PERMANENTLY PLASTIC PUTTY GASKET FOR FIRE-PROTECTION APPLICATIONS
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Dec 18, 2014
filing date -
Dec 18, 2014
priority date (Note) -
Abandoned
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Abstract
A gasket for sealing a gap between an external surface of a cylindrical structure and an inner surface of an opening is provided, comprising a ring shaped disc of permanent plastic putty comprising a matrix composition and containing at least one fire-protection additive, wherein the ring shaped disc is a C-shaped ring having a first end and a second end and a notch between the first end and the second end, wherein the ends seal against each other when the gap is sealed.
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