| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
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| 11/25/2009 | CN201350529Y Small-sized gantry servomotor spindle tapping numerical control machine |
| 11/25/2009 | CN101585101A Electric threading apparatus in punching die |
| 11/18/2009 | CN100561023C Manufacturing technique for fitting of high-pressure valve |
| 11/17/2009 | CA2469583C Deformed reinforcing bar splice and method |
| 11/11/2009 | CN201342535Y Tap anti-twist device |
| 11/11/2009 | CN201342534Y Lateral tapping mechanism |
| 11/11/2009 | CN100558494C Worm and screw processing device |
| 11/04/2009 | EP2113329A1 Tap holder |
| 11/03/2009 | US7613541 Thread control method and system therefor |
| 11/03/2009 | US7611313 Method and assembly for rotating a cutting insert during a turning operation and inserts used therein |
| 10/28/2009 | CN101564772A Variable-frequency radial drilling machine |
| 10/27/2009 | CA2299238C Low-tolerance threaded fastener |
| 10/21/2009 | CN201329463Y Tapping clamp |
| 10/21/2009 | CN201329462Y Screw die rack for machining external screw thread |
| 10/21/2009 | CN201329461Y Die handle with ratchet wheel |
| 10/21/2009 | CN201329460Y Reaming and tapping tool with ratchet wheel |
| 10/14/2009 | CN201324895Y Centreless ball feed screw grinding machine |
| 10/14/2009 | CN101554705A Detecting device, detecting method and tapping system using same |
| 10/08/2009 | WO2009123034A1 Method of manufacturing screw joint product |
| 10/08/2009 | CA2718151A1 Method for producing threaded joint |
| 10/07/2009 | EP2106869A1 Collet chuck |
| 10/07/2009 | CN201320732Y Screwdriver specially used for woodworkers |
| 10/01/2009 | DE10325719C5 Bearbeitungseinheit Processing unit |
| 09/30/2009 | CN201316851Y Special-purpose fixture for numerical control lathe tap |
| 09/30/2009 | CN201316850Y 攻丝动力头 Tapping the power head |
| 09/30/2009 | CN201316849Y Lift angle adjusting device of highly-effectively novel cyclone milling head |
| 09/30/2009 | CN201316848Y Automatic tapping machine |
| 09/24/2009 | DE202009008049U1 Rohrschneidezentrierer für Rohre (3/8" & 1/2") Rohrschneidezentrierer for pipes (3/8 "& 1/2") |
| 09/23/2009 | CN101537518A Drive shaft screw thread on-vehicle restoration special tool |
| 09/23/2009 | CN100542726C Steep-pitch thread fabrication technique |
| 09/16/2009 | CN101534989A Orbital end mill |
| 09/09/2009 | CN101524776A Orthogonal turn-milling method for rotary part |
| 09/09/2009 | CN100537088C Device for machining pipe end |
| 09/02/2009 | CN201300266Y Handheld electric thread tapper |
| 08/26/2009 | CN201295800Y Gear-shift constant-torque tapping mechanism |
| 08/26/2009 | CN101513686A Five-axis multi-functional thread grinding machining center |
| 08/19/2009 | CN201291334Y External thread grinding clamp |
| 08/19/2009 | CN101508080A Planet mechanism for producing hole, screw thread and processing machine tool |
| 08/13/2009 | DE202006020656U1 Vorrichtung zum Einbringen einer Bohrung in ein Werkstück und Verwendung der Vorrichtung zur Erneuerung defekter Gewinde A device for introducing a bore into a workpiece and using the apparatus for renewal of defective threads |
| 08/12/2009 | CN201287228Y Front fork standpipe tapping machine |
| 08/12/2009 | CN101504025A Double-thread fastener and manufacturing method thereof, and its special tools |
| 08/12/2009 | CN101502898A Double-ended semiautomatic tapping machine of connecting piece |
| 08/06/2009 | DE102005019426B4 Werkzeug zur Erzeugung oder Nachbereitung eines Gewindes, insbesondere eines Innengewindes Tool for generating or follow a thread, in particular an internal thread |
| 08/05/2009 | CN201283510Y Tapping machine with laser positioning device |
| 08/05/2009 | CN201283458Y Tapping guider |
| 07/29/2009 | CN201279635Y Protecting device of tapping drill |
| 07/22/2009 | CN201275652Y Tapping drift holder with stable support |
| 07/15/2009 | EP2078576A1 Tap holder |
| 07/15/2009 | CN101480741A Self-tapping power head mechanism |
| 07/08/2009 | CN201267906Y Portable tapping machine |
| 07/08/2009 | CN101479070A Tap holder |
| 07/08/2009 | CN101479069A Tap holder |
| 07/02/2009 | US20090165611 Hobble turning method and perferred applications for said method |
| 07/01/2009 | CN201264132Y Helical burr guiding accurate semiautomatic tapping machine |
| 07/01/2009 | CN101468412A Grinding controller and control method thereof |
| 06/24/2009 | CN201261096Y Floating thread tapper |
| 06/24/2009 | CN201261095Y Processing device for bolt |
| 06/24/2009 | CN101462187A Screw rod threading device |
| 06/18/2009 | WO2009057962A3 Tapping shank and nut tapping apparatus which used this |
| 06/18/2009 | DE102007060554A1 Method for manufacturing external thread, involves placing processing workpiece and tool together in working position with rotation axis and screw thread forming area |
| 06/17/2009 | CN201257557Y Dual-speed self-tapping machine tool |
| 06/17/2009 | CN101456092A Tapping clamp |
| 06/17/2009 | CN101456091A Semi-automatic tapping machine |
| 06/11/2009 | US20090144970 Fabricating an array of mems parts on a substrate |
| 06/10/2009 | CN201253718Y Push-and-pull type clamping device |
| 06/10/2009 | CN101454104A Tube manufacturing history information management method and device, and manufacturing method using the management method |
| 06/10/2009 | CN100496837C Thread cutting control method and thread cutting controller |
| 06/04/2009 | DE10020111B4 Aufnahmeflansch für den Wirbelring eines Wirbelaggregats Flange for the vortex ring of a vertebral unit |
| 05/28/2009 | WO2009067441A1 Bone screw and method for manufacturing the same |
| 05/28/2009 | DE102007056897A1 Tap wrench for cutting internal thread, has two spirit levels provided parallel and perpendicular to holder of wrench, respectively, where levels are formed as glass or plastic tubes, which are not completely filled with water |
| 05/27/2009 | CN201244704Y Structure of tapping locating platform of tapping machine |
| 05/27/2009 | CN201244703Y Quick change extension rod of tap |
| 05/27/2009 | CN201244702Y Improved connection structure of tapping machine mandrel and screw tap |
| 05/27/2009 | CN201244689Y Chuck special for threading machine |
| 05/27/2009 | CN201244688Y Chuck special for threading machine |
| 05/20/2009 | CN201239834Y Multi-screw rod thread processor |
| 05/20/2009 | CN101433985A Method for grinding helical burr on soft rubber roller and processing device |
| 05/20/2009 | CN101433984A Centreless ball screw grinding machine and grinding technique thereof |
| 05/19/2009 | CA2636020C Hobble turning method and preferred application for said method |
| 05/13/2009 | CN201235468Y Machining apparatus for large-scale screw propeller hub hanging hole |
| 05/13/2009 | CN201235430Y Electronic torque safety overcurrent protection tap jacket |
| 05/13/2009 | CN201235429Y Quickly advancing and retreating tapping power head |
| 05/13/2009 | CN201235428Y Vertical quickly advancing and retreating tapping mechanism |
| 05/13/2009 | CN101428387A Helix bevel gear active tooth threading machining process |
| 05/07/2009 | WO2009057962A2 Tapping shank and nut tapping apparatus which used this |
| 05/07/2009 | US20090116914 Device for machining the end of a tubular member |
| 05/06/2009 | CN201231362Y Tapping collet with water sealing structure |
| 05/06/2009 | CN201231361Y Pulse impact internal-thread tapping device |
| 05/06/2009 | CN201231360Y Pulse impact internal-thread tapping device |
| 04/30/2009 | US20090110503 Cutting head of a reamer |
| 04/30/2009 | US20090110498 Arthroplasty systems and devices, and related methods |
| 04/29/2009 | CN201227755Y Tap detection apparatus and tapping machine provided with the same |
| 04/29/2009 | CN201227754Y Tap detection apparatus and tapping machine provided with the same |
| 04/29/2009 | CN201227706Y Improved construction of leading screw abrading machine |
| 04/29/2009 | CN201227705Y Linkage rod tap jacket |
| 04/29/2009 | CN201227704Y Improved tap spindle component connecting structure |
| 04/23/2009 | US20090104854 Method for Relief-Grinding the Cutting Teeth of Taps, Thread Formers, and Similar Tools, and Grinding Machine for Carrying Out Said Method |
| 04/22/2009 | CN201223978Y Threading apparatus |
| 04/22/2009 | CN201223977Y Heavy type tapper |
| 04/15/2009 | EP2047934A1 Tube manufacturing history information management method and device, and manufacturing method using the management method |