Automatic sealing device for containers of volatile or perishable liquids
OwnerLuigi Strozziinventor
Life of this patent
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Abstract
An automatic sealing device for containers for volatile or perishable liquids. The sealing device includes a substantially cylindrical chamber having a flexible side wall to make a sealing engagement with the container wall. The flexible side wall is secured to upper and lower circular closing members through a series of links which perform the two functions of causing the device to follow variations in the level of the liquid and hold the flexible side wall against the container wall.
Claims12
Automatic sealing device for containers intended to contain volatile or perishable liquids, characterized in that said device comprises substantially a cylindrical chamber having a flexible side wall to make a sealing engagement with the container wall, and said flexible side wall is secured to upper and lower circular closing members through a series of square-shaped links performing the double function of causing said device to follow the level variations of the liquid and holding said flexible side wall forced against said container wall.
Dependencies are inferred from the claim text.