Patent ID: 6062605
Filing Date: 2000-05-16
Classification: F16L

Abstract:
A weldless joint including:two pipes to be connected at their respective ends by the weldless joint, the pipes capable of being moved during connection without rotation inside a joint body;a gasket having two sides that contact the ends of the two pipes for sealing the connection of the two pipes;a fastening member which is screwed into the joint body to connect the two pipes;two packings, each mounted on the end of a pipe, and contacting and compressing each other during connection of the pipes;the gasket and the two packings providing a double-seal to the ends of the two pines when the two pipes are connected; andthe two packings being in contact with the joint body to prevent leakage of gas from inside of the joint body to the outside thereof when the fastening member is unscrewed sufficiently to provide a clearance between the ends of the two pipes.