发明名称 Frame construction in a paper machine press section for facilitating replacement of press rolls and fabrics
摘要 A frame construction and method in a paper machine press section having a compact press roll combination forming at least two press nips through which a paper web runs, the frame construction and method facilitating the removal and replacement of the fabrics and/or press rolls. The frame construction of the press section includes, in the direction of web run through the press section, a front frame situated before the press roll combination and a rear frame separate from the front frame situated after the roll combination. The space above the roll combination and between the front and rear frames is open or openable through the provision of an intermediate frame situated above the roll combination. The intermediate frame is pivotally mounted on the rear frame about a transverse axis located at a longitudinal side of the roll combination. The pick-up fabric and the upper fabric, if any, of the press and/or one or more of the press rolls of the press roll combination can be easily replaced utilizing the open space provided by pivoting the intermediate frame to its open position.
申请公布号 US4608125(A) 申请公布日期 1986.08.26
申请号 US19850727104 申请日期 1985.04.25
申请人 VALMET OY 发明人 AUTIO, MARKKU
分类号 D21F3/04;D21F7/00;(IPC1-7):D21F3/04;D21G9/00 主分类号 D21F3/04
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