| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve workability at the time of setting a tank by providing an integrally molded rib projecting downward from a bottom wall of a tank main body. SOLUTION: A tank composed of a tank main body made of a resin having a pouring port at a bottom thereof is provided with a rib 71f projected downward from a bottom wall of the tank main body 71. In this case, the bottom wall of the tank main body 71 is made slantingly lower toward a specified portion (lower end of front wall) of a circumferential wall of the tank main body 71, and the pouring port 71b is provided in the specified portion of this circumferential wall. The rib 71f is provided so as to extend up to a portion corresponding to the pouring port 71b, while a groove 71f1 is provided in an inner face of the bottom wall in such a manner as to correspond to the rib 71f. Thus, a bottom face of the groove 71f1 at its portion corresponding to the pouring port 71b is made to substantially coincide with a lower end of the pouring port 71b.</p> |
