Contamination-resistant dispensing and metering device

Details Contamination-resistant dispensing and metering device Contamination-resistant dispensing and metering device

1992-05-11

1993-11-30

Valenza, Joseph E.

Dispensing

With filter

Associated with vent passage

222212, 222420, 222568, 21032164, 21032184, 21050038, 21050042, 604298, B67D 558, B65D 4718

Patent

active

052657701

ABSTRACT:
A cap for dispensing liquids from a container comprising a base portion; structure to attach the base portion to a container; and an off-center dispenser tip projecting from the base portion and having a passageway extending between an orifice at the distal end of the dispenser tip and the interior underside of the cap, the axis of said passageway forming an angle of no greater than 90 with the longitudinal axis of the base. Included is a composite membrane having liquophilic and liquophobic components for preventing fluid contamination and metering dispersing.

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