Foam coating of press fabrics to achieve a controlled void volume
AssigneeAlbany International Corp.
InventorJames M. Barnewall
Life of this patent
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Abstract
This invention is directed to coating press fabrics to achieve a controlled void volume. More particularly, this invention is directed to a method of modifying a press fabric for a papermaking machine which comprises the steps of: (a) applying a thin layer of a polymeric foam to the surface of a press fabric; (b) drying said foam to form a coated press fabric; and (c) curing said coated press fabric.
Claims9
The method of modifying a press fabric for a papermaking machine to improve water removal characteristics, to impart a better finish to the paper, and to enhance paper making characteristics, which method comprises the steps of:
- (a) applying a thin continuous layer of a polymeric foam to the upper surface of a press fabric;
- (b) drying said foam;
- (c) repeating steps (a) and (b) one or more times sufficient to form an effective coating on said press fabric;
- and
- (d) curing the thus coated press fabric.
Dependencies are inferred from the claim text.