| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lid material with a function for holding an opening condition capable of facilitating a work for pouring hot water into a container even when the lid material using no aluminum foil in the case when a cup noodle is eaten, using an existing manufacturing line, and inspecting by a metal detector. <P>SOLUTION: The lid material with the function of holding the opening condition consists of a laminate of at least a surface base material layer (20) with a paper layer (11) and a plastic film layer (50), wherein the plastic film layer (50) is sealed on a flange part (1) of a container main body (B), and has approximately the same shape as that of the flange part (1) and a pull tab (2) for opening on its outer peripheral edge, and the paper layer (11) contains the mixture of linear resin fibers with a dead hold property (shape holding property). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
