HOSE FITTING, MANUFACTURE OF IT, AND BRAKE HOSE

摘要

PROBLEM TO BE SOLVED: To dispense with a unnecessary spare caulking process as well as to prevent cracking to be generated caused by stress concentration of a socket part by caulking. SOLUTION: A hose fitting 11 is provided with a socket part 14 extending from a head part 13 in one direction and a nipple part 15 coaxially formed in the socket part 14, and it caulks and fixes the socket part 14 after inserting a hose between the socket part 14 and the nipple part 15. A thick part 14b thicker than the tip side 14a is provided on the connecting part of the socket part 14 to the head part 13. A radius contracting surface 17b having the inside diameter smaller than that of the tip side inner circumferential surface 17a is formed on the head part side inner periphery of the socket part 14.