| 摘要 |
PURPOSE:To enable an easy molding by a method wherein a middle lid integral ly formed with a cap base body to clog an opening of the cap base body and an outer lid provided with a hanging part to hang on a hanger of the middle lid are provided, and the middle lid is constituted to be separated from the cap base part in an engaging state with the outer lid. CONSTITUTION:A thickness of a connecting part between a middle lid 4 which is integrally formed with an upper end surface of a cap base body 3 to clog an opening of the cap base body and the cap base body 3 is thin, and if an upward force is applied on the middle lid 4 to some extent, the middle lid drops off from the cap base body 3. In addition, the middle lid 4 is provided on its peripheral part with a protruded part 4a for hanging. Particularly the protruded part 4a is formed with a tapered part 4b. The integrated cap base body 3 and middle lid 4 can easily be molded by a molding means such as injection. |
