发明名称 Method and apparatus for controlling a headbox in a paper machine
摘要 Method and apparatus for controlling the mixing proportions of feed streams being supplied to a headbox, using devices for sampling two or more of the feed streams upstream of the headbox and devices for measuring concentration of constituents in or other properties of those samples. A method of regulating one or more properties of a moving web, and especially a paper web during manufacture, employing the aforesaid method and apparatus are also disclosed.
申请公布号 US6284100(B1) 申请公布日期 2001.09.04
申请号 US19980014430 申请日期 1998.01.26
申请人 VALMET CORPORATION 发明人 SHAKESPEARE JOHN FRANCIS;KNIIVILä JUHA ANTERO;NYBERG PETRI
分类号 D21F1/02;D21F1/08;D21F7/06;D21G9/00;(IPC1-7):D21F11/00 主分类号 D21F1/02
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