| 摘要 |
PROBLEM TO BE SOLVED: To provide a plastic bottle excellent in buckling resistance, and a beverage product filled in it, for the purpose of the present invention.SOLUTION: The plastic bottle 100 on the present invention has a shape of continuously connecting a port part 10, a shoulder part 20, a body part 30 and a bottom part 40 in order, and a plurality of walls 50 each becoming a repetitive constitutional unit are juxtaposed and arranged in the whole or a part of the body part, and the wall becoming the repetitive constitutional unit is a composite wall composed of a first pentagonal wall 51 surrounded by the five sides of the base, the left side and the right side vertically standing from both ends of the base, the left oblique side and the right oblique side for forming the apex of an acute angle by mutually approaching from the respective tail ends of the left side and the right side and a second pentagonal wall 52 having a line symmetry shape with the base of the first pentagonal wall as the symmetrical axis, and the base forms a projecting trough line 2 in the inner direction of a vessel, and the left side, the right side, the left oblique side and the right oblique side form projecting ridgelines 3 and 4 in the outer direction of the vessel, and the ridgelines respectively form a common ridgeline between the adjacent repetitive constitutional units. |
