Patent ID: 9656190
Date: 2017-05-23
CPC Classifications: B01D,B29C,B29L,E03B

Claim:
1. An underdrain apparatus comprising: a trapezoidal cover member that includes: a first generally planar surface; a second generally planar surface adjacent at least a first side of the first generally planar surface; a third generally planar surface adjacent to at least a second side of the first generally planar surface, wherein a plurality of orifices extends through at least one of said first, second and third generally planar surfaces; and a substantially cylindrical body connected to at least one of said second and third generally planar surfaces, and is not connected to said first generally planar surface, said substantially cylindrical body comprising a water transport member that has apertures through a lower-most half of the substantially cylindrical body, said second and third generally planar surfaces each having an edge that rests on a floor when the underdrain assembly is installed.