WO2004053249A1 - Panneau isolant a compensation de dilatation thermique - Google Patents

Panneau isolant a compensation de dilatation thermique Download PDF

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Publication number
WO2004053249A1
WO2004053249A1 PCT/EP2003/003878 EP0303878W WO2004053249A1 WO 2004053249 A1 WO2004053249 A1 WO 2004053249A1 EP 0303878 W EP0303878 W EP 0303878W WO 2004053249 A1 WO2004053249 A1 WO 2004053249A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
cushion
panel according
mineral wool
insulating core
Prior art date
Application number
PCT/EP2003/003878
Other languages
English (en)
Inventor
Maurizio Morandi
Original Assignee
Metecno Spa
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 Metecno Spa filed Critical Metecno Spa
Priority to AU2003229669A priority Critical patent/AU2003229669A1/en
Priority to US10/538,255 priority patent/US20060174586A1/en
Priority to EP03722476A priority patent/EP1570140A1/fr
Priority to MXPA05006268A priority patent/MXPA05006268A/es
Publication of WO2004053249A1 publication Critical patent/WO2004053249A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/358—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation with at least one of the layers being offset with respect to another layer

Definitions

  • the present invention relates to an insulating panel of the "sandwich" type, in which a core of insulating material, generally a synthetic foam, is interposed between two outer faces made of metallic sheet.
  • a core of insulating material generally a synthetic foam
  • These panels are commonly used in the construction of roofing and walls of buildings, prefabricated structures, industrial sheds and the like.
  • WO/9921712 in the name of Process Plastics Limited a composite panel is known in which the outer faces are made of thermoplastic material based on flame- resistant polyester or polycarbonate; between these faces is interposed an insulating core made of phenolic resin foam. hi order to increase the flame penetration barrier, in this panel a vitreous layer is applied between the outer faces and the insulating foam.
  • This panel is capable of remedying the drawbacks considered previously in relation to the deformation of the panels having faces made of metallic sheet; however, it is clear that having the faces made of plastics, it cannot have the same mechanical properties such as rigidity or others, as a metallic panel (obviously with equal dimensions).
  • the technical problem which the present invention aims to solve is therefore that of producing a sandwich type panel having outer faces made of metallic sheet and which is capable of remedying the drawbacks described above with reference to the current state of the art.
  • the idea for solving this problem is that of producing a panel able to compensate the thermal effects which occur when its faces are subjected to great differences in temperature, thereby increasing the resistance in the case of fire.
  • Such a panel is characterised in that between at least one of the metallic faces and the core of insulating material, a cushion of mineral wool is applied: this cushion in fact constitutes a fibrous layer, capable of absorbing the slippage which occur between the insulating core and the metallic faces in the plane of the latter, and of thermally protecting the core itself.
  • a panel structure of this type makes it possible to use for the insulating core both a synthetic foam, i.e. a deformable and combustible material which under normal conditions has a good capacity of adhesion and adaptation to the faces of the panel, and rigid slabs of perlite or another material which have a behaviour rather different from that of the faces.
  • a synthetic foam i.e. a deformable and combustible material which under normal conditions has a good capacity of adhesion and adaptation to the faces of the panel, and rigid slabs of perlite or another material which have a behaviour rather different from that of the faces.
  • the mineral wool has a density of between 40 and 200 kg/m 3 and a thickness of between 10% and 50% of that of the insulating core; this thickness will depend on various factors, such as the type of insulating material selected, the dimensions of the panel, the presence of the mineral wool at one or both faces, the conditions of use of the panel, the degree of fire resistance required and the like.
  • Fig. 1 is an axonometric view of a first panel according to the invention
  • Fig. 2 shows the cross-section of the panel of Fig. 1;
  • Fig. 3 shows the cross-section of a second panel of the invention
  • Fig. 4 is an axonometric view of a third example of panel of the invention.
  • a whole sandwich type insulating panel is indicated by 1, having two visible faces 2 and 3 made of sheet metal; the metal of such sheets maybe steel, copper or aluminium.
  • the face 2 which is the upper face with reference to the figures, has high trapezoidal stiffening ribs 5 alternating with other smaller ribs indicated by 6, while the face 3, which is the lower face in the figures, has only light ribs 7; ribs of this type are however well known in the art and do not therefore require more detailed explanation.
  • insulating material Adjacent to the upper face 2 of the panel there is a core 10 of insulating material, typically an expanded synthetic resin which may be polyurethane, phenolic or some other resin; this material indeed permits complete filling also of the internal space of the deep ribs 5.
  • the insulating core 10 may also be constituted by a rigid slab of perlite or other similar material having good thermal insulation properties.
  • a cushion 12 of mineral wool between the core 10 and the lower face 3 of the panel 1, however, there is disposed a cushion 12 of mineral wool; the latter preferably has a density of between 40 and 200 kg/m 3 while the thickness S c of the cushion is between 10% and 50% of the maximum thickness S p of the panel 1.
  • the latter is produced by fixing the cushion 12 of mineral wool to the lower face 3 with a suitable adhesive, of a type which is known per se, and then causing the synthetic foam 10 to expand, as normally occurs in conventional panels.
  • the cushion 12 is locked between the foam insulating core 10 and the lower face 3 of the panel: however, owing to its characteristics, the cushion 12 compensates for the thermal effects acting on the sheet metal with which the lower face 3 is formed.
  • the fibres of the mineral wool are predominantly orientated parallel to the faces of the panel; alternatively, the fibres are orientated in a direction partially 90 transverse thereto, that is to say, in a direction substantially perpendicular to the lower face 3.
  • the cushion 12 of mineral wool fulfils various tasks.
  • the principal one is that of creating a thermal barrier in the case of fire, protecting the insulating core 10 made of synthetic foam, which has a low fire resistance.
  • the second is that it absorbs the differential thermal actions between the lower face 3 and the insulating core 10 because, as stated above, it does not
  • the third is that it can absorb the deformation deflection of the lower face 3, when the latter bows as a result of its thermal expansion.
  • the cushion 12 is in fact, within certain limits, compressible so that when the sheet metal forming the lower face 3 of the panel bows (upwards with reference to Figures 1 and 2), the cushion absorbs its deformation without inducing significant stresses in the remainder of the panel: obviously this effect will depend on the thickness of the cushion 12 and on the density of the mineral 120 wool with which it is formed. In this circumstance it should be emphasized that the latter, as can be seen, occupies only a part of the thickness of the entire panel (from 10 to 50%), so as to avoid the problems of condensation within the latter which can be observed in panels whose insulation is made entirely of mineral wool. 125 Moreover, the panel thus produced has insulating properties superior to those of the panels of equal thickness, but having an insulating core formed entirely of mineral wool.
  • FIG. 3 which illustrates the cross-section of a second example of a panel according to the invention.
  • 140 In this figure the same reference numbers have been used to indicate the elements structurally or functionally equivalent to those of the first embodiment, adding 20 to each of the numbers; thus, the panel as a whole is indicated by 21, its upper face by 22, the lower one by 23, the insulating core by 30, and so on.
  • this second panel is symmetrical with respect to its median 145 plane and is equipped with two cushions 32 of mineral wool adjacent to its faces
  • the insulating core 30 may be made of polyurethane or phenolic foam, for which the same considerations stated previously apply; however, as an alternative thereto, the symmetrical form and the substantially plane faces of the panel make it possible to apply a slab of perlite or of extruded or expanded polystyrene.
  • the slab will substitute, wholly or in part, the synthetic 155 foam as insulating material, while the cushions 32 will be fixed to the slab by means of adhesive, likewise it occurs for the outer faces 22 and 23.
  • the panel makes it possible to obtain the same advantageous effects as the first embodiment, although it is heavier when the slab is made of perlite. 160 Last it should be stressed that the performance of the panel according to this invention may be improved, so as to render it also acoustically insulating.
  • fig. 4 which shows from below a panel like that of fig. 1 (the same reference numerals have been used for salce of simplicity), wherein the lower face 3 is provided with a plurality of 165 through holes 9.
  • the latter have a diameter from 2 to 4 mm and preferably 3 mm, and a pitch from 4 to 6 mm, preferably 5 mm; in any case the ratio empty/full should be of about 33 %.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

La présente invention concerne un panneau comprenant un noyau (10) isolant et deux faces (2, 3) extérieures constituées de tôles métalliques placées sur les deux côtés opposés du noyau. Un coussin (12) de laine minérale est agencé entre l'une des faces extérieures et le noyau isolant. On obtient ainsi un panneau capable de compenser la dilatation thermique de la tôle de métal, en particulier en cas de feu.
PCT/EP2003/003878 2002-12-11 2003-04-11 Panneau isolant a compensation de dilatation thermique WO2004053249A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2003229669A AU2003229669A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
US10/538,255 US20060174586A1 (en) 2002-12-11 2003-04-11 Insulating panel for thermal expansion compensation
EP03722476A EP1570140A1 (fr) 2002-12-11 2003-04-11 Panneau isolant a compensation de dilatation thermique
MXPA05006268A MXPA05006268A (es) 2002-12-11 2003-04-11 Panel aislante para compensacion de expansion termica.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPCT/IT02/00782 2002-12-11
PCT/IT2002/000782 WO2004053250A1 (fr) 2002-12-11 2002-12-11 Panneau isolant pour compensation de dilatation thermique

Publications (1)

Publication Number Publication Date
WO2004053249A1 true WO2004053249A1 (fr) 2004-06-24

Family

ID=32500476

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/IT2002/000782 WO2004053250A1 (fr) 2002-12-11 2002-12-11 Panneau isolant pour compensation de dilatation thermique
PCT/EP2003/003878 WO2004053249A1 (fr) 2002-12-11 2003-04-11 Panneau isolant a compensation de dilatation thermique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/IT2002/000782 WO2004053250A1 (fr) 2002-12-11 2002-12-11 Panneau isolant pour compensation de dilatation thermique

Country Status (9)

Country Link
US (1) US20060174586A1 (fr)
EP (1) EP1570140A1 (fr)
CN (1) CN100402776C (fr)
AU (2) AU2002368440A1 (fr)
CO (1) CO5650181A2 (fr)
MX (1) MXPA05006268A (fr)
PL (1) PL375729A1 (fr)
WO (2) WO2004053250A1 (fr)
ZA (1) ZA200504763B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2937064B1 (fr) 2008-10-10 2012-11-16 Arcelormittal France Panneau composite pour paroi et procede de fabrication.
WO2012107917A1 (fr) * 2011-02-09 2012-08-16 Kingspan Research And Developments Limited Panneau isolant composite
US20120225236A1 (en) * 2011-03-03 2012-09-06 James Edward Cox Composite Building Panel and Method
FR2973819B1 (fr) * 2011-04-11 2014-02-21 Advantop Panneau sandwich de parement a trois couches
WO2012156765A1 (fr) * 2011-05-18 2012-11-22 Benko Damir Bloc isolant de façade
US20220251829A1 (en) * 2021-02-11 2022-08-11 United States Gypsum Company Modular construction including fire-suppressing gasket

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540095A (fr) *
US3729880A (en) * 1971-11-04 1973-05-01 Eliason Corp Insulated wall construction
EP0595777A2 (fr) * 1992-10-22 1994-05-04 Renzo Navarra Panneau antifeu avec résistance thermique améliorée

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113401A (en) * 1960-08-08 1963-12-10 Rose Morton Jessup Structural edge rails
US3908062A (en) * 1974-01-21 1975-09-23 United States Gypsum Co Fire-resistant, composite panel and method of making same
GB2081643B (en) * 1980-08-13 1984-08-08 Cape Boards & Panels Ltd Construction panels
US4578909A (en) * 1982-12-30 1986-04-01 Enercept, Inc. Insulated building construction
US5250153A (en) * 1987-01-12 1993-10-05 Usg Interiors, Inc. Method for manufacturing a mineral wool panel
US5540022A (en) * 1992-01-27 1996-07-30 Morris; Paul L. Fire retardant roofing adhesive and method of applying same
US5261555A (en) * 1992-04-08 1993-11-16 Eltech Systems Corporation Insulated structure
EP0643179B1 (fr) * 1992-12-28 1998-12-16 Ig-Technical Research Inc. Anneau calorifuge refractaire
US5417029A (en) * 1993-06-30 1995-05-23 Reese, Jr. John D. Door assembly
US5665447A (en) * 1995-10-18 1997-09-09 Owens-Corning Fiberglas Technology, Inc. Sound screen insulation with asphalt septum
GB9722874D0 (en) 1997-10-29 1997-12-24 Process Plastics Limited Building panel
AUPQ100799A0 (en) * 1999-06-17 1999-07-08 Green Peaks Pty Ltd Fire barrier panel
CA2316586C (fr) * 1999-08-27 2009-06-30 Armstrong World Industries, Inc. Panneau insonorisant pourvu d'un endos de papier calandre ignifuge, et constitution
CN1240536C (zh) * 2002-03-26 2006-02-08 厦门新风机实业有限公司 彩钢－酚醛泡沫夹芯复合板及其生产工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540095A (fr) *
US3729880A (en) * 1971-11-04 1973-05-01 Eliason Corp Insulated wall construction
EP0595777A2 (fr) * 1992-10-22 1994-05-04 Renzo Navarra Panneau antifeu avec résistance thermique améliorée

Also Published As

Publication number Publication date
WO2004053250A1 (fr) 2004-06-24
CN1714210A (zh) 2005-12-28
AU2003229669A1 (en) 2004-06-30
AU2002368440A1 (en) 2004-06-30
CO5650181A2 (es) 2006-06-30
PL375729A1 (en) 2005-12-12
EP1570140A1 (fr) 2005-09-07
CN100402776C (zh) 2008-07-16
MXPA05006268A (es) 2006-04-28
US20060174586A1 (en) 2006-08-10
ZA200504763B (en) 2006-09-27

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