| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an oxygen-absorbing plastic cap which prevents oxygen from entering from the outside of the cap of a container, a wide-mouthed container in particular, and also has a function of absorbing and eliminating the oxygen remaining in a hermetic container to a low concentration. <P>SOLUTION: The oxygen-absorbing plastic cap has, sequentially from the top face, an oxygen barrier layer, an oxygen absorbing layer and a gasket layer stacked inside a cap shell top face in a plastic cap to be used for hermetically sealing a container mouth. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
