JOINT BODY FOR TUBE JOINT, TUBE JOINT, AND METHOD OF MANUFACTURING JOINT BODY

摘要

PROBLEM TO BE SOLVED: To equip a strainer easily at a low cost without causing a cost increase or an increase of installation space. SOLUTION: This joint body for a tube joint has a body part 5 and a tubular part 6 provided projecting from the body part 5 and having an external thread 7 on the outer periphery. A seal part S sticking to at least one of a clearance between an annular large diameter part 11a and the inner peripheral surface of a tube end 4T and a clearance between the outer peripheral surface of the tube end 4T and the inner peripheral surface of the tubular part 6 by screwing to the inner side by fastening a union nut 3 in the fittingly mounted state of the end 4T of a fluororesin tube 4 is formed between the inner surface of the tubular part 6 and a ring outer peripheral surface having the annular large diameter part 11a protruded to the outside of the diameter of the inner ring 2. The joint body is integrally equipped with the strainer B acting on a fluid transfer passage 1W of the body part 5. COPYRIGHT: (C)2010,JPO&INPIT