Extended nip press for a paper machine

Details Extended nip press for a paper machine Extended nip press for a paper machine

D - Textiles, Paper

21

F

92/21

D21F 3/00 (2006.01) D21F 3/02 (2006.01)

Patent

CA 1099551

An Extended Nip Press for a Paper Machine Abstract of the Disclosure An extended nip press for a paper machine for removing water from a fiber web carried by a porous felt through a press zone in which the web is subjected to a pressure action. The press comprises press rolls forming at least two separate press nips and a sealing element positioned between the secondary rolls forming said press nips. Said web, said felt and a band supporting said web and felt is passed through said press nips. A pressure medium chamber is limited by that pare of said band which extends between said press nips, by said secondary rolls and by said sealing element for subjecting the web to said pressure action. Said press nips form rolling seals between said secondary rolls and said band. Preferably two separate pressure medium chambers are arranged on opposite sides of a common press roll.

318569

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