End-fray resistant heat-shrinkable woven sleeve, assembly therewith and methods of construction thereof

Patent metadata

Field	Value
Publication number	US-10132012-B2
Application number	US-201313803225-A
Country	US
Kind code	B2
Filing date	Mar 14, 2013
Priority date	Mar 14, 2013
Publication date	Nov 20, 2018
Grant date	Nov 20, 2018

Abstract

A woven sleeve, sleeve assembly and methods of construction thereof are provided. The sleeve has a flexible, abrasion resistant, circumferentially closed and continuous elongate wall extending lengthwise along a central axis between opposite ends. The wall is woven with warp yarns extending generally parallel to the central axis and at least one heat-shrinkable weft yarn extending generally transversely to the warp yarns. The warp yarns provide the sleeve with coverage, abrasion resistance and flexibility and the weft yarn provides the ability to shrink the wall about an elongate member being protected within a cavity of the sleeve, as well as providing enhanced crush strength and abrasion resistance. At least one of the warp yarns and/or weft yarn includes at least one low melt, heat-fusible yarn served therewith to enhance resistance to end-fray during a cutting operation.

First claim

What is claimed is:

1. A method of constructing a flexible textile sleeve assembly, comprising:
providing an elongate member;
weaving an elongate wall having a circumferentially closed wall extending lengthwise along a central axis between opposite ends by weaving warp yarn extending generally parallel to the central axis with weft yarn including at least one heat-shrinkable weft yarn extending generally transversely to the warp yarn with at least one of the warp or weft yarns having a diameter between about 0.20-0.40 mm including at least one melt, heat-fusible yarn having a diameter between about 0.05-0.10 mm served thereabout;
at least partially melting the at least one low melt, heat-fusible yarn at a first temperature without substantially shrinking the at least one heat-shrinkable weft yarn;
cutting the wall to length;
disposing the elongate member in a cavity of the wall; and
heating the at least one heat-shrinkable weft yarn in the wall to a second temperature greater than said first temperature and shrinking the wall about the elongate member.

Assignees

• Fed Mogul Powertrain Inc
• Fed Mogul Powertrain Llc

Inventors

• Thomas Patrick
• Henin Delphine

Classifications

• D03D15/0027

  Textiles & Paper · mapped topic

• D03D1/0041

  Cut or abrasion resistant · CPC title

• D03D15/0094

  Textiles & Paper · mapped topic

• H02G3/0481

  with a circular cross-section (H02G3/0468, H02G3/0475 take precedence) · CPC title

• D10B2401/041

  thermoplastic; thermosetting · CPC title