| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a paper box for maintaining freshness which can be manufactured simply, easily and abundantly at a low cost and which can maintain freshness of a contained perishable food certainly. <P>SOLUTION: A freshness maintaining film 5, which is a plastic film for maintaining freshness of the perishable food, is laminated on the inner surface of the paper box for maintaining freshness. Since the freshness maintaining film, which is manufactured by processing in a film shape, is laminated on the inner surface of a paper plate of the paper box without coating on the paper plate, the film has a uniform thickness and is manufactured abundantly in a state with freshness maintaining function and an ideal freshness maintaining function can be materialized. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
