| 摘要 |
<p>Protective covering for beverage cans with breakable opening in the lid, with a circular top surface (1) and circumferential lateral surface, that consists of conical strip (3) and cylindrical strip (2) between the top surface (1) and conical strip (3). Conical strip (3) has on its internal circumferential wall unilateral wedge (4) whose front surface (5) is parallel to the top surface (1) and whose working surface (6) is convergent to the conical strip (3). The protective covering can be used to protect the lid and upper wall of a can from dirt.</p> |
