| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap having so-called tamper evident function or a cap enabling easy recognition of the existence of unsealing with eyes. SOLUTION: In the cap constructed such that a circular band 3 is connected to the lower end of the cap body 1, screwed to an opening of a vessel, via a bridge and that the bridge is broken by unsealing to release the cap body 1 from the opening of the vessel with the band 3 rotatably left in the opening of the vessel, marks 21 and 22 enabling recognition with eyes of the existence of relative rotation between the cap body 1 and the band 3 are mounted on the cap body 1 and the band 3, respectively. COPYRIGHT: (C)2010,JPO&INPIT |
