| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for protecting consumers in terms of sanitation by closing a mouthpiece of a can beverage container or the like which is sold by a vending machine or the like. <P>SOLUTION: In an embodiment, consumers are protected in terms of sanitation by covering the mouthpiece with a cap made of a styrene foam using corn as a raw material and even if the cap becomes waste when the container is collected, it dissolved into soil comparatively early to become nutrition for the soil. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
