| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 02/27/2013 | EP2560781A2 Cutting machine for gears, splines & other shapes |
| 02/27/2013 | CN202752702U Hobbing cutter cutting equipment for manufacturing toothed wheel disk |
| 02/27/2013 | CN101678489B Tool for improved chip flow |
| 02/26/2013 | US8382560 Barrel worm-shaped tool |
| 02/14/2013 | DE10149712B4 Schleifscheibe Grinding wheel |
| 02/13/2013 | CN102933341A Cutting machine for gears, splines, & other shapes |
| 02/13/2013 | CN102922052A AlTiN-AlCrN super hard nano multilayer composite coating hob and preparation method thereof |
| 02/07/2013 | WO2013018724A1 Cutting insert and rotating cutting tool |
| 02/05/2013 | US8366521 Diamond tool fabricated by combining mesh net with synthetic resin material |
| 01/30/2013 | CN202701521U Full tooth profile chamfering tool |
| 01/30/2013 | CN102905849A Abrasive wheels and methods for making and using same |
| 01/23/2013 | CN202684235U Numerical-control gulleting machine tool rest mechanism of large-sized cylindrical gear |
| 01/23/2013 | CN202684227U Tooth-milling blade for forming tooth type of rotary bearing gear |
| 01/23/2013 | CN102886572A Cutting insert, in particular for for tooth cutters |
| 01/23/2013 | CN101513684B Method for operating a dovetail grinding machine |
| 01/17/2013 | WO2013008485A1 Screw-shaped grindstone for grinding gears and method for grinding gears |
| 01/17/2013 | WO2013008484A1 Method for manufacturing screw-shaped tool |
| 01/16/2013 | CN202667825U Pull cutter |
| 01/16/2013 | CN202667824U Special zero degree front angle milling cutter blade for worm milling cutter |
| 01/16/2013 | CN202667822U Automatic sawtooth machine |
| 01/16/2013 | CN102029444B Gear grinding tool and method of using gear grinding tool |
| 01/09/2013 | CN202655737U Tool for machining inner gear |
| 01/02/2013 | CN202639548U High-power density heavy-load vehicle pump gear machining hobbing cutter |
| 01/02/2013 | CN202639547U Double-contact hobbing cutter |
| 01/02/2013 | CN202639546U Asymmetrical gear hob for processing intersecting axes variable thickness gear |
| 01/02/2013 | CN101437653B Knife sharpeners with improved knife guides |
| 12/26/2012 | EP2537617A1 Segment for a milling tool and milling tool |
| 12/26/2012 | CN102837078A Milling tool as well as segment therefor |
| 12/20/2012 | US20120321397 Milling Tool as well as Segment Therefor |
| 12/19/2012 | EP2535134A1 Method for pre-toothing multiple different bevelled wheels and use of a corresponding machining tool |
| 12/12/2012 | CN202591753U Hard cutter for hard tooth surface of Klingelnberg gear |
| 12/12/2012 | CN102814555A Chamfer angle machining device of starting gear and machining method of starting gear |
| 12/06/2012 | US20120309271 Method for Dressing a Tool |
| 11/29/2012 | WO2012159942A1 Method for hob peeling external teeth and device having a corresponding hob peeling tool |
| 11/29/2012 | US20120301233 Side-milling cutter, in particular for machining toothing systems |
| 11/28/2012 | EP2527072A1 Method for hob peeling external gears and device with hop peeling tool |
| 11/28/2012 | CN102794511A Combined slotting cutter |
| 11/27/2012 | US8317433 Universally usable bar cutter head and use thereof |
| 11/22/2012 | DE102011050524A1 Device for deburring tooth portion of workpiece e.g. gear wheel, has force application unit to apply force independently on deburring tools such that tooth flanks of workpiece tooth portion are processed |
| 11/22/2012 | DE102011050451A1 Bar blade head has connection region that is provided in lower position in relation to level of front end of outer edge of cutting head main portion to couple main portion to adapter |
| 11/15/2012 | WO2012152660A1 Method for hob peeling and corresponding device having a hob peeling tool |
| 11/14/2012 | CN202527801U Roughing milling cutter of spiral bevel gear |
| 11/14/2012 | CN101678467B Surface-coated cutting tool |
| 11/14/2012 | CN101310905B Usage method of super-modulus finger-like gear cutters |
| 11/13/2012 | US8308399 Cutting insert and indexable tooth cutting tool using the same |
| 11/07/2012 | EP2520391A1 Method for hob peeling and corresponding device with hob peeling tool |
| 11/07/2012 | CN202517145U Bimetal arc tooth bevel gear milling cutter |
| 11/07/2012 | CN202517144U Large-module finger cutter for surfacing high-speed steel |
| 11/06/2012 | CA2683100C Vitrified superabrasive tool and method of manufacture |
| 10/31/2012 | CN202506910U Novel combination type gear rolling plate |
| 10/31/2012 | CN102756182A Chamfering blade with staggered teeth |
| 10/31/2012 | CN102756181A Combined chamfering blade with blade pieces |
| 10/24/2012 | EP2514546A1 Gear cutting machine, end mill and profile trimming method |
| 10/24/2012 | CN202498270U Numerical control cone gear high speed milling machine |
| 10/24/2012 | CN102753295A Side-milling cutter, in particular for machining toothing systems |
| 10/24/2012 | CN102744469A Hob design method |
| 10/24/2012 | CN102744468A Gear cutting machine, end mill and form milling method |
| 10/24/2012 | CN102744467A Coaxial master-slave series chamfer cutter |
| 10/24/2012 | CN102744466A Large cylindrical gear numerical control gulleting machine |
| 10/17/2012 | CN202490983U Grinding hob for asymmetric tooth profile involute gear |
| 10/17/2012 | CN202490982U Special-purpose cutter for processing spiral bevel gear |
| 10/17/2012 | CN102728903A Milling tool, and milling insert kit |
| 10/17/2012 | CN102728902A Large-modulus carbide tipped hob |
| 10/11/2012 | US20120257935 Milling tool, and milling insert kit |
| 10/10/2012 | EP2508288A2 Milling tool, and milling insert kit |
| 10/10/2012 | CN202479624U Small-starting-circle rectangular spline forming hobbing cutter |
| 10/10/2012 | CN202479623U Bowl-shaped pinion type cutter |
| 10/10/2012 | CN202479622U Disk-shaped slotting cutter |
| 10/10/2012 | CN202479621U Gear cutting tool |
| 10/03/2012 | CN202461706U Cutter for machining gear ring |
| 10/03/2012 | CN102699450A Gear shaving and modifying based engagement-angle calculating method |
| 10/03/2012 | CN102699449A Design method of hobbing cutter with special circular tooth shape |
| 09/26/2012 | CN202447763U Hob with detachable cutter teeth |
| 09/26/2012 | CN102689056A Formed milling cutter for chain wheels |
| 09/26/2012 | CN102689054A Processing method of tooth thickness-variable gear with intersecting axles and hob of tooth thickness-variable gear |
| 09/26/2012 | CN102264499B Insert for cutting and interchangeable knife edge-type gear cutting tool using same |
| 09/19/2012 | CN202438750U Large-modulus hard alloy hob with inserted blades |
| 09/19/2012 | CN102672284A Double contact gear hobbing cutter |
| 09/19/2012 | CN102672283A Offset worm and wormwheel transmission designing and manufacturing method |
| 09/18/2012 | US8267624 Full point width cutting blades |
| 09/11/2012 | CA2695029C Tooth flank polishing tool |
| 09/06/2012 | US20120225614 Gear grinding machine |
| 09/05/2012 | CN202411572U Small-modulus diamond worm rod rolling wheel |
| 08/29/2012 | CN202398902U Novel rack plate |
| 08/22/2012 | CN102648068A Method for generating bevel gears with hypocycloid toothing in a continuous moulding process using corresponding tools |
| 08/22/2012 | CN102179570B Method for processing cycloid-involute spiral bevel gears and solid cutter |
| 08/22/2012 | CN102091830B Gradually-cutting type broach |
| 08/16/2012 | US20120207555 Cutting Insert for a Milling Tool |
| 08/16/2012 | US20120207553 Milling Tool for Gear Milling |
| 08/15/2012 | EP2487001A2 Cutting insert for a milling tool |
| 08/15/2012 | EP2487000A2 Milling tool for gear milling |
| 08/15/2012 | CN202377620U Composite pinion cutter combined with shaving cutter |
| 08/15/2012 | CN202377619U Grinding allowance hob for small module gears |
| 08/15/2012 | CN102632303A Milling tool for gear milling |
| 08/15/2012 | CN102632302A Cutting insert for a milling tool |
| 08/08/2012 | CN102626808A Method for processing large-module and large-diameter gear ring on horizontal boring machine |
| 08/08/2012 | CN102049572B Design method for hob of cylindrical gear |
| 08/01/2012 | CN202356743U Fabricated worm milling cutter |
| 07/25/2012 | CN202344058U Radial gear shaving cutter with small modulus |
| 07/25/2012 | CN202344057U Push-type broach device for repairing spline in component of vehicle synchronizer |