Underdrain assembly and method of manufacturing the same
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United States of America Patent
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May 23, 2017
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app pub date -
Mar 17, 2016
filing date -
May 29, 2013
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Abstract
An underdrain apparatus and a method for manufacturing such apparatus are provided. The underdrain apparatus can be extruded in long sections as a unitary part. The underdrain apparatus may be extruded in various sizes, shapes, and materials. Further, the underdrain apparatus may include a passageway for transporting water to and from the filter media and/or air to the filter media. In some embodiments, apertures are formed in the underdrain apparatus during an extrusion process to provide a path between the passageway and the filter media.
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