WO2003014449A1 - Tricot a mailles jetees - Google Patents

Tricot a mailles jetees Download PDF

Info

Publication number
WO2003014449A1
WO2003014449A1 PCT/IB2002/003098 IB0203098W WO03014449A1 WO 2003014449 A1 WO2003014449 A1 WO 2003014449A1 IB 0203098 W IB0203098 W IB 0203098W WO 03014449 A1 WO03014449 A1 WO 03014449A1
Authority
WO
WIPO (PCT)
Prior art keywords
warp
knit fabric
series
monofilament threads
monofilament
Prior art date
Application number
PCT/IB2002/003098
Other languages
English (en)
Inventor
Shamiel Bailey
Original Assignee
Vermooten, Joachim
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 Vermooten, Joachim filed Critical Vermooten, Joachim
Publication of WO2003014449A1 publication Critical patent/WO2003014449A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • 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
    • D10B2503/00—Domestic or personal
    • D10B2503/03—Inside roller shades or blinds

Definitions

  • THIS INVENTION relates to a warp-knit fabric. More particularly, it relates to a warp-knit fabric that is suitable for use as a fire-retardant shade net.
  • a warp-knit fabric comprising
  • each monofilament thread is formed into Pillar stitches extending in a warp direction;
  • the monotapes may be free of said fire-retardant substance.
  • the monofilament threads of the first series may have 16 pillar stitches per inch of fabric.
  • the monofilament threads of the second series may extend across the equivalent of three needle gaps.
  • the monofilament threads of the third series may extend across the equivalent of three needle gaps.
  • the monotapes may extend across the equivalent of five needle gaps.
  • the proportion, by weight, of the monofilament threads to the monotapes may be in the order of 3:1.
  • Each monofilament thread may contain, by weight, approximately 80% to 90% polymer compound and 9% to 18% fire-retardant substance. More particularly, each monofilament thread may contain, by weight, approximately 85% of polymer compound, 3% of a colouring agent and 12% of a the fire-retardant substance.
  • the monofilament threads may be of high density polyethylene of approximately 400 Denier.
  • the monofilament threads may have a diameter of approximately 0.2 mm.
  • the monotapes may be of high density polyethylene of approximately 350 Denier.
  • the monotapes may have a width of approximately 1.8 mm and a thickness of approximately 0.035 mm.
  • the fire-retardant substance may be a halogenated bromine compound.
  • the warp-knit fabric may be produced on a warp knitting machine employing four guide bars and having needle gaps of 1/8 inch.
  • Figure 1 shows a vertical section of a warp-knitting machine of the type used to make a warp-knit fabric in accordance with the invention
  • Figure 2 is pattern diagram illustrating the configuration of the different stitches of the monofilament threads and the monotapes forming the warp-knit fabric.
  • Figure 3 is a pattern diagram which illustrates the knit configuration of the warp-knit fabric.
  • a 16 gauge Raschel-type warp knitting machine which is used to produce the warp-knit fabric in accordance with the invention, comprises a series of latch needles 10, a trick plate 12 and four guide bars.
  • the first guide bar carries a series of guide needles 14.1
  • the second guide bar carries a series of guide needles 14.2
  • the third guide bar carries a series of needles 14.3
  • the fourth guide bar carries a series of guide needles 14.4.
  • the latch needles of the knitting machine are spaced 1/8 of an inch apart. Hence, the needle gaps are 1/8 of an inch.
  • the warp-knit fabric made on the knitting machine comprises a first series of monofilament threads M1 , each of which passes through the eye of a corresponding one of the guide needles 14.1 , a second series of monofilament threads M2 each of which passes through the eye of a corresponding one of the guide needles 14.2, a third series of monofilament threads M3 each of which passes through the eye of a corresponding one of the guide needles 14.3 and a fourth series of monotapes T each of which passes through the eye of a corresponding one of the guide needles 14.4.
  • the monofilament threads M1 are formed into Pillar stitches which extend in a warp direction.
  • the monofilament threads M1 have sixteen Pillar stitches per inch of fabric.
  • the monofilament threads M2 are knitted in a zig-zag fashion to form a Tuch stitch extending in a weft direction relative to the monofilament threads M1. More particularly, the monofilament threads M2 extend across the equivalent of three needle gaps.
  • the monofilament threads M3 are added to the monofilament threads M1 and M2 as a filler and extend across the equivalent of three needle gaps.
  • the monofilament threads M3 are knitted in a zig-zag fashion to perform a filling function.
  • the monofilament threads M1, M2 and M3 are formed in an extrusion process and have a fire-retardant substance incorporated therein in the extrusion process.
  • the fire-retardant substance is in the form of a halogenated bromine compound. More particularly, the fire-retardant compound is in the form of a fire-retardant compound that is commercially available in South Africa under the brand name "SARMAFLAM 26350".
  • the monofilament threads M1 , M2 and M3 are typically black in colour and thus do not require an ultra-violet (U-V) light protection agent to provide protection against U-V degradation.
  • U-V ultra-violet
  • each monofilament thread contains, by weight, approximately 85% of high density polyethylene (HDPE), 3% colouring agent and 12% of the fire-retardant compound.
  • the monofilament threads are approximately 400 Denier and have a diameter of approximately 0,2mm.
  • the monotapes T are added to the monofilament threads M1, M2 and M3 as a filler and are of 350 Denier HDPE. More particularly, the monotapes T have a width of 1.8mm and a thickness of 0.035mm. The monotapes T are knitted in a zig-zag fashion in a direction opposite to that of the monofilament threads M3. The monotapes T perform a filling function and extend across the equivalent of five needle gaps. It will be appreciated that the monofilament threads and the monotapes may be of other polymer compounds such as polypropylene or polyester.
  • the following pattern chain is used to set up the warp knitting machine and defines the knit configuration:
  • the warp-knit fabric is particularly suitable for use as an fire-retardant shade net.
  • the knit configuration has been designed to provide the warp-knit fabric with excellent fire-retardant qualities by providing for an optimal distribution of the fire-retardant substance throughout the fabric, while at the same time providing the fabric with good elongation and tensile strength properties in both warp and weft directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Abstract

L'invention concerne un tricot à mailles jetées destiné à être utilisé comme filet de protection solaire ignifuge, comprenant une première série de fils monofilament en polyéthylène (M1), qui sont chacun formés en chaînettes s'étendant dans le sens chaîne ; une deuxième série de fils monofilament (M2) en polyéthylène haute densité tricotés dans un mode zigzag pour former une maille chargée s'étendant dans le sens de la trame par rapport à la première série de fils monofilament ; une troisième série de fils monofilament en polyéthylène haute densité (M3) ajoutés à la première et deuxième série de fils monofilament comme rembourrage; et une quatrième série de mono-rubans en polyéthylène haute densité (T) ajoutés aux fils monofilament comme rembourrage, lesdits fils monofilament étant pourvus d'un composé de brome halogéné ignifuge incorporé à l'intérieur. La proportion en poids des fils monofilament par rapport aux mono-rubans est de l'ordre de 3:1. Chaque fil monofilament comprend en poids 85 % de polyéthylène haute densité, 3 % d'agent colorant et 12 % de composé ignifuge.
PCT/IB2002/003098 2001-08-07 2002-08-07 Tricot a mailles jetees WO2003014449A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2001/6495 2001-08-07
ZA200106495 2001-08-07

Publications (1)

Publication Number Publication Date
WO2003014449A1 true WO2003014449A1 (fr) 2003-02-20

Family

ID=25589263

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/003098 WO2003014449A1 (fr) 2001-08-07 2002-08-07 Tricot a mailles jetees

Country Status (1)

Country Link
WO (1) WO2003014449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017106906A1 (fr) * 2015-12-22 2017-06-29 Gale Pacific Limited Tricot

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806959A (en) * 1972-03-13 1974-04-30 Fairhope Fabrics Inc Knitted anti-static and flame-retardant blanket
US4067209A (en) * 1975-06-04 1978-01-10 Iws Nominee Company Limited Warp knit upholstery fabrics
JPH01105863A (ja) * 1987-01-14 1989-04-24 Kuroda Henshoku Kk メッシュシート及びその製造方法
DE3810121A1 (de) * 1988-03-25 1989-10-05 Hornschuch Ag K Tarnnetz und verfahren zu seiner herstellung
JPH0928556A (ja) * 1995-07-18 1997-02-04 Unitika Glass Fiber Kk 不燃性レースカーテン
EP0791306A1 (fr) * 1996-02-29 1997-08-27 Ykk Corporation Ruban à tricot chaîne réfléchissant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806959A (en) * 1972-03-13 1974-04-30 Fairhope Fabrics Inc Knitted anti-static and flame-retardant blanket
US4067209A (en) * 1975-06-04 1978-01-10 Iws Nominee Company Limited Warp knit upholstery fabrics
JPH01105863A (ja) * 1987-01-14 1989-04-24 Kuroda Henshoku Kk メッシュシート及びその製造方法
DE3810121A1 (de) * 1988-03-25 1989-10-05 Hornschuch Ag K Tarnnetz und verfahren zu seiner herstellung
JPH0928556A (ja) * 1995-07-18 1997-02-04 Unitika Glass Fiber Kk 不燃性レースカーテン
EP0791306A1 (fr) * 1996-02-29 1997-08-27 Ykk Corporation Ruban à tricot chaîne réfléchissant

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 06 30 June 1997 (1997-06-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 18 5 June 2001 (2001-06-05) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017106906A1 (fr) * 2015-12-22 2017-06-29 Gale Pacific Limited Tricot
US10844527B2 (en) 2015-12-22 2020-11-24 Gale Pacific Limited Knitted fabric

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