• US 20110168611A1
  • Filed: 01/12/2011
  • Published: 07/14/2011
  • Est. Priority Date: 01/13/2010
  • Status: Active Grant
First Claim
Patent Images

1. A wastewater treatment system, comprising:

  • a hollow, elongate, cylindrical body made from plastic, the cylindrical body having reinforcement ribs formed by a helically wound steel band embedded in the plastic and extending between opposite ends of the elongate cylindrical body;

    end members extending across and covering the opposite ends of the cylindrical body, the end members and the cylindrical body forming a watertight tank defining at least one chamber adapted for treatment of wastewater;

    an inlet pipe extending into the tank adapted for admitting wastewater into the tank; and

    an outlet pipe extending from the tank adapted for discharging treated wastewater from the tank.

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