Method for the manufacture of a mineral fiber sheet

Details Method for the manufacture of a mineral fiber sheet Method for the manufacture of a mineral fiber sheet

1977-06-07

1980-03-18

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Mineral fiber

162168R, 162169, 162183, 162184, 162185, 162192, 162206, D21H 518

Patent

active

041938410

ABSTRACT:
A method for the manufacture of a sheet containing mineral fibers and binder. An aqueous suspension containing fibers and binder is formed into a layer. The layer is de-watered to form a wet sheet. Additional binder is applied evenly to the entire surface of the de-watered sheet. The sheet is then dried. The sheet may be compressed to an extent of 20% during drying.

REFERENCES:
patent: 2899353 (1959-08-01), Engel et al.
patent: 3042577 (1962-07-01), Thomas
patent: 3243340 (1966-03-01), Cadotte
patent: 3376189 (1968-04-01), Nystrom
patent: 3536580 (1970-10-01), Fave
patent: 3766002 (1973-10-01), Grief et al.
patent: 3776812 (1973-12-01), Jongetjes
Calkin, "Mod. Pulp & Papermaking," (1957), pp. 312, 313.

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