EP0839969A1 - Barrière de protection passive contre la propagation de flammes ou de chaleur - Google Patents

Barrière de protection passive contre la propagation de flammes ou de chaleur Download PDF

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Publication number
EP0839969A1
EP0839969A1 EP96830547A EP96830547A EP0839969A1 EP 0839969 A1 EP0839969 A1 EP 0839969A1 EP 96830547 A EP96830547 A EP 96830547A EP 96830547 A EP96830547 A EP 96830547A EP 0839969 A1 EP0839969 A1 EP 0839969A1
Authority
EP
European Patent Office
Prior art keywords
barrier according
casing
constituted
intumescent substance
barrier
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Withdrawn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
EP96830547A
Other languages
German (de)
English (en)
Inventor
Pietro Migliavacca
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.)
Individual
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
Priority to EP96830547A priority Critical patent/EP0839969A1/fr
Publication of EP0839969A1 publication Critical patent/EP0839969A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor

Definitions

  • the present invention relates to a barrier for passive protection against the spread of flames or heat.
  • protective barriers are generally constituted by panels or coverings based on mineral fibers, or based on cement compounds, or paints based on intumescent substances which are applied to the surfaces of the objects or structures to be protected.
  • a further problem of these barriers is constituted by their low resistance to atmospheric and environmental factors, particularly humidity, which reduce their effectiveness over time by degrading their properties and/or composition.
  • a principal aim of the present invention is to solve the above problems by providing a barrier for passive protection against the spread of flames or heat that offers adequate assurances of safety against the emission of noxious or polluting substances both during and after application.
  • an object of the present invention is to provide a barrier that does not produce emissions of gases, vapors, or noxious fumes when it makes contact with flames or is exposed to high temperatures.
  • Another object of the invention is to provide a barrier that offers adequate assurances of resistance to environmental or atmospheric factors, particularly humidity, maintaining its effectiveness unchanged over time.
  • Another object of the present invention is to provide a barrier that is highly versatile in use so that it can be used for various applications.
  • a barrier for passive protection against the spread of flames or heat characterized in that it comprises a casing internally forming at least one compartment sealed with respect to the outside environment and containing an intumescent substance that can be released externally in the presence of flames or heat that break said casing.
  • the barrier according to the invention substantially comprises a casing that internally forms at least one compartment that is sealed with respect to the outside environment and contains an intumescent substance that is released externally in the presence of flames or heat that break the casing in which the intumescent substance it contained.
  • the casing that contains the intumescent substance can be simply constituted by a structure, such as for example a panel, in which an interspace is provided that is sealed with respect to the outside environment and contains the intumescent substance.
  • the casing that contains the intumescent substance 1 can be constituted simply by a panel composed of two sheets 2 and 3 facing each other and mutually spaced.
  • the two sheets 2 and 3 are sealed peripherally, so that the compartment 4, which is formed between the two sheets 2 and 3 and contains the intumescent substance 1, is sealed with respect to the outside environment.
  • the sheets 2 and 3 can be made of metallic material, for example aluminum, or glass, or synthetic material, preferably a waterproof material.
  • the casing that contains the intumescent substance can also be constituted, as shown in figures 2 and 3, by a sheet of synthetic material with a plurality of blisters, in which the intumescent substance 1 is placed inside the various blisters.
  • the blisters are formed by a layer of synthetic material 5 that is deformed so as to have hollow recesses 6 that are directed towards another layer of synthetic material 7 that faces the layer 5 and is sealed against it, so as to hermetically close the hollow recesses 6, which are filled with the intumescent substance 1 beforehand.
  • the sheet of multiple-blister synthetic material can be constituted by three layers of synthetic material instead of two: respectively, two flat layers 8 and 9 that face each other and a third layer 10 that is interposed between them and in which the hollow recesses 11 containing the intumescent substance 1 are formed.
  • the casing that contains the intumescent substance 1 can also be made of appropriately waterproofed paper-like material.
  • the casing can be constituted by corrugated cardboard with at least one substantially flat layer 12, on one face whereof a corrugated layer 13 is applied so that cells 14 are formed between the layer 12 and the layer 13; the intumescent substance 1 is introduced in said cells.
  • the casing that contains the intumescent substance can also be constituted by two sheets 16 and 17 facing each other and between which an additional honeycomb structure 18 is interposed, forming a plurality of cells inside which the intumescent substance 1 is introduced.
  • the various cells are delimited, hermetically with respect to the outside environment, by the sheets 16 and 17 and by the additional structure 18.
  • the material of which the sheets 16 and 17 and the additional structure 18 are made can be constituted by metallic material, synthetic material, or paper-like material, or by glass, exclusively for the sheets 16 and 17, according to the requirements.
  • the casing that contains the intumescent substance 1 can also be simply constituted by a macrocapsule 19 that can have various configurations according to the requirements and is preferably made of synthetic material.
  • the dimensions of the macrocapsule 19 can vary according to the type of use for which it is meant.
  • the macrocapsules 19 can be used as filler for interspaces formed inside structures such as panels or the like, or directly inside interspaces formed in the walls of buildings to be protected.
  • the intumescent substance 1 is conveniently of an inorganic type and is preferably constituted by a silicate or by a mixture of alkaline silicates.
  • the intumescent substance 1 can be introduced in the casing of the barrier according to the invention in powder form, in liquid form, or in pasty or gel form, according to the requirements.
  • the barrier according to the invention makes contact with flames, or is simply raised to a temperature above 100 o C, it forms a foam or porous expanding mass that is highly insulating and refractory and can reach a final volume that is approximately 10-15 times the original one.
  • the intumescent substance by expanding, breaks the casing in which it is contained and leaks out, forming a compact layer of rigid and insulating foam on the entire surface of the barrier.
  • the intumescent substance contained in the barrier according to the invention does not emit toxic gases or fumes even if it makes direct contact with the flame.
  • the casing that contains the intumescent substance 1 can be made of deformable material, so as to allow to apply the barrier in close contact with various kinds of items, such as piping or electric wires, for which protection against flames or high temperatures is desired.
  • the barrier according to the invention fully achieves the intended aim, since it ensures excellent resistance to flames and heat without causing polluting or noxious emissions.
  • Another advantage of the barrier according to the invention is that in the absence of flames or high temperatures it prevents the contact of the intumescent substance with external factors, particularly humidity, protecting the effectiveness of the intumescent substance over time.
EP96830547A 1996-10-29 1996-10-29 Barrière de protection passive contre la propagation de flammes ou de chaleur Withdrawn EP0839969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP96830547A EP0839969A1 (fr) 1996-10-29 1996-10-29 Barrière de protection passive contre la propagation de flammes ou de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830547A EP0839969A1 (fr) 1996-10-29 1996-10-29 Barrière de protection passive contre la propagation de flammes ou de chaleur

Publications (1)

Publication Number Publication Date
EP0839969A1 true EP0839969A1 (fr) 1998-05-06

Family

ID=8226043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96830547A Withdrawn EP0839969A1 (fr) 1996-10-29 1996-10-29 Barrière de protection passive contre la propagation de flammes ou de chaleur

Country Status (1)

Country Link
EP (1) EP0839969A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG116419A1 (en) * 2001-07-10 2005-11-28 Betzer Tsilevich Maoz An endothermic heat shield composition and a method for the preparation.
US9103116B2 (en) 2013-11-05 2015-08-11 Securus, Inc. Extendable sleeve for poured concrete deck
US10975567B2 (en) 2017-12-21 2021-04-13 Reliance Worldwide Corporation Extendable sleeve for poured concrete deck

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2239566A1 (en) * 1973-08-03 1975-02-28 Openroll Heat retarding fire cut off door - is steel asbestos sandwich contg. bags of low boiling point liquid
GB1387582A (en) * 1972-09-05 1975-03-19 Kaines C C Fire resisting panel
GB2023452A (en) * 1978-06-14 1980-01-03 Bfg Glassgroup Fire screening glazing panel
US4200673A (en) * 1977-11-15 1980-04-29 The Lilly Company Method of forming fire retardant printed wood paneling
GB2070114A (en) * 1980-01-31 1981-09-03 Lorient Polyprod Ltd Intumescent sealing strip
DE3108921A1 (de) * 1980-03-13 1982-01-28 Paul Ernst 4104 Oberwil Wymann Feuerschutz-absperrvorrichtung fuer einen durchgang
EP0062298A2 (fr) * 1981-03-31 1982-10-13 FIBERGLAS CANADA Inc. Etanchéité durcissant à la chaleur pour accouplements flexibles
DE3125577A1 (de) * 1981-06-30 1983-01-13 Bayer Ag, 5090 Leverkusen Feuerwiderstandsfaehiges bauteil
GB2161185A (en) * 1984-03-06 1986-01-08 Lloyd Jones Robert Fire-extinguishing construction member
US4720414A (en) * 1986-06-25 1988-01-19 Burga Roque F Fire-resistant material
DD260217A1 (de) * 1987-05-04 1988-09-21 Leipzig Handelshochschule Verfahren zur warenpflege von gefriergut
EP0296037A1 (fr) * 1987-06-10 1988-12-21 Aircal S.A. Film à bulles d'air, isolant thermique anti-feu, procédé de fabrication de ce film et dispositif pour la mise en oeuvre de ce procédé
SU1729529A1 (ru) * 1990-04-23 1992-04-30 Всесоюзный научно-исследовательский институт противопожарной обороны Способ тушени пожаров

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1387582A (en) * 1972-09-05 1975-03-19 Kaines C C Fire resisting panel
FR2239566A1 (en) * 1973-08-03 1975-02-28 Openroll Heat retarding fire cut off door - is steel asbestos sandwich contg. bags of low boiling point liquid
US4200673A (en) * 1977-11-15 1980-04-29 The Lilly Company Method of forming fire retardant printed wood paneling
GB2023452A (en) * 1978-06-14 1980-01-03 Bfg Glassgroup Fire screening glazing panel
GB2070114A (en) * 1980-01-31 1981-09-03 Lorient Polyprod Ltd Intumescent sealing strip
DE3108921A1 (de) * 1980-03-13 1982-01-28 Paul Ernst 4104 Oberwil Wymann Feuerschutz-absperrvorrichtung fuer einen durchgang
EP0062298A2 (fr) * 1981-03-31 1982-10-13 FIBERGLAS CANADA Inc. Etanchéité durcissant à la chaleur pour accouplements flexibles
DE3125577A1 (de) * 1981-06-30 1983-01-13 Bayer Ag, 5090 Leverkusen Feuerwiderstandsfaehiges bauteil
GB2161185A (en) * 1984-03-06 1986-01-08 Lloyd Jones Robert Fire-extinguishing construction member
US4720414A (en) * 1986-06-25 1988-01-19 Burga Roque F Fire-resistant material
DD260217A1 (de) * 1987-05-04 1988-09-21 Leipzig Handelshochschule Verfahren zur warenpflege von gefriergut
EP0296037A1 (fr) * 1987-06-10 1988-12-21 Aircal S.A. Film à bulles d'air, isolant thermique anti-feu, procédé de fabrication de ce film et dispositif pour la mise en oeuvre de ce procédé
SU1729529A1 (ru) * 1990-04-23 1992-04-30 Всесоюзный научно-исследовательский институт противопожарной обороны Способ тушени пожаров

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 8907, 21 September 1988 Derwent World Patents Index; AN 89047234, XP002028455 *
DATABASE WPI Week 9314, 30 April 1992 Derwent World Patents Index; AN 93115519, XP002028454 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG116419A1 (en) * 2001-07-10 2005-11-28 Betzer Tsilevich Maoz An endothermic heat shield composition and a method for the preparation.
US9103116B2 (en) 2013-11-05 2015-08-11 Securus, Inc. Extendable sleeve for poured concrete deck
US10975567B2 (en) 2017-12-21 2021-04-13 Reliance Worldwide Corporation Extendable sleeve for poured concrete deck
US11603659B2 (en) 2017-12-21 2023-03-14 Reliance Worldwide Corporation Cap for a tubular sleeve for a concrete structure

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