| 摘要 |
PURPOSE: A food container structure having improved functions is provided to minimize the transformation of the container even when the food container is used in a microwave oven. CONSTITUTION: The food container(20) structure is made from polyethylene, polypropylene, or polystyrene, and has an open space(21) at the center. A ring-shaped reinforcing protrusion(24) is formed at the top of the container(20), more specifically, in the circumferential direction of the container(20). When the containers(20) are layered, the reinforcing protrusion(24) enables a user to separate one container from others more easily. A flange(22) is formed at the top edge of the container(20) and a recess is formed at the bottom surface of the flange(22) in the circumferential direction.
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