| 摘要 |
<p>In a bottle (1) with a bottomed cylindrical shape including a body portion (2) having an approximately square cross section, a plurality of concave lateral ribs (122) extending in a periphery direction of the bottle are formed on the body portion with intervals interposed therebetween in an axial direction of the bottle, an innermost portion (123) of the lateral rib recessed to the interior of the body portion in a diameter direction is formed to have a circular cross section, and, in the body portion, a concave longitudinal rib (125) extending in the axial direction is formed on body portion surfaces (21) formed between four corner portions (20) of the body portion.</p> |
