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Fabrics having knit structures exhibiting auxetic properties and garments formed thereby

Inactive Publication Date: 2008-01-17
HBI BRANDED APPAREL ENTERPRISES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013]Further objects and advantages of the present disclosure are provided by a garment comprising a fabric having a kni

Problems solved by technology

It is known that many garments have a tendency to “creep” or “ride-up” during use.
This tendency can result in the garment, or portions of thereof, moving from a desired position, to an undesired position.
Garments in this undesired position can be a source of discomfort and / or can provide a less than optimal aesthetic appearance.
In the example where the garment is a shape or support garment, the garment often provides less than optimal support or shaping characteristics when in the undesired position.
Further, the tendency to creep to an undesired position can also require the user to adjust the garment in order to return the garment to its correct position.
When the garment is an intimate apparel garment, the requirement for such adjustments can be a source of embarrassment.

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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  • Fabrics having knit structures exhibiting auxetic properties and garments formed thereby
  • Fabrics having knit structures exhibiting auxetic properties and garments formed thereby
  • Fabrics having knit structures exhibiting auxetic properties and garments formed thereby

Examples

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Embodiment Construction

[0027]Materials that exhibit positive Poisson's ratio properties, which are discussed in detail with respect to FIGS. 1A and 2A, have been determined by the present disclosure, when used in a garment, to reduce the fit of the resultant garment.

[0028]As show in FIG. 1A, materials in ‘plate’ form generally adopt a saddle-shape curvature when exposed to out of plane bending as a result of the positive Poisson's ratio. As shown in FIG. 2A, materials having a positive Poisson's ratio, when exposed to in-plane forces, namely when placed in tension in the y-direction, contract in a direction transverse (e.g., the x-direction) to the direction of the tensile load. It has been determined by the present disclosure that fabrics exhibiting the aforementioned properties (e.g., saddle curvature and positive Poisson's contraction) can, when used to form a garment, reduce the fit of the garment.

[0029]Advantageously, the present disclosure provides fabrics having knit structures that exhibit auxetic...

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 fabric is provided that includes a knit structure having a geometric shape imparting an auxetic property to the fabric due to rotation of one or more portions of the knit structure. In some aspects, the fabric includes a knit structure having a triangular lattice shape that imparts an auxetic property to the fabric.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. application Ser. No. 11 / 475,336, filed on Jun. 27, 2006, now pending.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present disclosure is related to knit structures for fabrics. More particularly, the present disclosure is related to fabrics having knit structures that exhibit auxetic properties and garments formed thereby.[0004]2. Description of Related Art[0005]Many types of apparel garments, such as but not limited to, panties, brassieres, camisoles, bathing suits, pantyhose, leotards, and others have been proposed. Similarly, many medical garments, such as but not limited to, retention bandages, support devices, and / or compression bandages have been proposed. As used herein, such apparel and / or medical garments are hereinafter individually and / or collectively referred to as “garments”.[0006]Such garments can often include one or more support and / or shaping areas. ...

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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IPC IPC(8): D04B1/22
CPCD04B21/06A43B1/04A43B23/0205A43B23/0245
Inventor STARBUCK, MICHAELANAND, SUBHASH CHANDERRAVIRALA, NAVEENALDERSON, KIM LESLEYALDERSON, ANDREW
Owner HBI BRANDED APPAREL ENTERPRISES
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