CAPPING METHOD AND CAPPING DEVICE

摘要

PROBLEM TO BE SOLVED: To perform an efficient and positive closing of an aluminum bottle container. SOLUTION: An aluminum cap member 110 having a liner at a cup-shaped top inner surface is fitted to a container opening 100a. A side surface of the cap member 110 is depressed against a thread formed at the container opening 100a under a state in which the top surface of the cap member 110 is depressed against the container opening 100a. After the thread of the cap member 110 is formed, the cap member 110 and the container opening 100a are relatively rotated in such a way that the thread is fastened.