| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
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| 04/13/2011 | CN201792058U Kinematic synthesis device of multichannel servo radial feed numerical-control pipe threading machine |
| 04/13/2011 | CN201792057U Overload-protection wire twisting chuck |
| 04/13/2011 | CN201792056U Rotary tapping clamp |
| 04/13/2011 | CN201792055U Quick threading machine for full-automatic multi-station building connecting sleeve |
| 04/13/2011 | CN201792054U Universal foldable-arm-type hydraulic tapping machine |
| 04/13/2011 | CN201792053U Flexible shaft tapping machine |
| 04/13/2011 | CN201792052U Four-station round steel external thread threading machine |
| 04/13/2011 | CN201792051U Thread repair device for wall-through screw rod |
| 04/06/2011 | EP2306058A1 A lead-in type interference fit pipeline external thread |
| 04/06/2011 | CN201783714U Tapping clamp for special hole sites |
| 04/06/2011 | CN201783713U Semi-automatic tapping machine |
| 04/06/2011 | CN102000946A Nut manufacturing process |
| 04/06/2011 | CN102000891A Floating tapping clamp for automotive connecting rods |
| 04/06/2011 | CN102000890A Die with guide device |
| 04/06/2011 | CN102000889A Threading device and threading method for preventing screw taps from being broken |
| 03/30/2011 | CN201776536U Tapping clamp |
| 03/30/2011 | CN201776535U Hand-tapping verticality fixer |
| 03/30/2011 | CN201776534U Tap wrench |
| 03/30/2011 | CN201776533U Multi-cutter numerical-controlled pipe lathe |
| 03/30/2011 | CN201776532U Thread processing device for overweight or large-sized workpiece |
| 03/30/2011 | CN201776531U Special machine tool for screw threads of slender screw rod |
| 03/30/2011 | CN101992401A Protective device of tapping microswitch |
| 03/23/2011 | CN201768972U Clamping device for tapping square nuts |
| 03/23/2011 | CN201768971U Double-shaft tapping device |
| 03/17/2011 | WO2010120516A3 Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms |
| 03/16/2011 | CN201760677U Semi-automatic threading machine |
| 03/16/2011 | CN101454104B Tube manufacturing history information management method and device, and manufacturing method using the management method |
| 03/09/2011 | CN201755702U Automatic tapping machine |
| 03/09/2011 | CN101513686B Five-axis multi-functional thread grinding machining center |
| 03/03/2011 | WO2011025079A1 Tooth profile forming device and tooth profile forming method using the same |
| 03/02/2011 | CN201752801U Self-guiding hand use screw die rack |
| 03/02/2011 | CN201752800U Vibrating tapping machine capable of removing chips frequently |
| 02/23/2011 | CN101980835A Method of manufacturing screw joint product |
| 02/17/2011 | DE202010013053U1 Gewindeschneideisenhalter Tapping Stocks |
| 02/16/2011 | CN201744758U Air pressure type threading machine with automatic reversing |
| 02/16/2011 | CN201744756U Numerical control fancing head system for multi-cutter radial feed |
| 02/16/2011 | CN201744755U Collineation transmission system at distribution center of multiple paths of feeding transmission chains |
| 02/16/2011 | CN201744754U Vertical type servo stand |
| 02/16/2011 | CN201744753U Quick-replacement high-precision floating-centering locking mechanism |
| 02/16/2011 | CN201744752U Machine tool tapping spindle head |
| 02/16/2011 | CN201744751U Clamp for fixing measurement ring with internal threads |
| 02/16/2011 | CN201744750U Tapping machine |
| 02/16/2011 | CN201744749U Steerable tapping machine |
| 02/16/2011 | CN101664832B Gear shifting type constant torque tapping mechanism |
| 02/09/2011 | CN201736070U Turning thread positioning device |
| 02/09/2011 | CN201735914U Tapping fixture for drilling machine |
| 02/09/2011 | CN201735913U Threading fixture of gear cover plate of injection pump |
| 02/09/2011 | CN201735912U Tapping jig |
| 02/09/2011 | CN101966612A Multi-head fully-automatic feed tapping machine |
| 02/02/2011 | CN201728440U Fixture for machining bidirectional reciprocating screw |
| 02/02/2011 | CN201728439U Multi-specification screw tap and threading die all-in-one bracket |
| 02/02/2011 | CN201728438U Splined tapping machine |
| 02/02/2011 | CN101961803A Single-screw compressor screw, method for forming one long-straight bus 1 by star wheel meshed auxiliary gear side moulded line and tool |
| 01/27/2011 | DE102009027870A1 Method for machining e.g. drilling, workpiece fixed on rotary tool, involves pre-machining workpiece during clamping workpiece with tool, and final-machining workpiece, where machining processes are implemented in parallel or in succession |
| 01/26/2011 | CN201720718U Thread mounting fixture |
| 01/26/2011 | CN201720560U Screw cap material feeding tapping device |
| 01/26/2011 | CN201720559U Automatic tapping machine |
| 01/26/2011 | CN201720440U Light lathe |
| 01/26/2011 | CN101607326B Positioning device for processing gear shaft |
| 01/26/2011 | CN101277777B Process and device for producing threads, especially for boring rods or the like |
| 01/19/2011 | CN201711620U Whipping preventing device used for processing steel pipe threads |
| 01/19/2011 | CN201711619U Threading tool for internal maintenance of equipment |
| 01/19/2011 | CN201711618U Thread tapping machine used for air gun |
| 01/19/2011 | CN201711557U Inner support device for petroleum casing pipe |
| 01/12/2011 | CN201702479U Continuous tapping device |
| 01/12/2011 | CN201702478U Kinematics synthesis device of single-way servo radial feed NC pipe threading machine |
| 01/12/2011 | CN201702477U External screw thread processing clamp |
| 01/12/2011 | CN201702476U Automatic screw tap oiling device of tapping machine |
| 01/12/2011 | CN201702475U Automatic two-headed steel tube threading machine |
| 01/12/2011 | CN201702474U Electric tube-cutting wire-sleeving machine |
| 01/12/2011 | CN201702473U Automatic tapping device |
| 01/12/2011 | CN201702472U Pneumatic suspension tapping machine |
| 01/05/2011 | CN201693261U Radial drive system for numerically controlled pipe threading lathe |
| 01/05/2011 | CN201693260U Automatic tool setting device of numerical control external thread grinding machine |
| 01/05/2011 | CN201693259U Numerical control pipe lathe |
| 01/05/2011 | CN201693258U Multi-position tapping device |
| 01/05/2011 | CN101934404A Locating circular die wrench |
| 01/05/2011 | CN101633064B High-low frequency compound torsional vibration tapping device |
| 01/05/2011 | CN101508080B Planet mechanism for producing hole, screw thread and processing machine tool |
| 01/05/2011 | CN101433984B Centreless ball screw grinding machine and grinding technique thereof |
| 12/30/2010 | US20100329803 Self-aligning thread tap and method of utilizing the same to tap existing bore holes |
| 12/29/2010 | CN201685162U Polishing machine |
| 12/29/2010 | CN201685116U Turnover fixture for drilling and tapping on reducer housing |
| 12/29/2010 | CN201684994U Tap quick-change structure of internal thread tapping device |
| 12/29/2010 | CN101479070B Tap holder |
| 12/22/2010 | CN201677099U Die and die box |
| 12/22/2010 | CN201677098U Tapping chuck |
| 12/22/2010 | CN201677097U Internal convex buckle threading die box assembly |
| 12/22/2010 | CN201677096U In-die punching tapping machine |
| 12/22/2010 | CN201677055U Assembled six-axis drilling machine |
| 12/22/2010 | CN101920363A Small-hole-distance multi-hole tapping device |
| 12/16/2010 | DE102009025040A1 Tool holder i.e. screwing chuck, for use in drilling device, has displacement measuring device arranged at holder such that displacement, distance and amendment between two measuring points at regions are measured or determined |
| 12/15/2010 | EP2260978A1 Method of manufacturing screw joint product |
| 12/15/2010 | CN101913001A Hand tapping fixed plumb |
| 12/09/2010 | WO2010049831A3 Screw tap and tool holder |
| 12/08/2010 | CN201664796U Tapping machine tool |
| 12/08/2010 | CN101909799A Bone screw and method for manufacturing the same |
| 12/01/2010 | CN201659340U Electric hydraulic tapping machine |
| 12/01/2010 | CN101898266A Improvement on connecting structure of quick detaching core shaft and tapping head |
| 12/01/2010 | CN101898265A Method for processing and measuring pitch diameter changing thread |