Lid with vent valve

Details Lid with vent valve Lid with vent valve

1984-07-12

1985-10-29

Shoap, Allan N.

Receptacles

Closures

With condition responsive vent or valve

220303, B65D 5116

Patent

active

045496684

ABSTRACT:
Lid with vent valve for packings of gas-evolving products, especially organic peroxides or hydrogen peroxide, characterized by a bush surrounded flush by an edge of a hole in the lid, especially by an annular collar on the inner side of the lid, having an axial passage widening by way of a conical stage to a hole in the crown of the cap, by a valve ball in the conical stage and by a compression spring which is arranged between a retaining ring of synthetic plastics material, which lies in an annular shoulder of the bush surrounding the axial passage close to the hole, and the valve ball.

REFERENCES:
patent: 3189072 (1965-06-01), Starr
patent: 3454183 (1969-07-01), Fuchs
patent: 3985260 (1976-10-01), Evans
patent: 4165816 (1979-08-01), Tupper

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