Receptacles – Closures – Vent at closure – closure support juncture
Patent
1981-03-20
1983-07-26
Shoap, Allan N.
Receptacles
Closures
Vent at closure, closure support juncture
220 904, 220367, 220374, 222547, 229 7R, 229 43, B65D 4126, B65D 5116
Patent
active
043949282
ABSTRACT:
A splash-proof container and container cover in which the container has a flange and shelf and the cover has flat areas and raised areas which in cooperation with the container shelf, passages in the cover connected to the cover raised areas and ports connected thereto permit fluid to flow from the container and air to enter the container when the container is tilted but which prevent liquid from splashing or spilling when the container is vertical and shaken or jostled.
REFERENCES:
patent: 2099292 (1937-11-01), Brown
patent: 2456989 (1948-12-01), Poleyn
patent: 3152735 (1964-10-01), Caldwell
patent: 3727808 (1973-04-01), Fitzgerald
patent: 3895743 (1975-07-01), Christian
patent: 3915355 (1975-10-01), Young
patent: 3994411 (1976-11-01), Elfelt et al.
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