Horizontal twin wire machine

Details Horizontal twin wire machine Horizontal twin wire machine

D - Textiles, Paper

21

F

92/7

D21F 1/40 (2006.01) D21F 1/48 (2006.01) D21F 9/00 (2006.01)

Patent

CA 1228760

Abstract of the Disclosure In a horizontal twin-wire paper machine, the paper sheet is initially formed in a wedge-shaped zone defined by generally horizontal runs of the primary wire and top wire which are brought into converging relation by cooperating sets of deflectors which support both runs against relative displacement by the stock therebetween and thereby cause liquid to be expressed through both of the wire runs throughout the wedge zone. The converged wires with the newly formed sheet therebetween then travel partially around one or more imperforate forming rolls, after which the top wire is guided away, and the sheet continues its travel on the primary wire. A major feature is the ease and simplicity with which the structure for supporting the top wire and the elements for defining the wedge zone can be added to an existing Fourdrinier machine to convert it to a twin-wire machine.

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