发明名称 Press section with an equalizing nip in a paper machine
摘要 A press section in a paper machine through which a paper web has a closed and supported draw. The press section has at least two successive separate press nips and dewatering of the paper web is carried out at least in the first one of these press nips, preferably between two press fabrics that receive water. The last press nip in the press section is an equalizing press nip which is separate from the preceding nip and in which no substantial dewatering is performed. The paper web is passed through the equalizing press nip from the preceding dewatering press nip on a transfer belt substantially not receiving water, on its substantially straight run. This run is continued after the equalizing nip as a run of substantially the same direction, on which run, some of the elongation of the paper web in the machine direction is compensated for, which elongation takes place in the equalizing nip, by a difference in speed of the transfer belt.
申请公布号 US5662778(A) 申请公布日期 1997.09.02
申请号 US19950540084 申请日期 1995.10.06
申请人 VALMET CORPORATION 发明人 LAAPOTTI, JORMA
分类号 D21F3/02;D21F3/04;(IPC1-7):D21F3/00 主分类号 D21F3/02
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