Procedure for accomplishing closed conduction of the paper web in the initial part of the drying section in a paper machine

Abstract From the Canadian patent

A method of passing a paper web in closed conduction i.e. always supported by at least one felt or wire in a paper-, making machine front the end of a press section to the end of an initial section of a multiple cylinder dryer in which the drying cylinders are in two rows, comprising the steps of causing an endless primary dryer felt or wire to travel zig-zag from one of the rows to the other to lap all the drying cylinders in the initial section, with some of these cylinders in one row inside the loop of this primary felt or wire and others of these cylinders in another row and outside this loop, causing a secondary dryer felt or wire to lap one or more of the cylinders inside the loop of …