| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hydrant device capable of easily draining water within a hose after a water discharge test, etc. <P>SOLUTION: The hydrant device includes: a discharge means connection port 11 disposed between a hydrant valve 9 and the hose 4, detachably connected to a connection port 28 of the high-pressure fluid discharge means 24 for discharging high-pressure fluid, and also serving as a travelling body insertion port 16; and an elastic travelling body 23 inserted from the discharge means connection port 11 and formed in such dimensions as to pressure-contact the inner peripheral surface of the hose 4. By discharging the high-pressure fluid from the high-pressure fluid discharge means 24 to the downstream side via the discharge means connection port 11, the travelling body 23 is made to travel from the proximal end side 4a to the terminal end side 4b of the hose 4. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
