| Patents for B23G 9 - Working screws, bolt heads or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw thread (428) |
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| 11/30/2011 | CN202052999U 可调支撑的螺纹毛刺清理机 Adjustable support thread deburring machine |
| 11/30/2011 | CN202052998U 有毛刺清理板牙的毛刺清理机 There deburring die of deburring machine |
| 11/30/2011 | CN202052997U 螺纹毛刺清理机 Thread deburring machine |
| 11/30/2011 | CN202052996U 高强度螺栓头下圆角滚压力的精确控制装置 Under the pressure of high strength bolts head fillet roll precise control device |
| 11/10/2011 | CA2738182A1 Thread-tapping concrete screw |
| 09/22/2011 | US20110229285 Fastening device |
| 09/07/2011 | CN201960230U 螺杆成型加工机 Screw Forming Machine |
| 08/17/2011 | CN201931175U 铣槽机 Milling machine |
| 08/17/2011 | CN201931174U 螺栓导向定位装置 Bolt-oriented positioning device |
| 08/03/2011 | CN201913338U 便携式校螺纹机 Portable school screw machine |
| 07/21/2011 | US20110176889 Concrete and masonry screw anchor |
| 07/06/2011 | CN101428362B Drive head apparatus of opening and closing mould cold header |
| 06/29/2011 | CN201881018U Counter-striking device of screw heading machine |
| 06/15/2011 | CN102091836A Precise control device for rolling force of lower fillet of high-strength bolt head |
| 06/15/2011 | CN102091835A Screw head machining device |
| 06/08/2011 | CN201856013U Screw bearing structure of screw straight slot slotting device |
| 05/25/2011 | CN201841327U Bolt head extrusion processing device |
| 05/18/2011 | CN102059414A Screw slot milling machine |
| 05/18/2011 | CN102059413A Manual bolt processing device |
| 05/11/2011 | CN201824033U Stud groove milling device |
| 05/11/2011 | CN102049576A Slot milling machine |
| 05/11/2011 | CN101559504B One-time two-screw heading machine with stripping device |
| 04/13/2011 | CN201792062U Screw tooth resetting device |
| 04/13/2011 | CN102009234A Thread repair device for wall-threading screw |
| 04/06/2011 | CN201787018U Ball nut with deep groove track and manufacturing method thereof |
| 03/02/2011 | CN201752802U Thread reaming tool for dirt cleaning after zinc alloy galvanization |
| 02/24/2011 | US20110044785 Method for manufacturing screw with helical chip discharge channel and product thereof |
| 02/16/2011 | CN101972873A Screw machining device |
| 02/15/2011 | US7887424 Tool for repairing damaged screw threads |
| 01/26/2011 | CN201720563U Internal screw thread repair device of high-pressure glass steel pipe |
| 01/19/2011 | CN201711626U Striking gear of heading machine |
| 12/01/2010 | CN201659341U Screw heading machine ejection transmission device |
| 12/01/2010 | CN201659334U Deburring device |
| 11/24/2010 | CN101890574A Technology for eliminating defects in connecting thread of petroleum drilling tool |
| 10/20/2010 | CN201609734U 螺丝的端部冲头 End screw punch |
| 10/06/2010 | CN201596824U 一种辊式滚压器 A roller rolling device |
| 08/18/2010 | CN201552350U Tuning screw polishing auxiliary plate structure for module duplexer |
| 08/12/2010 | US20100202838 Rock bolt |
| 07/07/2010 | CN201519815U Head and tail defects eliminating device for threaded fasteners |
| 06/17/2010 | CA2688781A1 Method for manufacturing a thread-forming screw |
| 06/16/2010 | CN201505695U Die device of screw heading machine |
| 06/16/2010 | CN101743075A Manufacturing method for assembling nut |
| 06/16/2010 | CN101733489A Screw tail milling machine |
| 06/02/2010 | CN201493574U Metal wire brush for removing burrs by threaded polishing |
| 05/26/2010 | CN201483103U Worm thread chamfering device |
| 04/28/2010 | CN201442136U Simple and easy squeezing device for increasing glossiness of screwing |
| 04/14/2010 | EP2174544A1 Method for attaching studs to horseshoes and tool-set for attaching them |
| 03/03/2010 | CN100592953C Tool for repairing damaged screw threads |
| 02/25/2010 | US20100048309 Method and device for manufacturing fastenings or fasteners with radial outer contours, especially screws or threaded bolts |
| 02/10/2010 | CN201399631Y Universal adjustable thread polishing rack |
| 02/10/2010 | CN201399630Y Multifunctional polisher |
| 01/20/2010 | CN100581699C Screw heading machine for two-screw at same time |
| 12/30/2009 | CN100574951C Screwhead punching pin locking method and screwhead punching die |
| 12/01/2009 | US7625291 Tool for repairing damaged screw threads |
| 11/18/2009 | CN100560260C Bidirectional alternating interactive clamping apparatus of heading machine |
| 10/28/2009 | CN100553844C Tool for repairing damaged screw threads |
| 10/21/2009 | CN101559504A One-time two-screw heading machine with stripping device |
| 10/01/2009 | US20090247310 Method and tooling for headed pilot pointed bolts |
| 08/26/2009 | CN201295803Y Screw end milling machine |
| 08/05/2009 | CN101498333A Screw, punching implement and screwdriver head |
| 07/30/2009 | US20090191014 Devices for the drilling of lenses and finishing assembly screws and associates method |
| 06/03/2009 | CN201249312Y Device for milling the cross notches of bolt heads in batches |
| 05/13/2009 | CN101428362A Drive head apparatus of opening and closing mould cold header |
| 03/12/2009 | US20090069103 Punch and related recessed screw |
| 03/04/2009 | CN101379307A Bolt and method for manufacturing bolt |
| 02/28/2009 | CA2618515A1 Method for securing a threaded insert in a threaded opening |
| 02/25/2009 | CN101372057A Screw head punch needle and molding screw thereof |
| 02/19/2009 | WO2009022571A1 Method and device for deburring screw joint of pipe |
| 01/14/2009 | CN100450685C Method for forming groove on screw fastener head |
| 01/07/2009 | CN201175746Y Screwdriver slit pressing die |
| 01/01/2009 | US20090003968 Bolt and Manufacturing Method of Bolt |
| 01/01/2009 | US20090003967 Lobular drive system with interference fit and method and apparatus for fabricating same |
| 12/24/2008 | WO2008136643A3 Manufacturing method for assembling nut |
| 12/11/2008 | WO2008150237A1 Thread cleaner |
| 11/26/2008 | CN201154375Y Die and screw manufactured thereby |
| 11/13/2008 | WO2008136643A2 Manufacturing method for assembling nut |
| 11/13/2008 | US20080279653 Screw head formation |
| 11/12/2008 | EP1990552A1 Bolt and method for manufacturing bolt |
| 10/29/2008 | EP1985398A1 Method for making a screw for spectacles, and screw for spectacles thus made |
| 10/29/2008 | CN100429028C Punch and manufacturing method for recessed head fastener |
| 10/16/2008 | DE202008005150U1 Gewindebolzen-Halter Threaded bolt holder |
| 10/15/2008 | CN201132191Y Die for dill tail moulding screw |
| 10/08/2008 | CN101279390A Bidirectional alternating expression interactive clamping apparatus of heading machine |
| 09/24/2008 | CN101269427A Screw heading machine for two-screw at same time |
| 07/30/2008 | CN100406181C Technology for improving mesh accuracy between screwdown nut and screwdown screw of strip steel rough mill and plate mill |
| 06/11/2008 | EP1930111A1 Whirling head and its use |
| 06/04/2008 | CN101190470A Guide mechanism of tail clipping machine |
| 06/04/2008 | CN100391673C Bolt groove burr-free processing method and device |
| 06/04/2008 | CN100391672C Process for manufacturing knob and ringer of rigging screw |
| 05/21/2008 | EP1729909B1 Tool for repairing damaged screw threads |
| 05/21/2008 | CN101181770A Special type screw composite forming production technology |
| 04/30/2008 | CN201052533Y Cold punching mould for cap of screw |
| 04/23/2008 | CN201049409Y Screw tail clamping machine |
| 03/13/2008 | US20080064512 Tool For Repairing Damaged Screw Threads |
| 02/27/2008 | CN201026544Y Trapezia punching sliding guide of heading machine |
| 02/20/2008 | CN201023162Y Improved boundary pit machine |
| 02/14/2008 | US20080039218 Tool for Repairing Damaged Screw Threads |
| 01/31/2008 | US20080025819 Screw-In Element Having Changing Thread Profile And Method For Its Production |
| 01/23/2008 | CN201008921Y Torsional shear high-strength bolt offset ring peduncle contracting forming die |
| 01/23/2008 | CN201008917Y Screw driver groove punching mould of screw head |