| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a composite container which has an extremely excellent boiling-water resistance with the strength under the state of moisture absorption and wetness brought about by the boiling-water improved greatly and is adaptable to such processings as boiling disinfection, retort sterilization and cooking by boiling water treatment. SOLUTION: The composite container which is made up by providing integrally a secondary container made from a fiber structural body including paper or a molded body of such material at the exterior of a primary container made from a plastic film and a plastic molded body has a dimensional variation of 4% or below for its composite container main body under the state of wetness in the wet condition obtained by being dipped for one hour in a boiling water at the temperature of 90 deg.C or above and 120 deg.C or below.</p> |
