Liquid purification or separation – Plural distinct separators – Filters
Patent
1977-03-28
1979-01-02
Spitzer, Robert H.
Liquid purification or separation
Plural distinct separators
Filters
210321R, 210433M, 210450, 210488, B01D 3100
Patent
active
041326490
ABSTRACT:
A fluid purification apparatus of the type which includes a stack of membrane packs and a stack of gaskets located at the peripheral portions of the membrane packs to keep them separated from one another, wherein the gaskets have outer lands bearing on one another and surrounding the membrane packs, inner lands pressing against the faces of the packs to seal against them, and elongated bendable middle gasket portions connecting the inner and outer lands to allow the inner lands to adjust position so as to compensate for variations in thickness of the membrane packs.
REFERENCES:
patent: 3398833 (1968-08-01), Marks et al.
patent: 3398834 (1968-08-01), Nuttall et al.
patent: 3456805 (1969-07-01), Jarvis et al.
patent: 3556302 (1971-01-01), Agranat
patent: 3623610 (1971-11-01), Olsen et al.
patent: 3782083 (1974-01-01), Rosenberg
Croopnick Gerald A.
Michaels John M.
Paul Donald G.
Dresser Industries, Inc
Spitzer Robert H.
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