发明名称 FOERFARANDE OCH ANORDNING FOER BANSKAERNING I EN PAPPERSMASKINS FORMARE
摘要 A method and device for cutting a paper web (9) in a twin wire former (1) is described, said web being formed between two forming fabrics (4, 5) while wrapping a section of a forming roll (3), and the web cutting being carried out with the aid of jet cutters (10, 11) discharging jets of pressure medium so that a paper web of final width is obtained and, when applicable, a tail in the web. The jet cutters (10, 11) are arranged at the forming roll (3) so that the web cutting is carried out in the web at a point where the recently formed paper web (9) and the forming fabrics (4, 5) together wrap said section of the forming roll (3) in a sandwich structure.
申请公布号 SE9202280(D0) 申请公布日期 1992.08.04
申请号 SE19920002280 申请日期 1992.08.04
申请人 VALMET-KARLSTAD AB 发明人 L H-E *LARSSON
分类号 D21F7/00;D21F9/00;D21F9/02 主分类号 D21F7/00
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