×

Water purifier

  • US 4,107,046 A
  • Filed: 04/04/1977
  • Issued: 08/15/1978
  • Est. Priority Date: 09/29/1975
  • Status: Expired due to Term
First Claim
Patent Images

1. For use in a water purifier apparatus, a filter cartridge comprising:

  • a tubular shell;

    an inlet wall substantially closing one end of said shell but having means defining first and third openings therein;

    an outlet wall substantially closing the other end of said shell but having means defining second and fourth openings therein;

    a conduit extending through the interior of said shell and between said third and fourth openings but exclusive of said first and second openings;

    a water-filtering material disposed within said shell in water-flow communication between said first and second openings but exclusive of said third and fourth openings and the interior of said conduit, said material substantially filling the entire space within said shell and surrounding said conduit;

    and said shell, said inlet wall, said outlet wall and said conduit being joined together to constitute a unitary cartridge assembly, with a portion of said conduit adjacent to said inlet wall being shaped to a conformation receptive of water-flow-control means cooperative therewith.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×