Liquid purification or separation – With precoat adding or applying means
Patent
1981-04-07
1983-04-05
Castel, Benoit
Liquid purification or separation
With precoat adding or applying means
210231, 21033301, 210335, 210350, 210446, 210450, B01D 3702
Patent
active
043790518
ABSTRACT:
A substantially cylindrical filter chamber having a lower horizontal bottom plate, a side wall and an upper horizontal bottom plate, is divided into two compartments having a bottom plate and a side wall by a planar horizontal support fabric. In each compartment, a movable wall is associated with the bottom plate, the movable wall being adapted to reduce the volume of the respective compartment to approximately zero. The support fabric serves as a carrier for a precoat filter layer and is clamped along a ring-shaped, preferably reinforced, rim region between the adjacent faces of said side walls. Further, each movable wall is also clamped along a ring-shaped rim region between the side wall and the adjacent bottom plate of the compartment. A central channel delimited by internal side walls extends in the center of the filter chamber, an internal ring-shaped rim region of the support fabric surrounding the central opening being clamped between the adjacent faces of the internal side walls, and a ring-shaped internal rim region of the movable walls, each being clamped between the internal side wall and the bottom plate of the respective compartment, the bottom plate equally provided with a central opening.
REFERENCES:
patent: 1720211 (1929-07-01), Eddison
patent: 3098429 (1963-07-01), Hagglund
patent: 3270887 (1966-09-01), Juhasz
patent: 3361261 (1968-01-01), Fairey et al.
patent: 4297211 (1981-10-01), Hiesinger et al.
Hiesinger Edwin
Keplinger Klaus
Nessler Hermann
Castel Benoit
Dubno Herbert
Inkomag
Ross Karl F.
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