Methods for fabricating lids for vessels
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Mar 24, 2014
filing date -
Jul 30, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method for fabricating a lid for attachment to a vessel having an open top surrounded by a peripheral edge portion, includes injection molding from a molten plastic material a first shot structure defining a web portion, a peripheral portion surrounding the web portion; in a second shot procedure, over-molding an elastomeric material different from said plastic material onto the first short structure to form a seal structure portion integrated with the lid portion to form a unitary lid-seal structure, wherein the seal structure portion is permanently adhered to the peripheral portion of the first shot structure, and wherein the seal structure portion is configured to provide an air-tight seal between the lid and a sealing surface portion of the peripheral edge of the vessel when the lid is attached to the vessel.
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