Container Closure for Pourable Liquids Including a Pour Spout and a Tamper Evident Vent Structure
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United States of America Patent
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Jun 20, 2019
app pub date -
Dec 20, 2017
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Dec 20, 2017
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Abstract
A re-closable vent for a container closure which requires no pre-formed holes in the closure deck, provides a tamper-evident feature, and provides simple rotation of a cap structure to open and a vent after punching out a frangible deck section.
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