FEMALE SIDE STRUCTURE OF PIPE JOINT AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a female side structure A of an easily manufacturable pipe joint.

SOLUTION: A curled outer flange part 3 and a large diameter short cylindrical part 4 in which a male side structure B on which a seal material S is fitted is inserted are formed integrally with a metal pipe 1 at the end part 2 of the metal pipe 1 by plastic working.

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