PAPER-MADE CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a paper-made container which is hardly deformative and strong and can be sealed sufficiently with a sealing cover at a flange thereof while being contributive to the protection of environment. SOLUTION: The paper-made container is composed of a paper-made container main body fabricated out of a main blank and a sub-blank mainly made of paper and an internal protection film layer made of a thermoplastic resin film closely stuck to the inside of the container main body. The main blank is composed of a frame-like flange and overlapping pieces respectively connected through creases to the flange while the sub-blank is composed of a bottom and sides, and the container is fabricated with the overlapping pieces of the main blank overlapped on the sides of the sub-blank.