| 摘要 |
<p>A plastic cap (2) capable of assuring a high sealing ability and advantageous for the protection of the environment because of its being readily subject to waste disposal or incineration treatment after using the container, comprises a drum part (2a) covering the mouth part of the container and sealing material (3) and a top plate (2b) positioned on a top wall of the drum part, in which the drum part has, on the inner wall thereof, a protrusion part or wedge-shaped part (2e) to be engaged with an annular protrusion on the outer periphery of the container mouth part and a window part opened at the center part of the top wall, the outer edge of the window part and the lower part of the top plate being connected through a plurality of bridge parts (2d), the top plate having a larger area than the window part and covering the window part and top wall and the bridge parts being breakable by adding a force in a predetermined direction to the top plate to separate the top plate when using the medicament.</p> |
