| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lid with barrier property having highly improved barrier property, sealing ability for cups, and ease of opening in comparison with the conventional products. <P>SOLUTION: An innermost layer 7 is a resin layer including a polyethylene sealant layer 8, and a metal foil layer 10 is attached to the outside of the resin layer of the innermost layer 7 via an adhesive layer 9. The innermost layer 7 is provided with a plurality of weakened portions 11 extending radially from the center. The weakened portions 11 facilitate tearing the innermost layer 7 and also the metal foil layer 10, thereby facilitating opening of the lid. <P>COPYRIGHT: (C)2010,JPO&INPIT |
