EASY-OPENING TYPE SEALED CONTAINER FOR FROZEN FOOD

摘要

PROBLEM TO BE SOLVED: To prevent a pressure in a container from being increased with gaseous substances generated under heating operation when an easy-opening sealed container having a frozen food stored therein is melted or cooked in a microwave oven, prevent the sealed container from being ruptured and realize a smooth gas removing operation. SOLUTION: There is provided an easy-opening type sealed packaging container for a frozen food in which the innermost layer at its peripheral part is melted and adhered with heat and an easy-opening material held in at least a part of the heat melted segment is applied for a weak seal characterized in that a location near the central part of the easy-opening type sealing member is provided with at least one slit.