| 摘要 |
PROBLEM TO BE SOLVED: To provide a retort-sterilizable lid material applicable to a paper container. SOLUTION: The paper container lid material 20 comprises a drop lid material 24 including a seal flange 21 heat-fusibly mounted on a mouth rim of a cup-like paper container, a peripheral wall 22 provided downwardly from an inner rim of the seal flange 21 so that it can be in tight contact with an inner wall of a body of the cup-like paper container and a top plate 23 provided from a lower end of the peripheral wall 22 to close an opening in parallel to the seal flange 11, and a lid material film 25 mounted on the drop lid material 24 heat-fusibly with the seal flange 21, formed with a space 26 from the top plate 23 and formed with a lid unsealing handle 29 partially outward on the seal flange 21. |
