| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a side wall panel difficult to crush by partial external pressure and impact by forming at least a part of ribs of a bent rib having a bend in a plastic bottle which is blow-molded and includes a plurality of ribs protruding inward and also extending in a peripheral direction on a body. SOLUTION: A rectangular recess O is formed longitudinally on a front side wall panel of a plastic bottle 10, and nine ribs R protruding inward and a U-shaped groove rib are provided in a peripheral direction to cross the recess O, wherein a part of them has a discontinuous part. At least a part of the ribs R as shown by a specific region A is formed of bent ribs WR having a bend. A radius of curvature of the bent rib WR is preferably 10 to 350mm, desirably 0 to 200mm, while a width W of the bent rib is preferably 0.5 to 20mm, desirably 3 to 8mm. Further a depth D of the rib R is in a range of 1 to 10mm, desirably 2 to 5mm.</p> |
