发明名称 METHOD AND DEVICE IN THE FORMING OF A LEAD-IN STRIP IN A PAPER/BOARD MACHINE
摘要 The invention concerns a method and an equipment in the forming of a lead-in strip (A) in a paper/board machine. In the method, two cutters (C1, C2) are used, of which at least one cutter (C2), which is brought into connection with the web from outside the web, is a liquid cutter, preferably a water cutter. In the method, by means of the first cutter (C1) a first cut (f1) is made, and by means of the second cutter (C2) a second cut (f2) is made into the paper/board web (W). In the method, the cutting jet (U2) of said second cutter (C2) is passed into connection with the web (W) from outside the web, in which connection an edge strip (B) is formed alongside the lead-in strip (A). The edge strip (B) has a sharp tip (100), in which case no notch or tail is formed into the lead-in strip (A), which notch or tail might reduce the strength of the lead-in strip (A).
申请公布号 CA2278649(A1) 申请公布日期 1998.08.06
申请号 CA19982278649 申请日期 1998.01.20
申请人 VALMET CORPORATION 发明人 KUHASALO, ANTTI;AHOKAS, MATTI
分类号 D21F7/04;D21G9/00;(IPC1-7):D21F7/00 主分类号 D21F7/04
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