Tank with water-sealable vent

Details Tank with water-sealable vent Tank with water-sealable vent

1977-08-22

1978-09-26

Price, William

Receptacles

Closures

With condition responsive vent or valve

220208, 220228, 220366, B65D 5116, B65D 5306

Patent

active

041163575

ABSTRACT:
The top wall portion of the tank has a vent structure including a first tubular projection in communication with the inside of the tank and a second tubular projection of larger diameter mounted on the top wall portion in surrounding relationship with the first tubular projection. A cap is mounted on the first tubular projection, a skirt portion being disposed in the annular space between the first and second tubular projections. Water fill means are provided on the second tubular projection for filling the annular space with water to a depth covering the bottom of the skirt portion of the cap.

REFERENCES:
patent: 297668 (1884-04-01), Brownstein
patent: 459598 (1891-09-01), Stiles
patent: 702584 (1902-06-01), Paquette
patent: 1490186 (1924-04-01), Rowe
patent: 1754091 (1930-04-01), Friedman
patent: 1874742 (1932-08-01), Harnsberger
patent: 2946476 (1960-07-01), Ross

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