| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent one from feeling even when a container with a small hand-contact area is directly touched by hand in the case when the container with the content therein is heated in a microwave oven by forming the container of the sheet-like resin material in which the shape of the section of projected pleats in the longitudinal direction is triangular with its tip part of the prescribed angle. SOLUTION: A peripheral side part 4 continuous to each other through a stepped part 3 of an opening part of a container forms a container body. Projected plates 6 of triangular section in the longitudinal direction outward of the container are expanded outward of the container. The projected pleats 6 are of triangular shape expanded outward of the container from the peripheral side part 4, and are provided in the range from the stepped part to a bottom part 5, and the projected pleats 6 at each end part are small while the projected pleats are large and triangular in section at the center part of the pleats. The tip angle of the projected pleats 6 is preferably 40-60 deg.C. The projected pleats 6 are provided with the intervals of 5-8 deg. in the central angle of the container. The part in contact with the hand is the tip part of the pleats, and its contact area is small, and the temperature of the part is low.</p> |
