| 摘要 |
<p>A bottle cap is provided to produce a delicious beverage all the time by storing the proper quantity of material correspondently to the volume of a bottle and mixing the material with the water. A bottle cap(100) is composed of a cap unit(10) having a cubic space(105) for storing material(M) and a screw portion(103) formed on an inner surface(107) of the cubic space, and a lead unit(20) for closing up the cubic space. The lead unit is obliquely installed in the cubic space to cross the screw portion. The lead unit is formed in the type of a thin film. The lead unit is made of resin, metal or papers. The cap unit has an upper end portion(101) for cutting off the cubic space from the outside. The upper end portion of the cap unit is separated from the screw portion.</p> |
