| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pull open cap that eliminate dilemma of setting respective thicknesses of a weakened part and a to-be-opened part with regard to breakage of the weakened part to prevent the breakage of the weakened part due to an impact of capping the cap or a pressure change inside a container, and can be easily opened by a user. <P>SOLUTION: The pull open cap 1 includes a to-be-opened part 6 determined in a top face wall 4 of a cap body 2 by the weakened part 5, and a tearing means 9, such as a pull ring, which enables tearing of the to-be-opened part 6. An irregular surfaces 6b is formed on the inner face of the to-be-opened part 6. <P>COPYRIGHT: (C)2010,JPO&INPIT |
