Washerless cartridge valve for faucets

Details Washerless cartridge valve for faucets Washerless cartridge valve for faucets

1976-04-30

1977-12-27

Weakley, Harold W.

Fluid handling

Removable valve head and seat unit

Threaded into valve casing

251172, 251269, 251288, 251333, F16K 2500

Patent

active

040649040

ABSTRACT:
A closure head of a plumbing valve engages a protruding bead formed around one opening of a hollow highly flexible sealing member. Supply fluid is conducted to the interior of the sealing member through another opening. The hollow sealing member provides a flexible lip surrounding the bead, the lip responding to pressure of the supply to urge the bead firmly into engagement with the closure head. The lip deflects upon engagement with the closure head and its inner side is free of restraints that would prevent deflection. Limits are placed upon movement of the head while no effective limits are placed upon deflection of the lip. A lip around the supply port to the sealing member also effects a static seal. The sealing member is snap fitted into the bottom of a removable cage.

REFERENCES:
patent: 2703584 (1955-03-01), Mix
patent: 2876988 (1959-03-01), Mornard
patent: 3006361 (1961-10-01), Reinemann
patent: 3082786 (1963-03-01), McLean
patent: 3232314 (1966-02-01), Koester
patent: 3913612 (1975-10-01), Tolnai

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