Vented mold and method for producing molded article
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United States of America Patent
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Feb 5, 2013
Grant Date -
Jan 27, 2011
app pub date -
Sep 30, 2010
filing date -
May 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates mold, particularly a mold for producing foam articles. In a preferred embodiment, the mold comprises a lid and a bowl releasingly engageable to define a mold cavity, the lid comprising: (i) a vent having a passageway for gas to escape from the mold cavity, and (ii) a plurality of grooves connected to the vent. The use of a plurality of grooves/slots in the mold cavity surface effectively acts as a siphon to draw gas away from the composition to be molded. The plurality of grooves/slots is connected to one or more vents which then allows for escape of the gas from the mold cavity to the exterior of the mold.
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