Porous element and the preparation thereof

Details Porous element and the preparation thereof Porous element and the preparation thereof

1978-01-13

1978-09-26

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Mineral fiber

162181B, 162221, 162222, 162228, 210509, 264119, D21F 1100

Patent

active

041167619

ABSTRACT:
A porous tubular element of uniform density and porosity is formed by uniformly depositing binder and crushable fibers selected from the group consisting essentially of polycrystalline, alumina, zirconia, aluminum silicate and potassium polytitanate fibers from an aqueous dispersion onto a cylindrical mold. The tubular element is then compressed with sufficient pressure to crush and rearrange the fibers to obtain uniform density and porosity.

REFERENCES:
patent: 2101921 (1937-12-01), Shaver
patent: 2700326 (1955-01-01), Curtis
patent: 3017318 (1962-01-01), Labino et al.
patent: 3253978 (1966-05-01), Bodendorf et al.
patent: 3262578 (1966-07-01), Dennis
patent: 3943032 (1976-03-01), Weaver
Calkin, "Modern Pulp & Papermaking" (1957) pp. 312, 313.

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