| 摘要 |
<p>To provide a plastic bottle (1) whose weight can be reduced without sacrificing strength of a bottle mouth (2), the plastic bottle (1) is provided with a bottle mouth (2) having a circumferential wall (10), including a threaded section (16) formed on an outer circumferential surface of the circumferential wall (10), a support ring protruding from the outer circumferential surface below the threaded section (16), and punched sections (24) formed on the circumferential wall (10).</p> |
