D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/14.1
D21F 1/00 (2006.01) D21F 1/60 (2006.01) D21F 9/00 (2006.01) D21F 11/00 (2006.01)
Patent
CA 1094854
ABSTRACT OF THE DISCLOSURE Methods and apparatus for producing a web by injecting a jet of stock between two tensioned wires and running the wires over a circumferentially grooved forming cylinder. The cylinder grooves and a zone immediately on the other side of the wires extending from the forming throat where the web is injected to the web run-off point are in direct, open communication with the ambient atmos- phere so that water is drained inwardly and outwardly of the forming cylinder as the web is being formed. The jet stock size, wire speed and wire tension are adjusted in relation to the radius of the forming cylinder so that the inward and outward drainage of liquid from the web occurs in relative amounts sufficient to avoid substantial two- sidedness of the web thus produced.
320923
Stenberg Erik G.
Wahren Douglas
Zotterman Carl
Aktiebolaget Karlstads Mekaniska Werkstad
Gowling Lafleur Henderson Llp
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