EP1152078A1 - Wärmeschutzmaterial - Google Patents

Wärmeschutzmaterial Download PDF

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Publication number
EP1152078A1
EP1152078A1 EP01401105A EP01401105A EP1152078A1 EP 1152078 A1 EP1152078 A1 EP 1152078A1 EP 01401105 A EP01401105 A EP 01401105A EP 01401105 A EP01401105 A EP 01401105A EP 1152078 A1 EP1152078 A1 EP 1152078A1
Authority
EP
European Patent Office
Prior art keywords
wick
knitted
threads
insulation material
synthetic
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.)
Withdrawn
Application number
EP01401105A
Other languages
English (en)
French (fr)
Inventor
Didier Royaerts
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.)
ROYAERTS, ALEXANDRE NICOLAS MARC
ROYAERTS, NICOLAS DENIS THOMAS
Original Assignee
ROYAERTS ALEXANDRE NICOLAS MARC
ROYAERTS NICOLAS DENIS THOMAS
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 ROYAERTS ALEXANDRE NICOLAS MARC, ROYAERTS NICOLAS DENIS THOMAS filed Critical ROYAERTS ALEXANDRE NICOLAS MARC
Publication of EP1152078A1 publication Critical patent/EP1152078A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials

Definitions

  • the present invention relates to an insulation material thermal.
  • a material constituting a firebreak which is in the form of a sheet made from a wire made of two synthetic materials, aramid and pre-oxidized, the wires being cracked, mixed, spun and knitted.
  • the sheet thus obtained has holes relatively large formed by meshes and which, thanks to the down formed by the cracking operation, traps a certain amount of air which constitutes insulation natural thermal slowing the conduction of heat.
  • This down also forms an optical filter whose lengths cut-off waves correspond to those of radiation thermal emission spectrum of the flame of a fire.
  • This fabric is light, easy to use and constitutes a fire barrier reducing radiation of a flame front.
  • One of the aims of the present invention is, starting from a thread used for fabric making flame arrester, to make a fabric capable of constituting a coating for the thermal protection of organs or of devices.
  • the invention relates to a manufacturing process a thermal insulation material in which we use stubborn yarn from a synthetic aramid yarn and a preoxidized synthetic yarn, these yarns being cracked to get fibers that are mixed and spun, said process being characterized in that, from several of these threads, a wick, said wick being knitted to obtain said material.
  • the invention also relates to the material obtained according to the above method and which is of the type produced from a synthetic aramid yarn and a synthetic yarn preoxidized, these threads being cracked and the fibers thus obtained mixed and spun, said material being characterized in that it consists of a wick made from several of these threads, the wick being knitted.
  • the wick is formed of at least four threads knitted on a lace-making machine.
  • the wick has a size included between N.M. 2.8 and N.M. 6.
  • the wick is knitted on a loom garnished with large needles.
  • Insulation material is made of fibers made from a known synthetic aramid yarn commercially under the name of "KEVLAR” and a thread pre-oxidized synthetic known commercially as of "SIGRAFIL 0". PANOX-PREOX.
  • These threads are made in a continuous form, the synthetic aramid yarn being light and having qualities of mechanical resistance, while the wire synthetic pre-oxidized is thermally stabilized, non-flammable and does not melt when heated.
  • the wires are subjected to a cracking operation to stretch them until they break to get fibers having lengths between 60 mm and 200 mm.
  • the fibers are mixed in the proportion 70% of fibers of the preoxidized synthetic yarn and 30% fibers of synthetic aramid yarn.
  • This wire thus obtained has, on its surface, fibrils which constitute a down and form a network reflective elements.
  • the wick thus obtained has a size of N.M. 2.8 (i.e. 2800 m for a kilo) to 6.
  • This wick has curls that enclose air trapped between the fibrils.
  • the lock obtained is knitted on a loom with large needles (gauge 2 to 6) and you get thus a knitted fabric which has a certain thickness and a certain volume of air which lends itself perfectly thermal protection of parts or devices for example liquefied gas tanks, electric batteries, batteries etc ...

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
EP01401105A 2000-05-02 2001-04-27 Wärmeschutzmaterial Withdrawn EP1152078A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0005583 2000-05-02
FR0005583A FR2808538B1 (fr) 2000-05-02 2000-05-02 Materiau d'isolation thermique

Publications (1)

Publication Number Publication Date
EP1152078A1 true EP1152078A1 (de) 2001-11-07

Family

ID=8849797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01401105A Withdrawn EP1152078A1 (de) 2000-05-02 2001-04-27 Wärmeschutzmaterial

Country Status (2)

Country Link
EP (1) EP1152078A1 (de)
FR (1) FR2808538B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103334213A (zh) * 2013-05-16 2013-10-02 江南大学 一种预氧丝捆绑的准全碳碳纤维双轴向纬编织物

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179067A (en) * 1985-08-12 1987-02-25 Firth Furnishings Ltd Fire resistant fabric
US4865906A (en) * 1988-01-22 1989-09-12 Smith Novis W Jr Flame retardant yard blend
EP0432003A1 (de) * 1989-11-22 1991-06-12 Didier Royaerts Neues Material, insbesondere bestimmt zum Gebrauch als Brandgasse
US5393595A (en) * 1989-11-22 1995-02-28 Didier Royaerts Firebreak fabric
US5651847A (en) * 1993-02-12 1997-07-29 Hoechst Ag Double-face circular knit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179067A (en) * 1985-08-12 1987-02-25 Firth Furnishings Ltd Fire resistant fabric
US4865906A (en) * 1988-01-22 1989-09-12 Smith Novis W Jr Flame retardant yard blend
EP0432003A1 (de) * 1989-11-22 1991-06-12 Didier Royaerts Neues Material, insbesondere bestimmt zum Gebrauch als Brandgasse
US5393595A (en) * 1989-11-22 1995-02-28 Didier Royaerts Firebreak fabric
US5651847A (en) * 1993-02-12 1997-07-29 Hoechst Ag Double-face circular knit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103334213A (zh) * 2013-05-16 2013-10-02 江南大学 一种预氧丝捆绑的准全碳碳纤维双轴向纬编织物

Also Published As

Publication number Publication date
FR2808538A1 (fr) 2001-11-09
FR2808538B1 (fr) 2002-07-19

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