Retaining device for an apparatus having flat semi-permeable mem

Details Retaining device for an apparatus having flat semi-permeable mem Retaining device for an apparatus having flat semi-permeable mem

1975-05-15

1977-08-02

Wyse, Thomas G.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210321B, B01D 1300

Patent

active

040394557

ABSTRACT:
A stack of membranes and spacers is held between upper and lower plates, the lower plate having hinged thereto, at least two side plates. These may be hinged by being formed integrally so as to be flexible outwardly, or may be hinged by suitable co-operating projections and cut-outs or by more conventional hinge-means. The upper plate is locked by co-operating projections and cut-outs on the upper plate and the top edges of the side plates. Means may be provided to enable the upper plate to be pressed downwardly to different positions to compress the stack to different degrees, these means, for example, including rack shaped surfaces on the projections and/or cut-outs.

REFERENCES:
patent: RE24736 (1959-11-01), Isreeli
patent: 2686154 (1954-08-01), MacNeill
patent: 2717619 (1955-09-01), Whitman
patent: 2762076 (1956-09-01), Kiba
patent: 3349989 (1967-10-01), Indrike
patent: 3352421 (1967-11-01), Cary
patent: 3421628 (1969-01-01), Barnabe et al.
patent: 3624983 (1971-12-01), Ward
patent: 3800510 (1974-04-01), Lamond
patent: 3828969 (1974-08-01), Schurman
patent: 3907103 (1975-09-01), Shaw

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