Automatic sealing device for containers of volatile or perishabl

Details Automatic sealing device for containers of volatile or perishabl Automatic sealing device for containers of volatile or perishabl

1976-12-29

1978-01-10

Hall, George T.

Receptacles

Closures

Floating closure

220227, 220216, B65D 8718, B65D 8720

Patent

active

040674762

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.

REFERENCES:
patent: 3800975 (1974-04-01), Nishkian et al.
patent: 3915332 (1975-10-01), Pladys

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