The United States Steel has been granted a patent for a unique threaded pipe connection design. The connection features wedge-shaped threads on the pin and box members, with varying widths and taper ...

Daido Steel has been granted a patent for a threaded connection for steel pipes. The connection includes a pin and a box, with both having annular shoulder surfaces, sealing surfaces, and thread parts ...

Definition of Autonomous Threaded Connection in Tool Joints for Drilling Pipe An **autonomous threaded connection** in tool joints for drilling pipe likely refers to a specialized threaded connection ...

The threaded design of double-threaded silicon carbide rods mainly has the following functions: - Convenient for installation and fixation - Double-threaded silicon carbide rods are usually used in ...