| 摘要 |
PROBLEM TO BE SOLVED: To enable connection by one common pipe body even in the case that one pipe side connected to the other pipe body has a screw part, and also even in a case of an insertion connection type wherein after internal insertion or external insertion of a protrusion or a recessed fit-in surface, clamping by a clamp member is effected for connection. SOLUTION: A female screw part 24 is formed in one pipe body 10 and a recessed fit-in surface 26 continued thereto is provided. In the case that the other pipe body 12 is of an insertion connection system for a protrusion fit-in surface 35, the protrusion fit-in surface 35 is inserted in the pipe body 10, contact seal surfaces 28 and 36 are forced into watertight contact in the axial direction of a pipe through a seal member 30. In this state, a pair of the pipe bodies 10 and 12 are clamped by an elastic clip 37 by utilizing flange parts 22 and 32 and connected. In the case that the other pipe body 12 is of a screw connection system having a male screw part 50, a pair of the pipe bodies 10 and 12 are interconnected by inserting the male screw part 50 in the female screw part 24 of the pipe body 10.
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