Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
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10/20/2004 | CN2649244Y Omnibearing positioning tapping machine |
10/20/2004 | CN2649243Y Rotary operating platform fixture device for automatic tapping machine |
10/14/2004 | WO2004087359A1 Thread cutting control method and thread cutting controller |
10/13/2004 | CN2647484Y Machine for grinding threads |
10/12/2004 | US6802678 Tapping unit |
10/05/2004 | US6799615 Tenon maker |
09/29/2004 | CN2644069Y Fine adjustment tool apron with screw-thread backlash compensation function |
09/29/2004 | CN2644068Y Online pipe threading unit |
09/16/2004 | US20040179906 Tap process for hard workpieces |
09/15/2004 | EP1457285A1 Eletronically controlled electromechanical tapping apparatus |
09/09/2004 | DE202004008458U1 Minimal compensating thread cutting insert for machine used for synchronized thread cutting |
09/08/2004 | CN2638898Y Variable pitch reducing screw processing device |
09/01/2004 | CN2637068Y Tapping clamping device of threading machine |
09/01/2004 | CN1164379C Method for producing high speed steel roll ring |
08/19/2004 | WO2004069459A1 Threading control method and controller |
08/12/2004 | WO2004067216A1 Thread milling cutter, holder and a method for milling an external thread on a spigot |
08/05/2004 | US20040152404 Lapping tool |
07/14/2004 | CN1511665A Method and its device for forming internal screw thread on nut |
07/07/2004 | CN2623395Y 轻便型套丝机 Portable threading machine |
07/07/2004 | CN2623394Y Rib ripping and thread rolling transmission device of threading machine |
07/07/2004 | CN2623393Y Frame skeleton structure of threading machine |
07/01/2004 | WO2004054747A2 Screw vibration assisted tapping device |
07/01/2004 | US20040128018 Thread machining control method and apparatus therefor |
06/30/2004 | CN2622452Y Pnenmatic bench type tapping machine |
06/30/2004 | CN2621864Y Tool holding device of rib stripping gear of threading machine |
06/30/2004 | CN2621863Y 电动套丝机 Electric Threading Machine |
06/24/2004 | WO2004053343A2 Self-threading female fastener elements and method of forming same |
06/24/2004 | US20040121848 Screw vibration assisted tapping device |
06/24/2004 | CA2507596A1 Self-threading female fastener elements and method of forming same |
06/17/2004 | US20040111884 Profiled contour of a screw pump |
06/09/2004 | CN2619747Y Screwplate aid for cutting external screw on two ends of short tube |
05/21/2004 | WO2002065925A8 Bone screw, method for producing the threads thereof and drill for drilling holes therefor |
04/29/2004 | US20040081519 Milling head for thread whirling |
03/11/2004 | WO2004020136A1 Thread grinding machine |
03/11/2004 | DE10240509A1 Verzahnungs- und Gewindeschleifmaschine Gear cutters and thread grinding machine |
03/04/2004 | US20040040133 Gear tooth and thread grinding machine |
03/03/2004 | EP1051277B1 Threading device |
02/25/2004 | CN2604267Y Hand threading machine |
02/25/2004 | CN2604266Y Graphite electrode double-thread chaser processing machine tool |
02/25/2004 | CN2604265Y Top adjustable multi-spindles threading machine |
02/24/2004 | US6694847 Cutting tip and method thereof |
02/18/2004 | EP1020674B1 Oil well pipe screw joint, and threading method therefor |
02/03/2004 | US6687566 Method of machining a female screw and dressing a grinding wheel for female screw machining |
01/29/2004 | DE10231252A1 Führungsaufsatz Guide attachment |
01/22/2004 | US20040011104 Method for producing a bung for a metal cask |
01/22/2004 | DE19500515B4 Werkzeugkopf für Rohrgewindeschneidmaschinen Tool head for pipe threading machines |
01/15/2004 | US20040009044 Servo motor die tapping unit |
01/07/2004 | CN1133842C Oil well pipe screw joint, and threading method and appts. therefor |
12/16/2003 | US6663326 Cutting tip and manufacturing method thereof |
12/04/2003 | DE4428049C2 Werkzeugkopf für Rohrgewindeschneidmaschinen Tool head for pipe threading machines |
12/03/2003 | EP1366861A1 Lapping tool |
12/03/2003 | CN2589138Y Left and right screw-thread vertical tapping machine |
12/03/2003 | CN2589137Y Fast threading machine |
11/27/2003 | WO2003097279A1 Linear electric servo motor actuated screw thread tapper |
11/26/2003 | CN2587564Y Dismounting free type thread cutting tool holder |
11/26/2003 | CN1457952A Knife handle type vibrative screw tapping device |
11/19/2003 | CN1456411A Tapping devices |
11/13/2003 | WO2003092937A1 Impact driver for rotary tools |
11/12/2003 | CN1455718A Lapping tool |
11/11/2003 | US6643904 Shank removal tool for a carburetor |
10/30/2003 | US20030202850 Impact driver for rotary tools |
10/29/2003 | EP1355758A1 Profiled contour of a screw pump |
10/29/2003 | CN2582804Y Inner die threading machine for punch press |
10/29/2003 | CN1125699C Method for machining top arc of teeth for thread rolling die |
10/22/2003 | CN2581108Y Thread cutting machine for sleeve |
10/15/2003 | CN1448638A All-extricated contact line single helical-lobe compressor intermeshing pair |
10/01/2003 | CN1445055A Coolant system and cooling method for screw threading machine |
10/01/2003 | CN1445054A Coolant system and cooling method for screw threading machine |
09/18/2003 | DE20310400U1 Screw thread positioner has a sleeve and a resting flange and the sleeve is rationally interchangeable with another |
08/28/2003 | US20030159758 Tenon maker |
08/27/2003 | EP1338365A1 Threading device |
08/27/2003 | CN1438087A Graphite electrode double scew-thread carding machine tool |
08/21/2003 | US20030156913 Apparatus for forming threads in a pipe end |
08/21/2003 | US20030154831 Automatic screw machine having electronically controlled functions |
07/31/2003 | US20030143055 Method for producing a nut, screw tap for carrying out said method and nut produced according to said method |
07/15/2003 | CA2365586C Method of repairing cylindrical workpieces and lathe therefor |
07/03/2003 | US20030122518 Electrical motor-driven lathe |
07/02/2003 | CN2558792Y Full-free contact line single-screw compressor meshing pair |
06/04/2003 | EP1218803B1 Hobble turning method and preferred applications of said method |
06/04/2003 | CN1110396C 攻丝机 Tapping Machine |
05/28/2003 | CN1109595C Method for cooling workpiece in threading |
05/27/2003 | US6569022 Self-synchronizing tap driver for rigid tapping |
05/21/2003 | CN2551387Y Centering circular die threading handle |
05/21/2003 | CN1418748A Vibration threading machine |
05/14/2003 | CN1108221C Backward cutting process of left-handed thread without recess |
05/08/2003 | US20030086768 Cutting tip and method thereof |
05/08/2003 | DE10143299C1 Wirbelring Vortex ring |
05/01/2003 | WO2003035317A1 Tool holder for a circular cylindrical threading die |
04/22/2003 | US6551033 Tapping apparatus and method |
04/08/2003 | US6544127 Tool for repairing damaged threads |
03/26/2003 | CN2541108Y Stageless speed variable vertical tapper |
03/26/2003 | CN1404953A Fully numerically-controlled flexible automatic processing line for graphite electrode connector |
03/19/2003 | EP1292419A1 Method for producing a nut, screw tap for carrying out said method and nut produced according to said method |
03/18/2003 | US6533508 Machining apparatus and machining method |
03/13/2003 | WO2003020464A1 Tool die |
03/13/2003 | US20030050699 Methods for manufacturing skeletal implants |
03/05/2003 | EP1287932A1 Thread cutting ring |
02/19/2003 | CN2536342Y Threading chunk |
02/06/2003 | DE20210744U1 Holder for tap cutting bits has a housing with no weak points using high tensile materials |
02/05/2003 | CN1394712A Method for on-line fault diagnosis of vibration threading and its equipment |