Non-metallic -tank anti-leak, self-sealing coating
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Dec 11, 2006
filing date -
Dec 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A differential-thickness, self-sealing, anti-leak, all-over coating for the outside surface of a fuel container formed of HDPE plastic material and characterized with differentiated high and low puncture-threat regions. The coating includes, for the high-threat regions, a plural-layer portion possessing (a) an inner, high-elastomeric layer bonded substantially directly to the overlying portion of the container wall's outer surface, (b) an intermediate, high-elastomeric layer including a population of embedded, liquid-fuel imbiber beads formed over the inner layer, and (c) an outer, high-elastomeric layer formed over the intermediate layer, and for the low-threat regions, a single-layer portion bonded substantially directly to the overlying portion of the container wall's outer surface, and having a single, high-elastomeric layer which joins in a bridging manner, and in a differential-thickness transition region, to each of the plural-layer portion's layers to form collaboratively therewith a fully enveloping, elastomeric, shrink-wrap jacket around the container.
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