| 摘要 |
PURPOSE: A vacuum vessel is provided to improve vacuuming efficiency of the vacuum vessel, resulting in an extended storage period of food without deterioration of food, and to allow a user to easily confirm a vacuumed state inside the vacuum vessel. CONSTITUTION: The vacuum vessel comprises a vacuuming pump(2) installed at the outer surface of a body(1) of the vessel and adapted to produce a vacuum pressure in the interior of the vessel, an air pack(5) installed at a cap(4) of the vessel and adapted to allow a user to confirm the vacuumed state of the vessel, and an air injector(7) installed at the cap and adapted to release the vacuum pressure inside the body.
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