Containers and caps therefor

Details Containers and caps therefor Containers and caps therefor

1989-05-03

1990-11-06

Norton, Donald F.

Bottles and jars

Closures

Receptacle interior communicable with exterior with closure...

222481, B65D 5116

Patent

active

049679228

ABSTRACT:
A cap 6 has an outlet 8 and an air bleed valve 10 including a non return valve 18. The non return valve is isolated from the hydrostatic pressure which would prevent it opening, by a housing 12 and a breather tube 13.

REFERENCES:
patent: 1718905 (1929-06-01), Howard
patent: 1739357 (1929-12-01), Gatchell
patent: 1791350 (1931-02-01), Caron
patent: 2812117 (1957-11-01), Butkus et al.
patent: 3467270 (1969-09-01), Eady
patent: 3813223 (1974-05-01), Fleck

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