| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a composite-type simple container wherein production speed is high, product efficiency is high, and an inner vessel and an outer vessel are rigidly coupled without using a hot-melt adhesive. SOLUTION: The composite-type simple container comprises the outer vessel 10 made of paper and the inner vessel 20 made of a synthetic resin, wherein both are coupled with each other with a part of a flange 21 of the inner vessel 20 rolled around an exterior of a curl 12 of the outer vessel 10 when coupling both vessels.</p> |
