| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bottle cap for preventing the drop of an element in addition or mixing a raw material by decreasing the number of parts as much as possible. <P>SOLUTION: This bottle cap is provided with a tubular body (1) forming a path (1a) leading to the inside of a bottle being screwed and fixed on the opening of the bottle and a cover body (2) for closing the outlet end of the path (1a) of the body (1) secured freely removably on the body (1). A dome-shaped floor wall (3) protruding toward the outlet end of the body (1) is provided in the path (1a) of the body (1). The body (2) is provided with an inside wall (4) fitted surrounding the edge of the wall (3) for forming an internally sealed space (M) which is releasable by removing the body (2). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
