NZ730145B2 - Electronically functional yarns - Google Patents

Electronically functional yarns

Info

Publication number
NZ730145B2
NZ730145B2 NZ730145A NZ73014515A NZ730145B2 NZ 730145 B2 NZ730145 B2 NZ 730145B2 NZ 730145 A NZ730145 A NZ 730145A NZ 73014515 A NZ73014515 A NZ 73014515A NZ 730145 B2 NZ730145 B2 NZ 730145B2
Authority
NZ
New Zealand
Prior art keywords
fibres
sleeve
yarn
devices
packing
Prior art date
Application number
NZ730145A
Other versions
NZ730145A (en
Inventor
Tilak Kithsiri Dias
Anura Rathnayake
Original Assignee
Nottingham Trent University
Filing date
Publication date
Priority claimed from GB1415837.2A external-priority patent/GB2529900B/en
Application filed by Nottingham Trent University filed Critical Nottingham Trent University
Publication of NZ730145A publication Critical patent/NZ730145A/en
Publication of NZ730145B2 publication Critical patent/NZ730145B2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0286—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist characterised by the use of certain filaments, fibres or yarns
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid fibres
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/18—Physical properties including electronic components

Abstract

Provided is an electronically functional yarn and a method of manufacture therefor comprising a series of electronic devices (2) mounted on a plurality of carrier fibres (6) which form a core with conductive interconnects (8) extending along the core and surrounded by a plurality of packing fibres (10). The plurality of packing fibres extends generally parallel to the axis of the yarn in order to preserve a substantially uniform cross-section along the length of the yarn between the devices and confined within a retaining sleeve (12) to protect the devices from exposure to other yarns, elements, or external conditions. Prior art yarns incorporating electronic devices which can be used in fabric products provide an electrical connection that is exposed on the yarn surface and can be compromised by contact with other yarns or elements, or by external conditions. A primary aim of the present invention is to avoid risk of such exposure and thereby enhance the efficiency of a device in a series of devices installed in a yarn.

Claims (21)

CLAIMS :
1. An electronically functional yarn comprising a plurality of carrier fibres forming a core with a series of electronic devices mounted thereon, wherein: conductive interconnects extend along the core; 5 a plurality of packing fibres extend generally parallel to the yarn axis around the core, the devices and the interconnects, which packing fibres preserve a substantially uniform cross- section along the length of the yarn and between the devices; the packing fibres are enclosed within a retaining sleeve around the packing fibres; and the core, the devices and the interconnects are confined within the plurality of packing 10 fibres retained in the sleeve.
2. A functional yarn according to Claim 1, wherein the carrier fibres are arranged in a substantially planar array.
3. A functional yarn according to Claim 2, wherein the electronic devices are all mounted on one side of the planar array. 15
4. A functional yarn according to any one of the preceding claims, wherein each device is mounted on at least two carrier fibres.
5. A functional yarn according to any one of the preceding claims, wherein the packing fibres are independent from one another.
6. A functional yarn according to any one of Claims 1 to 4, wherein at least some of the 20 packing fibres are bonded together.
7. A functional yarn according to any one of the preceding claims, wherein each device is enclosed in a protective polymeric pod.
8. A functional yarn according to any one of the preceding claims, wherein the interconnects comprise at least one conductor extending between carrier fibres past devices to which the 25 interconnect is not coupled.
9. A functional yarn according to any one of the preceding claims, wherein the retaining sleeve is a fibre structure.
10. A functional yarn according to Claim 9, wherein the retaining sleeve comprises a supplementary yarn helically wound around the packing fibres. 30
11. A functional yarn according to Claim 9, wherein the retaining sleeve comprises an interlaced fibre structure.
12. A functional yarn according to Claim 9, wherein the retaining sleeve comprises an interlooped knitted fibre structure.
13. A method of manufacturing a yarn incorporating electronic devices comprising: mounting electronic devices with conductive interconnects coupled thereto in sequence 5 on a core consisting of a plurality of carrier fibres; feeding the carrier fibres with the mounted devices and interconnects centrally through a channel with packing fibres around the sides thereof to form a fibre assembly around the core, the packing fibres extending generally parallel to and preserving a substantially uniform cross-section along the length of the fibre assembly; 10 feeding the fibre assembly into a sleeve forming unit in which a retaining sleeve is formed around the assembly to form a composite yarn; and withdrawing the composite yarn from the sleeve forming unit.
14. A method according to Claim 13: wherein the channel is formed centrally in a disc having openings around its periphery; 15 and wherein sleeve fibres are fed through the peripheral openings to the sleeve forming unit in which they are processed to form the sleeve.
15. A method according to Claim 13 or Claim 14, wherein the channel extends into the sleeve forming unit. 20
16. A method according to any one of Claims 13 to 15, wherein the carrier fibres are arranged in a substantially planar array.
17. A method according to any one of Claims 13 to 16, wherein each device is mounted on at least two carrier fibres.
18. A method according to any one of Claims 13 to 16, wherein the sleeve forming unit 25 comprises a braiding head.
19. A method according to any one of Claims 13 to 16, wherein the sleeve forming unit comprises a circular weft knitting head.
20. A method according to any one of Claims 13 to 16, wherein the sleeve forming unit comprises a circular warp knitting head. 30
21. A method according to any one of Claims 13 to 16, wherein a filler is injected into the fibre assembly between the devices as the fibre assembly passes from the channel to the sleeve forming unit.
NZ730145A 2015-09-04 Electronically functional yarns NZ730145B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1415837.2A GB2529900B (en) 2014-09-08 2014-09-08 Electronically functional yarns
PCT/GB2015/052553 WO2016038342A1 (en) 2014-09-08 2015-09-04 Electronically functional yarns

Publications (2)

Publication Number Publication Date
NZ730145A NZ730145A (en) 2022-12-23
NZ730145B2 true NZ730145B2 (en) 2023-03-24

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