Double wire former with flexible dewatering slats

Details Double wire former with flexible dewatering slats Double wire former with flexible dewatering slats

D - Textiles, Paper

21

F

D21F 1/10 (2006.01) D21F 1/48 (2006.01) D21F 9/00 (2006.01)

Patent

CA 2106392

ABSTRACT OF THE DISCLOSURE A double wire former for producing a fiber web, specifically a paper web, from a fiber suspension. The double wire former includes two wires which together form a double wire zone, at least one dewatering zone, and at least one fixed dewatering slat in the dewatering zone. A flexible, or flexibly arranged, dewatering slat is coordinated with the fixed dewatering slat. The flexible slat is arranged such that a variable contact pressure exists between the slat and one of the wires. The dewatering slats are spaced apart a distance such that a variation of the contact pressure of the flexible slat results in a change of the deflection of the wires at the fixed slat, whereby a change of the dewatering pressure created by the fixed slat is effected.

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