Receptacles – Closures – With condition responsive vent or valve
Patent
1985-12-30
1986-09-09
Pollard, Steven M.
Receptacles
Closures
With condition responsive vent or valve
220 89A, 222397, 429 56, 429 82, F16K 1740
Patent
active
046103708
ABSTRACT:
A pressure release vent for a container which comprises an indentation in a wall of the container which is interrupted by a scored hollow rib having an apex which connects the opposing sidewalls of the indentation at a distance above the bottom of the indentation which is equal to about 5% to about 75% of the depth of the indentation.
REFERENCES:
patent: 3724727 (1973-04-01), Zundel
patent: 3826412 (1974-07-01), Kneusel
patent: 3831822 (1974-08-01), Zundel
patent: 4105133 (1978-08-01), LaBarge
patent: 4433791 (1984-02-01), Mulawski
patent: 4484691 (1984-11-01), Lees
patent: 4513873 (1985-04-01), Klaschka
Good Melvin S.
Patterson Gregory A.
Amoco Corporation
Kretchmer Richard A.
Magidson William H.
McClain William T.
Pollard Steven M.
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