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Indication of the wear level of a fabric by the use of filaments

A wear level, fabric technology, applied in the direction of fabrics, textiles, textiles and papermaking, can solve problems such as difficulty in measuring the thickness of papermaking fabrics

Active Publication Date: 2006-08-02
ALBANY INT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to measure the thickness of a papermaker's fabric beyond a foot or two from the edge of the fabric with this ruler, especially while the fabric is running on a paper machine

Method used

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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  • Indication of the wear level of a fabric by the use of filaments
  • Indication of the wear level of a fabric by the use of filaments
  • Indication of the wear level of a fabric by the use of filaments

Examples

Experimental program
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Embodiment Construction

[0022] Preferred embodiments of the present invention will be described below by describing fibers and papermaker's fabrics woven therefrom. However, it should be noted that the invention may be applicable to fabrics used in other industrial installations where wear detection and indication is of importance. .

[0023] Fabric structures include woven, spiral wound, knitted, extruded mesh, spiral wound, and other nonwoven fabrics. These fabrics may also include monofilament yarns, plied monofilament yarns, multifilament yarns, or plied multifilament yarns, and may be single-layer woven, multi-layer woven, or laminated. When the fabric is a spiral-wound fabric, the filaments may be spiral-wound, the spiral-wraps being joined by yarns or inserts (fillers) which may be present in the inner spaces of the spiral-wraps. Yarns are typically extruded from any of the synthetic polymeric resins used for this purpose by those of ordinary skill in the art of industrial fabrics, such as p...

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Abstract

The invention relates to wear level indicating filaments and the fabrics made thereof. Disclosed are filaments with multiple layers surrounding a core yarn, where the core and layers are distinguishable from one another so as to indicate fabric wear. Also disclosed are conductive monofilaments used to detect fabric wear, multilayer filaments used to create a guideline on a fabric, and a conductive monofilament that also has a contrasting color used to form a fabric guideline.

Description

technical field [0001] This invention relates to devices for detecting the degree of wear of papermaking fabrics and other industrial fabrics and forming an indication thereon, and in particular to multilayer filaments and conductive filaments useful as such devices. Background technique [0002] During papermaking, a web of cellulose fibers is formed in the forming section of a paper machine by depositing a fiber slurry, which is an aqueous dispersion of cellulose fibers, onto a moving forming fabric. Most of the water in the slurry is drained through the forming fabric, while the cellulosic web remains on the surface of the forming fabric. [0003] From the forming section, the newly formed cellulose web enters the press section, which consists of a series of press nips. A web of cellulosic fibers is supported by a press fabric, or typically between two such press fabrics, and passed through the press nip. In the press nip, the cellulosic web is subjected to compressive ...

Claims

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Application Information

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IPC IPC(8): D21F1/00D03D15/00D21F1/36D21G9/00D02G3/34D02G3/36
CPCD03D15/0083D03D15/0027Y10T442/3089Y10T442/3065D03D15/0033D10B2331/02D10B2331/04D21G9/0009D10B2401/16D21F1/365D10B2401/20D02G3/346D21F1/0027D02G3/36Y10T442/3114D10B2401/14D03D15/00D03D15/54D03D15/37D03D15/547D03D15/283D03D15/292
Inventor 佩尔·马汀生杰瑞·欧康纳安德斯·尼尔森大卫·A·唐恩杰恩·鲍德贝卡
Owner ALBANY INT CORP
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