EP2557250A1 - Isoliertafel mit verbesserter ineinandergreifender Verbindung - Google Patents

Isoliertafel mit verbesserter ineinandergreifender Verbindung Download PDF

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Publication number
EP2557250A1
EP2557250A1 EP11290368A EP11290368A EP2557250A1 EP 2557250 A1 EP2557250 A1 EP 2557250A1 EP 11290368 A EP11290368 A EP 11290368A EP 11290368 A EP11290368 A EP 11290368A EP 2557250 A1 EP2557250 A1 EP 2557250A1
Authority
EP
European Patent Office
Prior art keywords
teeth
joint profile
joint
insulating
panel according
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Withdrawn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
EP11290368A
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English (en)
French (fr)
Inventor
Gilles Guyoton
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.)
Rockwool AS
Original Assignee
Rockwool International AS
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 Rockwool International AS filed Critical Rockwool International AS
Priority to EP11290368A priority Critical patent/EP2557250A1/de
Publication of EP2557250A1 publication Critical patent/EP2557250A1/de
Withdrawn legal-status Critical Current

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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
    • E04D3/355—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 the insulating layers of adjacent slabs having cooperating edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs

Definitions

  • the invention relates to insulating panels used in the construction industry.
  • insulating panel of generally rectangular form bounded by narrow faces and including a layer of insulating material of a chosen thickness.
  • Such panels are mainly used for thermal insulation, but are also used for soundproofing. They are preferably non-combustible in order also to confer fire barrier properties. However, there are insulating materials which are not totally non-combustible and which, in these circumstances, cannot be used as a fire barrier in fire protection.
  • the insulating material itself is also chosen according to the desired applications. It may, for instance, be mineral wool, such as rock wool, or cellular foam, or even other materials such as cellular glass, perlite, etc.
  • the insulating material itself may be used alone or in the form of a complex in which, for example, the layer of insulating material is combined with a facing or similar.
  • these insulating panels may be used for internal or external insulation. They may be placed vertically, obliquely, or horizontally according to the applications and may be subjected to mechanical stresses which vary considerably in their nature and intensity.
  • these panels are usually placed edge to edge, in other words narrow face against narrow face, in order to provide continuity of insulation.
  • the narrow faces of the insulating panels are flat, and thus are perpendicular to the large faces of the panels, and so come to bear against one another in simple abutment.
  • a typical example is that of roofs, in particular roofs for industrial buildings, in which insulating panels are placed horizontally or substantially horizontally on a metal load-bearing structure made from corrugated sheets.
  • these metal sheets most often form trapezoidal corrugations that define upper planar regions on which the insulating panels come to rest via their large faces and lower planar regions forming troughs or valleys and which do not provide support for the insulating panels.
  • the width of the above-mentioned valleys is significant, typically at least 70 mm, it may happen that the assembly region of the respective narrow faces of two adjacent panels is positioned above a valley, without being supported by the load-bearing structure itself.
  • the result of this may be that the respective joint edges of two panels are in an overhanging position, and the length of the overhang may increase as the width of the valley increases.
  • these insulating panels are usually covered with a waterproof coating on their respective large faces which are turned outwards, the joint regions are no longer visible.
  • the particular aim of the invention is to overcome the disadvantages mentioned above.
  • the invention proposes an insulating panel of the type specified in the introduction, which includes at least one first narrow face which has a joint profile produced in the thickness of the layer of insulating material and defining a multiplicity of teeth and at least one second narrow face which has a complementary joint profile defining a multiplicity of teeth, such that the teeth of the joint profile of said panel are capable of interlocking by cooperation of shape with the teeth of a complementary joint profile of an adjacent panel, producing a mechanically strong joint and providing continuous insulation.
  • This particular joint profile which defines a multiplicity of teeth or indentations, makes it possible to produce an interlocking joint with a particularly high degree of mechanical strength, especially bending strength under load.
  • this joint provides perfectly continuous insulation, which is of particular interest in the case of fire barrier applications.
  • a joint profile of this kind cannot in any event be compared with rebated joint profiles or profiles with a male-female interlocking joint.
  • the invention in another aspect, relates to a building roof having a generally horizontal load-bearing structure on which is disposed a multiplicity of insulating panels as specified above. These panels are jointed to one another via their joint profiles and their complementary joint profiles, and are given a waterproof coating.
  • Fig. 1 shows part of a roof 10 according to the prior art having a load-bearing structure formed from a metal component 12, for example made of steel, having a plurality of upper regions 14 disposed in a single plane, generally horizontal, and a multiplicity of lower regions 16 disposed in a single plane which is offset relative to that of the regions 14.
  • a metal component 12 for example made of steel
  • the regions 14 and 16 are connected to one another, alternately, via inclined walls 18, in such a way as to give the component 12 a transverse section that is corrugated in shape with corrugations which are substantially trapezoidal in shape.
  • insulating panels 20 come to rest flat via their large faces. These are panels which are generally rectangular in shape with, in particular, two straight narrow faces 22 simply placed end-to-end, thus in simple abutment. To this insulating panel there is then applied a coating 24 creating a seal.
  • the assembly joint 26 between the two narrow faces 22 may be situated in the vicinity of a valley of the component 12, a valley whose width L may be from 70 mm to 300 mm, these values being given as an example.
  • the joint 26 may be in an overhanging position above a valley such that, if a force F is applied in the vicinity of the joint, the panel may bend locally causing a break in the joint and thus in the insulation.
  • the joint regions are no longer visible.
  • an operative is working on the roof, even if only during fitting, he may inadvertently exert sufficient force to cause bending of a panel in the region of the joint.
  • a similar force may result from other circumstances: movement of a load on the roof, a falling object, etc.
  • the invention provides a solution to this problem.
  • the insulating panels 20 have at least one joint profile, here a joint profile 28 along a first narrow face 30 and another joint profile 32, or complementary profile, along a second narrow face 34 which is parallel to the narrow face 30.
  • the joint profile 28 and the complementary joint profile 30 are formed respectively along two opposed sides of the panel which are advantageously sides corresponding to short sides of the rectangle.
  • the two other sides of the rectangle can be straight narrow faces or, as will be seen below, narrow faces with similar joint profiles.
  • the profiles 28 and 32 have a multiplicity of teeth 36, in other words at least two teeth, which are capable of interlocking by cooperation of shape with counterpart teeth 36 of a complementary joint profile of an adjacent panel.
  • the joint profile 28 of the panel 20 situated in the centre interlocks with a complementary profile 32 of a panel situated immediately to its left.
  • the complementary joint profile 32 of the panel 20 situated in the centre cooperates with a joint profile 28 of a panel 20 situated immediately to its right.
  • the left and right orientations are defined here in relation to Fig. 2 of the drawings.
  • the joint teeth 36 are advantageously formed along the full thickness E of the insulating layer, forming indentations similar to the teeth made in carpentry, using the tongue-and-groove method, to produce joints between wooden parts.
  • this particular type of joint used in carpentry has never been used in the specific field of insulating panels made of materials other than wood.
  • Fig. 3 gives a perspective view of a roof with a metal component 12 similar to that shown in Fig. 1 on which are disposed two insulating panels 20 according to the invention. It can be seen that the teeth 36 of the joint profile 28 of the panel situated on the right interlock closely, by cooperation of shape, with the teeth 36 of the complementary joint profile 32 of the insulating panel on the left.
  • the number, dimension and shape of the teeth may vary according to the strength required, as well as the thickness, density and nature of the insulating layer.
  • the number of teeth is smaller than in the case of Fig. 2 for the same thickness E of the insulating layer.
  • the joint region 38 of the profiles 28 and 32 is here placed in an overhanging position above a valley of the component 12.
  • a force F corresponding to a load similar to that in Fig. 1 will not lead to bending, even where there is a significant overhang.
  • the interlocking joint produced by cooperation of the respective teeth of the two joint profiles provides perfectly continuous insulation, which is of particular interest, especially where obtaining fire barrier properties is concerned.
  • Fig. 4 shows that the teeth 36 of the joint profiles may extend to a depth P which varies according to the degree of mechanical strength required.
  • the profiles are chosen and arranged in such a way that when two adjacent panels are interlocked, they have a single reference plane PR such that their respective large faces 40 are coplanar.
  • Figs. 5 to 8 show different possible shapes of teeth.
  • the teeth will be identical to one another, but it is also possible to envisage teeth of different shapes within the same interlocking joint profile.
  • the teeth 36 are triangular.
  • the teeth 36 in Fig. 6 are also triangular, but the end teeth are truncated in order to connect via straight edges 42 to the two large faces 40 of the panels.
  • the teeth 36 are substantially sinusoidal in shape, in other words they are rounded at the apex.
  • the teeth 36 shown in Fig. 8 are substantially trapezoidal.
  • each panel has a first joint profile 28, also called profile A, and a first complementary joint profile 32, also called profile B, extending respectively along two opposed sides of the panel which, in the example, correspond to short sides of the rectangle.
  • the panel also includes a second joint profile and a second complementary joint profile formed respectively along two second opposed sides of the panel.
  • the insulating material can be varied in a number of ways depending on the required applications.
  • cellular foams such as expanded polystyrene, polyurethane, PVC, etc.
  • these cellular foams are not suitable as fire barrier panels.
  • the joint profile may be produced together with the panel, in other words produced during production of the panel itself.
  • this machining may easily be performed using machine tools similar to the tongue-and-groove tools used in carpentry.
EP11290368A 2011-08-11 2011-08-11 Isoliertafel mit verbesserter ineinandergreifender Verbindung Withdrawn EP2557250A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11290368A EP2557250A1 (de) 2011-08-11 2011-08-11 Isoliertafel mit verbesserter ineinandergreifender Verbindung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11290368A EP2557250A1 (de) 2011-08-11 2011-08-11 Isoliertafel mit verbesserter ineinandergreifender Verbindung

Publications (1)

Publication Number Publication Date
EP2557250A1 true EP2557250A1 (de) 2013-02-13

Family

ID=44741242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11290368A Withdrawn EP2557250A1 (de) 2011-08-11 2011-08-11 Isoliertafel mit verbesserter ineinandergreifender Verbindung

Country Status (1)

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EP (1) EP2557250A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2547637A1 (de) * 1975-10-24 1977-04-28 Wolfgang Naumann Daemmplatte aus kunststoffschaum
FR2436222A1 (fr) * 1978-09-12 1980-04-11 Linzmeier Franz Plaque d'isolation thermique, en particulier pour isolation de toit
DE8804855U1 (de) * 1988-04-13 1988-08-18 Linzmeier, Franz Josef, 7940 Riedlingen, De
WO1990007040A1 (en) * 1988-12-16 1990-06-28 Oy Partek Ab Construction board and its manufacturing method
DE102005011188A1 (de) * 2004-03-11 2005-10-06 Harald Zahn Gmbh Abdichtteller für ein freiliegendes trittsicheres und/oder trittfestes Befestigungselement zur mechanischen Befestigung von Dämmmaterialien und Dichtungsbahnen auf Flachdächern
DE102007061713A1 (de) * 2006-12-19 2008-07-03 Josef Mang Gmbh & Co. Kg Dämmstoffplatte sowie Dämmstoffplattenanordnung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2547637A1 (de) * 1975-10-24 1977-04-28 Wolfgang Naumann Daemmplatte aus kunststoffschaum
FR2436222A1 (fr) * 1978-09-12 1980-04-11 Linzmeier Franz Plaque d'isolation thermique, en particulier pour isolation de toit
DE8804855U1 (de) * 1988-04-13 1988-08-18 Linzmeier, Franz Josef, 7940 Riedlingen, De
WO1990007040A1 (en) * 1988-12-16 1990-06-28 Oy Partek Ab Construction board and its manufacturing method
DE102005011188A1 (de) * 2004-03-11 2005-10-06 Harald Zahn Gmbh Abdichtteller für ein freiliegendes trittsicheres und/oder trittfestes Befestigungselement zur mechanischen Befestigung von Dämmmaterialien und Dichtungsbahnen auf Flachdächern
DE102007061713A1 (de) * 2006-12-19 2008-07-03 Josef Mang Gmbh & Co. Kg Dämmstoffplatte sowie Dämmstoffplattenanordnung

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