CA2500958A1 - Ply-twisted yarn for cut resistant fabrics - Google Patents

Ply-twisted yarn for cut resistant fabrics Download PDF

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Publication number
CA2500958A1
CA2500958A1 CA002500958A CA2500958A CA2500958A1 CA 2500958 A1 CA2500958 A1 CA 2500958A1 CA 002500958 A CA002500958 A CA 002500958A CA 2500958 A CA2500958 A CA 2500958A CA 2500958 A1 CA2500958 A1 CA 2500958A1
Authority
CA
Canada
Prior art keywords
yarn
ply
component
twisted
twist
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002500958A
Other languages
French (fr)
Other versions
CA2500958C (en
Inventor
Reiyao Zhu
Richard H. Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2500958A1 publication Critical patent/CA2500958A1/en
Application granted granted Critical
Publication of CA2500958C publication Critical patent/CA2500958C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28Doubled, plied, or cabled threads
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442Cut or abrasion resistant yarns or threads

Abstract

A ply-twisted yarn useful in cut resistant fabrics is made by providing a first multifilament yarn of continuous organic filaments having a tensile strength of at least 4 grams per denier and having a twist in a first direction of from 0.5 to 10 turns per inch; providing a second yarn comprising 1 to 5 continuous inorganic filament(s); and ply-twisting the first yarn and the second yarn about each other 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn to form a ply-twisted yarn having an overall effective twist of +/- 5 turns per inch.

Claims (11)

1. A process for making a cut-resistant ply-twisted yarn comprising:
a) providing a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having a twist in a first direction of from 0.5 to 10 turns per inch;
b) providing a second yarn comprising 1 to 5 continuous inorganic filament(s); and c) ply-twisting the first yarn and the second yarn about each other 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn to form a ply-twisted yarn having an overall effective twist of +/-turns per inch.
2. The process of claim 1 wherein the first yarn comprises aramid filaments and the second yarn comprises steel filament(s).
3. A cut-resistant ply-twisted yarn comprising:
a) a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having twist in a first direction of from 0.5 to 10 turns per inch;
b) a second yarn comprising 1 to 5 continuous inorganic filament(s);
and c) the first yarn and the second yarn having a ply-twist about each other of 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn, said cut-resistant ply-twisted having an overall effective twist of +/-5 turns per inch.
4. The ply-twisted yarn of claim 3 wherein the first yarn comprises aramid filaments.
5. The ply-twisted yarn of Claim 3 wherein the first yarn of the cut-resistant yarn component comprises poly (p-phenylene terephthalamide) filaments.
6. The ply-twisted yarn of claim 3 wherein the inorganic filaments comprise steel filament(s).
7. A woven fabric useful in protective apparel made from yarn components comprising:
a body fabric yarn component, a cut-resistant yarn component comprising a ply-twisted yarn comprising a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, and a second yarn comprising 1 to 5 continuous inorganic filament(s); said ply-twisted yarn having an overall effective twist of +/- 5 turns per inch, the body fabric yarn component and the cut-resistant yarn component each being comprised of at least one yarn and each yarn component distinguished from the adjacent yarn component by interweaving orthogonal yarn components.
8. A woven fabric useful in protective apparel made from yarn components comprising:
a) a body fabric yarn component, b) a cut-resistant yarn component comprising a ply-twisted yarn comprising a first multifilament yarn comprising continuous organic filaments, and a second yarn comprising 1 to 5 continuous inorganic filament(s); said ply-twisted yarn having a positive overall effective twist , the body fabric yarn component and the cut-resistant yarn component being comprised of individual warp and fill yarns in the fabric, and wherein every fifth to ninth orthogonal warp and/or fill yarn component is a cut-resistant yarn component.
9. A process for making a woven fabric useful in protective apparel made from warp and fill yarn components comprising:

a) weaving a fabric from a body fabric yarn component, and b) inserting into the weave at every fifth to ninth warp and fill component a cut-resistant yarn component comprising a ply-twisted yarn comprising a first multifilament yarn comprising continuous organic filaments, and a second yarn comprising 1 to 5 continuous inorganic filament(s); said ply-twisted yarn having a positive overall effective twist.
10. A process for making a woven fabric useful in protective apparel made from warp and fill yarn components comprising:
a) weaving a fabric from a body fabric yarn component, and b) inserting into the weave at every fifth to ninth warp or fill component a cut-resistant yarn component to create an array of cut resistant yarn components, each component comprising a ply-twisted yarn comprising a first multifilament yarn comprising continuous organic filaments, and a second yarn comprising 1 to 5 continuous inorganic filament(s); said ply-twisted yarn having a positive overall effective twist.
11. A firefighting garment containing a cut-resistant ply-twisted yarn comprising:
a) a first multifilament yarn having a tensile strength of at least 4 grams per denier and comprising continuous organic filaments, said first yarn having twist in a first direction of from 0.5 to 10 turns per inch;
b) a second yarn comprising 1 to 5 continuous inorganic filament(s); and c) the first yarn and the second yarn having a ply-twist about each other of 2 to 15 turns per inch in a second direction opposite to that of the twist in the first yarn, said cut-resistant ply-twisted having an overall effective twist of +/-5 turns per inch.
CA2500958A 2002-10-03 2003-10-01 Ply-twisted yarn for cut resistant fabrics Expired - Fee Related CA2500958C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/264,006 2002-10-03
US10/264,006 US7127879B2 (en) 2002-10-03 2002-10-03 Ply-twisted yarn for cut resistant fabrics
PCT/US2003/031673 WO2004031462A1 (en) 2002-10-03 2003-10-01 Ply-twisted yarn for cut resistant fabrics

Publications (2)

Publication Number Publication Date
CA2500958A1 true CA2500958A1 (en) 2004-04-15
CA2500958C CA2500958C (en) 2012-05-22

Family

ID=32042126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2500958A Expired - Fee Related CA2500958C (en) 2002-10-03 2003-10-01 Ply-twisted yarn for cut resistant fabrics

Country Status (11)

Country Link
US (1) US7127879B2 (en)
EP (1) EP1546442B1 (en)
JP (1) JP4594095B2 (en)
KR (1) KR101082222B1 (en)
CN (1) CN1703545B (en)
AU (1) AU2003275456A1 (en)
BR (1) BR0314483B1 (en)
CA (1) CA2500958C (en)
DE (1) DE60333767D1 (en)
MX (1) MXPA05003384A (en)
WO (1) WO2004031462A1 (en)

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Also Published As

Publication number Publication date
KR20050054989A (en) 2005-06-10
AU2003275456A1 (en) 2004-04-23
CN1703545B (en) 2010-06-16
US20040065072A1 (en) 2004-04-08
DE60333767D1 (en) 2010-09-23
EP1546442A1 (en) 2005-06-29
US7127879B2 (en) 2006-10-31
CN1703545A (en) 2005-11-30
MXPA05003384A (en) 2005-06-22
JP2006502315A (en) 2006-01-19
BR0314483B1 (en) 2013-09-17
CA2500958C (en) 2012-05-22
EP1546442B1 (en) 2010-08-11
KR101082222B1 (en) 2011-11-09
BR0314483A (en) 2005-07-26
WO2004031462A1 (en) 2004-04-15
JP4594095B2 (en) 2010-12-08

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