| Patents for B23G 7 - Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material (352) |
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| 11/04/2004 | WO2004094094A1 Method, tool and device for the production of threads |
| 09/23/2004 | US20040185948 Thread former or tap |
| 09/16/2004 | US20040179914 Thread forming tool with annular ridge |
| 09/08/2004 | CN1527753A A thread forming tool with annular ridge |
| 08/26/2004 | DE10304182A1 Tool holder for tapping threaded holes has a removable cutting head located onto the end of the tool shaft via interlocking radial grooves and ridges |
| 07/08/2004 | US20040131434 Threaded tool with coolant supply |
| 07/07/2004 | CN1511071A Thread forming tap with non-circular cross-section and radially extending cutting edges |
| 06/09/2004 | EP0933157B1 Cold forming tap with inside diameter finish blade and method of manufacturing same |
| 05/27/2004 | WO2004043636A1 Thread shaping tap with multiple working heads |
| 05/06/2004 | DE10246871A1 Gewindewerkzeug mit Kühlmittelzufuhr Threading tool with coolant supply |
| 04/21/2004 | EP1409185A2 Thread former or tap |
| 04/14/2004 | EP1407848A1 Thread cutting tool with cooling |
| 03/09/2004 | CA2087317C Thread forming screw and method of forming an internal thread in a low ductility material |
| 02/18/2004 | EP1389151A1 A thread forming tool with annular ridge |
| 02/18/2004 | EP1389150A1 A thread forming tap with a non-circular cross-section and radially extending cutting edges |
| 02/10/2004 | US6688988 Looking thread cold forming tool |
| 02/03/2004 | US6685573 Thread forming tap |
| 01/22/2004 | US20040011104 Method for producing a bung for a metal cask |
| 01/07/2004 | CN2597140Y Special tool for repairnig thread of thickened oil pipe |
| 12/18/2003 | US20030231941 Self-drilling fastener |
| 12/17/2003 | EP1371862A1 Self-drilling fastener |
| 12/04/2003 | US20030224864 Locking thread cold forming tool |
| 09/24/2003 | EP1346783A2 Method for threading inlets formed by drawing, particularly for manufacturing elements of radiators and the like |
| 09/24/2003 | CN1121914C Method for maochining rod body of anchor bolt and special equipment for machining spiral thread segment of rod body |
| 09/18/2003 | WO2003011508A3 Thread former or tap |
| 08/20/2003 | CN2566970Y Automatic coiling machine for steel wire screw |
| 08/06/2003 | CN2564296Y Threading machine |
| 07/30/2003 | CN1116144C Technology for machining spiral thread without axle by cutting multi start thread with cuting torch and separating |
| 05/28/2003 | CN1419977A Rotary shaft with screw and mfg method thereof |
| 05/22/2003 | US20030095850 Screw shaft and method of manufacturing the same |
| 05/20/2003 | US6565302 Thread forming screw |
| 04/24/2003 | US20030078109 Thread forming tap |
| 04/23/2003 | CN2546127Y Rethreading machine |
| 02/19/2003 | CN1397398A Technology for making tapping screw by thread-rolling die |
| 02/13/2003 | WO2003011508A2 Thread former or tap |
| 02/04/2003 | US6514148 Thread rolling tap |
| 12/18/2002 | CN2526118Y Screwplate for rolling moulding self-tapping locking screws |
| 11/28/2002 | WO2002094491A1 A thread forming tool with annular ridge |
| 11/28/2002 | WO2002094490A1 A thread forming tap with a non-circular cross-section and radially extending cutting edges |
| 10/23/2002 | EP1250200A2 Method for making a bung for a metal cask |
| 09/10/2002 | US6446520 Driving force transmission shaft made of aluminum or alloy with anodized surface externally fitted to bearing; wear and friction resistance |
| 09/10/2002 | CA2265529C Cold forming tap having internal finish cutting edge and method of producing the same |
| 07/10/2002 | CN2499158Y Screw rolling machine for inner thread |
| 07/10/2002 | CN1357419A Horizontal steel wire drawing bench with tetradic drawing plate |
| 07/04/2002 | DE10064714A1 Selbstfurchende Schraube Self-tapping screw |
| 07/03/2002 | EP1219840A1 Self-tapping screw |
| 06/27/2002 | US20020081171 Thread forming screw |
| 05/22/2002 | CN2492334Y Screw bolt roller with adjustable bolt diameter and lift angle |
| 05/22/2002 | CN2492333Y Rotary thread roller |
| 05/15/2002 | CN1084647C Method for producing fully-threaded, bright, high strength and very long screw bolt |
| 03/13/2002 | CN2481432Y Thin wall metal pipe tapping machine |
| 03/06/2002 | CN1338346A Technology for manufacturing ballscrew gear |
| 03/06/2002 | CN1338345A Technology for machining spiral thread without axle by cutting multi-stat thread with cutting torch and separating |
| 02/27/2002 | CN1337289A Machining process of adjusting bolt |
| 02/07/2002 | WO2001053021A3 Method for making a bung for a metal cask |
| 02/06/2002 | CN2475499Y A screw thread rolling machine for reinforcement end |
| 01/30/2002 | CN2474257Y Reinforced bar straight thread roller head |
| 01/02/2002 | CN2468647Y Feeding mechanism for automatic thread-making machine |
| 01/02/2002 | CN2468646Y Adjusting mechanism for automatic thread-forming tool |
| 01/02/2002 | CN2468645Y Machine for forming thread on irregular cross section rod |
| 12/19/2001 | CN2465849Y Ribbed bar end rib-stripping thread-rolling apparatus |
| 11/28/2001 | CN2461690Y Helical shaped self-tapping screw maker mould |
| 11/28/2001 | CN2461689Y Special production equipment for shaped precision helical steel pipe |
| 11/21/2001 | CN2460237Y Cold-temp. extruding profiling die of internal-external circul helical gear |
| 10/10/2001 | CN2452664Y Machine for making screw on steel bar |
| 09/26/2001 | CN2449841Y Stage helical internal thread core |
| 08/22/2001 | CN1309008A Method for machining spiral thread on anchor bolt |
| 08/22/2001 | CN1309000A Method for machining rod body of anchor bolt and special equipment for machining spiral thread segment of rod body |
| 08/16/2001 | US20010014625 Thread rolling tap |
| 08/01/2001 | CN2440614Y Die for shaping screw on drill tail |
| 07/26/2001 | WO2001053021A2 Method for making a bung for a metal cask |
| 07/26/2001 | DE10002756A1 Thread cutter for producing internal threads has at least two cutting sections with separating point in between to allow worn section to be removed and work continued with second section |
| 06/27/2001 | CN2436257Y Multi-thread spiral channel heat-exchanging pipe |
| 06/21/2001 | DE19958827A1 Gewindefurcher und dessen Anwendung Forming taps and its application |
| 06/13/2001 | EP1106292A1 Forming tap and its use |
| 06/06/2001 | CN2433030Y Hard alloy screw mould |
| 04/17/2001 | US6217267 Cold forming tap having internal finish cutting edge and method of producing the same |
| 03/28/2001 | CN2424857Y Improved screw forming mould |
| 01/17/2001 | CN2414868Y Thread rolling device for reinforcing bar |
| 01/17/2001 | CN2414867Y Wheel seat type thread rolling device |
| 01/17/2001 | CN1280047A Technological method for upsetting and rolling steel bar joint screw thread |
| 01/03/2001 | CN1278466A Thread reaming machine |
| 11/22/2000 | CN2406761Y Threading machine |
| 11/01/2000 | CN2403534Y Ribbed reinforcing bar ends screw automatic radial roller pressing machine tool |
| 10/04/2000 | CN2399141Y Circular steel, ribbed reinforced bar screw rolling appts. |
| 09/20/2000 | CN2396917Y Straight thread screw rolling machine |
| 09/14/2000 | DE19911308A1 Device for grooving flow holes and threaded grooves has flow hole grooving member mounted coaxial behind threaded grooving member on single tool with adjustable drive speed |
| 09/06/2000 | CN2394745Y Steel bar with rib equal strength peeling rib rolling press straight screw processing equipment |
| 09/06/2000 | CN2394744Y Adjustable rolling ball structure for power unit of internal screw thread cutter |
| 07/26/2000 | CN2389032Y Upper cover for rear-support mechanism of screw formation machine |
| 06/21/2000 | CN2383608Y Uniform strength straight thread roller for rebar ends |
| 06/07/2000 | CN1255417A Technology for manufacturing fully-threaded bright and high-strength very long screw bolt |
| 08/04/1999 | EP0933157A1 Cold forming tap with inside diameter finish blade and method of manufacturing same |
| 07/15/1999 | WO1999035419A1 Feed screw and method of manufacturing the same |
| 03/31/1999 | EP0739256B1 Method of making a screw thread on a corrugated bar |
| 01/28/1999 | WO1999003631A1 Cold forming tap with inside diameter finish blade and method of manufacturing same |
| 01/06/1999 | CN2302861Y Machine for working screws on ends of reinforcing steel bar |
| 08/25/1998 | US5797710 Thread forming tap |
| 08/18/1998 | US5795120 Reduced-friction thread forming or thread cutting screw |
| 06/25/1998 | DE19653394A1 Tool for making through hole with internal thread |