Twin-wire former and method for producing a fibrous web

Details Twin-wire former and method for producing a fibrous web Twin-wire former and method for producing a fibrous web

D - Textiles, Paper

21

F

92/14.1

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

Patent

CA 1317141

16 ABSTRACT A twin-wire former for producing a paper web with two endless wires each running over a breast-roll and forming the wedge-shaped intake-gap of a twin-wire zone. The two wires run therein, first over a stationary, curved support device and thereafter over a forming roll in the same wire-loop as the curved support-device, and finally over a suction couch roll in the other wire-loop. Arranged on the body of the forming roll, for the purpose of obtaining a large storage-volume for water, is an additional grid-like outer shell covered by a coarse-mesh wire-fabric- sleeve. The two wires wrap around about one half of the periphery of the suction couch roll. At the end of the wrap-around zone, first one wire and then the other wire runs, together with the paper web, away from the suction couch roll.

601963

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