| 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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| 12/31/1991 | US5076744 Screw cutting machine |
| 10/31/1991 | WO1991016163A1 Controller of machine equipped with tapping function |
| 10/09/1991 | CN1014216B Method and apparatus for thread mill drilling |
| 09/04/1991 | CN2083974U Multipurpose reamering rod |
| 07/10/1991 | CN2080436U Multipurpose clamp capable of quick assembling and disassembling |
| 05/21/1991 | US5016335 Tapping attachment for a punch press |
| 03/26/1991 | US5002440 Apparatus for automatically stopping operation of cutting machine |
| 03/26/1991 | US5001827 Turret punch press with a tapping function |
| 01/16/1991 | CN1048518A Cone and conical thread-cutting machine |
| 11/07/1990 | CN2065108U Chaser |
| 11/07/1990 | CN1010290B Machining process of high-precision ultrashort-pitch cycloidal screw |
| 10/31/1990 | EP0394925A2 Tapping attachment for a punch press |
| 10/30/1990 | US4966058 Automatic threading device for lathes |
| 03/08/1990 | DE3829216A1 Tool for producing a thread-like groove |
| 11/29/1989 | CN2048407U Adjustable spindle gearing for turning conical screw |
| 08/16/1989 | CN2042765U Milling thread positioner |
| 08/02/1989 | EP0326302A2 Apparatus for automatically stopping operation of a cutting machine |
| 06/14/1989 | CN2039241U Assembled carbide chaser with index tripping tooth |
| 12/28/1988 | CN87101572A Machining process of high-precision ultrashort-pitch cycloidal screw |
| 11/09/1988 | CN88203746U Automatic conicul-thread cutting machine |
| 11/03/1988 | DE3713626A1 Attachment for a lathe |
| 11/02/1988 | CN87101539A Method of increasing the machining range for three-start thread with a common lathe and change gear device thereof |
| 09/28/1988 | CN87205265U Internal thread cutting device |
| 08/09/1988 | US4762448 Threading apparatus for milling machines |
| 08/02/1988 | US4761100 Method of tapping on a press, and apparatus for implementing the method |
| 07/27/1988 | CN87103520A Method of and apparatus for thread mill drilling |
| 06/15/1988 | CN86209753U Multi-shaft machine tool thread rolling device |
| 05/18/1988 | CN87211382U Engine lather for cutting conical spiral thread |
| 03/30/1988 | CN87205705U Automatic and high-speed thread-turning unit for plain lathe |
| 02/24/1988 | CN87203412U Chuck for roll formed thread-pipe |
| 02/03/1988 | CN87200461U 多功能管子车床 Multifunctional pipe lathe |
| 01/06/1988 | CN87205687U Multipurpose machine for cutting-off pipes and cutting screws |
| 11/17/1987 | US4706369 Fast-action multiple tapping machine |
| 10/20/1987 | US4700441 Tapping machine |
| 10/07/1987 | CN86210547U Special device for drilling hole on general lathe |
| 09/16/1987 | EP0237035A2 Method of and tool for thread mill drilling |
| 09/08/1987 | US4692072 Tapping device for reciprocative press |
| 08/11/1987 | US4685362 Quick-mount thread cutting attachment for lathes |
| 05/06/1987 | EP0220973A1 Thread-cutting apparatus for a press |
| 03/04/1987 | EP0212006A1 Device for threading holes in pressing operations |
| 08/27/1986 | EP0192586A1 Automatic screw thread cutting device |
| 07/22/1986 | USRE32211 Machine tool and method |
| 02/05/1986 | CN85200908U Tap and die with complete teeth |
| 01/15/1985 | CA1180955A1 Automatic tapping device for use on a mechanical press |
| 09/25/1984 | US4473330 Automatic tapping device for use on a mechanical press |
| 05/22/1984 | US4449868 Apparatus for threading holes |
| 12/13/1983 | US4419912 Vibration threading lathe for precision screw cutting |
| 04/27/1983 | EP0077766A2 Driving arrangement for the forward and thread-cutting motion of the tool slide of lathes |
| 09/29/1982 | EP0060958A1 Automatically withdrawable tool-holder for a rapid tread-cutting centre lathe |
| 06/23/1982 | EP0054479A1 Automatic thread tapping device for a mechanical press |
| 09/08/1981 | CA1108357A1 Transportable exterior thread cutting machine |
| 01/14/1981 | EP0022169A1 Apparatus for generating threads and the like |
| 07/22/1980 | US4213722 Transportable external thread cutting machine |
| 02/05/1980 | US4186631 Threading apparatus for a standard engine lathe |
| 07/10/1979 | US4160395 Thread-cutting machine |
| 02/13/1979 | US4138773 Woodwork drilling and screwing machine |
| 10/31/1978 | US4122572 Advancing mechanism for automatic screw thread cutting machines |
| 09/05/1978 | US4110936 Grinding arbor |
| 06/27/1978 | US4097178 Diehead chaser carrier |
| 06/06/1978 | US4092884 Lathe adapter for non-standard thread machining |
| 03/14/1978 | US4078459 Long stroke turret control mechanism for automatic screw machine |
| 01/03/1978 | US4066380 Combined boring and threading tool |
| 08/03/1976 | US3972250 Single point threading attachment with lead-screw rotational timing means |
| 01/20/1976 | US3933060 Automatic lathe |