×

Chemical feeder with disposable chemical container

  • US 4,250,911 A
  • Filed: 09/28/1979
  • Issued: 02/17/1981
  • Est. Priority Date: 09/28/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. The combination of a chemical feeder for liquid circulating systems comprising a casing having a base wall and a side wall, a vertically presented weir engaged in said base wall, and a replaceable chemical-bearing container receivable within said casing, said container having a bottom wall and a side wall, means provided in said casing supportingly engaging said container bottom wall for presenting the container in vertically spaced relationship to said casing base wall, said container bottom wall being provided with an opening, said weir projecting in its upper portion through said container opening, said weir having an upper end of tapered configuration to facilitate penetration by said weir of the chemical within said container.

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