| 摘要 |
PROBLEM TO BE SOLVED: To prevent excessive water from being charged at the time of use and improve convenience in using. SOLUTION: The container 1 of water-addition heating type comprises a self-heat-generating container 3 housing a substance heating added water, a water storage container 4 containing a predetermined amount of water and an upper opening container 2 which can receive the self-heat-generating container 3 and the water storage container 4 equipped with a drill means inside for drilling a hole on the water storage container 4. The drill means comprises a cutter 5 and a hole expanding protrusion 6 for expanding a hole drilled by the cutter 5. The drill means may comprise the cutter and an elastic support for elastically supporting the water storage container. In addition, the container of water-addition heating type may include a safety means which prevents the drill means from drilling a hole on the water storage container when it is not in use. |
