Composite forming fabric

a technology of composite fabric and fabric, applied in the field of fabric, can solve the problems of undesired variations in sheet absorption properties, undesired wire marks, wire marks, etc., and achieve the effect of reducing the potential water carrying potential of the fabric, enhancing the binding of the paper side layer, and reducing the overall height and void volume of the fabri
US20060231154A1Inactive Publication Date: 2006-10-19VOITH PATENT GMBH
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
VOITH PATENT GMBH
Publication Date
2006-10-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

A composite forming fabric comprising a paper side layer having a paper side surface, a machine side layer having a bottom wear side surface, and a plurality of pairs of first and second interchanging yarns, wherein: the paper side layer and the machine side layer each comprise warp yarns and weft yarns woven together; said paper side layer and said machine side layer each having a predetermined repeat of the weave pattern in the cross-machine-direction; each pair of first and second interchanging yarns having at least two segments in the paper side layer within each repeat of the weave pattern, said segments providing an unbroken weft path in the paper side surface, with each succeeding segment being separated in the paper side surface of the paper side layer by at least one paper side layer transitional warp yarn; at least one pair of first and second interchanging yarns within each repeat of the weave pattern being binder yarn pairs, each binder yarn in each binder yarn pair binding together the paper side layer and the machine side layer, and at least one pair of first and second interchanging within each repeat of the weave pattern being top weft / binder yarn pairs for stiffening the fabric and binding together the paper side layer and the machine side layer of the fabric.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates to fabrics with paired, interchanging yarns, and more particularly, to fabrics employed in web forming equipment, such as papermaking and non-woven web forming equipment. More particularly, the preferred fabrics of this invention are employed as forming fabrics in web forming equipment. BACKGROUND OF THE INVENTION

[0002] Papermaking involves the forming, pressing and drying of cellulosic fiber sheets. The forming process includes the step of depositing an aqueous stock solution of the fibers, and possibly other additives, onto the forming fabric upon which the initial paper web is formed. The forming fabric may run on a so-called Gap Former machine in which the aqueous stock initially is dewatered, and the initial paper sheet is formed between two forming fabrics.

[0003] An effective forming process typically produces a sheet with a very regular distribution of fibers and with a relatively high solids content, i.e., a high ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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