| Patents for B23G 3 - Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working-spindle (464) |
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| 04/14/2005 | WO2005032749A1 Tapping device |
| 01/05/2005 | DE10325719A1 Processing unit for e.g. press or stamp has fluid unit for spindle stroke drive with double action piston with controllable lifting drive, at least one sensor unit that detects piston stroke position |
| 11/23/2004 | CA2125933C Rotary driving device for press machine |
| 11/18/2004 | DE202004014367U1 Vorrichtung zum Bohren und/oder Gewindeschneiden und/oder Abschrauben Apparatus for drilling and / or thread-cutting and / or unscrewing |
| 11/10/2004 | CN2654266Y Device for plain lathe to process conical inner screw thread |
| 10/20/2004 | EP1468772A2 Servo motor die tapping unit |
| 10/20/2004 | CN2649247Y Tapping clamping-head |
| 10/06/2004 | CN2645838Y Multiple axial organ oscillating arm |
| 06/16/2004 | CN2620604Y Magnetic hole-drilling tapper |
| 05/06/2004 | WO2004037482A1 Tapping method and device, and punch press |
| 03/17/2004 | CN2606655Y Bench type constant pitch tapping machine withy bottom protection |
| 03/17/2004 | CN2606654Y Constant pitch bench tapping machine |
| 02/12/2004 | WO2004012890A1 A threading attachment for automatic lathes |
| 01/15/2004 | US20040009044 Servo motor die tapping unit |
| 11/26/2003 | CN2587565Y Mainshaft box for threading/drilling two-purpose machine |
| 10/15/2003 | CN2579586Y Tapping machine |
| 09/09/2003 | CA2127353C In-die tapping tool |
| 07/16/2003 | CN2560466Y Drilling and tapping control device for vetical drilling machine |
| 07/09/2003 | CN2559446Y Threading device attached to drilling machine |
| 07/03/2003 | US20030122518 Electrical motor-driven lathe |
| 04/30/2003 | CN2547451Y Geared drilling and tapping machine |
| 04/15/2003 | US6547496 Die tapping unit |
| 02/25/2003 | CA2281313C Thread insert having detachable tongue |
| 01/30/2003 | US20030021646 In die tapping unit |
| 01/29/2003 | EP1279456A1 In die tapping unit |
| 01/27/2003 | CA2390268A1 In die tapping unit |
| 12/03/2002 | US6487944 Machine tool and control method therefor |
| 09/24/2002 | US6453782 Machine tool |
| 09/11/2002 | EP1238738A1 Tapping apparatus |
| 08/07/2002 | CN2504024Y Tapping attachment |
| 07/03/2002 | CN1086970C Reversal mechanism for tapping arrangement |
| 05/22/2002 | CN2492330Y Horizontally sliding milling unit for nut milling machine |
| 01/09/2002 | CN1329960A Machine tool |
| 01/02/2002 | EP1168125A2 Machine tool |
| 11/21/2001 | CN2460249Y Device for controlling motor positive-reverse rotational speed of sensitive drilling machine |
| 10/31/2001 | CN2456875Y 攻丝头 Tapping Head |
| 10/24/2001 | CN2455427Y Autoamtic controller for head forced expanding ring |
| 09/19/2001 | CN1071164C High precision screw and tool for making same |
| 08/22/2001 | EP1126343A2 Machine tool and control method therefor |
| 08/16/2001 | US20010013267 Machine tool and control method therefor |
| 07/11/2001 | CN2438539Y 连接元件 Connecting elements |
| 05/02/2001 | CN2428252Y Screw-thread copying cutting instrument machine tool |
| 01/09/2001 | US6171040 Thread insert having detachable tongue |
| 12/06/2000 | CN2409003Y Torque limiting type semi-automatic tapper |
| 12/05/2000 | US6155148 Thread cutting method using lathe and numerical controller |
| 11/28/2000 | US6152659 Rotary driving device for press machine |
| 10/04/2000 | CN2399139Y Oblique shaft butt and double-bit screw comb knife |
| 10/04/2000 | CN2399138Y Single-tooth double-bit screw comb knife |
| 08/29/2000 | US6111382 Device for controlling tapping device provided with composite tool having boring and tapping sections |
| 07/18/2000 | CA2014784C Tapping attachment for a punch press |
| 04/12/2000 | EP0992694A1 Thread insert having detachable tongue |
| 12/22/1999 | CN2354702Y Replaceable screw tap wrench |
| 11/10/1999 | CN2347709Y Threading apparatus |
| 10/06/1999 | CN2341746Y Insert groove type mounting inner circulation ball-screw pair |
| 08/11/1999 | CN2332516Y Boring/tooth working combiner with magnetic disc base |
| 06/30/1999 | CN2326379Y All-grinding type conic threaded chasing tool for processing connection threads of concrete reinforcing bar |
| 05/05/1999 | CN2317032Y Automatic opening/closing cutting head for chaser working reinforcing steel thread |
| 02/09/1999 | US5868051 Method and apparatus for machining with a pivoting cutting tool |
| 02/03/1999 | CN1206640A High precision screw and tool for making same |
| 01/20/1999 | EP0891834A1 Threading method by lathe and device for numerical control |
| 11/25/1998 | CN2298090Y Gear wheel reversing type thread cutting apparatus |
| 08/26/1998 | CN2288804Y Pipe-cutting chamfering tapping machine |
| 06/18/1998 | WO1998025724A1 Threading method by lathe and device for numerical control |
| 05/27/1998 | CN1182659A Reversal mechanism for tapping arrangement |
| 10/22/1997 | CN2265266Y Double-adjustable machine-driven tapping, threading device |
| 04/01/1997 | US5615471 Machine for machining sheet metal |
| 03/12/1997 | EP0761358A1 Tapping tool used on a press |
| 11/13/1996 | CN2239854Y Thread-cutting mechanism of instrument lathe |
| 10/23/1996 | CN2238104Y Automatic tapping device in die set |
| 08/22/1996 | DE19505991A1 Procedure for manufacturing preformed parts with threads |
| 07/17/1996 | EP0627969B1 Hopping method and device by means of a milling knife |
| 05/14/1996 | US5516240 Adapted to turn workpieces |
| 10/18/1995 | CN2210057Y Arrangement for working tap of side set |
| 08/23/1995 | CN2205760Y Thread milling machine |
| 08/09/1995 | EP0666134A1 Rotary driving device for press machine |
| 07/13/1995 | DE4445363A1 Sheet metal working machine |
| 07/04/1995 | US5429459 Method of and apparatus for thread mill drilling |
| 06/21/1995 | EP0480063B1 Controller of machine equipped with tapping function |
| 06/21/1995 | CN2201204Y Multifunctional combined thread cutter head |
| 04/19/1995 | CN2194780Y Self-return anti-strip tapping tool for tap |
| 11/17/1994 | EP0624116A1 In-die tapping tool |
| 11/10/1994 | DE4313804A1 Threading unit for an automatic punching/bending machine |
| 10/05/1994 | CN2178578Y Graphite electrode awl thread boring, paring device |
| 09/20/1994 | US5348429 Tapping apparatus with rapid tap advance/retraction |
| 05/03/1994 | US5307549 Apparatus and method for synchronized control of machine tools |
| 01/18/1994 | CA1326114C Method of and apparatus for thread mill drilling |
| 12/15/1993 | CN2149268Y Thread-cutting tool for machine |
| 12/15/1993 | CN2149267Y Arrangement for cutting thread using vertical lathe by single direction rotation |
| 11/10/1993 | CN2145668Y External waveshape thread milling apparatus |
| 09/28/1993 | US5248230 Device for tapping within die |
| 09/02/1993 | WO1993016832A1 Hopping method and device by means of a milling knife |
| 08/17/1993 | US5237251 Control unit for a machine with a tapping function |
| 07/27/1993 | CA1320614C Automatic tapping device |
| 07/22/1993 | WO1993013900A1 In-die tapping tool |
| 12/22/1992 | US5173015 In-die tapping tool |
| 12/16/1992 | CN2124788U Casing type automatic threading apparatus |
| 05/13/1992 | CN1016589B Method of increasing the machining range for three-start thread with a common lathe and change sear device thereof |
| 04/15/1992 | EP0480063A1 Controller of machine equipped with tapping function |
| 04/14/1992 | US5104268 Screw cutting machine |
| 02/26/1992 | CN2097051U Threading tool feeder |