| 摘要 |
PROBLEM TO BE SOLVED: To provide a plastic bottle which can be easily held at a holding part thereof, and has high rigidity even when made of a thin-walled material.SOLUTION: A plastic bottle 10 includes a mouth 11, a shoulder 12, a trunk 20 and a bottom 30. The trunk 20 includes four side faces 21 and trunk boundary faces 22 positioned between respective side faces 21, and in the trunk 20, there are provided horizontal concave ribs 24 composed of side face horizontal concave ribs 24a arranged in the respective side faces 21 and boundary face horizontal concave ribs 24b arranged in the respective trunk boundary faces 22. In the boundary face horizontal concave ribs 24b of the trunk boundary faces 22, holding ribs 40 protruding outside are arranged so as to extend in the vertical direction. |
