| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a film-like lid having excellent heat sealability to a container and excellent piercing openability by a straw. <P>SOLUTION: The film-like lid applied to a flanged container by heat seal is constituted in the order of a non-oriented polypropylene layer, an aluminum foil layer and a biaxial oriented polyester resin layer from at least an inner side to an outer side. The non-oriented polypropylene layer and the aluminum foil layer are joined with each other by using adhesive resin consisting of powder-like modified polypropylene, and heated at a temperature in a vicinity of the melting point of polypropylene. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
