Leaching chamber having sidewall with tenced louvers
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United States of America Patent
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Nov 7, 2017
Issued Date -
N/A
app pub date -
Aug 28, 2015
filing date -
Aug 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A corrugated thermoplastic leaching chamber has sidewall louvers that define sidewall slot openings. Each louver comprises an outward extending canopy, a cap integral with the outer end of the canopy, having a down slope greater than the slope of the canopy, and a preferably concave fence at the inner end of the canopy, for inhibiting ingress of soil. The chamber may be made by first thermoforming sheet material, preferably two-layer PET plastic sheet to the shape of the chamber, followed by mechanically cutting and deforming the sidewall, to create the opening and the fence.
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Cited Art Landscape
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