| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the recycling of a metal aerosol container as metal by a method in which the disengagement between a housing and the aerosol container is made impossible when the container is used, and the housing and a valve mechanism, which are made of a synthetic resin, can be removed from the metal container without hindering use/operation properties after the completion of the ejection of aerosol contents. SOLUTION: A housing 7 is arranged vertically movably on the inner surface of a shoulder cover 5 fixed at the upper end of an aerosol container 1. the engagement of the corresponding uneven part 22 of a cap 20 and the uneven part 21 of the shoulder cover 5 is made impossible when the pressure of the container 1 is high and possible when the pressure is low. During the engagement, the cap 20 and the cover 5 are rotated integrally in the lifting direction of the engagement so that the housing 7 can be removed. |
