| 摘要 |
<p>PURPOSE:To arrest intrusion of hot and cold water existing on a surface on which a bottle is placed from a slit serving as an inlet of an outside air into between an outer layer and an inner layer forming the bottle to obtain a hygienic and safe use state and to obtain a stable mechanical strength. CONSTITUTION:A bottle is composed of an outer layer of a fixed shape and an inner layer 3 releasably laminated inside the outer layer to form an inner bag. A slit 10 serving as an inlet port of an outside air into between the outer layer and the inner layer 3 is formed in a mold pinch-off part 9 molded on the upper part of a body part 4 including a mouth part 5. In this manner, the slit 10 is spaced from a surface on which the bottle 1 is placed. The outer layer of the bottom part of the bottle 1 is left uncut.</p> |
