| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an easily removable wine cork with which an opener is allowed to be vertically stuck easily smoothly when removing the cork plug from a wine bottle by the wine opener. <P>SOLUTION: A helical hole is formed in the cork (a material other than cork may be used) plug. <P>COPYRIGHT: (C)2011,JPO&INPIT |
