发明名称 PAPER MACHINE AND METHOD OF MANUFACTURING A PAPER WEB
摘要 A paper machine for manufacturing a paper web, comprising a wet section (2) including a headbox (7), a former, a clothing that carries a formed paper web from the former; a press section (3) including a shoe press having a shoe press roll (13) and a counter roll (14); and a drying section (4) including a drying cylinder (5), close to which said counter roll being arranged, whereby the shoe press roll and counter roll form an extended, first press nip and counter roll and drying cylinder form a second press nip, in and after which the paper web (1) is transferred to the drying cylinder. According to the invention the shoe press has a first endless clothing (16) which carries the formed paper web up to the extended press nip and which runs in a loop around the shoe press roll through the extended press nip, and a second endless clothing (15) which is in the form of a felt running in a loop in which the counter roll is situated, through the extended, first press nip and through the second press nip. A method is also described for manufacturing a paper web in such a paper machine.
申请公布号 WO9940255(A1) 申请公布日期 1999.08.12
申请号 WO1999SE00090 申请日期 1999.01.22
申请人 VALMET-KARLSTAD AB 发明人 HAAKANSON, CARL
分类号 D21F3/02;D21F3/04;(IPC1-7):D21F9/00 主分类号 D21F3/02
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