| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packing material allowing securement of visibility of print display of the surface of the packing material by suppressing frost that adheres to the surface of the printed packing material in a distribution process of a package or during rapid cooling of a content in chilling when obtaining a vacuum package. <P>SOLUTION: This packing material 1 includes: an inner bag 11 storing a hamburger as the content; and an outer bag 12 which covers the inner bag 11 and is joined to the inner bag 11. A part of a portion 1s wherein the inner bag 11 and the outer bag 12 are joined is formed with an air passage 1p, and a space between the inner bag 11 and the outer bag 12 communicates with the atmosphere through the air passage 1p. The inner bag 12 can be a three-sided bag or a pillow type bag formed by thermally fusing edge parts of two laminated bodies each having at least a base layer 11a and a heat seal layer 11b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
