| 摘要 |
PROBLEM TO BE SOLVED: To enable connection by one common pipe body even in the case of a screw connection system wherein one pipe body side connected to the other pipe body has a screw part and even in the case of an insertion connection system wherein connection is effected through a clamp member after an outer insertion cylinder part is inserted externally of one pipe body. SOLUTION: A female screw part 24 and a fit-in surface 26 are formed on one pipe body 10. In the case of the other pipe body 12 of an insertion connection system, the external insertion cylinder part 30 of the pipe body 12 is inserted in the pipe body 10 and fitted in a fit-in surface 26 in a watertight manner through an O-ring 34. In this state, the flange parts 22 and 28 of a pair of the pipe bodies 10 and 12 are clamped by an elastic clip 36 for connection. Further, in the case of a screw connection system wherein the other pipe body 12 has a male screw 50, connection is effected by screwing the male screw 50 in the female screw 24 of the pipe body 10.
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