EP2853649A2 - Plaque composite dotée de bande étanche - Google Patents

Plaque composite dotée de bande étanche Download PDF

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Publication number
EP2853649A2
EP2853649A2 EP14181050.7A EP14181050A EP2853649A2 EP 2853649 A2 EP2853649 A2 EP 2853649A2 EP 14181050 A EP14181050 A EP 14181050A EP 2853649 A2 EP2853649 A2 EP 2853649A2
Authority
EP
European Patent Office
Prior art keywords
composite
plate
core
layer
composite panel
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
EP14181050.7A
Other languages
German (de)
English (en)
Other versions
EP2853649B1 (fr
EP2853649A3 (fr
Inventor
Andreas Malzahn
Michael Pronold
Markus Komma
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.)
Tremco Illbruck GmbH
Original Assignee
Tremco Illbruck Produktion GmbH
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 Tremco Illbruck Produktion GmbH filed Critical Tremco Illbruck Produktion GmbH
Priority to PL14181050T priority Critical patent/PL2853649T3/pl
Publication of EP2853649A2 publication Critical patent/EP2853649A2/fr
Publication of EP2853649A3 publication Critical patent/EP2853649A3/fr
Application granted granted Critical
Publication of EP2853649B1 publication Critical patent/EP2853649B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • 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
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
    • 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
    • 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
    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6179—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions and recesses on each frontal surface
    • 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
    • E04B1/948—Fire-proof sealings or joints
    • 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
    • E04C2002/001—Mechanical features of panels
    • E04C2002/004—Panels with profiled edges, e.g. stepped, serrated

Definitions

  • the invention relates to a composite panel for producing a wall or ceiling area of a building according to the preamble of claim 1.
  • Such composite panels can be used for the construction of buildings such as halls, for example.
  • the composite panels can be used both indoors and outdoors, both as cladding elements or as load-bearing components.
  • the composite panels are in this case joined together at the front end, which may be provided on the front sides suitable connectors such as tongue and groove connections.
  • the composite panels can easily have a height of ⁇ 10-15 m or more.
  • a sealing band with a body made of flexible foam material is arranged in each case on the front side in order to seal the gap between adjacent composite panels, in particular with regard to driving rain, airtightness and thermal insulation.
  • strip-shaped intumescent material wherein the intumescent material such as expanded graphite in a matrix, for example made of plastic or synthetic resin, e.g. thermoplastic, is present.
  • the composite panel core in case of fire does not have sufficient mechanical stability or is severely damaged due to the heat, for example.
  • the core material which may be given but not only in a composite core plate of foam material. It has been found that the increase in volume of the heat-inflating intumescent material is then often insufficient to form an effective fire-resistant seal in the joint area.
  • thermosetting foam material in particular thermosetting reactive foam, such as, for example, a thermosetting polyurethane foam.
  • the curing can be carried out under a chemical reaction of components of the foam material, for example, polymerization reactions such as polyaddition reactions or radical polymerization, etc., or possibly also crosslinking reactions.
  • reactive foam systems there is the risk of undesired reactions of reactive components such as starting materials, for example in the form of isocyanates, or of (intermediate) reaction products of the foam material with the intumescent material, which can lead to impairments of the intumescent material. If these problems occur in combination with the problems described at the outset, the adverse effects with regard to fire protection may possibly increase.
  • the invention is therefore an object of the invention to provide a generic composite panel with sealing tape, which has a reliable fire protection effect in the joint area, even with large plate heights and exercise large joining forces, especially in composite panels with a core of an organic foam material. Furthermore, the invention has for its object to provide a sealing tape, which allows easy production of such composite panels.
  • the object is achieved by a composite panel according to the claims 1 and 6 and a sealing tape according to claim 13.
  • the sealing tape is independent or with or fixed to a composite plate as described in the context of the invention, subject of the invention.
  • an intermediate layer made of a non-combustible material is arranged on the composite plate, wherein the intermediate layer at least partially covers the composite plate core at the front side, ie in the direction of the joint.
  • the intermediate layer is in this case fixed in position on one of the cover layer, particularly preferably directly fixed to this position, and arranged between the sealing strip and composite core plate.
  • the at least one or preferably all of the intermediate layers of the respective composite panel are therefore preferably attached to one or both cover layers of the composite panel and fixed in position relative to the cover layers of the respective composite panel.
  • the intermediate arrangement of the intermediate layer between the sealing strip and plate core thus refers to the direction of extension of the joint width.
  • the sealing tape has an intumescent strip, which is arranged adjacent to the intermediate layer on which the composite panel core side facing away from the intermediate layer.
  • the intumescent material intumescent in the event of fire is held by the intermediate layer in the region of the joint and prevents, for example, a spatial evasion possibly undesirably forming free spaces, which may have been caused by thermal degradation such as decomposition of the plate core material and which sufficient filling of the joint area by the frothing Intumescent material due to the resulting "loss of material" may affect, since the intumescent material would then no longer be available in the fire protection critical joint area.
  • the strip of intumescent material is generally also called “intumescent strip” or “strip” in the context of the invention.
  • the "cover layers” and “intermediate layers” within the scope of the invention each consist independently of a non-combustible material.
  • the two opposite cover layers of the composite panel preferably each meet the requirements of building material class A1 or A2 of DIN EN 13501-1 and / or DIN 4102-1.
  • the at least one intermediate layer of the composite panel (preferably all intermediate layers) in each case preferably fulfill the requirements of building material class A1 or A2 of DIN EN 13501-1 and / or DIN 4102-1.
  • the cover layer and / or the intermediate layer of the composite panel contain no fractions of combustible building materials.
  • top layer and / or the intermediate layer of the composite panel shares of combustible materials according to building material class A2 of DIN EN 13501-1 or DIN 4102-1, these shares, in particular the entire shares thereof, each superficially on the respective cover or Be arranged intermediate layer, for example.
  • the non-combustible material of the cover layer and / or the intermediate layer in each case forms a continuous perforation-free layer of this layer, which preferably extends in each case over the entire extent of the respective layer.
  • joint width is generally understood to mean the extent of the joint from the end face of the first composite panel to the end face of the second composite panel, in the region of the sealing band arranged between the two panels.
  • joint depth is generally understood to mean the extent of the joint from the first large area of the composite panel to the second large area thereof.
  • the direction of the joint depth is perpendicular to the main plane of the composite panel and perpendicular to the direction of the joint width.
  • the composite plate (generally also "plate”) has a main plane which extends in the directions of the largest extent of the plate, that is, is usually spanned by the longitudinal and width direction of the plate.
  • joint composite panels is to be understood as meaning composite panels which are identical to one another.
  • the connecting means can each be formed, for example, by deformation, such as bending of a region of the cover layer, which preferably applies to all of the connecting means of the respective plate.
  • the said connection means of the composite panel can thus be designed, for example, as the front side of the panel core projecting and / or recessed portion of the cover layer, which is for all Connecting means of the respective plate can apply.
  • the connecting means may be formed as a tongue and groove connection, wherein the groove and / or the spring portions may be formed as Umform Scheme Schemee the cover layers of the plate, which preferably applies to all groove and spring portions of the respective plate.
  • the intermediate layer is generally in the context of the invention preferably as a transformation region, preferably formed as a fold, the cover layer.
  • the positional fixation of the intermediate layer on the respective cover layer is preferably designed such that the intermediate layer is fixed in position in all spatial directions relative to the respective cover layer, preferably solely by coupling to the cover layer or coupling to a fastened to the cover layer and fixed in relation to this fixing means for connecting abutting composite panels.
  • the intermediate layer is attached to a region of the cover layer or in particular integrally formed, in particular integrally formed with deformation or bending of a region of the cover layer.
  • the intermediate layer is attached to one of the said connecting means of the composite plate or in particular integrally formed, in particular integrally formed under deformation or bending a portion of the connecting means cover layer.
  • the intermediate layer and said connecting means of the composite plate are each integrally formed on each other, in particular under deformation or bending a portion of the cover layer.
  • the intermediate layer and the connecting means thus particularly preferably form forming regions or folds of the cover layer.
  • all intermediate layers and all of the said connection means of the composite plate are integrally formed integrally on the cover layers of the composite plate, in particular under deformation or bending of a region of the cover layer.
  • the intermediate layer is thus preferably formed on the respective cover layer as a forming region or flanged region or fold of a region, in particular edge region, of the cover layer or also by material bonding, for example by welding, connected thereto.
  • the intermediate layer thus preferably represents a partial region of the cover layer.
  • the intermediate layer is integrally formed on the cover layer, if a plurality of intermediate layers are provided on a plate, this preferably applies to all intermediate layers.
  • the “intermediate layer,” is in each case arranged in the joining state of the composite plates with respect to a given joint between the sealing strip and the plate core, wherein the sealing strip is arranged in just this joint.
  • the sealing tape is disposed between two intermediate layers, wherein one of the intermediate layers is arranged on the plate having the sealing strip and the other intermediate layer on the other plate on the front side, which is usually or preferably not provided with a sealing tape (based on this composite plate in isolated state).
  • the intermediate layers of the respective composite plate extend transversely to the plate core or to the plate main plane, for example at an angle of 45-135 ° or 60-120 ° to the plate main plane, particularly preferably at an angle of 75-110 ° or 80-100 ° to the plate main plane, or in particular about 90 °.
  • the plate core can be well shielded by the intermediate layer, also in relation to the inflating in case of fire intumescent material.
  • cover layers are arranged on both large surfaces of the composite panel, wherein each of the cover layers is provided with a position-fixed intermediate layer.
  • both intermediate layers are directly connected to the respective cover layer under position fixing at this.
  • the intermediate layer may optionally cover the plate core over its entire width to the joint, preferably the intermediate layer covers the plate core only over a part of its width, so that a portion of the plate core is not covered by the intermediate layer to the sealing tape.
  • the plate core is preferably connected to the sealing strip, for example by material connection such as foaming the plate core material to the sealing strip in order to fix the sealing strip to the composite plate.
  • the intermediate layer preferably covers the board core only over ⁇ 85-90% or ⁇ 65-75% of its width, more preferably over or ⁇ 50-65% or ⁇ 30-40% of its width.
  • the sealing strip can be connected over a sufficient or high part of its width independently of the intermediate layer with the plate core, for example, a material fit, alternatively or at the same time herewith in direct connection with the disk core.
  • the intermediate layer preferably covers the plate core over ⁇ 5-10% or ⁇ 15-20% of its width, optionally ⁇ 25-30% of the same, so that sufficient or improved guidance for the intumescent strip when joining the plates or for the inflating material of the Strip is given.
  • the intumescent strip is preferably arranged on the side of the intermediate layer facing away from the composite panel core and at the level of the intermediate layer in relation to the joint width.
  • the intermediate layer partially or preferably completely covers the intumescent strip towards the plate core.
  • the intermediate layer preferably covers ⁇ 25-35% or ⁇ 50-65%, particularly preferably ⁇ 75-90% or at least the entire width of the intumescent strip towards the plate core (width of the strip in each case as an extension thereof in the direction of the joint depth, ie direction perpendicular to the plate main plane, which is generally within the scope of the invention).
  • the interlayer may extend across the width of the intumescent strip beyond this broadside, for example, the broadside projection of the interlayer is ⁇ 100-150% of the strip width, with the excess of extension of the interlayer beyond the strip preferably in the direction away from that of the strip adjacent large area of the plate takes place.
  • the broadside projection of the intermediate layer over the strip in the direction of the joint depth may be ⁇ 20-50% or ⁇ 100-150% of the width of the intumescent strip, optionally ⁇ 200-300% of the strip width.
  • the intumescent strip width is preferably smaller than the plate core width, for example ⁇ 65-85%, preferably ⁇ 45-55% or ⁇ 25-35% of the same.
  • the plate width can be in each case the plate width in the region of the plate end face provided with the strip or sealing strip.
  • the composite plate on the two arranged on opposite end faces of the plate complementary joining regions intermediate layers, wherein both intermediate layers consist of a non-combustible material, preferably both intermediate layers of the same material.
  • the intermediate layers each project beyond the plate core on the front side.
  • the two intermediate layers respectively project beyond the plate core on the face side, ie towards the joint.
  • Both intermediate layers are arranged in the region or on the same large surface, preferably fixed to the same cover layer, for example, integrally formed, or fixed in position there. "In the area of the respective large area” is in particular called this adjacent, that is closer to each other than the respective other large area of the plate, or directly to this.
  • the two intermediate layers preferably each directly adjoin the cover layer or merge into it.
  • the two intermediate layers are preferably arranged in such a way that they form a region of the joint between them when the plates are assembled in the same way, ie are arranged opposite one another in the direction of the joint width, ie are arranged opposite one another at least in regions in the same joint depth.
  • both intermediate layers cover the intumescent strip at least over a part or over its entire width towards the plate core.
  • one or both intermediate layers cover / cover the intumescent strip over the entire width of the plate core.
  • both intermediate layers cover the intumescent strip in each case over ⁇ 25-35% or ⁇ 50-65%, particularly preferably ⁇ 75-90% or at least over its entire width towards the plate core.
  • the intumescent material inflating in the event of fire is at least partially held between the two opposing intermediate layers and fills the gap between the opposing intermediate layers in order to seal the joint between the two assembled composite panels in a fire-retardant manner.
  • the depth of the gap between the two opposite intermediate layers ⁇ 3 mm or ⁇ 4-6 mm, preferably ⁇ 6.5-8 mm or ⁇ 10 mm.
  • the composite plate at both opposite end faces, which are provided with mutually complementary connection means, intermediate layers, which extend at least over a part of each provided with connecting means end face of the composite plate, wherein in assembled composite panels, the two end-side intermediate layers of adjacent composite panels at the joint in Direction of the joint width are arranged opposite to each other, wherein the IntumeszenzstMail joined together composite plates between the two front-side Liners of adjacent composite panels is arranged.
  • both opposing cover layers of the composite panel of the composite panel core frontally projecting, preferably formed as a connecting means, areas, wherein the Intumeszenzst Shape between the two projecting areas, each of these laterally covered with respect to the composite panel width, is arranged.
  • the intumescent strip or the sealing band body is completely covered in each case completely laterally by both frontally projecting areas.
  • the mutually complementary connecting means for connecting abutting composite panels may each be formed, for example, as a plug-in connection or as a tongue-and-groove connection, or in another suitable manner.
  • the connecting means can hold the plates, for example, non-positively and / or positively.
  • the sealing band body is arranged with a partial region sealingly in the joint region between the two opposing intermediate layers in assembled composite panels, preferably in a compressed state.
  • the degree of compression in the region of the intermediate layers may be outside the intermediate layers, for example in the range of 30-70% or at least in the region of the degree of compression of the sealing tape in the joint 40-60% such as about 50%, without being limited thereto.
  • the intumescent strip is preferably fixed to the sealing strip.
  • the intumescent strip preferably extends over the entire length and / or width of the sealing band body.
  • the intumescent strip preferably completely covers the composite panel core at its end face towards the sealing band, preferably completely over the entire length and / or width of the composite panel front side.
  • the intumescent strip preferably extends over the entire length and / or width of the composite panel front side.
  • the intumescent strip can be glued over its entire surface to the sealing band body and / or the lining.
  • a secure and defined position of the Intumeszenzst Shapes in the production of sealing tape and joining the composite panels is given, thus ensuring a high fire protection effect.
  • the one or both topsheets may protrude endwise from the composite panel core, each covering / covering the joint between the assembled composite panels.
  • the projecting region of the respective cover layer may abut against the cover layer of the adjacent composite plate, preferably resting against the upper side of the cover layer with prestressing, in order to shield the joint from the outside or from the firing side.
  • the intermediate layer can be connected to the projecting region of the respective cover layer, preferably directly connected, for example by integrally molding on it or by forming the cover layer.
  • the intumescent strip is preferably covered in each case towards the outer side of the plate by the cover layer or intermediate layer next to it.
  • the area of the intermediate layer covering the core plate or the intermediate layer over its entire width can each abut directly against the composite core or abut against it, for example, be integrally bonded thereto, eg by foaming the core material to the core Intermediate layer in the plate production or under introduction of the plate core material between the preferably two cover layers.
  • the intumescent strip between the intermediate layer and the sealing band body is preferably arranged on the side of the sealing strip facing the intermediate layer, which is fastened to the respective composite plate.
  • the intumescent strip is thus protected by the sealing band body against damage or changes in position.
  • the composite panel has two large areas as inside and outside and these connecting end faces, wherein on both sides of the plate core each a large area at least partially or completely covering cover layer is provided from a non-combustible material, wherein the cover layer has at least one region which at least extending over a part of a plate end face and being provided on the front side connecting means for connecting adjacent plates.
  • the intumescent strip extends adjacent to the frontal region of the cover layer or adjacent to the connection means or the front-side cover layer region.
  • the cover layer generally preferably extends at least substantially completely over the respective large surface of the composite panel on which the cover layer is disposed, over the panel core, in particular over ⁇ 90-95% or ⁇ 97-99% of the surface of the panel core, preferably at least substantially completely , possibly up to any connection or attachment areas for other components or fasteners.
  • the corresponding can each independently of this for the covering of the plate core by the cover layer apply.
  • the above applies to both cover layers of the composite panel.
  • the cover layer is in each case preferably arranged on the outside of the plate core.
  • the cover layer can in each case be bonded to the plate core in a material-locking manner, for example by foaming the plate core material against the cover layer.
  • the cover layer can in each case (inside or outside) represent the outer layer (upper side) of the composite panel, if necessary the cover layer can be replaced by another layer, e.g. a weather protection and / or decorative layer to be covered.
  • the cover layer and / or the intermediate layer preferably consist as a continuous non-perforated layer of the non-combustible material or at least each have a continuous layer, non-perforated layer of the non-combustible material.
  • the cover layer and / or the intermediate layer are preferably made of a steel material, including iron.
  • the intermediate layer is generally particularly preferably made of the material of the cover layer, on which it is fixed in position, preferably this applies to all intermediate layers connected to the respective cover layer.
  • the connecting means of the composite plate are preferably made of a steel material, including iron.
  • the cover layer and / or the intermediate layer are preferably made of a non-combustible material.
  • the cover layer and / or the intermediate layer are preferably made of a material such as metal with a melting point of ⁇ 1200 ° C or in particular ⁇ 1300-1.450 ° C.
  • the connecting means are preferably made of a non-combustible material, preferably of a material such as metal with a melting point of ⁇ 1,200 ° C or in particular ⁇ 1,300-1,450 ° C.
  • the connecting means and the cover layer and / or the intermediate layer of the same material.
  • the intermediate layer may have the same or possibly a higher material thickness or a lower material thickness as the cover layer, in particular referring to the material thickness of the cover layer in the middle region of the plate core, where the cover layer covers the plate core on the outside of the large area.
  • a higher thickness of the intermediate layer can optionally be achieved by single or multiple flanging of the edge of the cover layer. If the material thickness of the intermediate layer is lower than that of the cover layer, the thickness of the intermediate layer may be ⁇ 25-35% or preferably ⁇ 40-60% or ⁇ 75-85% of the thickness of the cover layer.
  • the lower interlayer thickness may possibly be achieved by a rolling process.
  • the cover layer and / or the intermediate layer may each independently have a thickness of ⁇ 0.25 mm or ⁇ 0.35 mm or preferably ⁇ 0.5 mm, particularly preferably ⁇ 0.75 mm or ⁇ 1 mm, for example 2 mm. This can also apply to the connecting means.
  • the cover layer and the intermediate layer can each have both the above-mentioned material thicknesses.
  • the cover layer and the intermediate layer can each have the same material thickness.
  • the cover layer and the intermediate layer are each preferably smoke-tight and fire-resistant connected to each other.
  • the cover layer and the intermediate layer can each be non-positively and / or positively connected or optionally also bonded cohesively, such as. by welding, preferably these are integrally formed with each other.
  • the IntumeszenzstMail is off-center on the Sealing band body and / or arranged eccentrically on the plate core.
  • the strip may be displaced toward an edge region of the body or plate with respect to the median plane of the sealing band body or of the plate core, which is perpendicular to the broad side of the body or the face of the plate on which the strip is arranged Area of the median plane of carcass broadside or plate core no longer arranged.
  • the strip is thus arranged offset to a longitudinal edge of the body.
  • the intumescent strip is arranged at the edge region of the sealing band body and / or the plate core.
  • This can apply to at least one intumescent strip, if several intumescent strips should be provided, or for at least or exactly two, which can be arranged at the two edge regions of the sealing band body lying opposite each other in joint depth, preferably on the same body or sealing strip broad side.
  • an intumescent strip can also be provided on each edge region of the body.
  • the body edge areas each extend in the tape longitudinal direction.
  • the intumescent strip may in particular be arranged laterally adjacent to or adjoining a cover layer region projecting from the plate core, wherein the protruding region may be formed as a connection means.
  • the intumescent strip is preferably arranged on an edge region or adjacent to a body edge region, the edge region extending in each case in the longitudinal direction of the body.
  • the strip is arranged near the opening of the joint to the outside of the plate, so that in case of fire by the inflating strip an effective joint seal is ensured.
  • the central region of the plate core is at least partially not of an intumescent strip covered, this uncovered area can extend over the entire plate height.
  • an intumescent strip is thus arranged on both edge regions of the sealing band body or plate core, wherein the two strips are spaced laterally, ie in the direction of the joint depth, wherein more preferably both intumescent strips are arranged on the same broad side of the sealing band body, but possibly also on different broadsides.
  • the Intumeszenzst Shape extends only over part of the sealing band body width, a plurality of intumescent strips are arranged on a carcass broadside, these preferably do not extend together over the entire carcass width.
  • the width of the intumescent strip or the total width of a plurality of such strips on a broadside of the body can be, for example, ⁇ 65-85%, preferably ⁇ 45-55% or ⁇ 25-35% of the body width.
  • Such positional tolerances of the opposite cover plates may also occur, in particular, when the material of the plate core undergoes certain volume changes during plate production, for example shrinkage, as may occur during processing of organic polymer foam materials such as reactive systems, for example if the plate core consists of PU foam .
  • this may optionally (but not necessarily) the space between the two opposite cover layers in the direction of the joint depth are at least almost completely bridged by the sealing band body (arranged at the cover layers or integrally formed on these Connecting means for joining the plates also based on the inner distance of the connecting means), so that therefore corresponds to the width of the sealing band body at least substantially the end face plate width or plate core width.
  • the sealing tape may preferably be applied laterally to the two connecting means or forming regions of the opposite cover layers of the respective plate, which may generally be the case in the context of the invention. Under certain circumstances, the IntumeszenzstMake but also extend over the entire body width.
  • the body width of the sealing strip can at least approximately correspond to the plate core width, so that a good seal is also given against draft and in terms of thermal insulation. It has been found that for some applications, the sealing tape body width may be smaller than the plate core width, for example. ⁇ 75-90% or ⁇ 40-60% of the same, possibly also ⁇ 20-30% of the same, but usually ⁇ 5-10 % or ⁇ 20-30% of the same.
  • the carcass width can correspond at least approximately to the extension of the intermediate layers in the direction of the joint depth, so that the body is arranged compressed between the intermediate layers and does not project laterally or only slightly laterally in the direction of the joint depth via the intermediate layers, for example in FIG Towards the plate main plane.
  • the sealing strip is particularly stable and secure in position between the layers and fixed, even in case of fire, the intermediate layers relative to the plate core have a higher mechanical stability and fire resistance according to fire protection class. This can generally apply in the context of the invention, regardless of the other training of the joining region or its tongue and groove training.
  • the sealing band body has narrow sides connecting the broad sides, wherein in the region of both narrow sides in each case an IntumeszenzstMail is arranged.
  • one of the two strips or both strips is disposed adjacent to the respective narrow side adjacent to the respective strip.
  • an intumescent strip can be arranged on both joint openings, which are each directed towards the composite board outer sides, whereby the fire-retarding effect of the sealing strip is substantially increased.
  • the sealing strip is easily unrolled from a roll or a winding, as a too wide and thus too rigid IntumeszenzstMail is avoided.
  • the two IntumeszenzstMail laterally spaced from each other are arranged on the sealing strip, so that a too wide IntumeszenzstMail is avoided, at the same time improved sealing in case of fire.
  • the intumescent strip is adhered to the intermediate layer with an adhesive in the composite plate.
  • the sealing tape is adhered to the intumescent strip having broad side at the level of IntumeszenzstMails on the intermediate layer with an adhesive.
  • the adhesive may in each case be a self-adhesive layer according to one of the two variants.
  • the intumescent layer is fixed directly or at least the sealing strip at the level of the Intumeszenzstsammlungs on the intermediate layer, whereby a good production control with respect to the desired position of the IntumeszenzstMails, namely at the level of the intermediate layer is given and the Intumeszenzstsammlung even when assembling the plates maintains its desired position safely.
  • the intumescent strip preferably has a carrier provided with intumescent material, in particular of a textile material or possibly foil material, the intumescent strip being provided with a lamination on the side facing the intermediate layer, which preferably is provided with an adhesive the intermediate layer is adhered, wherein the adhesive is preferably arranged with respect to the sealing tape width at the level of IntumeszenzstMails.
  • the adhesive is preferably adhesive in the storage state of the sealing tape.
  • the sealing band body of the sealing tape on a lamination wherein the Intumeszenzst Shape (i) between the foam core facing broad side of the sealing band body and the lamination and / or (ii) adjacent the lamination is arranged, wherein in the case of the sealing strip fastened to the composite panel, the lamination is preferably arranged on the side of the body facing the composite panel core, particularly preferably opposite or adjacent to the composite panel core.
  • the sealing band body thus serves at the same time in a kind of buffer layer between the second composite plate and the IntumeszenzstMail the first composite plate. Furthermore, in the composite panel according to the invention the sealing effect of the sealing tape between the two composite panels is not affected by the Intumeszenzstsammlung that the sealing tape over the entire surface can come to rest with the adjacent composite panel.
  • the sealing strip made of flexible foam material does not substantially or not substantially hinder the fire protection sealing of the joint by the intumescent strip, So for example its response time in case of fire.
  • This embodiment is particularly advantageous in combination with an arrangement of the intermediate layers according to the invention on the respective plate.
  • the composite plate is formed in such a way that the two opposite end faces arranged, complementary joining areas of the plate core each frontally overhanging intermediate layers of non-combustible material, both intermediate layers are arranged in the region or on the same large surface side of the composite panel and joined identical composite panels form a part of the joint between them, and that the IntumeszenzstMail the sealing tape is arranged in the direction of the joint width between the two intermediate layers of the joined composite panels.
  • This can generally be considered within the scope of the invention.
  • the arrangement of the intumescent strip between the sealing band body and lamination at least complicates or prevents the intumescent strip from coming into contact with the hardening or, in particular, reactive curing foam material of the core, ie in particular before curing of the foam core material, which otherwise does not yet cause unwanted reactions hardened foam core material with the intumescent material could cause.
  • the foam core on the In the event of fire is protected by fire protection technology by virtue of the intumescent material arranged in the immediate vicinity of the latter, possibly only separated from it by the lamination.
  • the intumescent strip can generally be arranged on the broad side of the sealing strip or sealing band body facing away from the plate core, the plate core here being the core of the composite plate on which the sealing strip is arranged during assembly of the composite plates.
  • the sealing tape can be fixed to the composite panel.
  • the intumescent strip can also be arranged on or attached to the sealing tape broadside opposite the lining. It has been found that this also significantly reduces the risk of shearing off of the intumescent strip during assembly of the plates.
  • the strip may also be attached to the sealing band or sealing band body in a suitable manner.
  • the lamination of the foam body is formed as a barrier layer between the Intumeszenzstsammlung and the material of the foam core, while preventing a contacting of the Intumeszenzstsammlungs with the material of the foam core.
  • Reactive foam material of the core of the composite panel for example, when a reactive foam material of the core is brought into contact with the sealing strip in the manufacture of the composite plate before curing.
  • the lining has a sufficient impermeability to the not yet cured or even fresh foam core material, or is in relation to a passage of the same dense.
  • the foam core of the composite plate connects directly to the lamination and is connected to this cohesively.
  • the cohesive connection can be effected in particular by the material of the foam core.
  • the cohesive connection can take place in that the sealing tape is contacted with the foam core facing lamination with the foam core material, as long as it is still in the fresh, uncured state, ie before the (complete) curing or setting thereof, so that the foam core material still is sticky and still has an adhesive effect.
  • the core foam material can in this case be foamed against the sealing strip arranged with respect to the composite panel in its desired position; alternatively, the sealing tape with the lining can be pressed against the still fresh foam core material.
  • the IntumeszenzstMail also immediately adjacent, preferably separated only by the lamination and an adhesive layer of the foam core, -
  • the intumescent strip is separated by the lamination of the foam core, in particular while preventing contact of the IntumeszenzstMails with the material of the foam core.
  • the lamination is formed in the context of the invention as a layer of Kasch michsmaterials, which is preferably flat or full surface - based on the surface extension of the lamination - connected to the sealing tape body, for example by an adhesive layer.
  • the lamination can in particular as a paper layer, film layer (In particular plastic film, possibly also metal foil) or as a textile layer, in particular nonwoven layer or fabric or Gewirklage be formed, or each include such. Particularly advantageous is the use of a textile layer, in particular nonwoven layer, since this allows a good cohesive connection with the foam core material.
  • the lamination can consist of a plurality of different layers, for example a dense layer and an outer layer of a fiber material which faces away from the sealing strip body and which can be connected in a materially bonded manner to the foam core material.
  • the dense layer can be, for example, a film or paper layer or even a compacted textile layer.
  • the fiber layer may in this case have only a slight impermeability to the foam core material. For example.
  • the textile layer may also have punctiform welds of the textile fibers with one another, which promote or cause densification.
  • the cladding layer generally has no adhesive layer, such as a self-adhesive layer, on the side facing away from the sealing band body.
  • the lining preferably has no non-stick coating on the side opposite the sealing tape body.
  • the liner may comprise an adhesive layer, such as a melt adhesive layer, to define the liner to the sealing band body.
  • the lamination can generally be formed as a continuous, non-disruptive layer or have an air permeability of ⁇ 600 l / m 2 s.
  • the lamination may be formed as a continuous, non-disruptive and therefore airtight material layer or, for example, as a layer such as textile layer (in particular, nonwoven layer) or possibly with small openings as a microperforated layer.
  • the lamination can generally be air permeable of ⁇ 600 l / m 2 sec), preferably ⁇ 500 l / m 2 sec, or more preferably ⁇ 300-400 l / m 2 sec.
  • the air permeability of the cladding layer, in particular the textile layer was tested at a test area of 100 cm 2 and a reduced pressure of 0.25 mbar according to DIN EN 9237.
  • the cladding layer has an air permeability of ⁇ 100-200 l / m 2 sec or ⁇ 30-50 l / m 2 sec (under the test conditions given above) or is at least practically airtight, such as when using a film or paper layer.
  • the lining layer is sealed against the plate core material contacted or foamed therewith.
  • the "tightness" of the lamination with respect to the foam core material is given if it does not emerge on the body side of the lamination during foaming to the lining layer of the sealing strip in the manufacture of the composite plate.
  • the lamination can be a paper layer, film layer or nonwoven layer.
  • the lamination can have a layer thickness of 10 .mu.m-1000 .mu.m, preferably 20-500 .mu.m or 50-500 .mu.m or in particular 100-500 .mu.m, which is particularly true when forming a textile layer, especially nonwoven layer, may apply.
  • the layer thickness may preferably be in the range of 10-250 ⁇ m or more preferably in the range of 10-100 ⁇ m or 10-50 ⁇ m.
  • the lamination has an elongation at break (elongation at break) of ⁇ 40-50% or ⁇ 30-35% or preferably ⁇ 20-25%, particularly preferably ⁇ 10-15% or ⁇ 5-8%, without being limited thereto , Regardless of or in combination herewith, preferably, the lining has a breaking force of ⁇ 8-10 N / 50 mm, for example ⁇ 12-15 N / 50 mm or ⁇ 17-20 N / 50 mm, for example up to 50-75 N / 50 mm or until to 100-200 N / 50mm or possibly beyond.
  • the lamination has a sufficiently low elongation at break and / or high tensile strength, in conjunction with the sealing band body under force, eg. When foaming with the foam material of the composite core plate or when pressing the sealing strip to the foam core material, locally or in the micro range in particular Dimensions to ensure a tightness of the lamination.
  • the basis weight of the liner may be in the range of 10-125 g / m2, preferably in the range of 15-75 g / m2 or 20-55 g / m2, especially when formed as a textile layer or nonwoven layer.
  • the material properties of the lining (lining layer) (without foam body) are determined in the sealing strip longitudinal direction, preferably on a test specimen with a width of 50 mm.
  • the tensile strength is determined according to ERT 20.2-89, the elongation at break (elongation at break) and tensile strength according to ERT 20.20-89 and the basis weight according to ERT 40.3-90, unless otherwise stated. If the sealing tape width is smaller than 50 mm, the breaking strength or elongation at break is determined on the piece of the lamination of given width and proportionally extrapolated to 50 mm corresponding to the given width. This is generally within the scope of the invention.
  • the lining can be fastened by means of an adhesive layer to the foam body of the sealing tape.
  • the lamination as well as the adhesive layer preferably completely cover the intumescent strip so as to likewise fix it to the sealing band body, wherein the lamination and the adhesive layer are arranged in coincidence with the intumescent strip, ie are arranged at the level of the intumescent strip on the side of the sealing strip carcass opposite thereto.
  • the intumescent strip can also be fixed to the sealing band body by another means, for example by an adhesive layer between the intumescent strip and the sealing band body.
  • the lamination covers the sealing tape body over the entire surface, d. H. over its entire width and length.
  • the adhesive layer by means of which the lamination is attached to the foam body of the sealing tape, covers the sealing tape body over the entire surface, d. H. over its entire length and width.
  • the lamination in general this is understood as a lamination layer
  • the melting temperature is sufficiently high, even at elevated ambient temperatures at the installation site of the composite panel, for example, even when exposed to sunlight, to have sufficient resistance and thus adhesion to fix the lamination to the foam body.
  • the melting temperature is sufficiently low to avoid unwanted interactions with the intumescent material when the hot melt adhesive is applied as intended intended temperature to enter into unwanted reactions with the intumescent material.
  • the melting temperature of the adhesive may be suitably adjusted, for example ⁇ 120-130 ° or ⁇ 90-100 °, and if appropriate also ⁇ 70 °. If the hot-melt adhesive has a melting range, then the average temperature of the melting range is regarded as the "melting temperature". Using such hot melt adhesive sealing tape is easy and inexpensive to produce.
  • the intumescent strip can generally be fixed by means of an adhesive layer on a broad side of the foam body of the sealing strip.
  • the adhesive layer used in the context of the invention may in each case in particular comprise a layer of a hot-melt adhesive having a melting temperature in the range of 70-150 ° C., thus providing a high adhesive strength and at the same time a good bond between the bonded regions, and at the same time a separation from the core plate material, even with a possible foaming of the same to the sealing strip in the plate production.
  • the lining generally has preferably an elongation at break (breaking elongation) of ⁇ 50% and / or a breaking force of ⁇ 8 N / 50 mm, which in particular facilitates foaming of the core plate material.
  • the foam material of the sealing band body may generally have an air permeability of ⁇ 1,000 l / m 2 s.
  • the composite plate may have on both plate surfaces each have a cover layer of a non-foam material, preferably of a metallic material, wherein between the opposite cover layers of the composite core plate is arranged.
  • the soft foam material of the sealing band body is preferably not impregnated for delayed recovery, optionally this may have a water-repellent impregnation or impregnation to increase the driving rain.
  • the foam body of the sealing tape may not be provided with an impregnation. The sealing tape is thereby easier to manufacture. Furthermore, it has been found that the lack of impregnation of the sealing band body is easier to compress when assembling the composite panels, which facilitates the assembly of the composite panels.
  • the foam material of the sealing band body may have an air permeability in the range of 10-1,200 l / m 2 s or 100-1,200 l / m 2 s or in particular also 200-1,000 l / m 2 s. If appropriate, the air permeability of the foam material of the sealing band body is ⁇ 200-300 l / m 2 s or, in particular, ⁇ 400-500 l / m 2 s or ⁇ 600 l / m 2 s, so that therefore also the thermal shielding of the sealing band body towards the intumescent strip is not too strong and the response time of the Intumeszenzmaterials is not affected in case of fire.
  • the air permeability of said body foam material may be ⁇ 500-750 l / m 2 s or ⁇ 200-300 l / m 2 s, for example also ⁇ 75-100 l / m 2 s. Due to the air permeability of the body foam material thus given a certain (limited) open porosity and compressibility of the body foam material is given. It has been found that on the one hand a good joint seal in terms of low air permeability through the joint is given, on the other hand, the response time of the IntumeszenzstMakes is not significantly delayed, despite the increasing thermal insulation of the sealing strip material for a given air permeability.
  • the air permeability of the sealing strip can be reduced, at the same time by the lamination and the body sufficiently or largely completely separated from the foam material of the plate core.
  • the sealing tape body with lamination (and with the lamination on the body fixing adhesive layer) preferably has an at least 10-20% or at least 25-30% reduced air permeability under the same test conditions, as the body itself.
  • the body with lamination can e.g. about 65% of the air permeability of the carcass (reduction by about 35%).
  • the reduction may also be up to 40-50% or up to 60-70% or more, possibly even up to practically 100%, e.g. when arranging a substantially airtight lamination such as foil or paper.
  • the respective specified air permeability of the foam material of the sealing band body or the sealing tape or the sealing tape body with lamination refers to the standard conditions of a 5 mm thick foam piece (fully relaxed) at a measured negative pressure of 0.5 mbar, test area 50cm2; Frank device 21443; DIN EN ISO 9237.
  • the flexible foam material of the sealing band body has a compression hardness based on DIN EN ISO 3386 up to 3 KPa or up to 5 KPa, optionally up to 7-10 KPa, in particular in contrast to rigid foams, where due to lack of elasticity, the sample according to DIN EN 3386 is no longer non-destructively testable. This ensures a good joint seal and also the IntumeszenzstMail in the joining state of the plates well embedded in the body. "Based on the standard means that differences in the sample geometry to DIN EN ISO 3386 may arise due to the dimensions of the sealing tape, The sample can be taken in such a way that the deviation in the sample geometry is as small as possible. If necessary, several layers of foam are to be arranged one above the other in order to obtain the required sample height.
  • the polymer foam e.g. Polyurethane foam
  • the plate core cures here preferably as a foam with a ⁇ 5-10fach or ⁇ 15-20 times higher compressive hardness than the soft foam material of the sealing band body or as hard foam, the compressive strength according to DIN EN ISO 3386 is no longer determinable.
  • the sealing strip can be made up as a wound, with a large number of winding layers next to and radially one above the other.
  • the sealing strip may have a length of, for example, more than 100 m or more than 200 m.
  • the intumescent strip can be wound up, that is to say it has a low flexural rigidity which makes it possible to wind up.
  • the sealing band body In the free, pressure-uninflated (fully expanded) state, the sealing band body preferably has a height of ⁇ 20-25 mm or preferably ⁇ 12-15 mm or ⁇ 10 mm, for example approximately 5-10 mm. These values may also refer to the sealing tape in the free, fully expanded state. Due to the IntumeszenzstMails a good fire protection effect is given by the sealing tape despite the low body height.
  • this comparatively low sealing band height of ⁇ 20-25 mm or preferably ⁇ 12-15 mm achieves that in the case of fire the intumescent strip is not excessively thermally shielded and thus a sufficiently fast response time of the intumescent material is provided to activate it in case of fire while increasing the volume , Furthermore, this is in many cases a sufficient seal or in terms of driving rain and / or air permeability or flowing air between the composite panels given and on the other hand, the sealing tape with not too high contact pressure of the composite panels to each other can be sufficiently compressed for joint sealing, for example, to 50% of the initial height of the sealing strip in a completely free relaxed state.
  • the carcass or sealing band height can also be up to 30-40 mm or up to 60 mm or more.
  • intumescent material it is generally possible to use a material which increases greatly in volume under the action of heat, for example expandable graphite, wherein the expandable graphite may contain intercalated foreign atoms or molecules.
  • expandable graphite a material which increases greatly in volume under the action of heat
  • other materials for example those which carbonize or vitrify under heat, for example, urea derivatives, cyanurates or silicates, phosphates, borates or the like, for example, hydrous silicates, silica gels, water glass or inorganic hydrates or hydroxides, etc., without being limited thereto.
  • the Intumeszenzstender can generally consist of an at least substantially incompressible material which is not compressible, for example, manually or under installation situation of the sealing tape in the joint, for example, in compression of the sealing tape to 30% or 15-20% of its height or up to the Height of the Intumeszenzstsammlungs, or there is only a compression of the Intumeszenzstsammlungs by a maximum of 5-10% of its initial height with completely free relaxed sealing tape.
  • the intumescent strip at a pressure of 1 kg / 10 cm 2 is not compressible or only by ⁇ 5-10% of the initial height of the same.
  • the intumescent strip preferably has no foam structure.
  • the Intumeszenzst Shape can thereby have a high content of under heat volume-increasing material such as expanded graphite.
  • the volume-enlarging material such as expandable graphite, may optionally be arranged in a substantially non-compressing matrix, in particular a plastic matrix, or may be held together by a binder, in particular an organic binder such as a polymer dispersion, wherein the volume-increasing material may be in particulate form.
  • the content of the intumescent strip on the material which increases in volume under heat can amount to ⁇ 5-10% by weight or preferably ⁇ 15-20% by weight, if appropriate also ⁇ 30-40% by weight or ⁇ 50-65% by weight, for example, ⁇ 70-85 wt .-% or ⁇ 50-60 wt .-%, optionally also ⁇ 30-40 wt .-%.
  • the (plastic) matrix material can be inert under the environmental influences which already cause a volume-inhibiting increase in volume of the material, such as expanded graphite, with respect to heat.
  • the matrix or binder material may be a thermoplastic material or at least thermally softening plastic material, so that the volume-increasing material with mechanical mixing - so not only only impregnation or impregnation - high content in the matrix is incorporated or by binder, in particular Binding particle, held together.
  • the matrix or binder material may be used as the preferably aqueous dispersion.
  • the content of the plastic matrix material on the intumescent material may be 15-80% by weight or 20-70% by weight or preferably 30-60% by weight.
  • the intumescent strip preferably consists of a material of lower porosity than that of the body material or of a substantially non-porous material.
  • the pore volume of the intumescent strip may be ⁇ 40-60% or ⁇ 20-30%, preferably ⁇ 10-15% or ⁇ 3-5%. This allows a high proportion of volume-increasing material in the Intumeszenzst Shape.
  • the pore volume For example, it can be determined planimetrically by making sections of the intumescent strip, and determining the area fraction of the pores on the section by determining the area fraction of the pores at the cross-sectional area by human microscopic observation of the section at 100X magnification. The determination surface is 10 times larger in each direction of the plane than the extension of the largest pore in this direction. From the square root of the determined area proportion to the cubic, the volume fraction of the pores results.
  • the intumescent strip preferably has a carrier which is loaded with intumescent material, the carrier being different from the sealing band body.
  • the intumescent material can also be incorporated into the carrier, such as, for example, in the above matrix or binder material, wherein the binder material may possibly also be present in small proportion only with the formation of adhesive bridges between intumescent material particles.
  • the carrier consists of a different material from the sealing band body, for example of a material with more than 2-5 times or more than 10-20 times higher air resistance than the material of the sealing band body, preferably as described above.
  • the carrier is not made of a plastic foam material.
  • the support may optionally be, for example, a textile material such as fabric or in particular nonwoven, which is loaded or provided with an intumescent material, for example by adhering particles of the intumescent material to the support material, or possibly a film, which in each case generally frame of the invention may apply.
  • the textile material or nonwoven as carrier material of the intumescent strip the statements relating to the textile material or nonwoven may optionally apply correspondingly as lamination.
  • this makes the carrier independent of the sealing band body be adapted so that the body regardless of the carrier, for example. Its air permeability, and / or regardless of the Intumeszenzmaterial, or its particle size, with respect to the requirements of the sealing strip such as air permeability, watertightness, thermal insulation, etc. adapted to the respective requirements can be.
  • the invention provides a sealing strip for a composite panel according to the preamble of claim 1, in particular for a composite panel according to the invention, wherein the sealing tape has a body made of a soft foam material, as well as opposite broad sides and connecting narrow sides, the foam body preferably not for delayed retention is impregnated and one of the two broad sides of the composite panel core of the composite panel is connectable, and further wherein the sealing tape on the intumescent strip having broadside at the level of IntumeszenzstMails or on the IntumeszenzstMail an outside adhesive adhesive layer.
  • the sealing tape can be fastened or fastened directly to the intermediate layer of the composite panel in the region of the intumescent strip or the intumescent strip.
  • This can be done in particular without arranging a foam material layer between Intumeszenzstsammlung and liner.
  • the IntumeszenzstMail be very precisely fixed to the intermediate layer, or in the composite panel production, and also undesirable changes in position of the IntumeszenzstMail when joining the composite panels, which could affect the fire protection effect, are safely avoided.
  • this may correspond to the application of the sealing tape width at least substantially the width of the IntumeszenzstShS or only slightly wider than this, for example, less than / equal to 2 to 3 times or for certain applications smaller than or equal to 1.25 to 1.5 times the width thereof, without being limited thereto.
  • the sealing tape is thereby particularly flexible to different composite panels, for example. Plates different widths used.
  • the sealing tape for example if this has a greater width than the intumescent strip, at the same time have a lamination connected to the foam body by means of an adhesive layer, wherein the lamination is arranged on the sealing strip broad side next to the intumescent strip, immediately adjacent or optionally spaced from the intumescent strip. In this way, at the same time be adhered to the laminated core in the plate production with the lamination, for example. By contacting the not yet cured core plate material with the lamination, as described.
  • the lamination here preferably consists of a textile material such as, for example, fleece or, if appropriate, also of a film, to the explanations of which reference is made in full.
  • the liner is adhered with an adhesive, which results in the production of a secure and location-defined arrangement, which ensures a high fire protection effect.
  • the lamination may itself also constitute a carrier for the intumescent material, or in the form of a textile layer, such as fleece, which is provided with intumescent material particles, e.g. by incorporation or application thereof.
  • the intumescent material particles are preferably arranged partly or predominantly on the side of the lamination facing the sealing band body. This may be the case, in particular, when the uncured or fresh core plate material is chemically less reactive.
  • the intumescent strip is always separated from the composite core plate material by a laminating layer.
  • the intumescent strip is covered by a laminating layer and thereby separated from the composite plate core material (the area of the intumescent strip opposite the intermediate layer may thus not be covered or only partially covered by a laminating layer).
  • the Kaschierlage is here each arranged on the same Dichtbandbreitseite as the Intumeszenzst Shape.
  • the term "lamination” within the meaning of the invention is always to be understood as a “lamination layer without intumescent material", unless otherwise specified in the context.
  • the cladding layer may on the outside partially, for example.
  • a adhesive adhesive adhesive layer such as self-adhesive layer, so that by this active adhesive layer, the sealing tape can be adhered to the liner or fixed (or is), ie the sealing tape on Height of the intermediate layer and at the level of the sealing strip contacting plate core material, the sealing tape is fixed to the composite plate.
  • the adhesive-active adhesive layer arranged on the outside of the sealing tape can be provided with a peelable cover layer in each case in the storage state of the sealing tape.
  • the invention comprises a composite panel in which the intumescent strip (directly) or the sealing tape is adhered to the intermediate layer with an adhesive at the level of the intumescent strip.
  • the adhesive preferably extends only over part of the width of the sealing strip, for example only at the level of the intermediate layer to which the adhesive is adhered.
  • the adhesive may be a tacky adhesive in the storage state of the sealing tape, such as a self-adhesive layer.
  • the intumescent strip can extend over the entire sealing tape width, preferably only over a part thereof, wherein the remaining remarks on the width of the intumescent strip are fully referenced, for example only in the region of one or both edge regions of the sealing tape.
  • the invention further comprises a composite panel in which the intumescent strip has a carrier provided with intumescent material, in particular of a textile or film material, wherein the intumescent strip is provided with a lamination on the side facing the intermediate layer.
  • the intumescent strip can extend over the entire sealing tape width, preferably only over a part thereof, wherein the remaining remarks on the width of the intumescent strip are fully referenced, for example only in the region of one or both edge regions of the sealing tape.
  • the lamination can be over the entire sealing belt width or only over part of the sealing belt width Extend, for example, completely cover the IntumeszenzstMake.
  • the laminating layer can generally, in particular in execution as a textile layer such as fleece or possibly also foil, be provided on the outside with a adhesive adhesive adhesive layer.
  • the adhesive layer may extend over only a portion of the width of the lamination, for example, only in the region of one or both edge regions of the sealing strip.
  • the adhesive layer may each be a tacky adhesive layer in the storage state of the sealing tape, e.g. a self-adhesive layer.
  • sealing tape is also disclosed in each case independently of the composite plate, even if the sealing tape is described in attached to the composite panel state.
  • the intumescent strip can be deformable, in particular rollable.
  • the intumescent strip can generally be designed as a flat strip, which extends with its main plane parallel to at least one of the two broad sides of the sealing strip.
  • the Intumeszenzstsammlung may have a substantially rectangular cross-section. The Intumeszenzstsammlung is thereby easily fixed on the foam body, for example by an adhesive layer.
  • the thermal insulation material of the foam core of the composite panel may be a foam material, in particular organic polymer material, preferably in each case as hard foam.
  • the foam material of the core plate can be a polyurethane foam or rigid foam, or optionally another reactive foam, which thus hardens under chemical reaction, optionally with crosslinking. It is understood that the curing of the polymer material occurs during plate making and the polymer material is cured on the ready-to-use composite plate.
  • the thermal insulation material may optionally also glass and / or mineral wool.
  • the foam material of the core is preferably a hard foam or semi-hard foam, which has a compressive hardness ⁇ 10-20 times higher than the soft foam material of the sealing band body, particularly preferably as rigid foam whose hardness according to DIN EN 3386 can no longer be determined nondestructive.
  • the foam material of the core may have the following properties, which may each apply independently of one another: density: 35-55 kg / m3 Compressive strength: 0.1 to 1 N / mm 2 Shear strength: 0.1 to 1 N / mm 2 Modulus of elasticity: 2.0 to 10N / mm2 Shear modulus: 1.5 to 4 N / mm2
  • the composite plate on both plate surfaces, ie inner and outer surface of the composite plate in the mounted state, depending on a cover layer of a non-foamed material, preferably of a metallic material.
  • the foam core arranged between the opposite cover layers is hereby mechanically protected; this therefore also applies to the intumescent strip arranged adjacent to the foam core.
  • sufficient stability and fire resistance of the composite panel is produced by the cover layers in case of fire.
  • the cover layer may in this case consist in particular of a metal sheet. In this way, for the production of the composite plate, the gap between the two cover layers can be foamed in a simple manner with the reactive foam, which then then hardens, whereby the two cover layers are connected to each other.
  • the sealing tape with the lamination can be applied, so that the reactive foam material is connected in not yet cured or fresh state cohesively with the lamination.
  • the IntumeszenzstMail is fixed to the composite plate in its desired position.
  • the desired position of the IntumeszenzstMails on the composite plate must not be controlled separately, as this results from the position of the sealing strip on the composite plate.
  • the sealing strip with its two narrow sides adjoins the respective inner surfaces of the two opposite cover layers independently of the manufacturing method described above and the other configuration of the composite panel.
  • the position of the intumescent strip is defined on the composite panel, so that the composite panel produced can be process-monitored in a continuous manufacturing process with respect to the position of the IntumeszenzstMails, namely on the control of the position of the sealing strip on the composite panel.
  • the composite plate is designed so that the two opposing cover layers overhanging the joints produced by joining identical plates, on which the sealing strip is arranged, the two cover layers bridging over the joint, the adjacent plate.
  • the overhanging regions of the cover layers can each be designed as connecting means for joining together adjacent plates.
  • the overhanging regions can each be designed as a tongue and groove connection.
  • the overhang may possibly be limited to the connection area with the adjacent plate.
  • the overhanging areas of the respective plate, in particular in training as a connecting means can fit accurately and or with a certain bias, preferably in each case gap-free, to the adjacent plate, in particular over the respective height extent of the plates.
  • the joint is thus covered on both sides by the two cover layers, whereby a greater tightness of the joining region of the plates is achieved.
  • Particularly preferred are at one of the two end faces of the composite plate, said narrow side is formed for connecting just this composite plate with another identical composite plate, both cover layers to form a groove frontally before.
  • the sealing strip is in this case arranged in the groove, springing back from the end face of the two cover layers.
  • the groove can also be asymmetrical, ie the fact that in the joining region of the two interconnected composite panels one of the composite panels each has a cover layer which engages over the respective other composite panel, so that the joint in the space between the two cover layers, which is respectively arranged on one of the two composite plates is formed.
  • the cover layer may generally have an inherent rigidity in the context of the invention, so that a section of a cover layer with a height of 1 m in the case of entrapment at the lower end can be set up freely.
  • the two cover layers protrude from the end face of the composite panel at the front, wherein they completely cover the sealing band body in its completely free relaxed state in height and protrude with respect to this frontally on the composite plate.
  • the body is thus arranged between cover layers, springing back from the free end faces of the cover layers.
  • the invention is further achieved by a sealing strip for a composite panel according to the invention, wherein the sealing strip has a body made of a soft foam material, as well as opposite broad sides and connecting narrow sides, wherein the foam body is not or not impregnated for delayed recovery and one of the two broad sides with the Foam core of the composite plate is connectable.
  • the foam body has, on the broad side to be joined to the plate core, a lamination secured by means of an adhesive layer. Between the lining and the foam body, an intumescent strip is arranged here.
  • the lamination is here in each case preferably as above the formed entire broad side of the foam core extending liner.
  • the sealing tape is further formed by the further dependent claims. It should be emphasized here that the above statements with respect to the sealing tape with composite panel also refer independently of the composite panel on the sealing tape itself, so that also in relation to the sealing tape itself fully on the above statements and the embodiments of the invention in general reference is taken.
  • the lining can be formed as a barrier layer, preventing contact of the material of the composite board core with the intumescent strip.
  • the adhesive layer may be designed as a hot-melt adhesive layer for joining the lining to the foam body.
  • the hot melt adhesive of the hot melt adhesive layer may have a melting point in the range of 70-150 ° C.
  • the intumescent strip can be arranged off-center of the body, preferably adjacent or adjacent to a narrow side of the body.
  • the foam material of the body can have an air permeability of ⁇ 1000 l / m 2 s.
  • the lining can be a paper layer, film layer or textile layer.
  • FIG. 1 shows the joining region of a composite panel 1 according to the invention in cross section, which can serve to create a wall or ceiling area of a building in conjunction with identical other composite panels.
  • the composite plate 1 has a plate plane (main plane) 1a.
  • the composite panel 1 has on at least two opposite end faces 1 b, 1 c of the same complementary joining regions F with mutually complementary connecting means 2 a, 2 b (see FIG. 2 ) for impact-side bonding with adjacent, identical composite panels 1 'to form a joint between them.
  • the connecting means are designed here as tongue and groove connections.
  • the end faces 1 b, 1 c connect the two opposite large surfaces 1 d, 1 e of the respective plate, which the inside and outside of the Provide plate in mounted condition.
  • the composite panel has a core 3 of thermal insulation material, in particular of a cured, reactive foam material or organic polymer material, according to the embodiment of a rigid foam, in particular PU rigid foam.
  • a rigid foam in particular PU rigid foam.
  • the plate core may optionally also consist of a different material or other thermal insulation material, for example.
  • An inorganic material such as glass or mineral wool.
  • the foam material preferably used here is thus foamable in the not yet cured state or with a blowing agent such as a propellant gas as a foamed material from a nozzle of a suitable machine ausbringbar, after curing, this has a sufficient stability and according to the embodiment before as hard foam before.
  • cover layers 7 of non-combustible material are arranged, which cover the panel core 3 over the whole area.
  • the cover layers consist here of sheet metal, in special steel sheet with a melting point above 1450 ° C.
  • the layer thickness can be, for example, about 2 mm.
  • a sealing tape 10 is fixed in position, which in joined adjacent composite panels between them formed joint 6 (see FIG. 2b, 3 ), in particular with regard to driving rain and drafts.
  • the sealing tape 10 has a body 11 made of a compressible soft foam material.
  • the body 11 has a foam core facing broad side 11a and a side facing away from this broadside 11b and these connecting narrow sides 11c, 11d.
  • the sealing band body as preferably generally in the context of the invention, permeable to water vapor.
  • the sealing tape 10 comprises at least one Intumeszenzst Shape 15, which is arranged here in a preferred embodiment on the plate core 3 facing broad side 11a of the sealing band body, based on the plate to which the sealing tape 10 is attached.
  • the strip 15 may also be arranged on the side facing away from the plate core broad side of the sealing band body, possibly also different strips on both broad sides.
  • the intumescent strip 15 has an intumescent material such as expanded graphite or the like, which may be incorporated in a matrix of a plastic material or synthetic resin.
  • the Intumeszenzstsammlung 15 is flexible, so that the sealing tape can be wound with this or can be unwound without much resistance.
  • the Intumeszenzstsammlung has a material stiffness, so that it flattened under its own weight, for example, when it is rolled on a flat surface and arranged elongated.
  • the intumescent strip then takes the leveling on the flat surface without further pressure, taking into account a sufficient time. This can generally be considered within the scope of the invention.
  • the intumescent strip is arranged eccentrically on the sealing strip broad side and in relation to the plate off-center of the plate main plane, namely in the region of a narrow side of the sealing strip or adjacent to a sealing narrow side.
  • the strip 15 extends here only over a part of the body width side, here about 20% of the body width and approximately also about 20% of the plate width at the level of the plate end face.
  • two laterally spaced-apart intumescent strips 15 and 15 ' are arranged on the carcass broad side, namely in each case adjacent to or adjacent to one broad side on the opposite narrow side of the carcass 11c, 11d.
  • the comments on the strip 15 apply mutatis mutandis to the strip 15 '.
  • the two cover layers 7 of the plate is here in each case a plate core 3 to the joint out at least partially (or according to the embodiments only partially) overhanging intermediate layer Z, Z 'arranged from a non-combustible material.
  • the intermediate layer Z, Z ' is fastened or fixed in position to the respective cover layer 7 and is arranged between the sealing strip and composite panel core 3.
  • the intermediate layers Z, Z ' here each consist of the same material as the respective cover layer 7, to which the intermediate layer is attached or fixed in position, and here also have the same material thickness as this.
  • the intermediate layers Z, Z ' are here integrally formed on the respective cover layer, namely by deformation or bending of the cover layer, whereby the position fixing takes place at the respective cover layer.
  • the two cover layers 7 of the composite panel may also be integrally connected to one another by at least one intermediate layer of the panel.
  • the at least one intumescent strip 15, in this case both strips 15, 15 ', is / are arranged on the side of the respective adjacent intermediate layer Z, Z' facing away from the composite plate core with respect to the joint width at the level of the respective intermediate layer Z, Z ' each at this.
  • the intumescent strip 15 is arranged between the intermediate layer Z and the sealing band body on the side of the sealing strip facing the intermediate layer Z, which is fastened to the respective composite plate, the same applies to the strip 15 'with respect to the intermediate layer Z'.
  • the composite plate has at the two at opposite end faces 1b, 1c arranged, complementary joining regions F1, F2 the plate core respectively frontally overlapping intermediate layers Z, Z ', Z' ', Z' '' 'made of non-combustible material, with respect to all Liners on the comments on the liner Z reference was made.
  • the pairs Z, Z '' and Z ', Z' '' may optionally also be provided only on a large area 1d or 1e opposite intermediate layers (eg Z, Z '), in particular when only one Intumeszenzstsammlung 15 at the sealing tape.
  • the opposing intermediate layers Z, Z "and Z ', Z" are each arranged in pairs in the region of the same large area, the two pairs just on opposite large surfaces.
  • the assembled plates form between them an area of the joint, wherein the Intumeszenzst Shape 15 of the sealing strip in the direction of the joint width between the two intermediate layers Z, Z '' and the strip 15 'between the intermediate layers Z', Z '' 'is arranged.
  • a fire protection technology particularly effective embodiment is created because the inflating in case of fire intumescent material fills the space between the non-combustible intermediate layers of the adjacent plates and therefore closes the joint.
  • the intermediate layer extends here in each case over the width of the respectively adjacent or adjacent Intumeszenzstsammlungs so that it is covered or shielded to the plate core in each case over its entire width by the adjacent or adjacent intermediate layer (width of the Intumeszenzstsammlungs each in the carcass width direction).
  • the intermediate layers Z, Z ', 2'',Z''' of the respective composite plate each extend transversely to the plate core or plate main plane, each approximately at an angle of 90 °, according to the embodiment of FIG. 4 (see below) at an angle of about 80 °.
  • a film 9 or other delimitation provided, which is materially connected to the plate core and which in the plate production as a contact surface for foaming and Limitation of the disk core is used.
  • the two cover layers of the respective plate can also be integrally connected to one another on the front face of the plate, as in Fig. 2a shown.
  • the front-side cover layer connection can then provide the intermediate layers Z ", Z"'.
  • FIGS. 1 . 2 stand the two cover layers 7 of the composite plate 1 frontally on the sealing tape body 11 before, with the protruding portions 7a. so that the two sections 7a form a groove 8 and completely cover the laminating layer and the Intumeszenzst Shape 15 in height.
  • the portions 7a also cover the groove 11 arranged in the body 11 completely free relaxed state of the same completely to the respective plate main surface or plate inside and outside.
  • the protruding portions 7a of the cover layers are designed such that, in cooperation with the end face region of the adjacent composite panel, a suitable connection results, for example a non-positive and / or positive connection.
  • the sections 7a may be narrow or preferably with Bias laterally abut the adjacent plate, the sections 7a may alternatively or additionally also have suitable locking means which can interact with corresponding locking means at the joining region F1 of the corresponding plate 1 '.
  • the sections 7a in the recesses 2b (see also Fig. 2a ) of the joining region F2 of the adjacent plate are pushed in the joining direction according to the arrow Fig. 1c ,
  • a change in position of adjacent plates perpendicular to the plate main plane and / or parallel to the plate main plane perpendicular to the mutually facing plate end sides of adjacent plates can generally be hindered or prevented within the scope of the invention.
  • the frontally protruding sections 7a of the cover layers thus represent, by way of example, connecting means for joining adjacent plates, which optionally may also be designed in other suitable manner.
  • the sections 7a and connecting means are in this case integrally formed on the cover layers or formed as Umform Schemee the same (and thus part of the same), and thus also consist of the same material, here also with the same material thickness.
  • the intermediate layers Z, Z ', Z'',Z''' are formed in one piece on the connecting means or sections 7a, and thus also an integral part of the cover layers 7.
  • the front side of the foam core 3 projecting portions 7a thus cover the joint 6 in each case to the respective outer plate side or plate large area completely, even over the entire plate height.
  • the sealing tape extends at least approximately from cover layer 7 to cover layer 7, completely bridging the distance between the two cover layers 7, more specifically, between the front-side projecting portions 7a of the cover sheets.
  • the two narrow sides 11c, 11d of the sealing strip 10 abut against the inner sides 7i of the protruding sections 7a or are arranged at least adjacent thereto.
  • the composite panel may meet F30 or F60 or possibly also F90 requirements, which may also apply to the other embodiments.
  • a lining (Kasch michusslage) 12 is arranged, which extends over the entire width of the body 11.
  • a lining (Kasch michusslage) 12 is arranged, which extends over the entire width of the body 11.
  • To provide a handling and assembly technology safe fire protection equipment of the composite panel is disposed on the plate core 3 facing broadside 11a of the sealing band body and the lamination 12 of the Intumeszenzstsammlung 15.
  • the sealing strip is easy to handle in the plate manufacturing, the IntumeszenzstMail protected at the composite plate sealing tape against external influences, especially during assembly of the composite panels, further wherein the sealing of the foam body, for example.
  • the lamination is in this case formed as a barrier layer between the Intumeszenzstsammlung and the material of the foam core 3, which prevents contact of the material of the foam core with the IntumeszenzstMail in the plate production, for example with foamed foam core.
  • the lamination has for this purpose a sufficient tightness against the not yet cured foam material.
  • the lining can for this purpose be formed as a closed, non-disruptive layer be, for example as a paper layer or film layer (metal or preferably plastic film) or particularly preferably as a textile layer with sufficient tightness.
  • a textile layer, in particular also a nonwoven layer, is particularly preferred here, since it is easy to handle and allows a cohesive connection of the plastic core with the lamination in a simple manner, in particular by the formation of the textile layer of fibers, which form a material connection with the reactive material of the Foam core allow.
  • the foam core 3 is thus connected to the embodiment cohesively with the lamination 12 and connects directly to this.
  • the sealing tape with the foam core side facing are pressed against the not yet cured foam core, so that the lining 12 preferably intimately comes into contact with the material of the foam core 3, so that then after curing of the material of the foam core 3 is a cohesive connection between sealing tape 10 and foam core 3 is made.
  • the material of the foam core in this case can be foamed or introduced between two cover layers of the composite panel, which can be done in a continuous manufacturing process, for example an extrusion process with extrusion of the material of the foam core in the space between the two cover layers of the composite panel.
  • the laminating layer here as a nonwoven layer, has a thickness of about 75 ⁇ m.
  • the nonwoven layer has an air permeability of about 400 l / m 2 s, it has been found that for many applications, this is given a sufficient tightness to act as a barrier layer to the foam core material out.
  • the nonwoven layer may have a basis weight of about 25 g / m 2 .
  • the nonwoven layer may for example consist of plastic fibers such as PE or the like.
  • the nonwoven fibers are thermally interlocked with each other. This also applies to other textile layers such as fabric layers or the like. If desired, a paper layer can also be used instead of a film.
  • the lamination, here the fleece layer has an elongation at break (elongation at break) of about 20% and a tensile strength of about 30 N / 50mm.
  • the cladding layer 12 is attached by means of the adhesive layer 13 to the foam body 11 of the sealing tape.
  • the Intumeszenzstsammlung 15 (the same applies in each case also for the strip 15 ') is at the same time fixed by means of the adhesive layer 13 according to the embodiment of the body 11 of the sealing tape.
  • the adhesive layer 13 is thus arranged in overlap of the Intumeszenzstsammlungs 15, thus covering the IntumeszenzstMail 15 on the foam core 3 side facing.
  • the intumescent strip 15 may be fixed to the sealing band body 11 by means of an adhesive layer 16, which is arranged between the body 11 and the intumescent strip 15.
  • the adhesive layer 13 is formed here as a layer of a hot melt adhesive, which has a melting temperature in the range of 80-100 ° C.
  • a hot melt adhesive has surprisingly proven, also because the melting temperature of the adhesive is lower than the response temperature of the intumescent, in which this undergoes a strong increase in volume, since apparently the Intumeszenzst Shape is fixed in position by the sealing tape body sufficiently in the joint.
  • the sealing band body has a height of approx. 10 mm in the completely free relaxed state.
  • the sealing band body is compressed in assembly arrangement (joining state) of the composite panels to a height of 50% of its initial height in a fully free (outside the joint) relaxed state.
  • the Intumeszenzstsammlung has a height of about 25% of the body height, it being understood that in mounting arrangement (Joining state) of the composite panels the height of the IntumeszenzstMails does not exceed the width of the joint.
  • the height of the intumescent strip can amount to ⁇ 30-40% or ⁇ 50-75% of the joint width (distance of the end faces of the composite panels), possibly up to approximately 100%. This can generally apply in the context of the invention.
  • the foam material of the sealing band body according to the embodiment has an air permeability of about 100 l / m 2 s.
  • the foam material of the body is here a polyurethane foam.
  • FIGS. 1a, 1b and 2a the sealing tape 11 is shown in a completely free relaxed state.
  • the above statements with respect to the sealing strip also relate to the sealing tape regardless of its arrangement on the composite panel and also to the other embodiments and also to the invention in general, unless otherwise stated in the respective context.
  • the groove on the front side of the composite plate is formed asymmetrically, ie one of the two connecting means or cover layer sections 7a protrudes from the foam core frontally, on the opposite cover layer of this composite plate a recessed portion 2b is provided in which the cover layer portion 7a attached to the adjacent composite panel engages.
  • the structure of the composite panels, moreover, in particular the arrangement and design of the intermediate layers and the sealing strip can, as in the FIGS. 1 and 2 described described.
  • FIG. 4 shows a modification of a composite panel 1 after FIG. 3 with head-like widened plate face and hook-like protruding portions 7a and generally connecting means, wherein one of the connecting means or the hook-shaped portion 7a, the head-like widening of the adjacent plate and / or engages behind and can bias against the adjacent plates.
  • the hook-shaped cover layer extension thus also protrudes laterally and frontally from the plate core.
  • the connecting means or the projecting portion 7a 'on the opposite large surface is biased against the cover layer of the adjacent plate.
  • the two plates are secured against changes in position perpendicular and parallel to the plate main plane. This can also apply to other embodiments within the scope of the invention.
  • the sealing tape (shown here only schematically) here has only one IntumeszenzstMail 15, which in turn is arranged between two opposite intermediate layers Z, Z 'of the two plates (but may also be arranged only in the region of or on an intermediate layer).
  • the strip 15 to the plate core 3 out over covering Kasch michellesslage (not shown) is thus also materially connected to the plate core, so unless shielded from the intermediate layer Z.
  • the width of the sealing strip 10 is only slightly larger than the width of the Intumeszenzstsammlungs 15 or may optionally correspond to this.
  • the sealing tape does not protrude in width, or not substantially over the intermediate layer Z (or over the intermediate layers Z and Z '') in the direction of the plate main plane addition, which may generally apply in the context of the invention, in particular also with respect to the other embodiments unless explicitly stated otherwise.
  • the lamination is on the outside with a adhesive adhesive layer (not shown), such as a self-adhesive layer, so that the sealing tape 10 by means of this adhesive layer on the intermediate layer Z and thus on the composite plate 1 is attached.
  • a adhesive adhesive layer such as a self-adhesive layer
  • the adhesive adhesive layer on the outside or the self-adhesive strip can also be arranged directly on the intumescent strip 15 or adhesively bonded thereto.
  • the sealing strip 10 or the sealing band body 11 extends according to Fig. 5 the sealing strip 10 or the sealing band body 11 at least substantially over the width of the plate core.
  • the plate structure and the arrangement of the intumescent strip 15 otherwise correspond to those of FIG. 4 , to the other comments too FIG. 4 be referred.
  • the intumescent strip 15 is adhesively bonded to the intermediate layer by means of the adhesive layer (not shown), which in the storage state of the sealing strip is particularly adhesive-reactive, such as, for example, a self-adhesive layer.
  • the sealing strip Adjacent to the intumescent strip 15, the sealing strip is provided with a lamination which extends over a part or the entire width of the sealing strip or sealing band body, which is not covered by the intumescent strip.
  • the lamination is also here, as in the examples of the FIGS. 1 to 3 , cohesively connected to the plate core, for example. By contacting the not yet cured plate core material with the lamination, such as a nonwoven layer.
  • Fig. 6 shows various embodiments of sealing strips 10 with body 11 and IntumeszenzstMail 15, wherein the other embodiments of the embodiments and otherwise reference is made to the invention in its entirety, unless otherwise stated in the context.
  • the sealing tape is here for explanation between two opposing intermediate layers Z, Z '' arranged, it is understood that all modifications of the other embodiments and in the context of the invention apply mutatis mutandis.
  • only one of the intermediate layers Z can be provided, preferably that which is arranged on the same sealing strip broad side as the IntumeszenzstMail, so here the intermediate layer Z.
  • the composite panels are in Fig. 6 only the intermediate layers Z, Z '' shown, the structure of the plates and the joining state is as described in the other embodiments or otherwise to the invention.
  • the intumescent strip 15 can here, as in the other examples, be designed as a carrier layer provided with intumescent material, such as fleece (or possibly film) or preferably as an intumescent material incorporated in a matrix such as synthetic resin (or intumescent particles bound with binder), as described above ,
  • an adhesive layer 13 preferably the same or possibly different adhesive as the first-mentioned adhesive layer
  • a lamination 12 is attached to the IntumeszenzstMail.
  • the IntumeszenzstMail may extend over the entire width of the sealing strip, if necessary, it may be narrower than the sealing tape.
  • the lamination 12 may extend over the entire width of the IntumeszenzstMails 15, if necessary, this may be narrower than the strip 15.
  • the lamination layer 12 and thus the sealing strip 10 can be materially connected to the plate core (not shown), as, for example, accordingly Fig. 1 , For example, by contacting the uncured plate material with the lamination.
  • Fig. 6b shows a modification of the sealing tape or sealing tape with composite plate according to Fig. 6a in which, instead of the lamination 12 and the adhesive layer 13 connecting the strip 15 to the intumescent strip 15 on the outside, facing the intermediate layer Z, an adhesive layer 18 is provided which is adhesive-reactive in the storage state of the sealing strip, such as a self-adhesive layer.
  • the adhesive layer extends only over part of the width of the strip 15, namely over the area (or a part thereof) with which the strip 15 is covered by the intermediate layer Z and shielded by the plate core. By the adhesive layer, the strip 15 is securely fixed to the intermediate layer Z.
  • FIG. 6c shows a modification Figure. 6a , wherein the Intumeszenzstsammlung 15 extends only over part of the sealing tape width or body width.
  • the intumescent strip 15 here extends beyond the width of the intermediate layer Z, in particular not beyond the edge of the intermediate layer adjacent to the plate main plane (shown in the figure).
  • the strip 15 is completely shielded by the intermediate layer Z of the core plate material, even in the production of the plate, so that unwanted interactions are also excluded, for example, due to chemical reactions with the (still) reactive core material.
  • the adhesive layer 16 corresponds to that according to FIG. 1b , But it is possibly also an extension of the strip 15 beyond the edge of the intermediate layer also possible.
  • FIG. 6d shows a modification of the sealing tape according to FIG. 6c
  • the intumescent strip 15 is here connected by the adhesive layer 13 with the body, possibly also by an adhesive layer 16.
  • the lamination extends only to the Intumeszenzst Shape 15, at least this is not completely covered by the lamination.
  • the strip 15 is connected by an adhesive layer 18 with the intermediate layer Z (with reference to the comments on the adhesive layer 18 after Fig. 6b ).
  • the cladding layer 12 is connected at the level of the core plate material fit with the core plate material, accordingly Fig.
  • the sealing tape is thereby determined over its width in the region of the strip 15 and in the not covered by the strip 15 sealing band area (here area of the lamination 12) on the composite plate, namely on the one hand to the intermediate layer and on the other hand on the plate core.
  • Fig. 6e shows a sealing band of small width, which here (or generally only slightly) does not protrude laterally from the intermediate layer.
  • the sequence of layers and other design corresponds to that of the sealing strip 10 according to Fig. 6d at the level of the strip 15. The statements are hereby incorporated by reference.
  • the sealing tape 10 is thus attached (only) by means of the adhesive layer 18 to the intermediate layer Z or to the intermediate layer Z comprehensive composite plate.

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EP14181050.7A 2013-08-14 2014-08-14 Plaque composite dotée de bande étanche Active EP2853649B1 (fr)

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DE202013103694.3U DE202013103694U1 (de) 2013-08-14 2013-08-14 Verbundplatte mit Dichtband

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GB2568473A (en) * 2017-11-15 2019-05-22 Kingspan Holdings Irl Ltd A panel for exterior cladding
EP3260617B1 (fr) 2016-06-20 2021-03-10 Tremco CPG Germany GmbH Bande d'étanchéité

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CN107503466A (zh) * 2017-08-30 2017-12-22 苏州天路保温材料有限公司 一种防水型建筑pc保温石墙连接结构
GB2574658B (en) * 2018-06-14 2021-12-15 Kingspan Oy Single wall panel

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EP1497113A2 (fr) * 2002-04-23 2005-01-19 Kingspan Research and Developments Limited Panneau isolant
DE202011109831U1 (de) * 2011-12-09 2013-03-13 Tremco Illbruck Produktion Gmbh Verbundplatte
DE202012000883U1 (de) * 2012-01-27 2013-05-02 Tremco Illbruck Produktion Gmbh Dichtband

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3260617B1 (fr) 2016-06-20 2021-03-10 Tremco CPG Germany GmbH Bande d'étanchéité
GB2568473A (en) * 2017-11-15 2019-05-22 Kingspan Holdings Irl Ltd A panel for exterior cladding
GB2568473B (en) * 2017-11-15 2020-07-08 Kingspan Holdings Irl Ltd A panel for exterior cladding

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EP2853649B1 (fr) 2017-05-03
PL2853649T3 (pl) 2017-10-31
EP2853649A3 (fr) 2015-11-18

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