| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a plastic bottle whose body part having proper rigidity is not easily deformed but at the same time is easily foldable after use. SOLUTION: This blow mold plastic bottle is provided with a plurality of horizontal ribs R projecting inward and extending in a peripheral direction on its body part. A projection part T is formed in a part of the horizontal rib R, and the body part is made foldable at the projection part T. The horizontal rib R is provided with a discontinuous part in the peripheral direction of the body, a projection part T is formed in a pair of facing body part, the projection part T is formed arranged in a straight line form, the projection part T is formed in a symmetrical position with the center axis in the vertical direction of the bottle, and the projection part T is formed in a height not exceeding the body wall face L of the body part.</p> |
