D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/14.1
D21F 1/02 (2006.01) D21F 1/40 (2006.01) D21F 9/00 (2006.01) D21F 9/02 (2006.01)
Patent
CA 1079558
PAPERMAKING MACHINE ABSTRACT OF THE DISCLOSURE A two-wire papermaking system for the formation of paper from paper slurry includes a first section where the slurry is maintained under pressure in a condition of minimum pond height under the guidance of a looped lower (bottom) web carrying wire having a single run over a progressive series of independently controlled dewatering boxes immediately prior to passage from the headbox through the adjacent slice and a second section comprising two wires (the said web carrying wire and a looped top or covering wire) facing each other (and between which the forming web is enclosed) and guided conjointly over a dewatering roll to follow a downwardly curved path while secondary dewatering ensues through the top wire due to centrifugal forces before passage over a suction transfer roll where a first transfer from the bottom (forming) wire to the top wire ensues preparatory to passage over a vacuum transfer box for a second transfer from the top wire to a wet web saturator fabric or a through dryer fabric for delivery of the wet web to the saturator or through dryer, as desired, for final web forming.
314016
Keller Martin B.
LandOfFree
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