 Shaper cutter |
| 03/11/1986 | US4575286 Gear cutter assembly |
| 03/11/1986 | US4575285 Cutting tool and method of manufacture |
| 12/24/1985 | US4559744 Process for machining a spur gear by means of a rotating gear-like tool |
| 12/11/1985 | EP0163802A1 Tool for finishing the tooth flanks of gears |
| 12/10/1985 | US4557639 Cutting tool for planing gear tooth flanks |
| 10/22/1985 | US4548531 Method for chamfering the edges of gear teeth |
| 08/20/1985 | US4536106 Hobbing cutter for producing gears |
| 08/06/1985 | US4533812 Method and device for fine profiling tools coated with super-hard materials |
| 07/23/1985 | US4530623 End cutter head, for gear cutting machines, cutters for end cutter heads and method for refacing said cutters |
| 06/25/1985 | US4525108 Cutter and method for gear manufacture |
| 06/25/1985 | CA1189298A1 End cutter head for gear cutting machines, cutters for end cutter heads and method for refacing said cutters |
| 04/30/1985 | US4514119 Method of shaping a helical gear |
| 04/30/1985 | US4514118 Method for fabricating gears |
| 04/03/1985 | EP0136161A1 Disordered coating and method |
| 04/03/1985 | EP0088770A4 Improved rotary tool for straddle grinding. |
| 04/02/1985 | CA1184767A1 Rotary tool for straddle grinding |
| 03/05/1985 | US4502456 Apparatus for dressing grinding wheels |
| 02/20/1985 | EP0133320A2 Cutter head for a gear cutting machine |
| 01/30/1985 | EP0132350A1 A tool for cutting metal |
| 01/22/1985 | CA1181277A1 Method of and apparatus for designing the tooth bearing of gears having an arcuate cycloid shape |
| 08/14/1984 | US4465411 Gear shaping tool reconstruction |
| 08/07/1984 | US4464086 Hob with cutting plates |
| 05/24/1984 | WO1984001916A1 Improved cutter and method for gear manufacture |
| 05/23/1984 | EP0109034A1 Milling cutter |
| 01/24/1984 | US4426893 High production serrator |
| 01/18/1984 | EP0028602B1 Cutting tool |
| 12/13/1983 | CA1158471A1 Method and cutter head for fabricating gears with lengthwise crowned teeth, use of the method and gears produced according to the method |
| 12/07/1983 | EP0028651B1 Cutting tools having compound cutting faces |
| 11/23/1983 | EP0029032B1 Controllable tooling for gear cutting machine |
| 09/21/1983 | EP0088987A1 A sprocket cutter and method of assembling |
| 09/21/1983 | EP0088879A1 Method of shaping the bearing surface of cycloidally curved tooth gears, and end milling cutter for carrying out this method |
| 09/21/1983 | EP0088807A1 Gear making tool for milling gears and other workpieces |
| 09/21/1983 | EP0088770A1 Improved rotary tool for straddle grinding. |
| 08/10/1983 | EP0085176A1 Cutter-head for gear-cutting machine |
| 06/21/1983 | US4388781 Rotary tool for straddle grinding |
| 06/08/1983 | EP0080545A1 Composite shaving cutter |
| 06/08/1983 | EP0016142B1 Endless chain apparatus for forming gears |
| 04/19/1983 | US4380411 Shaving cutter |
| 04/05/1983 | US4378660 Method of and means for grinding pairs of gear wheels as spiral or curved toothed bevel gear wheels |
| 03/31/1983 | WO1983001024A1 Improved rotary tool for straddle grinding |
| 03/30/1983 | EP0075316A1 Coating composition and method |
| 03/01/1983 | CA1142006A1 Helical toothed broach |
| 01/26/1983 | EP0070489A1 Cemented carbide tipped hob, particularly peeling hob |
| 10/19/1982 | US4354328 Screw type hone assembly for the honing of gears |
| 09/21/1982 | US4350059 Method of producing shaving cutter |
| 07/20/1982 | CA1127897A1 Controllable tooling for gear cutting machine |
| 04/28/1982 | EP0050270A2 Hob with rotatable cutting plates |
| 03/30/1982 | US4322185 Staggered hob |
| 02/24/1982 | EP0046311A2 Method and cutter head for producing gear teeth with lengthwise ease-off |
| 02/16/1982 | CA1118237A1 Endless chain apparatus for forming gears |
| 01/27/1982 | EP0044522A1 Method of treating the end edges of gears |
| 01/26/1982 | CA1116910A1 Multiple-part hobbing cutter |
| 01/26/1982 | CA1116838A1 Cutting tools having compound cutting faces |
| 01/19/1982 | CA1116385A1 Cutting tool |
| 01/12/1982 | US4309926 Method and apparatus for preparation of spherical hob for generation of gear |
| 11/10/1981 | US4299062 Device for the production of gear wheels |
| 11/10/1981 | CA1112086A1 Burnishing rack |
| 10/27/1981 | EP0028651A4 Cutting tools having compound cutting faces. |
| 10/27/1981 | EP0028602A4 Cutting tool. |
| 10/21/1981 | EP0037909A2 Step-like sharpened helical gear-shaped cutter |
| 08/11/1981 | CA1106586A1 Inserted-blade cutter assembly |
| 07/28/1981 | US4280773 Shaving cutter and method of producing the same |
| 07/14/1981 | US4278370 Cutting tool |
| 06/23/1981 | US4274767 Helical toothed broach |
| 06/23/1981 | CA1103460A1 Method of and means for grinding pairs of gear wheels as spiral or curved toothed bevel gear wheels |
| 05/20/1981 | EP0028651A1 Cutting tools having compound cutting faces. |
| 05/20/1981 | EP0028602A1 Cutting tool. |
| 05/19/1981 | US4268194 Independent axial and radial adjustment for a gear cutter |
| 04/28/1981 | US4264248 Controllable tooling for gear cutting machine |
| 04/07/1981 | US4260299 Cutting tools having compound cutting faces |
| 02/10/1981 | CA1095252A1 Method and apparatus for the manufacture of gearwheels |
| 12/11/1980 | WO1980002669A1 Cutting tool |
| 12/11/1980 | WO1980002666A1 Cutting tools having compound cutting faces |
| 12/11/1980 | WO1980002661A1 Controllable tooling for gear cutting machine |
| 10/28/1980 | US4230428 Material saving cutter blade |
| 10/15/1980 | EP0017335A1 Burnishing rack |
| 08/19/1980 | US4218159 Multiple-part hobbing cutter |