| 摘要 |
<p>PROBLEM TO BE SOLVED: To surely check a fire fighting hose from being slipped off while replacement of the fire fighting hose can be performed easily and quickly. SOLUTION: A recessed part 2A where the forward end part of a fire fighting hose 1 is folded and the folded part 1A is inserted from the hose connecting direction and stored is formed on a joint main body 2, a ring-like member 11 is interposed in the folded part 1B of the fire fighting hose 1, and pressing members 12 are provided for pressing at least the folded-back part 1B and the ring-like member 11 of the folded part 1A of the fire fighting hose 1 to wall surfaces 2a, 2b, 2c for forming the recessed part 2A.</p> |
