EP0820326A1 - Biegsame vorrichtung mit feuerhemmenden eigenschaften - Google Patents

Biegsame vorrichtung mit feuerhemmenden eigenschaften

Info

Publication number
EP0820326A1
EP0820326A1 EP96913574A EP96913574A EP0820326A1 EP 0820326 A1 EP0820326 A1 EP 0820326A1 EP 96913574 A EP96913574 A EP 96913574A EP 96913574 A EP96913574 A EP 96913574A EP 0820326 A1 EP0820326 A1 EP 0820326A1
Authority
EP
European Patent Office
Prior art keywords
molecules
endothermic reaction
generating
fibers
elements
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
EP96913574A
Other languages
English (en)
French (fr)
Other versions
EP0820326B1 (de
Inventor
Jacques Bureau
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.)
Mecanique Application Tissus Mecatiss
Original Assignee
Mecanique Application Tissus Mecatiss
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 Mecanique Application Tissus Mecatiss filed Critical Mecanique Application Tissus Mecatiss
Publication of EP0820326A1 publication Critical patent/EP0820326A1/de
Application granted granted Critical
Publication of EP0820326B1 publication Critical patent/EP0820326B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/92—Fire or heat protection feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/92—Fire or heat protection feature
    • Y10S428/921—Fire or flameproofing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/133—Inorganic fiber-containing scrim
    • Y10T442/148—Including a coating or impregnation containing particulate material other than fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/102—Woven scrim
    • Y10T442/172—Coated or impregnated
    • Y10T442/174—Including particulate material other than fiber in coating or impregnation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/50—FELT FABRIC
    • Y10T442/57—Including particulate material other than fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
    • Y10T442/667—Needled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/673—Including particulate material other than fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682—Needled nonwoven fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/699—Including particulate material other than strand or fiber material

Definitions

  • the present invention relates to a flexible device having fire-resistant properties.
  • This device aims to ensure the protection of elements, devices or apparatus against the propagation of heat in the event of fires.
  • This device is intended, for example, to protect electrical cables in a cable tray, in the event of an increase in heat due, for example, to a fire. It is indeed essential, in many installations, to be able to protect electric cables and other control cables during a fire, insofar as these are linked to fundamental safety systems.
  • the device according to the invention is a flexible device, in order to be able to fit as best as possible the areas to be protected.
  • This device comprises several components, in particular at least one layer of fibrous elements constituted for example by ceramic wool, possibly at least one protective fabric, with assembly of the various components by glue or an intermediate sealant.
  • Known devices can incorporate water molecules which, by vaporizing under the action of heat, absorb energy and delay the propagation of the rise in temperature from the face of the device turned towards the side of the fire towards the cold side of it.
  • the fireproof properties are not stable over time, due in particular to the natural dehydration of the device, linked to the environment, in particular the warm atmosphere of certain premises or installations, such as nuclear reactors, boilers or refineries. Under these conditions, there is a gradual loss of water from the protection device, limiting its effectiveness.
  • substrates such as ceramic fibers, are obtained by fusion at very high temperature, of the order of 2000 to 2300 ° C, which prohibits the natural presence of water in any form whatsoever.
  • French patent 2,701,850 in the name of the Applicant, relates to a device of this type, in which the assembly of the various elements, such as fibrous and / or textile elements, is carried out using a refractory glue comprising active components and / or additives containing chemically bound water, and stable at temperatures below 80 ° C.
  • a refractory glue comprising active components and / or additives containing chemically bound water, and stable at temperatures below 80 ° C.
  • the glue also contains water which is not chemically bound and which, for its part, will evaporate as the product ages.
  • the object of the invention is to provide a flexible device having fire-resistant properties, which has a reduced thickness, and whose stability over time is even better.
  • the device which it relates of the type comprising a complex of fibrous and / or textile and / or grid-shaped elements, is characterized in that inside at least one of the elements components of the complex are inserted dry particles of products containing molecules which are chemically and physically stable at ambient temperatures, and which generate an endothermic reaction when the temperature rises.
  • the molecules generating an endothermic reaction are dispersed in the mass of at least one of the constituent elements of the complex, without having been previously placed in an aqueous solution. These molecules are in the form of a powder, the particles of which are placed directly in at least one of the constituent elements of the complex, without being associated with an aqueous support, which becomes dehydrated as it ages. The stability of the device is therefore guaranteed, without any loss of efficiency over time.
  • this device comprises several types of molecules generating an endothermic reaction, ensuring the retention of water at different temperature levels, up to temperatures above 200 ° C.
  • This characteristic makes it possible to benefit from endothermic reactions at different temperatures, which promotes a delay in the transmission of heat from the hot face to the cold face of the device.
  • Different insertions of the molecules generating an endothermic reaction inside the complex are possible.
  • the molecules generating an endothermic reaction are arranged between the different layers of constituent elements of the complex.
  • the molecules generating an endothermic reaction are inserted into the openings corresponding to the meshes of the element.
  • the molecules generating an endothermic reaction are inserted into the thickness of the sheet, between the fibers.
  • Needling a sheet of fibers for example ceramic fibers, also makes it possible to reduce the thickness of this sheet, which constitutes an advantage, insofar as the device is intended to wrap elements of complex shape, not allowing too much material thickness. According to one possibility, in the case where it comprises several layers of superposed fibers, the needling operation is carried out at the same time through the various layers of fibers.
  • the molecules generating an endothermic reaction contain chemically bound water.
  • the molecules containing chemically bound water are chosen from hydrates of metal or metalloid oxides, such as hydrated alumina AI2O3, 3H2O.
  • the molecules generating an endothermic reaction consist of heavy metals, such as lead or mercury.
  • at least some of the constituent elements of the complex are assembled by a refractory glue itself containing molecules of chemically bonded water.
  • the quantity of glue used for the assembly of several constituent elements of the complex may be less than that used in patent 2 701 850, while benefiting from better stability over time and from cutting properties. - superior fires.
  • Figure 1 is a perspective view, partially broken away, of a device according to the invention applied to the protection of a cable tray;
  • Figure 2 is a schematic sectional view of a sheet of fibrous elements;
  • Figure 3 is a perspective view showing the treatment of a sheet of fibrous elements for the insertion therein of molecules generating an endothermic reaction
  • Figure 4 is a view of a diagram showing the evolution of the temperature on the side of the cold side, of three firebreak devices, the other side of which is subjected to the same temperature rise.
  • Figure 1 shows two cable trays 2, each for guiding and supporting a number of cables 3. These two cable trays, superimposed, are surrounded by a fire protection device, capable of withstanding for 1 H 30 min to a fire, without damage to the cables.
  • This device has interior and exterior faces coated with a fabric 4.
  • This fabric is, for example, a glass fabric whose exterior faces have been coated with silicone.
  • Each layer of fibrous elements consists, for example, of soluble and amorphous artificial fibers of alkaline earth silicate.
  • the thickness of each layer 5 is of the order of 35 to 40 mm, and its density is close to 130 kg per m 3 .
  • the different layers of fibrous elements 5 and of fabric 4 are joined to each other by a refractory adhesive 6 comprising elements containing chemically bonded water, stable at temperatures below 80 ° C. This glue holds up to around 1300 ° C.
  • each layer 5 of fibrous elements contains, in its thickness, molecules 7 stable at temperatures below about 80 ° C., comprising chemically bound water, chosen from oxide hydrates metallic.
  • FIG. 3 represents a layer 5 of fibrous elements during the execution of the insertion of the particles 7, by a needling technique, using a frame 8 animated with an alternating movement and equipped with a series of needles 9.
  • FIG. 4 represents the evolution of the temperature on the side of the cold face of three fire protection devices subjected to the same heating.
  • the three curves have been established taking into account the ISO834 standard.
  • Curve A represents the evolution of the temperature as a function of time, in the case of two fibrous layers, such as the layers 5 defined above, simply placed one on the other, without bonding.
  • Curve B represents the evolution of the temperature as a function of time, in the case where the same two layers are bonded with an adhesive comprising elements containing chemically bonded water.
  • Curve C represents the evolution of the temperature as a function of time, in the case where the two layers contain, distributed in their thickness, molecules 7, comprising chemically bound water, the two layers 5 then having an equal thickness three-quarters of the thickness of the layers of those used to establish curve B, and being bonded to each other using an adhesive identical to that used previously but the quantity of which is halved.
  • the performances are appreciably improved since the fire resistance is much longer.
  • the invention brings a great improvement to the existing technique by providing a flexible device having fire-resistant properties, of simple structure, whose performance is high, and whose stability over time is excellent .
  • the invention is not limited to the sole embodiment of this device, described above by way of example, on the contrary it embraces all variants.
  • the number of layers of fibrous elements could be different, that the complex could contain other molecules generating an endothermic reaction, such as mercury or lead, that the molecules generating an endothermic reaction could be placed.
  • the device may not include a protective fabric, or else may include other intermediate elements, such as an element with a grid-like structure, without being removed of the scope of the invention.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Laminated Bodies (AREA)
  • Insulated Conductors (AREA)
  • Fireproofing Substances (AREA)
  • Electric Cable Installation (AREA)
  • Building Environments (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
  • Ropes Or Cables (AREA)
  • Woven Fabrics (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Thermal Insulation (AREA)
  • Artificial Filaments (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP96913574A 1995-04-11 1996-04-11 Biegsame vorrichtung mit feuerhemmenden eigenschaften Expired - Lifetime EP0820326B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9504611 1995-04-11
FR9504611A FR2732897B1 (fr) 1995-04-11 1995-04-11 Dispositif souple ayant des proprietes coupe-feu
PCT/FR1996/000552 WO1996032161A1 (fr) 1995-04-11 1996-04-11 Dispositif souple ayant des proprietes coupe-feu

Publications (2)

Publication Number Publication Date
EP0820326A1 true EP0820326A1 (de) 1998-01-28
EP0820326B1 EP0820326B1 (de) 2000-03-22

Family

ID=9478204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96913574A Expired - Lifetime EP0820326B1 (de) 1995-04-11 1996-04-11 Biegsame vorrichtung mit feuerhemmenden eigenschaften

Country Status (12)

Country Link
US (1) US6147015A (de)
EP (1) EP0820326B1 (de)
JP (1) JP3949718B2 (de)
KR (1) KR100414586B1 (de)
CN (1) CN1105587C (de)
AT (1) ATE190854T1 (de)
DE (1) DE69607335T2 (de)
ES (1) ES2145443T3 (de)
FR (1) FR2732897B1 (de)
TW (1) TW422875B (de)
WO (1) WO1996032161A1 (de)
ZA (1) ZA962855B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246379A1 (de) 2016-05-17 2017-11-22 Compart Flexibles teil mit brandschutzeigenschaften

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304698B1 (en) * 1999-09-22 2001-10-16 Milliken & Company Conduit insert for optical fiber cable
DE10212066B4 (de) * 2002-03-19 2005-10-27 Hilti Ag Brandschutzmasse
US6718100B2 (en) * 2002-03-28 2004-04-06 Milliken & Company Fire resistant conduit insert for optical fiber cable
FR2925343B1 (fr) * 2007-12-19 2010-01-15 Freyssinet Matelas pour protection au feu, procede associe.
US8062464B2 (en) * 2008-09-09 2011-11-22 Graig Cropper Use of ceramic fiber fire barriers in vehicular compartments
FR2973252B1 (fr) * 2011-04-01 2013-11-01 Soletanche Freyssinet Revetement de protecton anti-feu et procede d'application
GB201201647D0 (en) * 2012-01-31 2012-03-14 Airbus Operations Ltd Aircraft electrical cable raceway
GB201201626D0 (en) 2012-01-31 2012-03-14 Airbus Operations Ltd Electrical cable protector
CN105113652A (zh) * 2015-09-16 2015-12-02 华东建筑设计研究院有限公司 一种柔性钢结构拉索防火保护构造
EP4006402B1 (de) 2020-11-26 2024-09-18 Soletanche Freyssinet Feuerbarriereschicht

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028408B (en) * 1978-08-21 1982-10-27 Hoelter H Fireproof closures
US4493945A (en) * 1982-08-23 1985-01-15 Thermal Science, Inc. Thermal protective system
US4600634A (en) * 1983-07-21 1986-07-15 Minnesota Mining And Manufacturing Company Flexible fibrous endothermic sheet material for fire protection
DE3541442A1 (de) * 1985-11-23 1987-06-04 Minnesota Mining & Mfg Feuerhemmende wanddurchfuehrung fuer elektrische kabel
DE4041470A1 (de) * 1990-12-22 1992-06-25 Bayer Ag Intumeszenzfaehige flaechengebilde, deren herstellung und deren verwendung
US5258216A (en) * 1990-12-22 1993-11-02 Bayer Aktiengesellschaft Sheet-like structures capable of intumescence, their production
CA2094367A1 (en) * 1992-04-22 1993-10-23 Michael Windsor Symons Composite panel
GB9209043D0 (en) * 1992-04-27 1992-06-10 B & K Southern Ltd Trunking
FR2701850B1 (fr) * 1993-02-26 1995-05-19 Mecatiss Dispositif souple ayant des propriétés coupe-feu.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9632161A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246379A1 (de) 2016-05-17 2017-11-22 Compart Flexibles teil mit brandschutzeigenschaften
WO2017198677A1 (fr) 2016-05-17 2017-11-23 Compart Piece souple a proprietes coupe-feu

Also Published As

Publication number Publication date
CN1105587C (zh) 2003-04-16
ATE190854T1 (de) 2000-04-15
KR100414586B1 (ko) 2004-05-20
ZA962855B (en) 1996-07-30
DE69607335T2 (de) 2000-12-14
TW422875B (en) 2001-02-21
JP3949718B2 (ja) 2007-07-25
ES2145443T3 (es) 2000-07-01
US6147015A (en) 2000-11-14
EP0820326B1 (de) 2000-03-22
FR2732897A1 (fr) 1996-10-18
CN1183732A (zh) 1998-06-03
DE69607335D1 (de) 2000-04-27
WO1996032161A1 (fr) 1996-10-17
KR19980703808A (ko) 1998-12-05
FR2732897B1 (fr) 1997-07-04
JPH11508778A (ja) 1999-08-03

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