| Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733) |
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| 08/12/2009 | EP2086721A2 Method and apparatus for finishing the surface of rubber covered rollers |
| 08/12/2009 | CN100525978C Saw blade with shaped gullets and producing method thereof |
| 08/12/2009 | CN100525975C Method and machine for grinding tooth side of rotary gear |
| 08/11/2009 | US7572174 Abrasive grain and grindstone |
| 08/05/2009 | CN100522487C Porous abrasive tool and method for making the same |
| 08/05/2009 | CN100522438C Method for shaping gear shaver |
| 07/29/2009 | EP1552191B1 Herringbone gear teeth and method for manufacturing same |
| 07/29/2009 | CN201279634Y Finger-type milling tool special for machininging spherical gear |
| 07/22/2009 | CN201275651Y Multiple spline gear rolling knife |
| 07/08/2009 | CN201267905Y Planar secondary enveloping ring surface worm gear hob |
| 07/07/2009 | US7556558 Shape controlled abrasive article and method |
| 07/01/2009 | CN100506453C Ellipsoidal ring gear hob |
| 06/25/2009 | WO2009078193A1 Barrel worm-shaped tool |
| 06/24/2009 | EP2072163A2 A milling cutter tool for chip removing machining, as well as a cutting body therefor |
| 06/24/2009 | EP2072162A2 A milling cutter tool for chip removing machining, as well as a cutting body and a basic body therefor |
| 06/24/2009 | CN201261094Y Hob cutter for machining gear |
| 06/24/2009 | CN100503112C Method for removing burrs, bevel gear cutting machine used therefor |
| 06/17/2009 | CN201257555Y Arc tooth and tapered tooth wheel milling cutter |
| 06/11/2009 | WO2009015643A3 Tooth flank polishing tool, and use thereof |
| 06/10/2009 | CN201253717Y Finger type gear-milling cutter |
| 06/04/2009 | DE102004057596B4 Profilierzahnrad und Verfahren zum Profilieren einer Schleifschnecke Profiling gear and methods for profiling a grinding worm |
| 06/03/2009 | CN201249305Y Roller cutter for processing spindle of cotton picker |
| 06/03/2009 | CN100493849C Grinding wheel containing hollow particles along with abrasive grains, and method for manufacturing same |
| 05/27/2009 | CN101439461A Technique for producing and processing chamfering tool for cylindrical gear double-side tooth profile |
| 05/20/2009 | CN101437653A Knife sharpeners with improved knife guides |
| 05/20/2009 | CN100488687C High-modulus gear-profile generating processing method |
| 05/06/2009 | CN201231358Y Gear ultra-high profile gear-tooth processing cutter |
| 04/23/2009 | US20090100970 Adapted back plate apparatus and method for improved die-cutting |
| 04/21/2009 | US7520698 Cutting tool for gears and other toothed articles |
| 04/16/2009 | DE102007049057A1 Cutter head for toothing component i.e. bend-interlocked bevel gear, has cutter carrier comprising circular blade, which is designed as one-piece with carrier, where blade projects in axial direction of side of carrier |
| 04/15/2009 | CN101406974A Device for processing spherical gear |
| 04/08/2009 | CN201217111Y Hard-alloy scraping hob cutter |
| 04/08/2009 | CN201217110Y Hard-alloy pinion shaped cutter |
| 04/02/2009 | US20090088057 Sharpening system having multiple abrasive components |
| 04/02/2009 | US20090088055 Polishing wheel |
| 03/26/2009 | DE102008047230A1 Circular tool dressing method for e.g. fine machining gear of gear wheel, involves rotatingly driving dressing wheel and tool, where breadth of gear of wheel is smaller than tool's breadth so that wheel is moved around length in z-direction |
| 03/25/2009 | CN101391324A Spherical involute spiral Archimedes spiral bevel gear cutting method and machine tool |
| 03/25/2009 | CN101391322A Spherical involute spiral bevel gear cutting method and machine tool |
| 03/19/2009 | DE102007043404A1 Circular tool dressing method for e.g. fine machining gear of gear wheel, involves rotatingly driving dressing wheel and tool, where breadth of gear of wheel is smaller than tool's breadth so that wheel is moved around length in z-direction |
| 03/18/2009 | EP2036675A2 Dressing gear and dressing tool for dressing of a toothed tool which is used for finish machining of workpieces, in particular gears |
| 03/18/2009 | CN201208670Y Micro-segment gear cutter hob |
| 03/11/2009 | EP1732727B1 Method for cutting worm and worm gear in a worm and gear reduction unit with circulation of bearing balls and related cutting tools |
| 03/11/2009 | CN201205626Y Trisection double-large diameter increasing tooth thickness involute composite broach |
| 03/11/2009 | CN201205625Y Indexable helical teeth annular gear disk milling cutter |
| 03/11/2009 | CN100467180C Vitrified superabrasive tool and method of manufacture |
| 03/05/2009 | WO2009028288A1 Cemented carbide material and tool |
| 03/05/2009 | US20090061736 Superfinishing Stone and Superfinishing Process Using the Same |
| 03/05/2009 | US20090060671 Method for soft machining of bevel gears |
| 03/05/2009 | DE10330474B4 Vorrichtung zur Herstellung eines Zahnrads aus einem Zahnradrohling An apparatus for producing a gear from a gear blank |
| 02/26/2009 | DE102007040894A1 Werkzeug und Verfahren zum diskontinuierlichen Profilschleifen Tools and methods for discontinuous profile grinding |
| 02/25/2009 | EP2027960A2 Tool and method for discontinuous profile grinding of externally or internally toothed spur gears |
| 02/25/2009 | CN201198056Y Angle gear replaceable arc gear milling cutter |
| 02/25/2009 | CN101374622A Universal machine and method for soft processing bevel wheel |
| 02/25/2009 | CN101372056A Knife tool and method for discontinuous profile grinding of gear |
| 02/24/2009 | CA2569965C Gear grinding machine, method for dressing threaded grinding wheel and method for grinding work |
| 02/19/2009 | WO2009022557A1 Surface-coated cutting tool |
| 02/19/2009 | DE102007038935A1 Rod blade head for use in machine tool i.e. five-axis computer numerical controlled machine, has clamping plates arranged in recesses at circumference of blade carrier and pressed against shanks of bar blades by clamping screws |
| 02/18/2009 | EP2024123A2 Method of maintaining a constant grinding process |
| 02/12/2009 | DE19905136B4 Verfahren zum Abrichten einer Schleifschnecke und zum Schleifen vorverzahnter Werkstücke A method of dressing a grinding worm and grinding precut pieces |
| 02/11/2009 | CN101362228A Enveloping worm high-speed machining method |
| 02/05/2009 | DE102007036000A1 Zahnflankenpolierwerkzeug und dessen Verwendung Tooth flank polishing tool and its use |
| 02/04/2009 | CN201189579Y Cutter for processing gear ring |
| 01/21/2009 | CN201183147Y Face tooth combined broach |
| 01/21/2009 | CN201183146Y Welding type carbide hob apparatus |
| 01/14/2009 | CN201179576Y Straight-tooth conjugation internal gear gearshaper cutter |
| 01/14/2009 | CN101342619A Accurate hob cutter with inserted tooth |
| 12/31/2008 | CN201172134Y Round-head grinding hob and round-head grinding self-chamfering hob |
| 12/31/2008 | CN101336147A Electroplated abrasive tools, methods, and molds |
| 12/24/2008 | CN101330999A Gear milling tool with replaceable cutting inserts |
| 12/18/2008 | US20080311826 Griding and/or Polishing Tool, and Use and Manufacturing Thereof |
| 12/11/2008 | US20080305730 Grinding Tool for Natural Stone Floors, Artificial Stone Floors and Industrial Soils |
| 12/09/2008 | US7462096 Surface-treatment wheel |
| 11/27/2008 | US20080292420 Diagonal generating method to generate tooth flanks with specified twist at specified flank line crowning |
| 11/26/2008 | CN201154406Y Composite hobbing cutter for processing chain wheel of motorcycle |
| 11/26/2008 | CN101310906A Diagonal generating method to generate tooth flanks with specified twist at specified flank line crowning |
| 11/26/2008 | CN101310905A Super-modulus finger-like gear cutters |
| 11/20/2008 | WO2008140723A1 Tool for improved chip flow |
| 11/20/2008 | US20080287049 Cutting Disc |
| 11/11/2008 | US7449253 High wear resistant hard film |
| 11/06/2008 | WO2008051779A3 Method and apparatus for finishing the surface of rubber covered rollers |
| 11/06/2008 | US20080273935 Method for Cutting Worm and Worm Wheel in a Worm-Gear Reduction Unit with Circulation of Bearing Balls, and Related Cutting Tools |
| 10/30/2008 | WO2007101008A3 Knife sharpeners with improved knife guides |
| 10/29/2008 | EP1984140A2 Gear milling tool with replaceable cutting inserts |
| 10/08/2008 | CN100423876C Method, bar blade, and use thereof for milling spiral bevel gears and hypoid gears |
| 10/08/2008 | CN100423875C Gear section cutter |
| 10/07/2008 | US7431544 Deburring blade, device for mounting of deburring blades and bevel gear cutting machine for chamfering and/or deburring a bevel gear |
| 10/02/2008 | DE102007015357A1 Toothing device for fabricating inner or outer toothed gear wheels, where revs of tool spindle matches a multiple of the workpiece spindle |
| 09/24/2008 | CN201120504Y Milling tool special for bearing segregator process |
| 09/24/2008 | CN101269425A Round-head gear hob and self-chamfering hob of round-head gear |
| 09/17/2008 | CN201115887Y Tooth form combined broach clamping device |
| 09/10/2008 | CN101259546A Micro line segment gear cutter hob |
| 08/28/2008 | WO2008102663A1 Surface film member, process for rpoducing the surface covering member, cutting tool, and machine tool |
| 08/27/2008 | CN101249576A Knife tool for processing gear ring |
| 08/13/2008 | CN201098765Y Gear worm wheel hobbing capable of changing blade |
| 07/31/2008 | US20080182487 Cooling disc, grinding system and grinding tool |
| 07/24/2008 | US20080176498 Grinding tools and apparatus for securing grinding tools to grinding machines |
| 07/10/2008 | US20080163432 Angler's utility tool |
| 07/09/2008 | CN101218059A Blade head |
| 07/09/2008 | CN101214564A Method for processing nonholomic circumference gear and clamp and pinion shaped cutter |
| 07/03/2008 | DE102004020364B4 Werkzeug für die Schleifbearbeitung Tool for grinding |