| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container capable of securing a high sealing property even if formed of soft and less-elastic polyethylene usable for frozen storage and range heating cooking.SOLUTION: An internally/externally fittable type sealed container includes a container body B around the opening part of which a fitting protruded strip B1 is provided, and a lid C around which a fitted recessed strip C1 corresponding to the fitting protruded strip B1 is provided, wherein a horizontal linear groove B12 is provided around the outer face of an outer wall B11 of the fitting protruded strip B1 and a horizontal linear protrusion C12 is provided inwardly around the inner face of an outer wall C11 of the fitted recessed strip C1, so that, when the lid C is fitted to the container body B, the linear protrusion C12 is fitted into the linear groove B12. |
