Forming fabric for use in a papermaking machine

Details Forming fabric for use in a papermaking machine Forming fabric for use in a papermaking machine

1984-09-21

1987-02-03

Cannon, James C.

Paper making and fiber liberation

Processes and products

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

139383A, 162348, 162DIG1, 428225, 428255, 428258, D03D 1300, D21F 100, D21F 1100

Patent

active

046407413

ABSTRACT:
A forming fabric for use in a papermaking machine has two warp layers and three weft layers. The three weft layers are arranged as an uppermost weft layer adapted to define a paper-web supporting surface of the fabric during use, an intermediate weft layer arranged below the uppermost weft layer, and a lowermost weft layer arranged below the intermediate weft layer to define the under-side (i.e. wear-side) of the fabric during use. The two warp layers are arranged as an upper warp layer, the warp threads of which are interwoven only with the uppermost weft layer and with the intermediate weft layer, and a lower warp layer, the warp threads of which are interwoven only with the intermediate weft layer and with the lowermost weft layer. The warp threads of the upper warp layer are exposed on the paper-web supporting surface but are not exposed on the wear-side of the fabric. The warp threads of the lower warp layer are exposed on the wear-side of the fabric but are not exposed on the paper-web supporting surface of the fabric.

REFERENCES:
patent: 4071050 (1978-01-01), Codorniu
patent: 4308897 (1982-01-01), Westhead
patent: 4327779 (1982-05-01), Westhead
patent: 4356225 (1982-10-01), Dufour
patent: 4361618 (1982-11-01), Dufour et al.
patent: 4461803 (1984-07-01), Booth et al.

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