Molded plastic stormwater chamber having a hinged top joint
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United States of America Patent
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Jan 12, 2016
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N/A
app pub date -
Sep 12, 2013
filing date -
Sep 12, 2012
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Abstract
A molded plastic arch shape cross section stormwater chamber having a corrugated wall comprises separately molded half chambers which are connected by hinges at a joint at the top of the chamber. The chambers may be compactly stored and transported in splayed out configuration, with the arch is flattened out and the base flanges are widely separated. Near the point of use, the chambers are hinged to their arch shape use configuration. Preferably, the half chambers are substantially identical and are made in the same mold. Methods of molding the chambers enable providing a larger or smaller corrugation at one end of a chamber made from substantially identical half chambers.
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