Light-sealing cap with feature for addition of materials

Details Light-sealing cap with feature for addition of materials Light-sealing cap with feature for addition of materials

1993-08-13

1995-04-04

Shoap, Allan N.

Receptacles

Closures

Vent in closure

220306, 215309, B65D 5116

Patent

active

054029058

ABSTRACT:
A light-lock cap for protecting container contents from exposure to light. The cap has a labyrinth passage to allow liquids into a container covered by the cap and a labyrinth passage to allow gases to exit a container covered by the cap. The liquid passage has an upward facing inlet and a downward facing outlet. The gas passage has a side facing orifice on the interior of the cap and a side facing orifice on the exterior of the cap.

REFERENCES:
patent: 1920261 (1933-08-01), Lavender et al.
patent: 3878962 (1975-04-01), Holbrook et al.
Abstract-3121P93 of FR 2674038-A1.

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