| 摘要 |
Disclosed herein is a vacuum vessel, capable of maintaining the freshness of food contained in the vessel for a lengthy period of time by creating a vacuum in the vessel. The vacuum vessel includes a main body ( 10 ) having along an edge thereof an annular protrusion. A seat ( 15 ) is disposed in the main body to seat an exterior receptacle containing food therein. A cover ( 20 ) covers the main body, and includes a valve mount part and a packing groove defined between inner and outer rings at a position corresponding to the annular protrusion of the main body. A packing ( 25 ) is fitted into the packing groove, and has an insert groove to engage with the annular protrusion of the main body, and an extension part to enhance a seal. A check valve ( 30 )( 130 )( 230 ) is mounted to the valve mount part of the cover.
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