| 摘要 |
<p>A synthetic resin container, wherein a waist dividing the drum part of the container into upper and lower parts is formed of an annular groove surrounding the drum part and projected toward the inside of the container, reinforcement ribs with a level higher than the bottom of the annular groove and lower than the surface of the drum part are installed in the annular groove, lateral ribs for reinforcement having recessed parts with the same level as the surface of the container or forming a very slight step from the surface of the container are provided on the drum part of the container, a plurality of streaks converging toward the center of the drum part are provided on the drum part, and recessed multi-face walls tilted toward the converged points of the streaks are divided and formed by the streaks.</p> |
