Apparatus for in-situ pipe coating and related methods
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United States of America Patent
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Aug 22, 2017
Grant Date -
Dec 24, 2015
app pub date -
Dec 19, 2013
filing date -
Dec 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An in-situ applicator for applying a composition in a pipe comprises a flow diverter configured to receive a composition and eject the composition from at least one outlet. The applicator also comprises a hollow conical body having a narrow end, a broad end, and an interior surface configured to receive the composition ejected from the flow diverter. The conical body also has a plurality of holes forming a band that wraps circumferentially around the conical body which defines a flow region on the interior surface between the band and the narrow end. The band includes first holes adjacent to the flow region where each of the first holes has a first average diameter and second holes disposed between the first holes and the broad end, each of the second holes having an average diameter greater than the first diameter.
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