Retractable, self-ventilating, self-stopping pouring spout

Fluent material handling – with receiver or receiver coacting mea – Multiple passage filling means for diverse materials or flows – With valve operated by receiver engaging means

Patent

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Details

141198, 141288, 141353, 222484, 222518, 222538, B67C 300, B67D 300

Patent

active

051079097

ABSTRACT:
A pouring spout assembly removeably fitted inside the mouth of a supply container includes an elongate spout for pouring liquid from the supply container to the target container through a spout exit opening. This spout further includes a tubular vent extending from the interior of the supply container to a vent opening adjacent the spout exit opening. A cap is threaded on to the mouth of the supply container and provides an air tight seal between the inside of the supply container to the atmosphere. A valve is provided, which valve is resiliently biased to a normally closed position to prevent fluid flow through the spout and to prevent air from being drawn through the vent. Structure is provided so that a user may manually open the valve by the act of inserting the spout into the target container.

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