| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightweight packaging container which is obtained by thermal molding of a foamed resin sheet, and which avoids a blocking phenomenon when the packaging containers are stacked up, and further enables the contained food to look nice. <P>SOLUTION: In the packaging container 1 obtained by thermal molding of the foamed resin sheet, recessed ribs 5 are formed from the upper end of a side wall 3 to a bottom surface 2 on the outside surface of the container 1, and the inside surface of the container 1 is a smooth surface where recessed ribs are not formed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
