Method and system for threading a running paper web

B - Operations – Transporting – 65 – H

Patent

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B65H 21/00 (2006.01) D21G 9/00 (2006.01)

Patent

CA 2418592

The invention relates to method for threading a running paper web (1.1) from a preceeding section (3) to a following section (6) of a paper-making or paper- finishing machine. The method according to the invention comprises the steps of: - providing a threading tail (1,1') of the running paper web (1.1) by cutting it from the running paper web (1.1) at one of its edges (11); - providing at least one sensing element (7, 7.1, 7.2) for gaining data from at least one property (P) of the threading tail (1,1'); - transferring the gained data into a data collecting system and/or into an analysis system (8); and - using the data for influencing the at least one property (P) of the threading tail (1, 1') and for the threading process. The inventions also relates to a system for threading a running paper web (1.1) from a preceeding section (3) to a following section (6) of a paper-making or paper-finishing machine, which system is fitted in connection with a preceeding roll (3) from which the running paper web (1.1) is passed preferably to a pair of rolls (6) with at least one driven roll (6.1).

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