Wrappable, woven, abrasion and EMI resistant sleeve

Patent metadata

Field	Value
Publication number	US-12460324-B2
Application number	US-202418639899-A
Country	US
Kind code	B2
Filing date	Apr 18, 2024
Priority date	Apr 21, 2023
Publication date	Nov 4, 2025
Grant date	Nov 4, 2025

Abstract

A woven EMI sleeve has a wall with opposite edges extending lengthwise between opposite ends. The wall is wrapped about a central longitudinal axis into a tubular configuration bounding an enclosed cavity sized for receipt of an elongate member therein. The wall is woven with warp filaments extending generally parallel to the central longitudinal axis and weft filaments extending generally transversely to the warp filaments. The warp filaments include conductive filaments provided as wire filaments and separate non-conductive warp filaments. The weft filaments include heat-set filaments that are heat-formed to bias the wall into the tubular configuration and to bias opposite edges into overlapping relation with one another. The weft filaments also include conductive filaments.

First claim

What is claimed is:

1 . A wrappable, woven EMI resistant sleeve for routing and protecting an elongate member, comprising:
a wall having opposite edges extending lengthwise between opposite ends, said wall being wrapped about a central longitudinal axis into a tubular configuration bounding an enclosed cavity sized for receipt of the elongate member therein, said wall being woven with warp filaments extending generally parallel to said central longitudinal axis and weft filaments extending generally transversely to said warp filaments, said warp filaments including conductive warp filaments and non-conductive warp filaments, said weft filaments including heat-set filaments biasing said opposite edges into overlapping relation with one another and conductive weft filaments, wherein said non-conductive warp filaments form floats extending over and/or under two or more of said weft yarns, wherein said conductive warp filaments are woven in a plain weave pattern.

2 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein circumferentially adjacent ones of said floats are staggered relative to one another, such that the circumferentially adjacent floats extend axially beyond one another.

3 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein said heat-set filaments and said conductive weft filaments alternate with one another.

4 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein said conductive weft filaments are metallized filaments.

5 . The wrappable, woven EMI resistant sleeve of claim 4 , wherein said metallized filaments are metallized multifilaments.

6 . The wrappable, woven EMI resistant sleeve of claim 4 , wherein said metallized filaments are metallized monofilaments.

7 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein said conductive warp filaments are hybrid filaments including a synthetic yarn having a conductive wire filament twisted or served thereabout.

8 . The wrappable, woven EMI resistant sleeve of claim 7 , wherein said synthetic yarn is a multifilament.

9 . The wrappable, woven EMI resistant sleeve of claim 7 , wherein said synthetic yarn is a monofilament.

10 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein said non-conductive warp filaments and said conductive warp filaments alternate with one another in spaced relation about a circumference of said wall.

11 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein at least some of the floats form a plurality of external floats extending along an exposed outer surface of the wall.

12 . The wrappable, woven EMI resistant sleeve of claim 11 , wherein at least some of the floats form a plurality of cushions extending along a concealed inner surface of the wall for engagement with the elongate member to protect the elongate member against vibration and damage.

13 . A wrappable, woven EMI resistant sleeve for routing and protecting an elongate member, consisting of:
a single layer wall having opposite edges extending lengthwise between opposite ends, said wall being wrapped about a central longitudinal axis into a tubular configuration bounding an enclosed cavity sized for receipt of the elongate member therein, said wall being woven with warp filaments extending generally parallel to said central longitudinal axis and weft filaments extending generally transversely to said warp filaments, said warp filaments including wire filaments and non-conductive warp filaments separate from said wire filaments, said weft filaments including heat-set filaments biasing said opposite edges into overlapping relation with one another and conductive weft filaments, wherein said non-conductive warp filaments form floats extending over and/or under two or more of said weft yarns, wherein said wire filaments are woven in a plain weave pattern.

14 . The wrappable, woven EMI resistant sleeve of claim 13 , wherein said conductive weft filaments are hybrid filaments including a synthetic yarn having a conductive wire filament twisted or served thereabout.

15 . The wrappable, woven EMI resistant sleeve of claim 14 , wherein at least some of the floats extend over two or more of said weft yarns along an outer surface of the wall to form loop portions of a hook and loop type fastener and wherein at least some of the floats form a plurality of cushions extending along a concealed inner surface of the wall for engagement with the elongate member to protect the elongate member against vibration and damage.

16 . The wrappable, woven EMI resistant sleeve of claim 13 , wherein said conductive weft filaments are metallized filaments.

17 . The wrappable, woven EMI resistant sleeve of claim 16 , wherein said metallized filaments are metallized multifilaments and/or metallized monofilaments.

18 . The wrappable, woven EMI resistant sleeve of claim 1 , wherein said conductive warp filaments are wire filaments.

19 . The wrappable, woven EMI resistant sleeve of claim 18 , wherein said wire filaments have a copper core and an outer layer of tin or nickel.

20 . The wrappable, woven EMI resistant sleeve of claim 18 , wherein said wire filaments are provided as mini-braids.

Assignees

• Fed Mogul Powertrain Llc
• Systems Prot Group Us Llc

Inventors

• Sueur Thomas
• D'Almeida Damien
• Pinceloup Sophie
• Deltor Julien

Classifications

• D03D1/0058 Primary

  Electromagnetic radiation resistant · CPC title

• B32B2307/202

  Conductive · CPC title

• B32B2262/148

  Woven fabric · CPC title

• B32B2262/128

  Woven fabric · CPC title

• B32B2597/00

  Tubular articles, e.g. hoses, pipes · CPC title