PMC yarn with soluble monofilament core

Details PMC yarn with soluble monofilament core PMC yarn with soluble monofilament core

1990-07-09

1992-02-11

Bell, James J.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

139383A, 162DIG1, 428225, 428257, 428280, 428282, 428300, 428373, 428377, 428234, D21F 300

Patent

active

050873270

ABSTRACT:
A composite yarn for use in a papermaker's fabric, for the press section of a papermaking or similar machine, is disclosed. The composite yarn includes a core substantially surrounded by a layer of monofilament. The core is at least partially soluble. On the other hand, the monofilament layer is non-soluble and is either braided, knitted, or helically wound around the core. After the base fabric, woven from the composite yarns, has been needled, the soluble portion of the core is washed out, supplying an increase in void volume to the finished fabric.

REFERENCES:
patent: 4093512 (1978-06-01), Fleischer
patent: 4283454 (1981-08-01), Buchanan
patent: 4433493 (1984-02-01), Poisson
patent: 4489125 (1984-12-01), Gagnon
patent: 4533594 (1985-08-01), Buchanan

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