| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
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| 06/07/2001 | DE10014270C1 Thread tapping appts with direction reversal has an integrated current generator without complex external connections for simple direction change time actions and tool exchange |
| 06/07/2001 | DE10000172C1 Thread tapping appts with direction reversal has an electropneumatic valve at the housing for the operation of the cylinder and an induction sensor at the housing to register the spindle extraction |
| 05/31/2001 | WO1999010127A9 Improved parts and subassemblies for self-reversing tapping attachments |
| 05/23/2001 | CN1295899A Tool for repairing damaged screw |
| 05/10/2001 | DE19922891A1 Tool holder for cutting internal threads, consisting of drive part, head part in support body and drive spindle connected by pivoted shaft to tool spindle |
| 05/09/2001 | CN2429288Y Six arbor and knife flywheel assembly for screw threading machine |
| 05/09/2001 | CN2429287Y Electric threading apparatus |
| 05/02/2001 | EP1095724A1 Tool for repairing damaged threads |
| 05/02/2001 | CN1293100A Technology for machining top arc of teeth for thread rolling die |
| 03/28/2001 | EP1086767A1 Tool attachment assembly |
| 03/28/2001 | EP1085960A1 Tool-holder device, in particular threading die stock |
| 03/27/2001 | CA2200581C System for adapting an automatic screw machine to achieve computer numeric control |
| 03/15/2001 | DE19943697A1 Tool insert e.g. bits etc. for conventional socket wrenches has two axially opposite square bores for square parts of ratchet spanners etc. |
| 03/14/2001 | CN2423051Y Electric hand drill with thread cutting and nut driving machine |
| 02/28/2001 | CN2421107Y Rotary cutter head for screw numerically controlled milling machine |
| 02/20/2001 | US6190101 Low tolerance threaded fastener |
| 02/06/2001 | US6183175 Steerable toolholder |
| 01/31/2001 | EP1072348A2 Device for thread milling and milling cutter for this device |
| 01/24/2001 | CN2415868Y Digital control pipe joint thread cutting machine |
| 01/24/2001 | CN2415867Y 卧式套丝机 Horizontal Threading Machine |
| 01/24/2001 | CN2415864Y Bench type drilling & tapping machine tool |
| 01/24/2001 | CN1060985C High pressure tapping apparatus |
| 01/17/2001 | CN2414866Y Rotating and swinging spectial double grinding head for grinding plane second enveloping ring surface worm tooth face |
| 01/11/2001 | DE19930617A1 Rotary milling device producing threaded workpieces has workpiece spindle and milling spindle moving radially relative to each other and then axially with axial movement shorter than thread |
| 01/03/2001 | CN2412688Y Automatic toolroom machine |
| 12/28/2000 | DE19929068A1 Vortex ring for paring external threads, worms and profiles has vortex ring with several equally spaced clamping holders for paring tools set in two axially spaced planes to produce twin-thread worms in one work step |
| 12/27/2000 | CN2411866Y Electric universal purpose mantle fiber machine |
| 12/14/2000 | WO2000075737A1 Hobble turning method and preferred applications of said method |
| 12/14/2000 | DE19925924A1 Verfahren zum Humpeldrehen und bevorzugte Anwendung des Verfahrens A method for Humpeldrehen and preferred application of the method |
| 12/05/2000 | US6155756 Thread forming machine for bone material |
| 11/29/2000 | CN2407874Y Steel pipe flattener |
| 11/22/2000 | EP1053816A2 Pneumatic device for driving tools |
| 11/22/2000 | CN1274413A Oil well pipe screw joint, and threading method and appts. therefor |
| 11/15/2000 | EP1051277A1 Threading device |
| 11/15/2000 | EP1051131A1 Hobble turning method and preferred application for said method |
| 11/01/2000 | CN2403533Y Multifunction die handle |
| 10/25/2000 | CN2402433Y Angle adjusting mechanism for cross axle skewed screw hole making machine |
| 10/25/2000 | CN2402432Y Horizontal slide milling device for nut milling machine |
| 10/03/2000 | US6126521 Process and apparatus for manufacturing endodontic instruments |
| 09/27/2000 | CN2398043Y Two-purpose mantle fiber pipe cutting machine |
| 09/13/2000 | CN2395836Y Numerically controlled electrode joint screw double comb tool machine tool |
| 09/13/2000 | CN2395835Y Numerically controlled comb tool machine tool for processing electrode screw |
| 09/06/2000 | CN2394743Y Thread cutter for steel bar |
| 08/31/2000 | DE19905775A1 Machine tool control method involves feeding position demand values as spindle demand values to spindle drive from controller if tool required for threaded drilling is detected |
| 08/30/2000 | EP1000249A4 Low-tolerance threaded fastener |
| 08/29/2000 | US6111382 Device for controlling tapping device provided with composite tool having boring and tapping sections |
| 08/23/2000 | EP0687165B1 Process for producing a thread with a variable profile and application of the process |
| 08/23/2000 | CN2392632Y Threading device for machine use |
| 08/23/2000 | CN2392631Y Self-threading screw-tail-cutting machine |
| 08/09/2000 | CN1055261C Method and apparatus for machining internal thread of heat transfer pipe with hydraulic driving tool |
| 08/03/2000 | DE19902901A1 Gewindeschneidapparat mit Drehrichtungsumkehr Tapping attachment with direction reversal |
| 08/02/2000 | EP1023963A2 Thread cutting apparatus with direction of rotation reversing |
| 07/27/2000 | WO2000043154A1 Process and apparatus for manufacturing endodontic instruments |
| 07/27/2000 | CA2359927A1 Process and apparatus for manufacturing endodontic instruments |
| 07/25/2000 | US6092445 Telescoping die holder |
| 07/19/2000 | EP1020674A1 Oil well pipe screw joint, and threading method and apparatus therefor |
| 07/19/2000 | CN1260259A Ball-screw nut and making method thereof, linear guiding device and ball-screw for turning |
| 07/18/2000 | CA2014784C Tapping attachment for a punch press |
| 06/28/2000 | EP1011909A1 A machining assembly and a method |
| 06/28/2000 | CN2384721Y Hand pipe die stock |
| 06/28/2000 | CN2384720Y Pipe cutting and threading machine |
| 06/21/2000 | CN2383607Y Light hand pipe thread-cutting device |
| 06/21/2000 | CN2383606Y Device for turning spindle nose |
| 06/14/2000 | CN2382493Y Tail cutting type teeth scrubbing plate |
| 06/07/2000 | EP1005939A2 Method and tool to manufacture workpieces with screwthread profile |
| 06/07/2000 | CN2381425Y Multifunctional electric tapper |
| 05/31/2000 | CN2380735Y Self-tapping steel-wire screw-socket |
| 05/17/2000 | EP1000249A2 Low-tolerance threaded fastener |
| 05/16/2000 | US6062777 Machining threaded tubular goods |
| 05/10/2000 | EP0999006A2 Tapping unit |
| 05/03/2000 | CN2376357Y Miniature electric threading machine |
| 04/26/2000 | CN2375403Y Saw milling thread-cutting structure for all kinds of parts |
| 04/26/2000 | CN2375402Y Improved hand pipe fittings threading machine |
| 04/20/2000 | WO2000021705A1 Machining device and machining method |
| 04/20/2000 | DE19845948A1 Gewindeschneidvorrichtung Thread cutting device |
| 04/13/2000 | WO2000020153A1 Threading device |
| 03/15/2000 | EP0985470A2 Ball screwed nut, linearly guiding apparatus using the same, ball screw for steering and method of manufacturing the ball screwed nut |
| 03/15/2000 | CN2368637Y Multifunctional semiautomatic three-position threading machine |
| 03/08/2000 | EP0734299B1 Milling and boring tool |
| 03/01/2000 | CN2366211Y Clamping apparatus specially for thread-cutting |
| 03/01/2000 | CN2366210Y Tool for reparing external screw thread of tubular parts |
| 02/28/2000 | CA2281306A1 Tap and die guide apparatus |
| 02/23/2000 | EP0980734A1 Self-reversing tapping attachment with shock absorption |
| 02/16/2000 | CN2363820Y Device for working equal helical groove of cone |
| 02/10/2000 | WO2000006937A1 Oil well pipe screw joint, and threading method and apparatus therefor |
| 02/02/2000 | CN2361420Y Reinforcing bar threading machine |
| 02/01/2000 | US6019552 Thread cutter |
| 01/26/2000 | EP0973627A1 Tool producing internal thread |
| 01/19/2000 | CN2359034Y Numerical controlled machine tool for processing pipe thread |
| 01/05/2000 | CN2356797Y Small electric tapper |
| 01/05/2000 | CN2356796Y Machine tool for cutting thread of pipe |
| 12/29/1999 | CN2355837Y Portable internal thread processing device |
| 12/28/1999 | US6008609 Numerical control apparatus and method of controlling acceleration/deceleration of spindle motor of numerical control apparatus |
| 12/15/1999 | CN2353474Y Equistrength thread processing machine for concrete bar end |
| 12/08/1999 | CN2352298Y Tool for thread-cutting for plastic tube |
| 12/07/1999 | US5997578 Process for the production of a thread having a variably modifiable thread profile and preferred application of the process |
| 11/30/1999 | US5993120 Internal thread-producing tool and method |
| 11/18/1999 | WO1999058276A1 Tool-holder device, in particular threading die stock |
| 11/03/1999 | CN2346532Y Rhombus universal-purpose thread tool rack |
| 10/06/1999 | CN2341745Y Device for centring cutter at the same time holding pipe material |