| 摘要 |
In a container formed of resin in which a concave portion 12 is provided adjacent a vertical center portion of a body portion 4, the concave portion 12 includes a bottom face 13, an upper inclined face 14 continuous from an upper side of the bottom face 13 and a lower inclined face 15 continuous from a lower side of the bottom face 13, and the upper inclined face 14 and the lower inclined face 15 are inclined such that these upper and lower inclined faces 14, 15 are located closer to each other toward the bottom face 13 side, inclination of the lower inclined face 15 is set smaller than inclination of the upper inclined face 14, and there is provided a vertical groove 18 extending from the bottom face 13 to the lower inclined face 15. |
