| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bottle cap with a blade which is provided with the blade of a protrusion so that the cap of a PET bottle or the like is easily opened. <P>SOLUTION: This bottle cap with a blade is characterized in that a surface of the cap (1) is provided with one or the plurality of blades (2). <P>COPYRIGHT: (C)2012,JPO&INPIT |
