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Tank assembly and method for water treatment

  • US 5,584,411 A
  • Filed: 11/21/1995
  • Issued: 12/17/1996
  • Est. Priority Date: 11/21/1995
  • Status: Expired due to Term
First Claim
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1. A tank assembly for use in water treatment comprising:

  • a tank having a molded liner of unitary construction with an integrally formed tank flange defining an opening and a surface generally co-planar with said opening, and an outer filament wound shell on said liner;

    a head having a generally cylindrical neck with an end and a neck flange extending from said neck at a position axially distant from said neck end;

    said neck being adapted for insertion into said tank opening and said neck flange and said integral tank flange being adapted for mutual attachment;

    said head being adapted to receive and introduce untreated water into said tank and discharge treated water from said tank through an opening in said neck end;

    a generally cylindrical clamp assembly having extensions for engaging said tank flange and said neck flange whereby said head is removably secured to said liner; and

    a seal disposed between said head and said liner.

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