Hermetically sealed container

Details Hermetically sealed container Hermetically sealed container

1983-01-13

1984-04-17

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220320, 220367, 220378, B65D 4532

Patent

active

044429517

ABSTRACT:
A hermetically sealed container with an openable top lid, capable of completely maintaining the hermetically sealed pressure state over a prolonged period, enabling easy release from the pressurized or vacuum state in the container, allowing pressure measurement in the container during storage, and adapted for repetitive use. In this container, the concave surface of lid has corrugated recesses and is provided in the center with a valve for pressure releasing and pressure testing, of which upper end is positioned not exceeding a plane containing the upper rim of the lid.

REFERENCES:
patent: 4344546 (1982-08-01), Dry
patent: 4347947 (1982-09-01), Hammes

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