| 摘要 |
A piping joint 80 is such that a male member (joint 81) can be fastened to a female member (socket 82) by locking pawls 85c, 85c of a retainer sleeve 85 onto pawl engaging portions 82b, 82b and pressing a flange 81c by the tip ends of the pawls 85c, 85c, and the male member (joint 81) can be disengaged from the female member (socket 82) by reducing the diameter of the retainer sleeve 85 and disengaging the pawls 85c, 85c from the pawl engaging portions 82b, 82b. In above condition, a ring member 86 formed of an elastic material is provided that is inserted between the retainer sleeve 85 and a cylinder portion 81b in a locked condition, and reduction of the diameter of the retainer sleeve 85 is prevented by the presence of the ring member 86. The work of connecting or detaching the piping joint can be carried out in the condition where a holding force of the piping joint is maintained.
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