| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
|---|
| 01/29/2003 | CN1393319A Machine-tool for comprehensively machining head of long-tube or long-axle parts |
| 01/07/2003 | US6503252 Bone screw, method for producing the threads thereof and drill for drilling holes therefor |
| 12/31/2002 | US6499918 Apparatus and method for repairing marine engine distributors |
| 12/05/2002 | US20020183887 Method of machining a female screw and dressing a grinding wheel for female screw machining |
| 12/03/2002 | US6487946 Threading device |
| 11/27/2002 | CN2522224Y Three-head threading machine-tool electronic controller |
| 11/20/2002 | CN2520981Y Screw-thread mill |
| 11/14/2002 | US20020166423 Cutting apparatus for generating threads for pipe nipples |
| 11/06/2002 | EP0853525B1 Tapping tool and method for driving or controlling a tapping tool with pressurized fluid |
| 10/29/2002 | US6471596 Thread tapping machine |
| 10/24/2002 | WO2001049333A9 Methods for manufacturing skeletal implants |
| 10/24/2002 | DE10119325A1 Manufacturing device for internal screw thread using combination drill with turning drive with spindle actuated by un-synchronized drive during drilling stage, and synchronized drive during cutting stage |
| 10/23/2002 | EP1250200A2 Method for making a bung for a metal cask |
| 10/16/2002 | CN2516301Y Substitution multiaxle thread cutting machine with isopitch thread guide structure |
| 10/08/2002 | US6460435 Method of rotational thread milling and a thread milling cutter for use therewith |
| 10/08/2002 | US6460434 Machining assembly and a method |
| 10/02/2002 | CN2513705Y Automatic tapper capable of processing different screw pitches |
| 10/01/2002 | US6458144 Methods for manufacturing skeletal implants |
| 09/25/2002 | EP0973627B1 Tool producing internal thread |
| 09/24/2002 | US6454315 Oil well pipe screw joint, and threading method and apparatus therefor |
| 09/12/2002 | US20020128657 Bone screw, method for producing the threads thereof and drill for drilling holes therefor |
| 09/11/2002 | EP1238737A1 Tapping unit |
| 09/03/2002 | US6442826 Method for manufacturing a flush/semi-flush threaded connection |
| 08/29/2002 | WO2002065925A1 Bone screw, method for producing the threads thereof and drill for drilling holes therefor |
| 08/08/2002 | WO2002009597A3 Diaphysial cortical dowel |
| 08/08/2002 | DE10102341A1 Profilkontur einer Schraubenspindelpumpe Profile contour of a screw pump |
| 08/01/2002 | WO2002058889A1 Lapping tool |
| 08/01/2002 | US20020102142 Tapping unit |
| 08/01/2002 | DE10104181A1 Drehmaschine Lathe |
| 07/25/2002 | WO2002057044A1 Profiled contour of a screw pump |
| 07/25/2002 | CA2435040A1 Profile of a screw pump |
| 07/18/2002 | US20020094876 Self-synchronizing tap driver for rigid tapping |
| 07/10/2002 | CN2499157Y Oil path structure of cutting fluid for electric threading machine |
| 07/03/2002 | EP1218803A1 Hobble turning method and preferred applications of said method |
| 06/26/2002 | CN2496586Y Main shaft rotation structure of threading machine |
| 06/19/2002 | EP0935509B1 Steerable toolholder |
| 06/05/2002 | EP1011909B1 A machining assembly and a method |
| 05/15/2002 | CN2491169Y Capstan of threading machine with automatic tool withdrawal function |
| 05/14/2002 | US6386804 Recessed damaged stud re-threading tool |
| 05/09/2002 | US20020053265 Machining assembly and a method |
| 05/01/2002 | CN2488632Y Dynamoelectric thread making machine |
| 05/01/2002 | CN2488631Y Lathe for processing inner bore on edge face of slim part |
| 04/24/2002 | CN2487485Y Material pressing structure for imporved thread milling machine |
| 04/24/2002 | CN2487484Y Electric tapper of automatic braking after dump |
| 04/24/2002 | CN2487483Y Electric tapper with carrying handle |
| 04/24/2002 | CN2487482Y Capstan and front chuck collision-proof mechanism for electric tapper |
| 04/17/2002 | EP0783389B1 System for adapting an automatic screw machine to achieve computer numeric control |
| 04/17/2002 | CN2486262Y New simple multifunction pipeline working machine |
| 04/10/2002 | CN2485082Y Threading apparatus |
| 03/26/2002 | CA2243940C Method of repairing cylindrical workpieces and lathe therefor |
| 03/21/2002 | US20020034413 Connecting member |
| 03/14/2002 | US20020032066 Thread tapping machine |
| 03/13/2002 | CN1339342A Method for producing high speed steel roll ring |
| 03/06/2002 | CN2480092Y Adjustable threading tool |
| 02/28/2002 | DE10040134A1 Wooden nut and bolt for assembling uprights and cross-bars in shelf systems have trapezium-shaped threads, ratio of diameter of core of the bolt to diameter of thread being within specified limits |
| 02/26/2002 | US6349739 Multi-component metallic housing for a fluid |
| 02/19/2002 | US6348003 Self-synchronizing tap driver for rigid tapping |
| 02/07/2002 | WO2002009597A2 Diaphysial cortical dowel |
| 02/07/2002 | WO2001053021A3 Method for making a bung for a metal cask |
| 02/06/2002 | EP1177847A1 Tap holder |
| 01/30/2002 | CN2474256Y Corrector for tracing bore diameter and drill way |
| 01/22/2002 | US6340276 Thread-cutting apparatus with reversal of direction of rotation |
| 01/17/2002 | DE10030492A1 Verfahren zur Herstellung einer Mutter, Gewindebohrer zur Durchführung des Verfahrens und nach diesem Verfahren hergestellte Mutter A process for preparing a nut threaded drill for performing the method and produced by this process nut |
| 01/16/2002 | EP1171256A1 Process and apparatus for manufacturing endodontic instruments |
| 01/16/2002 | CN2471462Y Threading apparatus |
| 01/02/2002 | CN2468644Y Improved machine for cutting tube and tapping screw |
| 01/01/2002 | US6334370 Ball screwed nut, linearly guiding apparatus using the same, ball screw for steering and method of manufacturing the ball screwed nut |
| 12/27/2001 | WO2001098011A1 Method for producing a nut, screw tap for carrying out said method and nut produced according to said method |
| 12/19/2001 | CN2465846Y Difunctional drilling and tapping controlling structure |
| 12/13/2001 | WO2001049333A3 Methods for manufacturing skeletal implants |
| 12/11/2001 | CA2235055C Threading machine coolant system and method of cooling |
| 12/05/2001 | CN2463095Y Bench threading machine |
| 11/28/2001 | CN1075412C Small-diameter screw-hole tapping device |
| 11/27/2001 | US6322298 Tapping unit |
| 11/21/2001 | CN2460248Y Multi-pitch tapping machine |
| 11/21/2001 | CN2460247Y Compound handle structure |
| 11/07/2001 | CN2458113Y Improved universal multi-shaft drill bit |
| 10/25/2001 | DE10020111A1 Flange socket for vortex ring of vortex unit has centring lip with several spaced radial slits to compensate deformations |
| 10/24/2001 | CN2455426Y Screw rod grinder |
| 10/23/2001 | US6306017 Method and machining tool for producing helically profiled workpieces |
| 10/10/2001 | EP0674564B1 Linear roller tap driver assembly |
| 10/03/2001 | CN2451277Y Screw threading machine |
| 10/03/2001 | CN1072370C Controlling apparatus and controlling method in machine tool |
| 09/26/2001 | CN2449849Y Lubricating cooling scrap-clearing device for thread cutting machine |
| 09/19/2001 | CN2448494Y Table type tapping machine |
| 09/19/2001 | CN1071164C High precision screw and tool for making same |
| 09/12/2001 | EP1132165A2 Thread cutting apparatus mit sealed clamping head |
| 09/12/2001 | CN2447098Y Screw drilling holder |
| 08/23/2001 | US20010015116 Tapping apparatus and method |
| 08/22/2001 | EP1125666A1 Machining device and machining method |
| 08/08/2001 | EP1122014A2 Tapping apparatus and method |
| 08/01/2001 | CN2440613Y Multi-stage speed-various three-head threading machine for pipes |
| 07/26/2001 | WO2001053021A2 Method for making a bung for a metal cask |
| 07/19/2001 | DE10000175A1 Thread-cutting apparatus with sealed clamping head, shaft of which is sealed in shell which can turn but not move axially in casing |
| 07/19/2001 | DE10000173A1 Pneumatikzylinder zum Schalten eines Werkzeugantriebs-Getriebes Pneumatic cylinder for switching a tool drive gear |
| 07/12/2001 | WO2001049333A2 Methods for manufacturing skeletal implants |
| 07/11/2001 | EP1114934A2 Pneumatic cylinder for switching a machine tool gear drive |
| 07/11/2001 | EP1114687A2 Thread cutting apparatus with direction of rotation reversing |
| 07/11/2001 | CN1302712A Threading machine |
| 07/10/2001 | US6257809 Tapping apparatus and method |