MULTILAYER PAPERMAKER’S FABRIC HAVING POCKET AREAS DEFINED BY A PLANE DIFFERENCE BETWEEN AT LEAST TWO TOP LAYER WEFT YARNS

摘要

A multi-layer tissue forming fabric constructed so that the top forming surface has topographical differences measured as a plane difference between at least two top weft yams (400, 410). The plane difference-the difference in height between the two weft yarns-must be greater than zero. Using at least two different diameter, size, or shape weft yarns positioned at the same contour in the forming surface creates this plane difference and defines pocket areas in the forming surface of the tissue forming fabric. The pocket areas act to generate bulk, cross directional tensile, absorbency, and softness in a formed sheet of tissue, napkin, or towel paper.