Dryer fabric having longitudinal zones of different permeability

Details Dryer fabric having longitudinal zones of different permeability Dryer fabric having longitudinal zones of different permeability

1984-04-09

1988-11-15

Chi, James Kee

Textiles: weaving

Fabrics

Drier felts

139412, 139416, 139425A, 162DIG1, D03D 2300, D21F 712

Patent

active

047841907

ABSTRACT:
A method for making a woven dryer fabric having different permeabilities in different sections across its width to control the moisture profile of a web being conveyed through the dryer section of the papermaking machine is disclosed. Additional cross machine yarns are interwoven only over a selected distance or distances across the fabric in the cross machine direction. The non-interwoven segments of the additional cross machine direction yarns form surface floats which are subsequently removed by shearing.

REFERENCES:
patent: 1936495 (1933-11-01), Bauer, Jr. et al.
patent: 2448201 (1948-08-01), Whewell
patent: 2672169 (1954-03-01), Walters
patent: 4261392 (1981-04-01), Westhead
patent: 4274448 (1981-06-01), Westhead
patent: 4290209 (1981-09-01), Buchanan et al.

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