Patent ID: 9217225
Filing Date: 2015-12-22
Classification: D21F

Abstract:
1. A method of producing paper in which a web of paper is prepared and conveyed toward a final reel, the method comprising: trimming at least one side edge of the paper web to produce trim conveyed by a duct for recycling, the duct being an enclosed conduit having an inlet at one end and an outlet at the other end; using at least one linear air jet positioned over said duct and acting on said trim downstream and near a location of trimming to propel said trim into the inlet of said duct, said at least one linear air jet being transversely oriented with respect to both the web of paper and a cross-section of said duct at its inlet; carrying said trim by said at least one linear air jet along a predetermined distance within the enclosed conduit of said duct without a source of suction; and feeding said web after trimming toward said final reel.