| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a portable water storage tank in which daily care and action by a person for securing drinking water are not required to provided storage of new drinking water for emergency such as an accident or disaster at all times, and which can be speedily removed to be transported. SOLUTION: A supply water port 2 of a water storage tank 1 is connected to a city water pipe 7 to supply city water, and a discharge port 3 is connected to a water discharge facility 12 such as a cock through an air vent valve 6. By opening a stop cock 10, city water flows from the supply water port 2, air in the portable water storage tank 1 is discharged from an air vent valve 6 installed on the discharge port 3, and the portable water storage tank 1 is filled with city water. When city water is used, the water discharge facility 12 such as the cock is opened, so city water is discharged to be used through the portable water storage tank 1 by pressure of city water. Constantly new city water is thus supplied and circulated, the portable water storage tank 1 is kept in a water-filled condition, stored water is set as drinking water as stock, and by detaching connection parts of the supply water port 2 and the discharge port 3, the portable water storage tank 1 can be carried by hand out in the water-filled condition.</p> |
