| Patents for B23G 1 - Thread cutting; Automatic machines specially designed therefor (3,392) |
|---|
| 10/06/1999 | CN2341739Y Lever type movable rib lathe |
| 09/15/1999 | CN2338121Y Apparatus for thread cutting of tube or pipe |
| 09/15/1999 | CN2338120Y Machine for thread cutting inner screw of polygon screw nuts |
| 09/09/1999 | DE19819815C1 Thread cutting tool die |
| 09/02/1999 | DE19806608A1 Workpiece processing with grinding tool |
| 09/01/1999 | CN2335727Y Automatic apparatus for machining sloping teeth of steel pipe joint ends |
| 08/31/1999 | US5944465 Low tolerance threaded fastener |
| 08/25/1999 | CN2334530Y Multi-purpose machine capable of steel pipe cutting, end milling, threading and pipe dredging |
| 08/19/1999 | DE19805637A1 Thread cutting device for making threads in workpieces |
| 08/18/1999 | EP0935509A1 Steerable toolholder |
| 08/12/1999 | WO1999039856A1 Improved parts and subassemblies for self-reversing tapping attachments |
| 08/10/1999 | US5934846 Chuck |
| 08/10/1999 | US5934385 Tapping tool and method for driving or controlling a tapping tool with pressurized fluid |
| 08/05/1999 | WO1999010127A3 Improved parts and subassemblies for self-reversing tapping attachments |
| 07/14/1999 | EP0928657A1 Tap |
| 07/14/1999 | CN1222424A Backward cutting process of left-handed thread without recess |
| 07/08/1999 | WO1999033416A1 Hobble turning method and preferred application for said method |
| 07/07/1999 | CN2327485Y Clamp with overload protector for screw chasing machine |
| 07/07/1999 | CN2327484Y Pipe cutter for electric hand screw chasing machine |
| 07/01/1999 | DE19757799A1 Verfahren zum Humpeldrehen und bevorzugte Anwendung des Verfahrens A method for Humpeldrehen and preferred application of the method |
| 06/30/1999 | CN2326378Y Gear-driven multi-station tapper |
| 06/30/1999 | CN1220928A Small-diameter screw-hole tapping device |
| 06/17/1999 | DE19754518A1 Tap and die-holder adapter for machine cutting screw threads |
| 06/08/1999 | US5910199 Method and apparatus for fast threading pullout in a numerically controlled threading application |
| 06/02/1999 | CN2321571Y Backward-forward rotation mechaism for threading device |
| 05/14/1999 | WO1999008005A3 Low-tolerance threaded fastener |
| 04/14/1999 | EP0908268A2 Threading machine coolant system and method of cooling |
| 04/14/1999 | CN1213597A Threading machine coolant system and method of cooling |
| 03/10/1999 | EP0900617A2 Improvements relating to screw threads |
| 03/04/1999 | WO1999010127A2 Improved parts and subassemblies for self-reversing tapping attachments |
| 02/18/1999 | WO1999008005A2 Low-tolerance threaded fastener |
| 02/18/1999 | DE19735340A1 Method for threaded milling |
| 02/10/1999 | CN2306858Y Milling machine for working sleeve |
| 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 |
| 02/02/1999 | US5865575 Self-reversing tapping attachment with shock absorption |
| 01/20/1999 | CN2304498Y Small size screwing apparatus |
| 01/14/1999 | DE19729263A1 Threading device cuts several threads simultaneously into punched metal parts |
| 01/13/1999 | CN2303699Y Screw-thread rotary cutting apparatus |
| 01/12/1999 | US5857814 Apparatus for controlling tapping-drilling machine |
| 12/30/1998 | CN2302082Y Portable hand and electric operated pipe thread-processing machine |
| 12/23/1998 | EP0885680A2 Screw thread cutting device |
| 12/23/1998 | CN2301284Y Front and rear synchronous double-thread clamping piece drive contol mechanism for thread-cutting machine |
| 11/11/1998 | CN2296789Y Portable thread processor |
| 10/27/1998 | US5826469 Threading machine coolant system and method of cooling |
| 10/22/1998 | WO1998046388A1 Tool producing internal thread |
| 10/01/1998 | WO1998042470A1 A machining assembly and a method |
| 09/24/1998 | WO1998041358A1 Device for cycle-machining free-form member |
| 09/15/1998 | US5808893 System for adapting an automatic screw machine to achieve computer numeric control |
| 08/13/1998 | DE19722257C1 Thread cutting device |
| 07/22/1998 | EP0853525A1 Tapping tool and method for driving or controlling a tapping tool with pressurized fluid |
| 07/09/1998 | DE19800163A1 Verfahren zur Reduzierung von metallischem Abrieb in einem Mehrkomponentenmetallgehäuse für ein Strömungsmittel A method of reducing metal wear in a multicomponent metal housing for a fluid |
| 05/07/1998 | WO1998018589A1 Steerable toolholder |
| 04/22/1998 | CN2279234Y Portable water pipe screw automatic processing machine |
| 04/08/1998 | CN1178150A Method and apparatus for machining internal thread with hydraulic driving tools |
| 03/31/1998 | US5733199 Method and device for threading nut blanks |
| 03/31/1998 | US5733198 Thread cutting machine and thread cutting method |
| 03/31/1998 | US5733078 For generating an internal thread in a workpiece |
| 03/17/1998 | US5727910 Milling and drilling tool |
| 02/17/1998 | CA2110788C Internal thread forming apparatus |
| 01/28/1998 | CN1171512A Cutting and threading machine for pipe |
| 01/22/1998 | DE19629352A1 Adaptor with two=ended female connector for use with ratchet fastener drive |
| 01/06/1998 | US5704738 Tool attachment assembly |
| 12/31/1997 | CN2271426Y Hose thread rolling appts |
| 12/18/1997 | DE19622315A1 Device for manufacture of circular recesses in solid material |
| 12/17/1997 | EP0783389A4 System for adapting an automatic screw machine to achieve computer numeric control |
| 12/17/1997 | CN2270586Y Reinforcing steel connecting thread machining equipment |
| 11/19/1997 | EP0807481A1 Tool attachment assembly |
| 11/12/1997 | EP0806270A1 Torque adjuster |
| 11/12/1997 | CN2267118Y Machine for cutting thread for steel bar |
| 11/05/1997 | CN2266477Y Stepless speed variable tapping machine |
| 09/10/1997 | CN2261906Y Multifunctional automatic thread machine for cutting steel bar |
| 09/02/1997 | US5662524 Device for the machining of tube ends |
| 08/13/1997 | CN2259488Y Combined tyre tool for repairing valve sleeve |
| 08/05/1997 | US5654894 Gain changing control system for a threading apparatus |
| 07/16/1997 | EP0783389A1 System for adapting an automatic screw machine to achieve computer numeric control |
| 07/15/1997 | US5647803 Thread cutting device |
| 06/18/1997 | CN2256355Y Repairing device for screw thread |
| 06/17/1997 | US5639191 Short coupled hydraulic lead screw tapping apparatus |
| 05/28/1997 | CN2254798Y Equipment for thread cutting external cylindrical work-piece |
| 05/13/1997 | US5628593 Readily disassembleable tapping attachment with quick change replaceable and maintainable parts and method |
| 05/07/1997 | DE19644694A1 Drilling/thread-cutting machine control device |
| 05/07/1997 | CN2253681Y Machine-driving thread-cutting device |
| 05/06/1997 | US5626064 Lathes for cutting straight and helical threads |
| 04/16/1997 | CN1147435A Single-forming internal thread milling technology |
| 03/26/1997 | CN2250219Y Portable tapping machine |
| 03/18/1997 | US5611734 Apparatus for producing wooden threads |
| 02/26/1997 | CN2248113Y Automatic thread-cutting lathe |
| 02/19/1997 | CN2247579Y Thread cutter structure device for automatic lathe |
| 02/19/1997 | CN2247578Y horizontal single-spindle double-head Motor-driven threading machine |
| 02/18/1997 | US5603590 Multispindle thread cutter apparatus |
| 02/04/1997 | US5598618 Mainrotor machining process and apparatus |
| 01/23/1997 | WO1997002110A1 Tapping tool and method for driving or controlling a tapping tool with pressurized fluid |
| 12/11/1996 | CN2242153Y Device for threading steel bar end taper thread |
| 12/04/1996 | CN2241598Y Screwing frame for processing female and male thread |
| 11/27/1996 | CN2241034Y Pipe fitting thread-lathe |
| 11/20/1996 | CN2240410Y Portable treading machine |
| 11/20/1996 | CN2240409Y Double-operation semi-automatic tapper |
| 11/20/1996 | CN2240408Y Three-operation semi-automatic tapper |
| 11/12/1996 | US5573357 Portable, handheld, power tool |