Filter

Details Filter Filter

1977-02-22

1978-05-16

Bell, James J.

Liquid purification or separation

Filter

Imperforate drum, medium on arc, chord or end

210487, 210493R, 428 36, 428181, 428233, 428236, 428246, 428247, 428256, 428285, 428298, B01D 2500

Patent

active

040897834

ABSTRACT:
A multi-layer filter material assembly. The assembly includes a filter medium which consists of a single sheet formed of fibers of a glass having a low coefficient of thermal expansion. The filter medium is supported on each side by at least one sheet of bonded synthetic fibers and a sheet of metallic wire mesh. The two sheets of metallic wire mesh form the two outermost layers and the entire assembly is formed into a pleated configuration.

REFERENCES:
patent: 2692654 (1954-10-01), Pryor
patent: 3063888 (1962-11-01), Howard et al.
patent: 3115459 (1963-12-01), Giesse
patent: 3209916 (1965-10-01), May et al.

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