| 摘要 |
<p>PROBLEM TO BE SOLVED: To make alien substances, if mixed in drinking water, visible, being magnified, directly from the outside of a bottle made of polyethylene terephthalate by a method wherein lenslike parts, each capable of making contents visible, being magnified, directly from the outside, are provided at the lateral of the bottle, and visibility to the inside of the bottle is magnified therewith. SOLUTION: A bottle 1, made of polyethylene terephthalate in transparency or translucency, is equipped with lenslike parts 8, each capable of making the inside visible, being magnified, directly from the outside, at the lateral of its bottle body 2. Indents 3, each in a short cylindrical shape, are provided at the outside of the bottle body 2 on positions in plural numbers. Each of the lenslike parts 8 is formed integrally with a spherical lens body 9 formed in a size available for fitting into the indent 3 embedded in the indent 3 of the bottle body 2. Therefore, contents in the bottle body 2 can be magnified by the lenslike parts 8, and function of lens available for direct visibility can be given to the bottle 1 for drinking water itself. Size and shape of the lens body 9 constituting the lenslike part 8 can be changed together with size and shape of the indent 3 of the bottle body 2.</p> |
