| 摘要 |
PURPOSE: Provided is a food storage vessel having protrusions formed to a vessel, which is capable of preventing explosion of the vessel caused by expansion of a content within the vessel. CONSTITUTION: The vessel includes a container body(10) housing a food in a interior of the body, which is formed at an upside of the body with open, and a lid(20) having protrusions(25). Protrusions expand and contract simultaneously by expansion and contraction of the interior of the body. Protrusions are formed in a portion of the lid which is made of a plastic material. Protrusions are molded for the lid easily to expand and contract.
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