Dryer fabric having longitudinal zones of different permeability
AssigneeHuyck Corporation
InventorPeter Mullaney
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Abstract
A method for making a woven dryer fabric having different permeabilities in different sections across its width to control the moisture profile of a web being conveyed through the dryer section of the papermaking machine is disclosed. Additional cross machine yarns are interwoven only over a selected distance or distances across the fabric in the cross machine direction. The non-interwoven segments of the additional cross machine direction yarns form surface floats which are subsequently removed by shearing.
Claims13
A papermaker's dryer fabric in the form of an endless belt, said dryer fabric comprising machine direction and cross machine direction yarns woven in a multi-layer weave, and additional cross machine direction yarns, in the form of stuffer yarns and of a length shorter than the width of the fabric, being located in said dryer fabric at selected positions across the width of said dryer fabric to produce longitudinally extending zones of different fluid permeabilities.
Dependencies are inferred from the claim text.