Patents
Patents for B23F 21 - Tools specially adapted for use in machines for manufacturing gear teeth (1,733)
03/2004
03/04/2004US20040043716 Metal-bonded grinding tool
03/03/2004EP1393860A1 Metal-bonded grinding tool
02/2004
02/05/2004DE10112165B4 Stabmesserkopf zum Verzahnen Bar cutter head for cutting teeth
01/2004
01/15/2004WO2003089174A3 Gear tooth profile
01/15/2004DE10229487A1 Verfahren zum Schaben von Zahnrädern und Vorrichtung zur Durchführung des Verfahrens A method of scraping of gears and apparatus for carrying out the method
01/15/2004DE10135282B4 Wälzfräser Hobs
01/08/2004WO2004002666A1 Method for the shaving of gearwheels and device for carrying out said method
12/2003
12/10/2003CN2590710Y Teeth slotting tool for cutting straight teeth conjugate internal gear teeth
12/09/2003US6659852 Sanding block
12/03/2003CN2589136Y Disc milling cutter having shiftable circular blade for bolt processing
11/2003
11/27/2003US20030220062 Honing wheel having internal gearing
11/05/2003CN1126626C Method for producing cutting blade
10/2003
10/30/2003WO2003089203A1 Gear hobbing cutter system
10/30/2003WO2003089174A2 Gear tooth profile
10/30/2003CA2708363A1 Gear hobbing cutter system
10/28/2003US6637088 Calibrating tool for manufacturing parts with an outer profile
10/23/2003US20030198526 Gear tooth profile
10/23/2003US20030198524 Gear hobbing cutter system
10/21/2003US6634835 Cutter blade with integral coolant passages
10/15/2003CN1124188C Cutting edge rounding method and apparatus
10/14/2003US6632052 Bevel gear manufacturing method
10/14/2003US6632050 Face hobbing cutter
10/08/2003EP1350587A1 Bar blade having variably rounded cutting edges, use and method of machining
10/08/2003CN1123418C Cutting tool for producing toothed articles
08/2003
08/26/2003US6609858 Gear hobbing cutter system
08/21/2003US20030157868 Honing tool
07/2003
07/31/2003US20030143932 Gear-shaping grindstone and method of fabricating the same
07/15/2003US6591715 End mill type gear cutters for spindle driven machines
07/01/2003US6585457 Abrasive generation of non-metallic gear
06/2003
06/18/2003EP1319458A1 Method of manufacturing an internally toothed honing tool
06/11/2003EP1317982A1 Internal broaching tool
06/11/2003EP0758567B1 Method for working members divided into two each having rack teeth
06/05/2003US20030103817 Internal broach
05/2003
05/21/2003EP1311370A1 Honing tool
05/14/2003EP0912285B1 Cutting tool for toothed articles
05/13/2003US6562089 Thermosetting synthetic resin used as a bonding agent
04/2003
04/03/2003WO2003026818A1 Apparatus and method for forming powder metal gears
04/03/2003CA2461119A1 Apparatus and method for forming powder metal gears
04/01/2003US6540446 Cylindrical cutting blade and cutter head assembly which carries the cutting blade
03/2003
03/25/2003US6536999 Gear cutter blade
03/20/2003WO2003022536A1 Face hobbing cutter
03/13/2003US20030049084 Gear cutter blade
03/12/2003CN1102877C Cutting tool for toothed articles
03/06/2003US20030044246 Face hobbing cutter
03/04/2003US6527484 Helical tooth broach
02/2003
02/18/2003US6520842 Method of forming tooth grooves
02/11/2003US6517772 Cutting and densifying of the gear teeth
01/2003
01/29/2003EP1279455A1 Hob Cutter
01/23/2003US20030017013 Hobbing cutter
01/22/2003EP1276581A2 Cutting profile tool for the production of spiral and hypoid bevel gears
01/02/2003US20030002928 Hobbing cutter
01/02/2003EP1270121A2 Plain cutter
01/01/2003CN1097498C Round bar blade and cutter head provided especially for the same
12/2002
12/25/2002CN1096909C Front-loading rotary ring cutter
12/19/2002US20020192044 Bevel gear manufacturing method
12/19/2002US20020189064 Calibrating tool for manufacturing parts with an outer profile
12/05/2002US20020182998 Profile tool
10/2002
10/02/2002DE10112729A1 Werkzeughalter für ringförmige Stabmesserköpfe und Stabmesserkopf Tool holders for circular bar cutter heads and bar cutter head
10/02/2002DE10112165A1 Stabmesserkopf zum Verzahnen von Spiralkegelrädern Bar cutter head for gear cutting of spiral bevel gears
09/2002
09/18/2002EP1240967A2 Toolholder for circular spiral bevel gear cutting tool and the cutting tool
09/18/2002EP1240966A2 Spiral bevel gear cutter
08/2002
08/28/2002EP1233840A1 Method for grinding straight toothed conical gear wheels
08/13/2002US6430791 Device for manufacturing parts with an outer profile
07/2002
07/09/2002US6416262 Gear shaping method and device and spiral bevel gear cutter
07/04/2002US20020083796 End mill type gear cutters for spindle driven machines
07/03/2002EP1219372A1 Abrasive generation of non-metallic gear
07/03/2002EP0956182B1 Honing tool for machining workpieces by cutting
06/2002
06/27/2002US20020081162 Abrasive generation of non-metallic gear
06/11/2002US6402607 Fine-machining tool for machining gear workpieces
06/04/2002US6398467 One piece cutter body
05/2002
05/29/2002EP0750538B1 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith
05/15/2002CN1349443A Cutting tool used for producing face hobbing gears
05/02/2002US20020052116 Free Floating double side polishing of substrates
04/2002
04/30/2002US6379217 Process and device for dressing a grinding worm and for grinding pre-cut toothed workpiece
04/24/2002EP0998372B1 Cutting edge rounding method and apparatus
04/18/2002WO2002030605A1 Helical broach
04/17/2002EP0799106B1 Front-loading rotary ring cutter
04/03/2002CN1082158C Gear-rack with only rolling contact and its cutting tool
03/2002
03/27/2002CN2483134Y Synchronism apparatus teeth case inverted cone teeth swelling and extruding cutter
03/21/2002US20020034926 Method of forming tooth grooves
03/13/2002CN1080614C Precision broaching method and cutter for spiral cylindrical gear
03/06/2002EP1184122A1 Method of forming tooth grooves
02/2002
02/28/2002WO2002016082A1 Honing tool
02/27/2002EP1182009A1 Honing tool
02/07/2002US20020015622 Helical tooth broach
02/06/2002EP1177062A2 Method for producing a cutting tool for face hobbing gears
12/2001
12/12/2001EP1097018B1 Method and device for creating undercuts on tooth flanks of internally or externally geared gear blanks
12/06/2001DE10027528A1 Innen-Räumwerkzeug An internal broach
12/05/2001EP1160040A1 Internal broaching tool
11/2001
11/28/2001EP0973626B1 Device for manufacturing parts with an outer profile
11/07/2001CN1074341C Threaded grinding wheel, method of dressing and grinding workpiece therewith
11/06/2001US6311590 Cutting tool for producing gears by face hobbing
11/01/2001WO2001041960A3 Cutting profile tool for the production of spiral and hypoid bevel gears
10/2001
10/18/2001DE10017330A1 Milling tool has at least one group of main cutters where the cutting profiles form parts of the total cutting profile to give improved cutting forces at the workpiece
10/11/2001US20010028831 Cylindrical cutting blade and cutter head assembly which carries the cutting blade
10/10/2001EP1030757B1 Composite honing ring
09/2001
09/27/2001WO2001070457A1 Grind polish cluster and double side polishing of substrates
09/12/2001CN2447097Y Tangential-feed high-precision worm hob
08/2001
08/30/2001DE10104410A1 Schleifschnecke zum Wälzschleifen von Zahnrädern Grinding wheel for generating grinding of gears
08/14/2001US6273801 Composite honing ring
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