| 摘要 |
PROBLEM TO BE SOLVED: To provide a plug-type cap to be separately collected comprising an inner plug having a protruding line to be pressurized and locked with a recessed line formed on an outer periphery of a container mouth and an outer lid wherein the cap can be extremely easily removed at the time of collection of containers. SOLUTION: The cap to be separately collected comprises a cylindrical wall 1 having a protruding line 3 to be pressurized and locked with a recessed line of a container mouth, an upper wall 2 integrally provided with the wall 1 which can form a passage, a fixed cylinder 5 provided on the upper wall 2, an outer lid 4 to be mounted on the fixed cylinder 5, two weakening lines 9, 9 formed from an upper end 7 of the fixed cylinder 5 to the cylindrical wall 1 with at least one line reaching a lower end 8 of the cylindrical wall 1 and a weakened part 11 extending from an upper contact 10 in pressure contact with an upper part of the container mouth and reaching a middle in a vertical direction of the weakening lines 9, 9. |
