| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a joint which can easily manufacture the joint having rigidity allowing the joint employed to even a high-pressure hose, comprising a protection member of the hose, and using a female nut larger in an outside diameter than the protection member as a connecting member, and the hose which is obtained by the method.SOLUTION: There is provided a manufacturing method of a joint which comprises a tubular core body 10 and an outer cylinder 20 arranged at an external periphery of the core body at one end side of the core body, and an insertion hole 31 into which an insertion part 11 formed at the other end side of the core body is inserted, and also includes a female nut 30 comprising a female thread part 32 having an inside diameter larger than an inside diameter of the insertion hole at an end opposite to the insertion hole, and an annular member 40 having an outside diameter which is larger than the inside diameter of the insertion hole of the female nut, and smaller than an inside diameter of the female thread part of the female nut, and externally fit to the insertion part of the core body and fixed thereto. After inserting the insertion part 11 of the core body into the insertion hole 31 of the female nut, the annular member 40 is externally fit to the insertion part of the core body from the tip part side of the insertion part, and fixed thereto. |
