发明名称 Top roll lifting arrangement for a press in a papermaking or boardmaking machine
摘要 A top roll lifting arrangement for a roll press in a press section of a papermaking or boardmaking machine where the roll press includes a top roll and a bottom roll, the rolls being opposed and parallel and having main axes defining a press plane and forming between them a press nip. The press has a framework including two side frames in parallel relationship to each other, one located on the drive side of the machine and the other one on the tender side of the machine. Each side frame has a first vertical column upstream of the press nip and a second vertical column downstream of the press nip. The upper roll is carried by a brackets extending between the upstream and downstream vertical columns. The brackets have bevelled ends that co-operate with inclined surfaces of plate members on the vertical columns.
申请公布号 US5670022(A) 申请公布日期 1997.09.23
申请号 US19960719474 申请日期 1996.09.25
申请人 VALMET-KARLSTAD AB 发明人 BENGTSSON, ROLAND
分类号 D21F3/02;D21F3/06;D21F7/00;D21G1/00;(IPC1-7):D21F3/00 主分类号 D21F3/02
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