| 摘要 |
<p>The present invention relates to a lid coupled with a container storing all types of food by being multi-stacked in a pocket such as a refrigerator and, more specifically, to a lid capable of maintaining the sealing force evenly always under any conditions and the maintenance and separation of a stacked state. A material harder than a conventional flexible lid is used for the lid of the present invention. A locking wing is provided in the edge of the lid, and a groove rim is formed on the upper surface of the lid. A through hole in the inner wall forming the inter-groove having a packing of the lid is formed on the groove rim to provide the packing on the inter-groove by double injection molding. An elastic protrusion with an elastic material is formed on the groove rim.</p> |
