Dandy roll having a twill weave wiremark and related method for papermaking

A paper making process which comprises contacting damp paper stock with a dandy roll to form a wire mark in said stock, said dandy roll comprising an outer screen being counted upon a cylindrical frame formed by an inner cylindrical screen fixed between a pair of cylindrical spindle heads, said outer screen being formed of warp wires and shute wires woven in a one over and two under pattern having a long warp knuckle on a paper facing side of said screen and a short warp knuckle on the opposite side of said screen, said outer screen having a mesh range of about 4 to 9 mesh per inch.

A dandy roll comprising an outer screen for imparting a wiremark to paper, said outer screen being mounted upon a cylindrical frame formed by an inner cylindrical screen fixed between a pair of circular spidered heads, said outer screen being formed of wires having a twill weave such that said screen includes a long warp knuckle on a paper facing side of said screen and a short warp knuckle on the opposite side of said screen and being about four to nine mesh.

A paper making process which comprises contacting damp paper stock with a dandy roll to form a wiremark in said stock, said dandy roll comprising an outer screen being mounted upon a cylindrical frame formed by an inner cylindrical screen fixed between a pair of cylindrical spidered heads, said outer screen being formed of wires having at will weave such that said screen includes a long warped knuckle on a paper facing side of said screen and a long shute knuckle on the opposite side of said screen and being about four to nine mesh.