Dispensing – Movable material discharge guide – Foldable – bendable – collapsible or flexible
Patent
1990-04-03
1991-11-19
Huppert, Michael S.
Dispensing
Movable material discharge guide
Foldable, bendable, collapsible or flexible
222 1, 222527, 222567, 425269, 425275, B67D 300
Patent
active
050659138
ABSTRACT:
A spout has a resilient and flexible tubular body which is produced by dipping a heated mold into polyvinyl chloride to form a coating or layer. The layer is cured within an oven and then cooled and removed from the mold. The spout body includes a base inlet portion which is stretched onto or pressed into the annular threaded neck or outlet portion of a liquid container to retain the body and to form a liquid-tight seal. The internal passage defined by the tubular body is closed by the user pinching the body with his fingers after which the container is inverted, and the pinch is released to control the dispensing of the liquid from the container. Interchangeable hollow tip members are also produced by dip-molding, and each tip member is pressed onto the outlet end portion of the tubular body to form a cap or smaller discharge opening.
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Derakshani Philippe
Huppert Michael S.
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