Patent ID: 7174819
Filing Date: 2007-02-13
Classification: B65H,Y10T

Abstract:
1. A method for cutting a web conveyed along a conveyance direction, and subsequent feeding and threading it up into a processing line, said web comprising a central portion and edges, the method comprising the steps of: (i) cutting off at least one edge laterally from the central portion along said conveyance direction; (ii) cutting said at least one edge along a direction transverse to the conveyance direction; (iii) taking up said at least one edge into the processing line through edge channel(s) said channel(s) comprising a section substantially closed with movable lids; (iv) securing said at least one edge in a pulling unit located at along the processing line past said channel(s); (v) opening the lids of the channel(s) to allow the central portion to be entrained along said conveyance direction into the processing line; and (vi) stopping said lateral cutting of said at least one edge and cutting the central portion transversely to the conveyance direction whereby said edge portion(s) entrain said central portion through said channel(s) into the processing line.