| 摘要 |
PROBLEM TO BE SOLVED: To allow visual confirmation that the connecting of a hose is completed, completely prevent coming out of the hose accompanying loosening of a holding ring, and positively seal the hose and a nipple by appropriate pressing of the holding ring. SOLUTION: The holding ring 2 is reversely moved by pulling out of the hose H. Thereby, an inner peripheral face 2a of the holding ring 2 is made to continuously press on an outer peripheral face H1 of the hose H, and is connected to the hose H unable to be pulled out, and at the same time, a mark part 2e of the holding ring 2 protrudes to the outside to be visual from an opening 3c of a cap 3. A locking means 2f is formed on the mark part 2e for locking to an opening edge 3b of the cap 3, and the locking means 2f that has reversely moved by pulling out of the hose H is locked with the opening edge 3b of the cap 3 to be immovable in the hose inserting direction. COPYRIGHT: (C)2009,JPO&INPIT
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