| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a hermetic container with a high oxygen barrier property, sealability and easiness to unseal in a simple structure by providing the sealability to satisfy required conditions and easiness to unseal for consumers' convenience in unsealing while applying the high oxygen barrier property to the hermetic container. <P>SOLUTION: A portion 10 to be heat-sealed which projects upward from the upper surface 9 of a flange is provided, and the portion 10 at a portion to be unsealed 12 where a lid material 8 is to be rolled up is formed like a chevron projecting in the overhang direction of the flange. <P>COPYRIGHT: (C)2003,JPO |
