Drain sealing device
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United States of America Patent
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Feb 15, 2011
Grant Date -
Jun 19, 2008
app pub date -
Dec 18, 2006
filing date -
Dec 18, 2006
priority date (Note) -
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Abstract
A multiple layer drain seal device for rapidly sealing the apertures in a drain grate, the drain seal having a lower sealing layer and an upper protective cover layer, the lower sealing layer being separable from the upper protective cover layer except at discrete attachment points, wherein the lower sealing layer is softer, more flexible and has lower shear resistance than the upper protective cover layer, such that the lower sealing layer sags into the drain grate apertures but the upper protective cover layer does not.
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