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Grooved-shape monofilaments and the fabrics made thereof

A monofilament and fabric technology, applied in the direction of fabric, filament/thread forming, textile, etc., can solve the problem of paint detachment and so on

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

AI Technical Summary

Problems solved by technology

While the coating is sufficiently abrasion resistant, there is a general concern that the coating will loosen prematurely from round yarns

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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  • Grooved-shape monofilaments and the fabrics made thereof
  • Grooved-shape monofilaments and the fabrics made thereof
  • Grooved-shape monofilaments and the fabrics made thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] A first embodiment of the invention will be described in the context of a paper machine drying fabric. It is to be noted, however, that the present invention may be applied to fabrics used in other parts of paper machines, and to fabrics used in other industrial installations where surface smoothness and flatness, and controlled water, Air permeability is also important. Some examples of other fabric types to which the present invention can be applied include: paper machine forming and press fabrics, through-air drying (TAD) fabrics, and pulp forming fabrics. Another example is for fabrics used in papermaking processes, such as slurry filter fabrics and chemical washing machine fabrics. Another example where the invention can be applied to other fabric types are engineered fabrics such as those used in the manufacture of nonwovens in wet-laid, dry-laid, meltblown and / or spunbond techniques.

[0022] Fabric structures include: woven fabrics, spiral wound fabrics, knitt...

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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PUM

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Abstract

A monofilament with longitudinally oriented grooves and fabrics made thereof having reduced air permeability, wherein the reduced permeability is achieved without using additional coatings or stuffer yarns. Bicomponent monofilaments made from these grooved monofilaments using solution or wire coating have improved coating adhesion and may also include a conductive coating. In addition, the grooved bicomponent monofilaments may include a wear-indicating mechanism. Also disclosed are monofilaments with grooves formed in its surfaces. Advantageously, these grooved monofilaments exhibit improved adhesion to 'sheet-grip' coatings, as compared with circular monofilaments. In addition, fabrics comprising these grooved monofilaments demonstrate improved air handling. The grooved monofilaments may be incorporated in a fabric as MD yarns, CD yarns, or both CD and MD yarns.

Description

technical field [0001] This invention relates to shaped yarns and industrial fabrics. More specifically, the present invention relates to the use of grooves having a longitudinal arrangement to reduce fabric permeability without the need for additional coating or filling yarns. These yarns may also be bicomponent yarns with enhanced paint adhesion, or bicomponent yarns with wear indicating mechanisms. The present invention also relates to such grooved yarns which have better paint adhesion while improving the web and air retention of the fabric. 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 ...

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/253D21F1/00D21F7/08
CPCY10T442/637Y10T442/611Y10T442/638D21F1/0027Y10T442/3146Y10T428/2929D21F7/08D21F7/083Y10T428/2936D01D5/253D03D15/00D02G3/22D02G3/447B32B2255/02
Inventor 罗水源艾伦·毕林斯麦可·约瑟夫
Owner ALBANY INT CORP
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