| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water storage tank capable of reusing a sheet. <P>SOLUTION: This water storage tank T has a plurality of bottomed cylindrical first pallets 31 having a plurality of through-holes 31b and 31d on a bottom wall 31a and a side wall 31c, a second pallet 32 placed on a laminated body of these first pallets 31, the sheet 2 formed in an upper surface opening type vessel shape by wrapping an under surface and a side surface of the laminated body of laminating these pallets 3, a recessed part 1 for arranging the pallets 3 and the sheet 2, a pump 5 pumping up water in the vessel-shaped sheet 2 to an external part, a delivery pipe 6 connected to the pump 5 and introducing the water in the vessel-shaped sheet 2 to the external part, and an overflow pipe 7 draining surplus water to the external part among the water introduced into the vessel-shaped sheet 2. When bending the sheet 2 along the under surface and the side surface of the laminated body of the pallets 3, an excess part of the sheet 2 is supported by being sandwiched by the laminated body and the recessed part 1. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
