Relief Vent for a Hot Fill Fluid Container
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United States of America Patent
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app pub date -
Jan 11, 2010
filing date -
Jan 9, 2009
priority date (Note) -
Abandoned
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Abstract
Caps having porous elements that act as a vent to facilitate cooling of hot fluids stored in containers. Certain embodiments comprise a cap that may be affixed to a container filled with a hot fluid. The cap may include a porous element that allows air to enter the container during the cooling process, but also prevents the introduction of microbes and bacteria into the container. The cap may include a through hole, chamber, or recessed area to receive and secure the porous element. In certain embodiments the porous element may comprise a sintered composite material with thermoplastic particles and either metal particles and/or metal powder. In other embodiments, the porous element may comprise a layered structure. The layers may include a combination of the sintered composite material, a metallic layer, or various porous layers.
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