METHOD AND DEVICE IN THE DRYING SECTION OF A PAPER MACHINE IN THE THREADING OF THE WEB

摘要

ABSTRACT OF THE DISCLOSUREA method and device in a multi-cylinder dryer of apaper machine in the threading of the paper web, the threadingtaking place substantially without a system of threading ropes,which provides a reliable transfer and support effect for theleader is disclosed. The web is passed along a meandering path,in twin-wire draw, over drying cylinders and, in single-wiredraw, on a drying wire over drying cylinders and leading suctioncylinders or rolls. The leader is guided by means of airblowings extending across a substantial proportion or the wholeof its width. The air blowings are applied from a doctor beam toan area proximate to the tip of the doctor blade at an acuteangle in relation to the plane of the doctor blade.