PIPE INNER FACE REPAIRING JOINT

摘要

PROBLEM TO BE SOLVED: To provide a pipe inner face repairing joint capable of remarkably improving leakage preventing effect.

SOLUTION: The pipe inner face repairing joint for liquid-tightly connecting one side pipe body with other side pipe body includes: a main rubber ring disposed so as to reach from an inner surface of the one side pipe body to an inner surface of the other side pipe body; one side auxiliary rubber ring interposed between the inner surface of the one side pipe body and the main rubber ring; other side auxiliary rubber ring interposed between the inner surface of the other side pipe body and the main rubber ring; one side expansion band disposed on the inner surface of the one side pipe body of the main rubber ring so as to press the main rubber ring into contact with the inner surface of the one side pipe body; and other side expansion band disposed on the inner surface of the other side pipe body of the main rubber ring so as to press the main rubber ring into contact with the inner surface of the other side pipe body.

COPYRIGHT: (C)2012,JPO&INPIT