Fluid handling – Removable valve head and seat unit – Threaded into valve casing
Patent
1987-03-04
1987-10-13
Nilson, Robert G.
Fluid handling
Removable valve head and seat unit
Threaded into valve casing
251266, F16K 102
Patent
active
046991700
ABSTRACT:
This invention relates to a valve assembly that has a seat for the flow control seal that is contained on a sleeve-like seating assembly that sits upon a shoulder in the housing whereby the extension of the seating assembly beyond the lower end of the housing in a downward and axial direction is fixed. This construction insures that the seat for the flow control valve must be withdrawn from the faucet body with the rest of the valve assembly.
REFERENCES:
patent: Re868 (1859-12-01), Stebbins
patent: 696434 (1902-04-01), Hedges
patent: 3006361 (1961-10-01), Reinemann
patent: 3022797 (1962-02-01), Allin
patent: 3082786 (1963-03-01), McLean
patent: 3389717 (1968-06-01), Povalski
patent: 4245667 (1981-01-01), Braukmann
Diephuis Peter W.
Thompson Arthur D.
EMCO Limited
Nilson Robert G.
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