| 摘要 |
When opening the cap of a one-touch can, the edge of the opening is sharp often damaging the hand, which accident is news frequently appearing in mass media. A safety device is needed around the edge of the opening to protect the hand from cutting when opening the can, and so the present invention provides the edge of the opening with a safety cover made of a resilient member so as to prevent the hand from contacting the sharp edge of the opening. |
