EP3093408B1 - Insulating panel system with tongue and groove connection - Google Patents

Insulating panel system with tongue and groove connection Download PDF

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Publication number
EP3093408B1
EP3093408B1 EP15001430.6A EP15001430A EP3093408B1 EP 3093408 B1 EP3093408 B1 EP 3093408B1 EP 15001430 A EP15001430 A EP 15001430A EP 3093408 B1 EP3093408 B1 EP 3093408B1
Authority
EP
European Patent Office
Prior art keywords
tongue
groove
insulating panel
primary
spring
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.)
Active
Application number
EP15001430.6A
Other languages
German (de)
French (fr)
Other versions
EP3093408A1 (en
Inventor
Ulrich Fehrenbach
Ulrich Wilms
Jürgen Ebi
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.)
GUTEX Holzfaserplattenwerk H Henselmann GmbH and Co KG
Original Assignee
GUTEX Holzfaserplattenwerk H Henselmann GmbH and Co KG
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 GUTEX Holzfaserplattenwerk H Henselmann GmbH and Co KG filed Critical GUTEX Holzfaserplattenwerk H Henselmann GmbH and Co KG
Priority to EP15001430.6A priority Critical patent/EP3093408B1/en
Priority to PL15001430T priority patent/PL3093408T3/en
Publication of EP3093408A1 publication Critical patent/EP3093408A1/en
Application granted granted Critical
Publication of EP3093408B1 publication Critical patent/EP3093408B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
    • E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
    • 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
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1618—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for fixing the insulating material between the roof covering and the upper surface of the roof purlins or rafters
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges

Definitions

  • a generic insulation board system comprises a first insulation board, a second insulation board and a primary tongue and groove joint, the primary tongue and groove joint having a first groove and a first spring, the first groove and the first spring are formed such that they are positively connected to one another, the first insulating plate has at least one primary spring end surface, on which the first spring is formed, and the second insulating plate has at least one primary groove end face on the first groove is formed such that the first insulation board is positively connected via the primary tongue and groove connection with the second insulation board, wherein the first insulation board has a plate top and a plate underside, the primary spring face between the plate top and the plate base extends, the first Fede r has a first upper side facing the top of the plate, and a bevel is formed on the plate top in the region of the primary spring end face in which the plate top is chamfered to the spring top, wherein the bevel with respect to a first direction perpendicular to the primary spring face
  • the thin upper groove cheek causes the plate is easily damaged during stress, for example, by moving on the roof craftsmen, which can lead to the destruction of the groove or affect the insulation effect or rainfall. Damaged insulation boards must be replaced in a time-consuming and cost-intensive manner.
  • the invention offers the advantage that the thickness of the upper groove cheek increases faster and the point of the notch effect of the first spring end is moved away from the top of the plate by the straight area with spring angle.
  • the insulation board system according to the invention can withstand higher loads without damaging the insulation board or adversely affecting the insulating effect or the rainproofing.
  • the rectilinear region of the present invention is not only a short transition region, but the length of the rectilinear region in a projection in the first direction is at least 30%, preferably at least 40% of the length of the first spring.
  • the insulating panels of the present invention are preferably rectangular panels of constant thickness. Such insulation boards are particularly easy to manufacture and install.
  • the first insulating board and the second insulating board each have a thickness of 50-160 mm, preferably 50-100 mm.
  • the insulation boards consist of wood fibers. Such insulation boards are easy and inexpensive to produce and have a good insulation effect. Particularly preferred are wood fiber insulation boards with a substantially constant density profile. Such insulation boards are particularly stable and resistant to stress. Preferably, the insulation boards have a density of 100 kg / m 3 to 200 kg / m 3 .
  • the insulation board system according to the invention is designed as a Dämmplattensystem to cover a roof.
  • the inventively high resilience and rainfall has a particularly positive effect.
  • the first insulating plate is preferably aligned so that the primary spring end face along the transverse direction of the roof is aligned and the slope on the top plate in the direction of the roof ridge shows.
  • the transverse direction of the roof is defined independently of the course of ridge and eaves as the direction along the horizontal. This also applies to sloping trained ridge and / or eaves.
  • the primary tongue and groove connection represents the longitudinal connection, wherein the longitudinal direction of the roof is defined independently of the course of ridge and eaves perpendicular to the transverse direction and extends between ridge and eaves.
  • the insulation boards of the insulation board system according to the invention can be connected to each other in the transverse direction via another tongue and groove connection or in any other way.
  • the bevel angle between 10 ° and 20 °. In this area, when using the Dämmplattensystems as undercoverage of a roof in common sloping roof water over the slope effectively dissipated at the top of the plate. This results in a particularly high rainfall.
  • the first spring divides the primary spring end face into an upper section above the first spring and a lower section below the first spring.
  • the upper side of the plate and / or the underside of the plate merges flush with the first spring.
  • the primary tongue and groove connection between the first insulating board and the second insulating board is designed such that the primary spring end face of the first insulating board rests at least partially flush with the primary groove end side of the second insulating board.
  • the present invention provides a roof with a ridge, at least one eaves, a roof covering, a roof substructure and an insulation board system according to the invention as undercoverage, wherein the ridge and the eaves define a roof surface.
  • the transverse direction of the roof surface is defined as the direction along the horizontal, regardless of the course of ridge and eaves, the longitudinal direction of the roof surface is defined as perpendicular to the transverse direction.
  • the insulation board system is disposed in a direction perpendicular to the roof surface between the roofing and the roof substructure, and the first insulation board is arranged with the board top facing the first insulation board facing the roofing, the primary spring face aligned along the transverse direction, and the first spring essentially along the longitudinal direction in the direction of the ridge.
  • the slope is located on the eaves side of the primary Tongue-and-groove connection and causes an effective drainage of water.
  • the penetration of water into the primary tongue and groove connection is prevented.
  • the roofing is roof tiles.
  • any other types of roofing are possible.
  • the substructure is preferably rafters.
  • the substructure may also comprise other elements, such as a further insulating layer, a lining or a foil.
  • the roof may further include at least one fastener with which the insulation board system is at least partially attached to the roof substructure.
  • fasteners in the form of a batten, which is located between the insulation board system and the roofing.
  • the battening preferably runs along the transverse direction of the roof surface and is preferably fastened to the roof substructure with connecting elements, for example nails, wherein the connecting elements penetrate the insulation board system, whereby the insulation board system is firmly connected to the roof substructure.
  • the roof covering is at least partially firmly connected to the at least one fastening element.
  • the rectilinear region comprises the first spring end.
  • the first spring is therefore only tapered at its end by means of the rectilinear region of the first spring top, so that the first spring is sufficiently stable.
  • the spring angle is between 30 ° and 50 °.
  • the first groove and the first spring are particularly stable and there is a stable positive connection for the primary tongue and groove joint.
  • the thickness of the first spring end corresponds to at most 30%, in particular at most 20% of the thickness of the first spring on the primary spring end face. This allows a particularly stable design of the corresponding first groove.
  • the thickness of the first spring end corresponds to at most 15% of the thickness of the first spring on the primary spring end face.
  • the first spring end has a tip.
  • the first underside of the spring which faces the underside of the plate, also has a rectilinear area and the first spring end has a substantially triangular shape.
  • the lower groove cheek can be made relatively thin.
  • the lower groove cheek is wider, so that they are more resistant to Loads.
  • the load point of the notch effect of the spring in the groove is farther from the top and bottom of the plate, so that the primary tongue and groove connection becomes particularly stable.
  • the slope is flush over into the first spring top.
  • the first spring end defines a primary plane parallel to the top of the plate, the primary plane having a distance of between 20mm and 30mm from the top of the plate.
  • the upper groove cheek of the first groove is particularly stable and resistant to stress and at the same time an effective water drainage can be ensured. If the first spring end has an end face, this is cut from the primary plane in this embodiment. If the first end of the spring has a tip, this is in the primary plane in this embodiment.
  • the first insulating panel defines a first median plane between the top of the plate and the bottom of the panel, and the median plane intersects the first end of the spring. This results in the greatest possible stability of the upper groove cheek without negatively influencing the stability of the lower groove cheek. If the first spring end has an end face, then in this embodiment it is cut from the center plane. If the first end of the spring has a tip, this is located in the middle plane in this embodiment.
  • the first insulation board has a primary groove end surface opposite the primary spring end face with a first groove, wherein the first groove and the first spring are formed such that the first insulation board via the primary tongue and groove connection is positively connected with another similar first insulation board.
  • the insulation board system has a secondary tongue and groove connection with a second groove and a second spring, wherein the second groove and the second spring are formed such that they can be positively connected to each other and the thickness of the second spring end at most 30% of the thickness of the second spring on the secondary spring face corresponds. Furthermore, at least one of the first insulation board or second insulation board having at least one secondary spring end surface on which the second spring is formed, and at least one of the first insulation board or the second insulation board has at least one secondary groove surface on which the second groove is formed, in such a way that the first insulation board can be positively connected to the second insulation board via the secondary tongue and groove connection.
  • the insulation boards of the insulation board system according to the invention can also connect in a second direction in a particularly simple manner. Due to the triangular configuration of the second spring end, the second groove is particularly stable. As a result, the secondary tongue and groove connection is particularly stable and resilient.
  • the second spring divides the secondary spring end face into an upper section above the second spring and a lower section below the second spring.
  • the upper side of the plate and / or the underside of the plate merges flush with the second spring.
  • the second spring end has a tip.
  • the second spring end defines a secondary plane parallel to the top of the plate, the secondary plane having a distance of between 20mm and 30mm from the top of the plate.
  • the upper groove cheek of the second groove is particularly stable and resistant to stress and at the same time an effective water drainage can be ensured. If the second spring end has an end face, this is cut from the secondary plane in this embodiment. If the second spring end has a tip, this is in the secondary plane in this embodiment.
  • the secondary level can be the same as the primary level.
  • insulating board defines a second center plane with a secondary spring end face between its top side and its underside of the plate, wherein the second spring is designed such that the second center plane intersects the second spring end.
  • the groove cheeks of the second groove are particularly stable and resistant to stress.
  • the second median plane may coincide with the first median plane.
  • the second insulation board has at least one secondary spring end surface and an opposite secondary groove end surface, so that the second insulation board is positively connected via the secondary tongue and groove connection with another, similar second insulation board.
  • the first insulating board has a primary spring end face, a primary groove end face opposite to the primary spring end face, a secondary spring end face and a secondary groove end face lying opposite the secondary spring end face, such that the first insulating plate via at least one of the primary tongue and groove connection or secondary tongue and groove connection with a further, similar first insulating plate is positively connected.
  • the Dämmplattensystem invention can be particularly simple and inexpensive to implement.
  • the first insulation board has a primary groove face and a secondary spring face, the primary groove face abutting an edge of the first insulation plate at the secondary spring face, and the first groove and the second spring are formed such that at the edge of the second spring top on the first spring top or the slope of a form-fitting manner with the first groove first spring is present.
  • water that penetrates into the secondary tongue and groove connection can be passed via the second spring top on the first spring top and from there to the top plate of the first insulating board.
  • the rain resistance of the insulation board system according to the invention is further increased. Water entering the secondary tongue-and-groove joint does not remain within the insulation board system but is drained off the top of the plate.
  • the second spring on the upper side of the plate facing the upper side of the plate on a formed along the secondary spring face Wasser arrangementsnut.
  • water that enters the secondary tongue-and-groove joint can be effectively collected and discharged in the water guide groove.
  • penetration of the water can be prevented and the rainproofness of the insulation board system according to the invention can be further improved.
  • the groove bottom of the water-guiding groove rests flush against the edge at the first transition region of a first spring which is positively connected to the first groove.
  • the flush transition prevents backwater from entering the water and improves drainage.
  • the first insulation board and the second insulation board are identical.
  • the insulation board system can be realized particularly cost-effectively, since it is not necessary to produce two different types of insulation boards.
  • the insulation board system furthermore comprises at least one frame element, the frame element having at least one frame end face facing the first insulation board or second insulation board, on which at least sections the first spring, the first groove, the second spring or the second groove is formed, that the frame member with the first insulating plate or the second insulating board via the primary tongue and groove connection or the secondary tongue and groove connection is positively connected.
  • FIG. 1 shows edge regions of a first insulation board 1 and a second insulation board 2 of a Dämmplattensystems invention 33.
  • the first insulation board 1 has a primary spring end face 3 on which the first spring 4 is formed.
  • the primary spring end 3 extends at right angles between the plate top 7 and a plate underside 18.
  • the second insulation board 2 has a primary groove end face 5 on which a first groove 6 is formed.
  • the top surface 7 of the first insulating panel 1 has in the region of the primary spring end face 3 a bevel 8, in which the top surface 7 is beveled to the first spring top 9 back. In the illustrated embodiment, the slope 8 goes flush in the first spring top 9.
  • a rectilinear region 10 is formed, which extends from the first spring end 11 over the entire spring top 9.
  • the primary spring end face 3 defines perpendicular thereto a first direction A.
  • the bevel 8 assumes a bevel angle ⁇ to the first direction A.
  • the rectilinear region 10 of the first spring 4 defines a spring angle ⁇ to the first direction A. According to the invention, the spring angle ⁇ is greater than the oblique angle ⁇ .
  • the first groove 6 of the second insulation board 2 is formed corresponding to the first spring 4, so that first groove 6 and first spring 4 as in FIG. 2 shown positively connected with each other.
  • a spring base 12 is divided into two regions, wherein a first region 13 is perpendicular to the primary spring end face 3, and a second region 14 extends in the direction of the first spring top 9, so that formed on the first spring end 11, a trapezoidal portion is.
  • the thickness F of the first spring end 11 is 25% of the thickness G of the first spring 4 on the primary spring end face 3.
  • the slope 8 of the top plate 7 ends the slope 8 of the top plate 7 at the primary groove end face 5. It is good to see that when using the insulation board system 33 according to the invention as undercoverage of a roof, the slope 8 on the top 7 can dissipate existing water.
  • the end face 15 of the first spring end 11 is cut approximately centrally from the primary plane B, which occupies a distance of 25 mm to the top surface 7.
  • the point of application of the notch effect of the first spring 4 is displaced in the direction of the center plane B, and the upper groove cheek 20 is formed particularly stable. This is the in FIG. 2 illustrated primary tongue and groove joint 19 particularly resistant to stress.
  • the insulation boards 1,2 of the illustrated embodiment have a constant Roh Whyver republic, a thickness of 50 mm and consist of wood fibers.
  • the primary level B therefore corresponds to the median plane of the insulation board 1,2
  • the oblique angle ⁇ is about 13 °, the spring angle ⁇ is about 30 °.
  • FIG. 3 illustrated embodiment corresponds essentially to the in the Figures 1 and 2 illustrated embodiment, however, the second portion 14 of the spring underside is formed so that the first spring end 11 a tip 16, and the first spring end 11 has a substantially triangular portion 17.
  • both the upper groove cheek 20 and the lower groove cheek 21 are designed to be particularly stable and thus the inventive Dämmplattensystem 33 particularly resistant to stress, for example against burdens by craftsmen who run on the insulation board system used according to the invention as a shortage.
  • This embodiment is particularly advantageous if the first and second insulation boards 1.2 are formed thin.
  • the tip 16 of the first spring end 11 is above the first center plane B.
  • the oblique angle ⁇ is about 10 °, the spring angle ⁇ about 30 °.
  • FIGS. 4 and 5 illustrated embodiment of the primary tongue and groove connection 19 of a Dämmplattensystems 33 according to the invention substantially corresponds to the Figures 1 and 2 illustrated embodiment.
  • the slope 8 on the top plate 7 of the first insulating panel 1 is not flush in the first spring top 9 over. Instead, the slope 8 hits as in FIG. 5 represented on the primary groove end face 5 of the second insulation board 2.
  • the first spring top 9 and the first spring bottom 14 are rectilinear and together form a trapezoidal end portion with an end face 15.
  • the thickness F of the first spring end 11 corresponds to 14% of the thickness G of the first spring 4 on the primary spring end face 3.
  • the oblique angle ⁇ is about 15 °, the spring angle ⁇ in about 24 °.
  • FIGS. 6 and 7 illustrated embodiment corresponds essentially to the in the FIGS. 4 and 5 illustrated embodiment.
  • an overlap 22 is additionally provided on the primary groove end face 5, which, as in FIG. 7 represented the edge between bevel 8 and primary spring end face 3 overlaps and thus rests in the region of the slope 8 on the upper side 7 of the plate.
  • FIGS. 8 and 9 illustrated embodiment corresponds essentially to the in the FIGS. 6 and 7 illustrated embodiment.
  • the slope 8 of the top plate 7 is flush with the first spring top 9 over.
  • the first spring top side 9 and the first spring bottom side 12 each have a transition region 23 extending substantially perpendicular to the primary spring end face 3. This is followed at the top of the spring 9 of the rectilinear region 10, which forms a triangular first spring end 11, 17 together with the spring underside 12.
  • the tip 16 of the first spring end 11 lies in the primary plane B.
  • the oblique angle is approximately 13 °, the spring angle approximately 45 °.
  • the length of the rectilinear region 10 in a projection in the first direction A is over 40% of the length of the first spring 4.
  • the FIG. 10 shows a first embodiment of a secondary tongue and groove connection according to the invention.
  • the first insulation board 1 has a secondary groove end face 24, on which the second groove 25 is formed.
  • the second insulation board 2 has a secondary spring end face 26, on which the second spring 27 is formed.
  • the second spring top side 30 has a rectilinear section 34 extending perpendicular to the secondary spring end face 26.
  • the second spring 27 also has a substantially trapezoidal end portion, wherein the thickness H of the first spring end 29 is about 6% of the thickness I of the second spring 27 on the secondary spring end face 26.
  • the second groove 25 is formed so that the second groove 25 and second spring 27 can be positively connected to each other.
  • the end face 28 of the second spring end 29 is cut approximately in the middle of the secondary plane C, which has a distance of 25mm to the top surface 7 of the second insulation board 2.
  • Water, which penetrates in the joint area of the secondary tongue and groove joint 32, is on the slope 8 of another insulation board 1, 2, whose first spring is positively connected to the first groove, passed, so that the water to the top plate 7 are discharged can.
  • the second spring 27 has a tip, with the tip lying in the secondary plane C.
  • FIGS. 12 and 13 illustrated embodiment corresponds to the essence of the in the FIG. 11 illustrated embodiment.
  • a Wasser arrangementsnut 31 is formed, which has a rectangular shape. Water, which in the in FIG. 13 shown secondary groove-spring connection 32 penetrates, is collected in the Wasser arrangementsnut 31. If the Wasser arrangementsnut at the edge of the insulation board 1, 2 at the transition region 23 of the first spring top 9 a, with the primary groove end face positively connected first spring another insulating plate 1, 2 is applied, water, which in the in FIG. 13 shown secondary groove-spring connection 32 penetrates, collected in the Wasserrysnut 31 and directed to the slope 8 of the respective primary tongue and groove system, so that the water can be discharged to the top of the plate.
  • the water guide groove is preferably oriented along the longitudinal direction of the roof, and thus has an inclination due to the sloping roof.
  • the collected in the Wasser Resultssnut 31 water is effectively dissipated due to the sloping roof.
  • first insulation boards 1 and second insulation boards 2 are formed similar.
  • the insulation boards 1 are rectangular and have a primary spring end face 3, an opposite primary groove end face 5, a secondary spring end face 26 and a secondary groove end face 24 lying opposite thereto.
  • the end faces are formed so that the insulation panels 1, 2 can be positively connected to each other along a first direction via the primary tongue and groove connection, and can be positively connected to each other along a second direction via the secondary tongue and groove connection.
  • the primary tongue and groove connection 19 corresponds to the embodiment of FIGS. 8 and 9
  • the secondary tongue and groove connection 32 corresponds to the embodiment of FIGS. 12 and 13
  • the primary plane and the secondary plane C coincide in the illustrated embodiment and therefore also correspond to the first and the second center plane.
  • other embodiments are conceivable.
  • the insulating panels 1 of the illustrated embodiment have a thickness of 50 mm, a constant Roh Whyver whatsoever and are made of wood fibers.
  • a primary groove end face 5 abuts an edge of the insulation board 1, 2 on a secondary spring end face 26.
  • the second spring 27 and the Wasser arrangementsnut 31 are formed so that the Wasser arrangementsnut at the edge of the insulation board 1, 2 at the transition region 23 of the first spring top 9 a, with the primary groove end face positively connected to the first spring another insulation board 1, 2 rests.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Acoustics & Sound (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Description

Die vorliegende Erfindung betrifft ein Dämmplattensystem nach dem Oberbegriff des Anspruchs 1. Ein gattungsgemäßes Dämmplattensystem umfasst eine erste Dämmplatte, eine zweite Dämmplatte und eine primären Nut-Feder-Verbindung, wobei die primäre Nut-Feder-Verbindung eine erste Nut und eine erste Feder aufweist, die erste Nut und die erste Feder derart ausgebildet sind, dass sie formschlüssig miteinander verbindbar sind, die erste Dämmplatte zumindest eine primäre Feder-Stirnfläche aufweist, an der die erste Feder ausgebildet ist, und die zweite Dämmplatte zumindest eine primäre Nut-Stirnseite aufweist, an der die erste Nut ausgebildet ist, derart, dass die erste Dämmplatte über die primäre Nut-Feder-Verbindung mit der zweiten Dämmplatte formschlüssig verbindbar ist, wobei die erste Dämmplatte eine Plattenoberseite und eine Plattenunterseite aufweist, sich die primäre Feder-Stirnfläche zwischen der Plattenoberseite und der Plattenunterseite erstreckt, die erste Feder eine der Plattenoberseite zugewandte erste Federoberseite aufweist, und an der Plattenoberseite im Bereich der primären Feder-Stirnfläche eine Schräge ausgebildet ist, in der die Plattenoberseite zur Federoberseite hin abgeschrägt ist, wobei die Schräge in Bezug auf eine erste Richtung senkrecht zur primären FederStirnfläche einen Schrägenwinkel definiert, und an der Federoberseite zumindest abschnittsweise ein geradliniger Bereich ausgebildet ist, der in Bezug auf die erste Richtung einen Federwinkel definiert.The present invention relates to an insulation board system according to the preamble of claim 1. A generic insulation board system comprises a first insulation board, a second insulation board and a primary tongue and groove joint, the primary tongue and groove joint having a first groove and a first spring, the first groove and the first spring are formed such that they are positively connected to one another, the first insulating plate has at least one primary spring end surface, on which the first spring is formed, and the second insulating plate has at least one primary groove end face on the first groove is formed such that the first insulation board is positively connected via the primary tongue and groove connection with the second insulation board, wherein the first insulation board has a plate top and a plate underside, the primary spring face between the plate top and the plate base extends, the first Fede r has a first upper side facing the top of the plate, and a bevel is formed on the plate top in the region of the primary spring end face in which the plate top is chamfered to the spring top, wherein the bevel with respect to a first direction perpendicular to the primary spring face a bevel angle defined, and at least partially a rectilinear region is formed on the upper side of the spring, which defines a spring angle with respect to the first direction.

Es ist bekannt, solche Dämmplattensysteme zur Verkleidung von Wänden, Decken, Böden oder Dächern zu verwenden. Insbesondere bei der Unterdeckung eines Dachs mit einem Dämmplattensystem ist es wichtig, dass das Dämmplattensystem regensicher ist. Dies bedeutet, dass die Unterdeckung als Behelfsdach frei bewitterbar ist, sodass auch bei verzögerter Anbringung der Dacheindeckung in dieser Zeit das Dachinnere geschützt ist. Es ist bereits aus dem Stand der Technik bekannt, solche Dämmplattensysteme mit Nut-Feder-Verbindungen auszustatten, um das Zusammenfügen der Dämmplatten auf dem Dach zu beschleunigen, zu vereinfachen und gleichzeitig eine hohe Maßgenauigkeit zu erhalten. Desweiteren ist es aus dem Stand der Technik bekannt, in der durch First und Traufe definierten Längsrichtung die firstseitigen Kanten der Dämmplatten mit einer Schräge zu versehen, damit Regenwasser leichter ablaufen kann, und insbesondere nicht in die Verbindungsstellen eintritt.It is known to use such Dämmplattensysteme for cladding walls, ceilings, floors or roofs. In particular, in the underfunding of a roof with a Dämmplattensystem it is important that the insulation board system is rainproof. This means that the shortage as makeshift roof is freely weatherable, so that even with delayed attachment of the roofing in this time the roof inside is protected. It is already known from the prior art to equip such Dämmplattensysteme with tongue and groove joints to accelerate the assembly of the insulation boards on the roof, to simplify and at the same time to obtain a high dimensional accuracy. Furthermore, it is known from the prior art to provide in the longitudinal direction defined by ridges and eaves the ridge-side edges of the insulation boards with a slope so that rainwater can drain more easily, and in particular does not enter the joints.

Aus der DE 198 59 038 C2 ist ein gattungsgemäßes Dämmplattensystem mit den Merkmalen des Oberbegriffes des Anspruchs 1 bekannt, bei dem die Feder von der Plattenoberseite bis zu ihrem vorderen Ende mit unverändertem Winkel abgeschrägt verläuft und die Nut im Querschnitt im Wesentlichen dreieckförmig ausgebildet ist, und ein abgeflachtes Ende aufweist. Nachteilig bei dem aus dem Stand der Technik bekannten Dämmplattensystem ist jedoch, dass durch die im Wesentlichen dreieckförmige Ausbildung der Feder ausgehend von der Plattenoberseite die obere Nutwange relativ dünn ist. Auch bei dickeren Dämmplatten muss die Nut-Feder-Verbindung an der Plattenoberseite ausgeführt sein, da sonst die von der Plattenoberseite ausgehende Feder sehr lang ausgebildet werden muss, wodurch sie leicht beschädigt werden kann.From the DE 198 59 038 C2 a generic Dämmplattensystem with the features of the preamble of claim 1 is known, in which the spring from the top plate to its front end beveled with an unchanged angle and the groove is formed in cross-section substantially triangular, and having a flattened end. A disadvantage of the known from the prior art Dämmplattensystem, however, is that the upper groove cheek is relatively thin due to the substantially triangular formation of the spring, starting from the top of the plate. Even with thicker insulation boards, the tongue and groove connection must be made on the top of the plate, otherwise the outgoing from the top plate spring must be made very long, which makes it easily damaged.

Die dünne obere Nutwange führt dazu, dass die Platte bei Belastungen beispielsweise durch sich auf dem Dach bewegende Handwerker leicht beschädigt wird, was zur Zerstörung der Nut oder zur Beeinträchtigung der Dämmwirkung bzw. der Regensicherheit führen kann. Beschädigte Dämmplatten müssen zeit- und kostenintensiv ausgetauscht werden.The thin upper groove cheek causes the plate is easily damaged during stress, for example, by moving on the roof craftsmen, which can lead to the destruction of the groove or affect the insulation effect or rainfall. Damaged insulation boards must be replaced in a time-consuming and cost-intensive manner.

Es ist daher die Aufgabe der vorliegenden Erfindung, ein Dämmplattensystem bereitzustellen, bei dem die Nut-Feder-Verbindung widerstandfähig gegenüber Belastungen ist. Die Aufgabe wird gelöst durch die Merkmale des Anspruchs 1. Demnach liegt bei einem Dämmplattensystem der eingangsgenannten Art dann eine erfindungsgemäße Lösung der Aufgabe vor, wenn der Federwinkel größer ist als der Schrägenwinkel.It is therefore the object of the present invention to provide a Dämmplattensystem in which the tongue and groove connection is resistant to stress. The object is achieved by the features of claim 1. Accordingly, in a Dämmplattensystem of the type mentioned above, a solution according to the invention the task before, if the spring angle is greater than the angle of inclination.

Die Erfindung bietet den Vorteil, dass durch den geradlinigen Bereich mit Federwinkel die Dicke der oberen Nutwange schneller zunimmt und der Punkt der Kerbwirkung des ersten Federendes von der Plattenoberseite weg verschoben wird. Dadurch kann das erfindungsgemäße Dämmplattensystem höhere Belastungen aushalten, ohne dass die Dämmplatte beschädigt oder die Dämmwirkung bzw. die Regensicherheit negativ beeinträchtigt werden.The invention offers the advantage that the thickness of the upper groove cheek increases faster and the point of the notch effect of the first spring end is moved away from the top of the plate by the straight area with spring angle. As a result, the insulation board system according to the invention can withstand higher loads without damaging the insulation board or adversely affecting the insulating effect or the rainproofing.

Der geradlinige Bereich der vorliegenden Erfindung ist insbesondere nicht nur ein kurzer Übergangsbereich, sondern die Länge des geradlinigen Bereichs beträgt in einer Projektion auf die erste Richtung mindestens 30%, vorzugsweise mindestens 40% der Länge der ersten Feder.In particular, the rectilinear region of the present invention is not only a short transition region, but the length of the rectilinear region in a projection in the first direction is at least 30%, preferably at least 40% of the length of the first spring.

Bei den Dämmplatten der vorliegenden Erfindung handelt es sich vorzugsweise um rechteckförmige Platten mit konstanter Dicke. Solche Dämmplatten lassen sich besonders einfach herstellen und verlegen.The insulating panels of the present invention are preferably rectangular panels of constant thickness. Such insulation boards are particularly easy to manufacture and install.

In einer weiteren Ausgestaltung der vorliegenden Erfindung haben die erste Dämmplatte und die zweite Dämmplatte jeweils eine Dicke von 50-160 mm, vorzugsweise von 50-100 mm.In a further embodiment of the present invention, the first insulating board and the second insulating board each have a thickness of 50-160 mm, preferably 50-100 mm.

In einer weiteren Ausgestaltung bestehen die Dämmplatten aus Holzfasern. Solche Dämmplatten lassen sind einfach und kostengünstig herstellen und haben eine gute Dämmwirkung. Besonders bevorzugt handelt es sich um Holzfaserdämmplatten mit einem im Wesentlichen konstanten Rohdichteprofil. Solche Dämmplatten sind besonders stabil und widerstandsfähig gegenüber Belastungen. Vorzugsweise weisen die Dämmplatten eine Rohdichte von 100 kg/m3 bis 200 kg/m3 auf.In a further embodiment, the insulation boards consist of wood fibers. Such insulation boards are easy and inexpensive to produce and have a good insulation effect. Particularly preferred are wood fiber insulation boards with a substantially constant density profile. Such insulation boards are particularly stable and resistant to stress. Preferably, the insulation boards have a density of 100 kg / m 3 to 200 kg / m 3 .

In einer weiteren Ausgestaltung ist das erfindungsgemäße Dämmplattensystem als Dämmplattensystem zur Unterdeckung eines Dachs ausgebildet. Dabei wirkt sich die erfindungsgemäß hohe Belastbarkeit und Regensicherheit besonders positiv aus. Es ist jedoch alternativ auch möglich, das erfindungsgemäße Dämmplattensystem für andere Anwendungen einzusetzen.In a further embodiment, the insulation board system according to the invention is designed as a Dämmplattensystem to cover a roof. The inventively high resilience and rainfall has a particularly positive effect. However, it is alternatively also possible to use the Dämmplattensystem invention for other applications.

Bei Verwendung des Dämmplattensystems als Unterdeckung eines Dachs wird die erste Dämmplatte vorzugsweise so ausgerichtet, dass die primäre Feder-Stirnseite entlang der Querrichtung des Dachs ausgerichtet ist und die Schräge an der Plattenoberseite in Richtung des Dachfirsts zeigt. Die Querrichtung des Dachs ist unabhängig vom Verlauf von First und Traufe als die Richtung entlang der Horizontalen definiert. Dies gilt also auch bei abfallend ausgebildetem First und/oder Traufe. Die primäre Nut-Feder-Verbindung stellt die Längsverbindung dar, wobei die Längsrichtung des Dachs unabhängig vom Verlauf von First und Traufe senkrecht zur Querrichtung definiert ist und zwischen First und Traufe verläuft. Die Dämmplatten des erfindungsgemäßen Dämmplattensystems können in Querrichtung über eine weitere Nut-Feder-Verbindung oder aber auch auf beliebige andere Art und Weise miteinander verbunden sein.When using the Dämmplattensystems as undercoverage of a roof, the first insulating plate is preferably aligned so that the primary spring end face along the transverse direction of the roof is aligned and the slope on the top plate in the direction of the roof ridge shows. The transverse direction of the roof is defined independently of the course of ridge and eaves as the direction along the horizontal. This also applies to sloping trained ridge and / or eaves. The primary tongue and groove connection represents the longitudinal connection, wherein the longitudinal direction of the roof is defined independently of the course of ridge and eaves perpendicular to the transverse direction and extends between ridge and eaves. The insulation boards of the insulation board system according to the invention can be connected to each other in the transverse direction via another tongue and groove connection or in any other way.

In einer weiteren Ausgestaltung der vorliegenden Erfindung beträgt der Schrägenwinkel zwischen 10° und 20°. In diesem Bereich wird bei der Verwendung des Dämmplattensystems als Unterdeckung eines Dachs bei gängigen Dachschrägen Wasser über die Schräge an der Plattenoberseite effektiv abgeleitet. Dadurch ergibt sich eine besonders hohe Regensicherheit.In a further embodiment of the present invention, the bevel angle between 10 ° and 20 °. In this area, when using the Dämmplattensystems as undercoverage of a roof in common sloping roof water over the slope effectively dissipated at the top of the plate. This results in a particularly high rainfall.

In einer weiteren Ausgestaltung teilt die erste Feder die primäre Feder-Stirnseite in einen oberen Teilabschnitt oberhalb der ersten Feder und einen unteren Teilabschnitt unterhalb der ersten Feder. Es ist alternativ jedoch auch möglich, dass die Plattenoberseite und/oder die Plattenunterseite bündig in die erste Feder übergeht.In a further embodiment, the first spring divides the primary spring end face into an upper section above the first spring and a lower section below the first spring. Alternatively, however, it is also possible that the upper side of the plate and / or the underside of the plate merges flush with the first spring.

In einer weiteren Ausgestaltung ist die primäre Nut-Feder-Verbindung zwischen der ersten Dämmplatte und der zweiten Dämmplatte derart ausgebildet, dass die primäre Feder-Stirnseite der ersten Dämmplatte zumindest teilweise bündig an der primären Nut-Stirnseite der zweiten Dämmplatte anliegt. Dadurch wird das Dämmplattensystem besonders regensicher und weist eine besonders gute Dämmwirkung auf.In a further embodiment, the primary tongue and groove connection between the first insulating board and the second insulating board is designed such that the primary spring end face of the first insulating board rests at least partially flush with the primary groove end side of the second insulating board. As a result, the insulation board system is particularly rainproof and has a particularly good insulation effect.

Ferner stellt die vorliegende Erfindung ein Dach mit einem First, zumindest einer Traufe, einer Dacheindeckung, einer Dachunterkonstruktion und einem erfindungsgemäßen Dämmplattensystem als Unterdeckung zur Verfügung, wobei der First und die Traufe eine Dachfläche begrenzen. Die Querrichtung der Dachfläche wird unabhängig vom Verlauf von First und Traufe als die Richtung entlang der Horizontalen definiert, die Längsrichtung der Dachfläche ist als Senkrechte zur Querrichtung definiert. Das Dämmplattensystem ist in einer Richtung senkrecht auf die Dachfläche zwischen der Dacheindeckung und der Dachunterkonstruktion angeordnet, und die erste Dämmplatte ist so angeordnet, dass die Plattenoberseite der ersten Dämmplatte der Dacheindeckung zugewandt, die primäre Feder-Stirnseite entlang der Querrichtung ausgerichtet ist und die erste Feder im Wesentlichen entlang der Längsrichtung in Richtung des Firsts zeigt.Furthermore, the present invention provides a roof with a ridge, at least one eaves, a roof covering, a roof substructure and an insulation board system according to the invention as undercoverage, wherein the ridge and the eaves define a roof surface. The transverse direction of the roof surface is defined as the direction along the horizontal, regardless of the course of ridge and eaves, the longitudinal direction of the roof surface is defined as perpendicular to the transverse direction. The insulation board system is disposed in a direction perpendicular to the roof surface between the roofing and the roof substructure, and the first insulation board is arranged with the board top facing the first insulation board facing the roofing, the primary spring face aligned along the transverse direction, and the first spring essentially along the longitudinal direction in the direction of the ridge.

Dadurch befindet sich die Schräge auf der Traufe-Seite der primären Nut-Feder-Verbindung und bewirkt ein effektives Ableiten von Wasser. Das Eindringen von Wasser in die primäre Nut-Feder-Verbindung wird verhindert. Vorzugsweise handelt es sich bei der Dacheindeckung um Dachpfannen. Es sind jedoch auch beliebige andere Arten von Dacheindeckungen möglich. Bei der Unterkonstruktion handelt es sich vorzugsweise um Dachsparren. Die Unterkonstruktion kann jedoch auch andere Elemente wie beispielsweise eine weitere Dämmschicht, eine Verkleidung oder eine Folie umfassen.As a result, the slope is located on the eaves side of the primary Tongue-and-groove connection and causes an effective drainage of water. The penetration of water into the primary tongue and groove connection is prevented. Preferably, the roofing is roof tiles. However, any other types of roofing are possible. The substructure is preferably rafters. However, the substructure may also comprise other elements, such as a further insulating layer, a lining or a foil.

Das Dach kann des Weiteren zumindest ein Befestigungselement umfassen, mit dem das Dämmplattensystem zumindest teilweise an der Dachunterkonstruktion befestigt ist. Insbesondere handelt es sich um Befestigungselemente in Form einer Belattung, die zwischen dem Dämmplattensystem und der Dacheindeckung angeordnet ist. Die Belattung verläuft vorzugsweise entlang der Querrichtung der Dachfläche und ist vorzugsweise mit Verbindungselementen, beispielsweise Nägeln, an der Dachunterkonstruktion befestigt, wobei die Verbindungselemente das Dämmplattensystem durchdringen, wodurch das Dämmplattensystem fest mit der Dachunterkonstruktion verbunden ist. Besonders bevorzugt ist die Dacheindeckung zumindest teilweise fest mit dem zumindest einen Befestigungselement verbunden.The roof may further include at least one fastener with which the insulation board system is at least partially attached to the roof substructure. Especially they are fasteners in the form of a batten, which is located between the insulation board system and the roofing. The battening preferably runs along the transverse direction of the roof surface and is preferably fastened to the roof substructure with connecting elements, for example nails, wherein the connecting elements penetrate the insulation board system, whereby the insulation board system is firmly connected to the roof substructure. Particularly preferably, the roof covering is at least partially firmly connected to the at least one fastening element.

Weitere vorteilhafte Ausgestaltungen der vorliegenden Erfindung sind Gegenstand der Unteransprüche.Further advantageous embodiments of the present invention are the subject of the dependent claims.

In einer bevorzugten Ausführungsform umfasst der geradlinige Bereich das erste Federende. Die erste Feder wird also erst an ihrem Ende mittels des geradlinigen Bereichs der ersten Federoberseite verjüngt, sodass die erste Feder ausreichend stabil ist.In a preferred embodiment, the rectilinear region comprises the first spring end. The first spring is therefore only tapered at its end by means of the rectilinear region of the first spring top, so that the first spring is sufficiently stable.

In einer weiteren bevorzugten Ausführungsform beträgt der Federwinkel zwischen 30° und 50°. Innerhalb dieses Bereichs sind die erste Nut und die erste Feder besonders stabil und es ergibt sich ein stabiler Formschluss für die primäre Nut-Feder-Verbindung.In a further preferred embodiment, the spring angle is between 30 ° and 50 °. Within this range, the first groove and the first spring are particularly stable and there is a stable positive connection for the primary tongue and groove joint.

In einer weiteren bevorzugten Ausführungsform entspricht die Dicke des ersten Federendes höchstens 30%, insbesondere höchstens 20% der Dicke der ersten Feder an der primären Feder-Stirnseite. Dies ermöglicht eine besonders stabile Ausführung der korrespondierenden ersten Nut.In a further preferred embodiment, the thickness of the first spring end corresponds to at most 30%, in particular at most 20% of the thickness of the first spring on the primary spring end face. This allows a particularly stable design of the corresponding first groove.

In einer besonders bevorzugten Ausführungsform entspricht die Dicke des ersten Federendes höchstens 15% der Dicke der ersten Feder an der primären Feder-Stirnseite.In a particularly preferred embodiment, the thickness of the first spring end corresponds to at most 15% of the thickness of the first spring on the primary spring end face.

In einer weiteren besonders bevorzugten Ausführungsform weist das erste Federende eine Spitze auf. Dadurch lässt sich die Stabilität der ersten Nut weiter erhöhen.In a further particularly preferred embodiment, the first spring end has a tip. As a result, the stability of the first groove can be further increased.

In einer weiteren bevorzugten Ausführungsform weist auch die der Plattenunterseite zugewandte erste Federunterseite der ersten Feder einen geradlinigen Bereich und das erste Federende im Wesentlichen dreieckig ausgebildet ist. Bei dünnen Dämmplatten kann auch die untere Nutwange relativ dünn ausgebildet sein. Bei dieser Ausführungsform wird auch die untere Nutwange breiter, sodass diese widerstandsfähiger gegenüber Belastungen wird. Außerdem ist der Belastungspunkt der Kerbwirkung der Feder in der Nut weiter von der Plattenoberseite und Plattenunterseite entfernt, sodass die primäre Nut-Feder-Verbindung besonders stabil wird.In a further preferred embodiment, the first underside of the spring, which faces the underside of the plate, also has a rectilinear area and the first spring end has a substantially triangular shape. In thin insulation boards and the lower groove cheek can be made relatively thin. In this embodiment, the lower groove cheek is wider, so that they are more resistant to Loads. In addition, the load point of the notch effect of the spring in the groove is farther from the top and bottom of the plate, so that the primary tongue and groove connection becomes particularly stable.

In einer weiteren bevorzugten Ausführungsform geht die Schräge bündig in die erste Federoberseite über. Dadurch lässt sich Wasser besonders gut von der ersten Federoberseite auf die Schräge und damit aus der primären Nut-Feder-Verbindung heraus ableiten.In a further preferred embodiment, the slope is flush over into the first spring top. As a result, water can be derived particularly well from the first spring top on the slope and thus out of the primary tongue and groove connection out.

In einer weiteren bevorzugten Ausführungsform definiert das erste Federende eine Primär-Ebene, die parallel zur Plattenoberseite verläuft, wobei die Primär-Ebene einen Abstand zwischen 20 mm und 30 mm zur Plattenoberseite aufweist. In diesem Bereich ist die obere Nutwange der ersten Nut besonders stabil und widerstandsfähig gegenüber Belastungen und gleichzeitig kann eine effektive Wasserableitung gewährleistet werden. Weist das erste Federende eine Stirnfläche auf, so wird diese bei dieser Ausführungsform von der Primär-Ebene geschnitten. Weist das erste Federende eine Spitze auf, so liegt dieses bei dieser Ausführungsform in der Primär-Ebene.In a further preferred embodiment, the first spring end defines a primary plane parallel to the top of the plate, the primary plane having a distance of between 20mm and 30mm from the top of the plate. In this area, the upper groove cheek of the first groove is particularly stable and resistant to stress and at the same time an effective water drainage can be ensured. If the first spring end has an end face, this is cut from the primary plane in this embodiment. If the first end of the spring has a tip, this is in the primary plane in this embodiment.

In einer weiteren bevorzugten Ausführungsform definiert die erste Dämmplatte zwischen der Plattenoberseite und der Plattenunterseite eine erste Mittelebene, und die Mittelebene schneidet das erste Federende. Dadurch ergibt sich eine größtmögliche Stabilität der oberen Nutwange ohne die Stabilität der unteren Nutwange negativ zu beeinflussen. Weist das erste Federende eine Stirnfläche auf, so wird diese bei dieser Ausführungsform von der Mittelebene geschnitten. Weist das erste Federende eine Spitze auf, so liegt dieses bei dieser Ausführungsform in der Mittelebene.In a further preferred embodiment, the first insulating panel defines a first median plane between the top of the plate and the bottom of the panel, and the median plane intersects the first end of the spring. This results in the greatest possible stability of the upper groove cheek without negatively influencing the stability of the lower groove cheek. If the first spring end has an end face, then in this embodiment it is cut from the center plane. If the first end of the spring has a tip, this is located in the middle plane in this embodiment.

In einer weiteren bevorzugten Ausführungsform weist die erste Dämmplatte eine der primären Feder-Stirnfläche gegenüberliegende primäre Nut-Stirnfläche mit einer ersten Nut auf, wobei die erste Nut und die erste Feder derart ausgebildet sind, dass die erste Dämmplatte über die primäre Nut-Feder-Verbindung mit einer weiteren gleichartigen ersten Dämmplatte formschlüssig verbindbar ist.In a further preferred embodiment, the first insulation board has a primary groove end surface opposite the primary spring end face with a first groove, wherein the first groove and the first spring are formed such that the first insulation board via the primary tongue and groove connection is positively connected with another similar first insulation board.

In einer weiteren bevorzugten Ausführungsform weist das Dämmplattensystem eine sekundäre Nut-Feder-Verbindung mit einer zweiten Nut und einer zweiten Feder auf, wobei die zweite Nut und die zweite Feder derart ausgebildet sind, dass sie formschlüssig miteinander verbindbar sind und die Dicke des zweiten Federendes höchstens 30 % der Dicke der zweiten Feder an der sekundären Feder-Stirnseite entspricht. Ferner weist zumindest eine der ersten Dämmplatte oder zweiten Dämmplatte zumindest eine sekundäre Feder-Stirnfläche auf, an der die zweite Feder ausgebildet ist, und zumindest eine der ersten Dämmplatte oder der zweiten Dämmplatte weist zumindest eine sekundäre Nut-Fläche auf, an der die zweite Nut ausgebildet ist, derart, dass die erste Dämmplatte über die sekundäre Nut-Feder-Verbindung mit der zweiten Dämmplatte formschlüssig verbindbar ist. Bei dieser Ausführungsform lassen sich die Dämmplatten des erfindungsgemäßen Dämmplattensystems auch in einer zweiten Richtung auf besonders einfache Weise verbinden. Durch die dreieckige Ausgestaltung des zweiten Federendes, ist auch die zweite Nut besonders stabil. Dadurch wird auch die sekundäre Nut-Feder-Verbindung besonders stabil und belastbar.In a further preferred embodiment, the insulation board system has a secondary tongue and groove connection with a second groove and a second spring, wherein the second groove and the second spring are formed such that they can be positively connected to each other and the thickness of the second spring end at most 30% of the thickness of the second spring on the secondary spring face corresponds. Furthermore, at least one of the first insulation board or second insulation board having at least one secondary spring end surface on which the second spring is formed, and at least one of the first insulation board or the second insulation board has at least one secondary groove surface on which the second groove is formed, in such a way that the first insulation board can be positively connected to the second insulation board via the secondary tongue and groove connection. In this embodiment, the insulation boards of the insulation board system according to the invention can also connect in a second direction in a particularly simple manner. Due to the triangular configuration of the second spring end, the second groove is particularly stable. As a result, the secondary tongue and groove connection is particularly stable and resilient.

In einer besonders bevorzugten Ausführungsform teilt die zweite Feder die sekundäre Feder-Stirnseite in einen oberen Teilabschnitt oberhalb der zweiten Feder und einen unteren Teilabschnitt unterhalb der zweiten Feder. Es ist alternativ jedoch auch möglich, dass die Plattenoberseite und/oder die Plattenunterseite bündig in die zweite Feder übergeht.In a particularly preferred embodiment, the second spring divides the secondary spring end face into an upper section above the second spring and a lower section below the second spring. Alternatively, however, it is also possible that the upper side of the plate and / or the underside of the plate merges flush with the second spring.

In einer weiteren besonders bevorzugten Ausführungsform weist das zweite Federende eine Spitze auf. Dadurch lässt sich die Stabilität der zweiten Nut weiter erhöhenIn a further particularly preferred embodiment, the second spring end has a tip. As a result, the stability of the second groove can be further increased

In einer weiteren besonders bevorzugten Ausführungsform definiert das zweite Federende eine Sekundär-Ebene, die parallel zur Plattenoberseite verläuft, wobei die Sekundär-Ebene einen Abstand zwischen 20 mm und 30 mm zur Plattenoberseite aufweist. In diesem Bereich ist die obere Nutwange der zweiten Nut besonders stabil und widerstandsfähig gegenüber Belastungen und gleichzeitig kann eine effektive Wasserableitung gewährleistet werden. Weist das zweite Federende eine Stirnfläche auf, so wird diese bei dieser Ausführungsform von der Sekundär-Ebene geschnitten. Weist das zweite Federende eine Spitze auf, so liegt dieses bei dieser Ausführungsform in der Sekundär-Ebene. Die Sekundär-Ebene kann mit der Primär-Ebene übereinstimmen.In a further particularly preferred embodiment, the second spring end defines a secondary plane parallel to the top of the plate, the secondary plane having a distance of between 20mm and 30mm from the top of the plate. In this area, the upper groove cheek of the second groove is particularly stable and resistant to stress and at the same time an effective water drainage can be ensured. If the second spring end has an end face, this is cut from the secondary plane in this embodiment. If the second spring end has a tip, this is in the secondary plane in this embodiment. The secondary level can be the same as the primary level.

In einer weiteren besonders bevorzugten Ausführungsform definiert diejenige Dämmplatte mit einer sekundären Feder-Stirnseite zwischen ihrer Plattenoberseite und ihrer Plattenunterseite eine zweite Mittelebene, wobei die zweite Feder derart ausgebildet ist, dass die zweite Mittelebene das zweite Federende schneidet. Bei dieser Ausführungsform sind die Nutwangen der zweiten Nut besonders stabil und widerstandsfähig gegenüber Belastungen. Die zweite Mittelebene kann mit der ersten Mittelebene übereinstimmen.In a further particularly preferred embodiment, that insulating board defines a second center plane with a secondary spring end face between its top side and its underside of the plate, wherein the second spring is designed such that the second center plane intersects the second spring end. In this embodiment, the groove cheeks of the second groove are particularly stable and resistant to stress. The second median plane may coincide with the first median plane.

In einer weiteren bevorzugten Ausführungsform weist die zweite Dämmplatte zumindest eine sekundäre Feder-Stirnfläche und eine gegenüberliegende sekundäre Nut-Stirnfläche auf, sodass die zweite Dämmplatte über die sekundäre Nut-Feder-Verbindung mit einer weiteren, gleichartigen zweiten Dämmplatte formschlüssig verbindbar ist.In a further preferred embodiment, the second insulation board has at least one secondary spring end surface and an opposite secondary groove end surface, so that the second insulation board is positively connected via the secondary tongue and groove connection with another, similar second insulation board.

In einer weiteren bevorzugten Ausführungsform weist die erste Dämmplatte eine primäre Feder-Stirnseite, eine zur primären Feder-Stirnseite gegenüberliegende primäre Nut-Stirnseite, eine sekundäre Feder-Stirnseite und eine zur sekundären Feder-Stirnseite gegenüberliegende sekundäre Nut-Stirnseite auf, derart, dass die erste Dämmplatte über zumindest eine der primären Nut-Feder-Verbindung oder sekundären Nut-Feder-Verbindung mit einer weiteren, gleichartigen ersten Dämmplatte formschlüssig verbindbar ist. Bei dieser Ausführungsform lässt sich das erfindungsgemäße Dämmplattensystem besonders einfach aufbauen und kostengünstig realisieren.In a further preferred embodiment, the first insulating board has a primary spring end face, a primary groove end face opposite to the primary spring end face, a secondary spring end face and a secondary groove end face lying opposite the secondary spring end face, such that the first insulating plate via at least one of the primary tongue and groove connection or secondary tongue and groove connection with a further, similar first insulating plate is positively connected. In this embodiment, the Dämmplattensystem invention can be particularly simple and inexpensive to implement.

In einer weiteren bevorzugten Ausführungsform weist die erste Dämmplatte eine primäre Nut-Stirnseite und eine sekundäre Feder-Stirnseite auf, wobei die primäre Nut-Stirnseite über eine Kante der ersten Dämmplatte an der sekundären Feder-Stirnseite anliegt, und die erste Nut und die zweite Feder derart ausgebildet sind, dass an der Kante die zweite Federoberseite an der ersten Federoberseite oder der Schräge einer mit der ersten Nut formschlüssig verbundenen ersten Feder anliegt. Bei dieser Ausführungsform kann Wasser, das in die sekundäre Nut-Feder-Verbindung eindringt, über die zweiten Federoberseite auf die erste Federoberseite und von dort auf die Plattenoberseite der ersten Dämmplatte geleitet werden. Dadurch wird die Regenbeständigkeit des erfindungsgemäßen Dämmplattensystems weiter erhöht. Wasser, welches in die sekundäre Nut-Feder-Verbindung eintritt, verbleibt nicht innerhalb des Dämmplattensystems, sondern wird über die Plattenoberseite abgeleitet.In a further preferred embodiment, the first insulation board has a primary groove face and a secondary spring face, the primary groove face abutting an edge of the first insulation plate at the secondary spring face, and the first groove and the second spring are formed such that at the edge of the second spring top on the first spring top or the slope of a form-fitting manner with the first groove first spring is present. In this embodiment, water that penetrates into the secondary tongue and groove connection can be passed via the second spring top on the first spring top and from there to the top plate of the first insulating board. As a result, the rain resistance of the insulation board system according to the invention is further increased. Water entering the secondary tongue-and-groove joint does not remain within the insulation board system but is drained off the top of the plate.

In einer besonders bevorzugten Ausführungsform weist die zweite Feder an der der Plattenoberseite zugewandten zweiten Federoberseite eine entlang der sekundären Feder-Stirnfläche ausgebildete Wasserführungsnut auf. Bei dieser Ausführungsform kann Wasser, das in die sekundäre Nut-Feder-Verbindung eindringt, effektiv in der Wasserführungsnut gesammelt und abgeleitet werden. Dadurch kann ein Durchdringen des Wassers verhindert und die Regensicherheit des erfindungsgemäßen Dämmplattensystems weiter verbessert werden.In a particularly preferred embodiment, the second spring on the upper side of the plate facing the upper side of the plate on a formed along the secondary spring face Wasserführungsnut. In this embodiment, water that enters the secondary tongue-and-groove joint can be effectively collected and discharged in the water guide groove. As a result, penetration of the water can be prevented and the rainproofness of the insulation board system according to the invention can be further improved.

In einer besonders bevorzugten Ausführungsform liegt der Nutgrund der Wasserführungsnut an der Kante bündig am ersten Übergangsbereich einer mit der ersten Nut formschlüssig verbundenen ersten Feder an. Durch den bündigen Übergang wird ein Rückstau von eingedrungenem Wasser verhindert und das Ableiten verbessert.In a particularly preferred embodiment, the groove bottom of the water-guiding groove rests flush against the edge at the first transition region of a first spring which is positively connected to the first groove. The flush transition prevents backwater from entering the water and improves drainage.

In einer weiteren bevorzugten Ausführungsform sind die erste Dämmplatte und die zweite Dämmplatte identisch. Dadurch lässt sich das Dämmplattensystem besonders kostengünstig realisieren, da nicht zwei verschiedene Arten von Dämmplatten hergestellt werden müssen.In a further preferred embodiment, the first insulation board and the second insulation board are identical. As a result, the insulation board system can be realized particularly cost-effectively, since it is not necessary to produce two different types of insulation boards.

Bei einer weiteren bevorzugten Ausführungsform umfasst das Dämmplattensystem desweiteren zumindest ein Rahmenelement, wobei das Rahmenelement zumindest eine der ersten Dämmplatte oder zweiten Dämmplatte zugewandte Rahmen-Stirnfläche aufweist, an der zumindest abschnittsweise die erste Feder, die erste Nut, die zweite Feder oder die zweite Nut derart ausgebildet ist, dass das Rahmenelement mit der ersten Dämmplatte oder der zweiten Dämmplatte über die primäre Nut-Feder-Verbindung oder die sekundäre Nut-Feder-Verbindung formschlüssig verbindbar ist. Dies ermöglicht eine besonders einfache Eingrenzung, Umrandung und Befestigung des erfindungsgemäßen Dämmplattensystems.In a further preferred embodiment, the insulation board system furthermore comprises at least one frame element, the frame element having at least one frame end face facing the first insulation board or second insulation board, on which at least sections the first spring, the first groove, the second spring or the second groove is formed, that the frame member with the first insulating plate or the second insulating board via the primary tongue and groove connection or the secondary tongue and groove connection is positively connected. This allows a particularly simple limitation, bordering and fastening of the insulation board system according to the invention.

Vorteilhafte Ausführungsbeispiele der vorliegenden Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert. Es zeigen:

Figur 1:
Eine schematische Darstellung eines ersten Ausführungsbeispiels einer ersten Feder und einer ersten Nut einer erfindungsgemäßen primären Nut-Feder-Verbindung,
Figur 2:
Das Ausführungsbeispiel der Figur 1 im verbundenen Zustand,
Figur 3:
Ein zweites Ausführungsbeispiel einer erfindungsgemäßen primären Nut-Feder-Verbindung im getrennten Zustand,
Figur 4:
Ein drittes Ausführungsbeispiel einer erfindungsgemäßen primären Nut-Feder-Verbindung im getrennten Zustand,
Figur 5:
Das Ausführungsbeispiel der Figur 4 im verbundenen Zustand,
Figur 6:
Ein viertes Ausführungsbeispiel einer erfindungsgemäßen primären Nut-Feder-Verbindung im getrennten Zustand,
Figur 7:
Das Ausführungsbeispiel der Figur 6 im verbundenen Zustand,
Figur 8:
Ein fünftes Ausführungsbeispiel einer erfindungsgemäßen primären Nut-Feder-Verbindung im getrennten Zustand,
Figur 9:
Das Ausführungsbeispiel der Figur 8 im verbundenen Zustand,
Figur 10:
Ein erstes Ausführungsbeispiel einer zweiten Feder und einer zweiten Nut einer erfindungsgemäßen sekundären Nut-Feder-Verbindung,
Figur 11:
Ein zweites Ausführungsbeispiel einer erfindungsgemäßen sekundären Nut-Feder-Verbindung im getrennten Zustand,
Figur 12:
Ein drittes Ausführungsbeispiel einer erfindungsgemäßen sekundären Nut-Feder-Verbindung im getrennten Zustand,
Figur 13:
Das Ausführungsbeispiel der Figur 12 im verbundenen Zustand,
Figur 14:
Ein erstes Ausführungsbeispiel einer erfindungsgemäßen Dämmplatte in Perspektive,
Figur 15:
Die Dämmplatte der Figur 14 im Querschnitt entlang der Schnittlinie D, und
Figur 16:
Die Dämmplatte der Figur 14 im Querschnitt entlang der Schnittlinie E.
Advantageous embodiments of the present invention are explained in more detail below with reference to drawings. Show it:
FIG. 1:
A schematic representation of a first embodiment of a first spring and a first groove of a primary tongue and groove joint according to the invention,
FIG. 2:
The embodiment of FIG. 1 in the connected state,
FIG. 3:
A second embodiment of a primary tongue and groove joint according to the invention in the separated state,
FIG. 4:
A third embodiment of a primary tongue and groove joint according to the invention in the separated state,
FIG. 5:
The embodiment of FIG. 4 in the connected state,
FIG. 6:
A fourth embodiment of a primary tongue and groove joint according to the invention in the separated state,
FIG. 7:
The embodiment of FIG. 6 in the connected state,
FIG. 8:
A fifth exemplary embodiment of a primary tongue and groove joint according to the invention in the separated state,
FIG. 9:
The embodiment of FIG. 8 in the connected state,
FIG. 10:
A first embodiment of a second spring and a second groove of a secondary tongue and groove connection according to the invention,
FIG. 11:
A second embodiment of a secondary tongue and groove joint according to the invention in the separated state,
FIG. 12:
A third embodiment of a secondary tongue and groove joint according to the invention in the separated state,
FIG. 13:
The embodiment of FIG. 12 in the connected state,
FIG. 14:
A first embodiment of an insulation panel according to the invention in perspective,
FIG. 15:
The insulation board of the FIG. 14 in cross section along the section line D, and
FIG. 16:
The insulation board of the FIG. 14 in cross-section along the section line E.

Für die folgenden Ausführungen gilt, dass gleiche Teile durch gleiche Bezugszeichen bezeichnet werden sofern in einer Zeichnung Bezugszeichen enthalten sind, auf die in der zugehörigen Figurenbeschreibung nicht näher eingegangen wird, so wird auf vorangehende oder nachfolgende Figurenbeschreibungen Bezug genommen.For the following statements applies that the same parts are denoted by the same reference numerals, if reference signs are included in a drawing, which is not discussed in detail in the accompanying figure description, reference is made to preceding or subsequent description of the figures.

Figur 1 zeigt Randbereiche einer ersten Dämmplatte 1 und einer zweiten Dämmplatte 2 eines erfindungsgemäßen Dämmplattensystems 33. Die erste Dämmplatte 1 weist eine primäre Feder-Stirnseite 3 auf, an der die erste Feder 4 ausgebildet ist. Die primäre Feder-Stirnseite 3 erstreckt sich rechtwinklig zwischen der Plattenoberseite 7 und einer Plattenunterseite 18. Die zweite Dämmplatte 2 weist eine primäre Nut-Stirnseite 5 auf, an der eine erste Nut 6 ausgebildet ist. Die Plattenoberseite 7 der ersten Dämmplatte 1 weist im Bereich der primären Feder-Stirnseite 3 eine Schräge 8 auf, in der die Plattenoberseite 7 zur ersten Federoberseite 9 hin abgeschrägt ist. Bei dem dargestellten Ausführungsbeispiel geht die Schräge 8 bündig in die erste Federoberseite 9 über. An der ersten Federoberseite 9 ist ein geradliniger Bereich 10 ausgebildet, der sich vom ersten Federende 11 über die gesamte Federoberseite 9 erstreckt. Die primäre Feder-Stirnseite 3 definiert senkrecht dazu eine erste Richtung A. Die Schräge 8 nimmt zu der ersten Richtung A einen Schrägenwinkel α ein. Der geradlinige Bereich 10 der ersten Feder 4 definiert zu der ersten Richtung A einen Federwinkel β. Erfindungsgemäß ist der Federwinkel β größer als der Schrägenwinkel α. Die erste Nut 6 der zweiten Dämmplatte 2 ist zur ersten Feder 4 korrespondierend ausgebildet, sodass erste Nut 6 und erste Feder 4 wie in Figur 2 dargestellt formschlüssig miteinander verbindbar sind. FIG. 1 shows edge regions of a first insulation board 1 and a second insulation board 2 of a Dämmplattensystems invention 33. The first insulation board 1 has a primary spring end face 3 on which the first spring 4 is formed. The primary spring end 3 extends at right angles between the plate top 7 and a plate underside 18. The second insulation board 2 has a primary groove end face 5 on which a first groove 6 is formed. The top surface 7 of the first insulating panel 1 has in the region of the primary spring end face 3 a bevel 8, in which the top surface 7 is beveled to the first spring top 9 back. In the illustrated embodiment, the slope 8 goes flush in the first spring top 9. On the first spring top 9, a rectilinear region 10 is formed, which extends from the first spring end 11 over the entire spring top 9. The primary spring end face 3 defines perpendicular thereto a first direction A. The bevel 8 assumes a bevel angle α to the first direction A. The rectilinear region 10 of the first spring 4 defines a spring angle β to the first direction A. According to the invention, the spring angle β is greater than the oblique angle α. The first groove 6 of the second insulation board 2 is formed corresponding to the first spring 4, so that first groove 6 and first spring 4 as in FIG. 2 shown positively connected with each other.

In dem dargestellten Ausführungsbeispiel ist eine Federunterseite 12 in zwei Bereiche aufgeteilt, wobei ein erster Bereich 13 senkrecht zur primären Feder-Stirnseite 3 verläuft, und ein zweiter Bereich 14 sich in Richtung der ersten Federoberseite 9 erstreckt, sodass am ersten Federende 11 ein trapezförmiger Abschnitt ausgebildet ist. Die Dicke F des ersten Federendes 11 beträgt 25% der Dicke G der ersten Feder 4 an der primären Feder-Stirnseite 3.In the illustrated embodiment, a spring base 12 is divided into two regions, wherein a first region 13 is perpendicular to the primary spring end face 3, and a second region 14 extends in the direction of the first spring top 9, so that formed on the first spring end 11, a trapezoidal portion is. The thickness F of the first spring end 11 is 25% of the thickness G of the first spring 4 on the primary spring end face 3.

Bei dem in den Figuren 1 und 2 dargestellten Ausführungsbeispiel endet die Schräge 8 der Plattenoberseite 7 an der primären Nut-Stirnseite 5. Es ist gut zu erkennen, dass bei der Verwendung des erfindungsgemäßen Dämmplattensystems 33 als Unterdeckung eines Dachs die Schräge 8 auf der Oberseite 7 vorhandenes Wasser abführen kann. Wie in Figur 2 dargestellt wird die Stirnfläche 15 des ersten Federendes 11 in etwa mittig von der Primär-Ebene B geschnitten, die einen Abstand von 25mm zur Plattenoberseite 7 einnimmt. Der Angriffspunkt der Kerbwirkung der ersten Feder 4 ist in Richtung der Mittelebene B verschoben, und die obere Nutwange 20 ist besonders stabil ausgebildet. Dadurch ist die in Figur 2 dargestellte primäre Nut-Feder-Verbindung 19 besonders widerstandsfähig gegenüber Belastungen.In the in the Figures 1 and 2 illustrated embodiment ends the slope 8 of the top plate 7 at the primary groove end face 5. It is good to see that when using the insulation board system 33 according to the invention as undercoverage of a roof, the slope 8 on the top 7 can dissipate existing water. As in FIG. 2 shown, the end face 15 of the first spring end 11 is cut approximately centrally from the primary plane B, which occupies a distance of 25 mm to the top surface 7. The point of application of the notch effect of the first spring 4 is displaced in the direction of the center plane B, and the upper groove cheek 20 is formed particularly stable. This is the in FIG. 2 illustrated primary tongue and groove joint 19 particularly resistant to stress.

Die Dämmplatten 1,2 des dargestellten Ausführungsbeispiels haben eine konstante Rohdichteverteilung, eine Dicke von 50 mm und bestehen aus Holzfasern. Die Primär-Ebene B entspricht daher der Mittelebene der Dämmplatte 1,2 Der Schrägenwinkel α beträgt etwa 13°, der Federwinkel β beträgt etwa 30°.The insulation boards 1,2 of the illustrated embodiment have a constant Rohdichteverteilung, a thickness of 50 mm and consist of wood fibers. The primary level B therefore corresponds to the median plane of the insulation board 1,2 The oblique angle α is about 13 °, the spring angle β is about 30 °.

Das in Figur 3 dargestellte Ausführungsbeispiel entspricht in Wesentlichem dem in den Figuren 1 und 2 dargestellten Ausführungsbeispiel, jedoch ist der zweite Bereich 14 der Federunterseite so ausgebildet, dass das erste Federende 11 eine Spitze 16, bzw. das erste Federende 11 einen im Wesentlichen dreieckigen Abschnitt 17 aufweist. Bei dieser Ausführungsform sind sowohl die obere Nutwange 20 als auch die untere Nutwange 21 besonders stabil ausgebildet und damit das erfindungsgemäße Dämmplattensystem 33 besonders widerstandfähig gegenüber Belastungen, beispielsweise gegenüber Belastungen durch Handwerker, die auf dem als Unterdeckung verwendeten erfindungsgemäßen Dämmplattensystem laufen. Dieses Ausführungsbeispiel ist besonders vorteilhaft, falls die ersten und zweiten Dämmplatten 1,2 dünn ausgebildet sind. Bei dem in der Figur 3 dargestellten Ausführungsbeispiel liegt die Spitze 16 des ersten Federendes 11 oberhalb der ersten Mittelebene B. Der Schrägenwinkel α beträgt etwa 10°, der Federwinkel β etwa 30°.This in FIG. 3 illustrated embodiment corresponds essentially to the in the Figures 1 and 2 illustrated embodiment, however, the second portion 14 of the spring underside is formed so that the first spring end 11 a tip 16, and the first spring end 11 has a substantially triangular portion 17. In this embodiment, both the upper groove cheek 20 and the lower groove cheek 21 are designed to be particularly stable and thus the inventive Dämmplattensystem 33 particularly resistant to stress, for example against burdens by craftsmen who run on the insulation board system used according to the invention as a shortage. This embodiment is particularly advantageous if the first and second insulation boards 1.2 are formed thin. In the in the FIG. 3 illustrated embodiment, the tip 16 of the first spring end 11 is above the first center plane B. The oblique angle α is about 10 °, the spring angle β about 30 °.

Das in den Figuren 4 und 5 dargestellte Ausführungsbeispiel der primären Nut-Feder-Verbindung 19 eines erfindungsgemäßen Dämmplattensystems 33 entspricht im Wesentlichen dem der Figuren 1 und 2 dargestellten Ausführungsbeispiel. Die Schräge 8 an der Plattenoberseite 7 der ersten Dämmplatte 1 geht jedoch nicht bündig in die erste Federoberseite 9 über. Stattdessen stößt die Schräge 8 wie in Figur 5 dargestellt an der primären Nut-Stirnseite 5 der zweiten Dämmplatte 2 an. Die erste Federoberseite 9 und die erste Federunterseite 14 sind geradlinig und bilden zusammen einen trapezförmigen Endabschnitt mit einer Stirnfläche 15. Die Dicke F des ersten Federendes 11 entspricht 14% der Dicke G der ersten Feder 4 an der primären Feder-Stirnseite 3. Der Schrägenwinkel α beträgt in etwa 15°, der Federwinkel β in etwa 24°.That in the FIGS. 4 and 5 illustrated embodiment of the primary tongue and groove connection 19 of a Dämmplattensystems 33 according to the invention substantially corresponds to the Figures 1 and 2 illustrated embodiment. However, the slope 8 on the top plate 7 of the first insulating panel 1 is not flush in the first spring top 9 over. Instead, the slope 8 hits as in FIG. 5 represented on the primary groove end face 5 of the second insulation board 2. The first spring top 9 and the first spring bottom 14 are rectilinear and together form a trapezoidal end portion with an end face 15. The thickness F of the first spring end 11 corresponds to 14% of the thickness G of the first spring 4 on the primary spring end face 3. The oblique angle α is about 15 °, the spring angle β in about 24 °.

Das in den Figuren 6 und 7 dargestellte Ausführungsbeispiel entspricht im Wesentlichen dem in den Figuren 4 und 5 dargestellten Ausführungsbeispiel. Bei diesem Ausführungsbeispiel ist an der primären Nut-Stirnseite 5 zusätzlich einen Übergriff 22 vorgesehen, der wie in Figur 7 dargestellt die Kante zwischen Schräge 8 und primärer Feder-Stirnseite 3 übergreift und somit im Bereich der Schräge 8 an der Plattenoberseite 7 anliegt. Dadurch wird die Regensicherheit des erfindungsgemäßen Dämmplattensystems weiter erhöht, da ein Eindringen von Wasser in die primäre Nut-Feder-Verbindung verhindert wird.That in the FIGS. 6 and 7 illustrated embodiment corresponds essentially to the in the FIGS. 4 and 5 illustrated embodiment. In this embodiment, an overlap 22 is additionally provided on the primary groove end face 5, which, as in FIG FIG. 7 represented the edge between bevel 8 and primary spring end face 3 overlaps and thus rests in the region of the slope 8 on the upper side 7 of the plate. As a result, the rain resistance of the insulation board system according to the invention is further increased, since penetration of water into the primary tongue and groove connection is prevented.

Das in den Figuren 8 und 9 dargestellte Ausführungsbeispiel entspricht im Wesentlichen dem in den Figuren 6 und 7 dargestellten Ausführungsbeispiel. Die Schräge 8 der Plattenoberseite 7 geht jedoch bündig in die erste Federoberseite 9 über. Die erste Federoberseite 9 und die erste Federunterseite 12 weisen jeweils einen im Wesentlichen senkrecht zur primären Feder-Stirnseite 3 verlaufenden Übergangsbereich 23 auf. Daran schließt sich an der Federoberseite 9 der geradlinige Bereich 10 an, der zusammen mit der Federunterseite 12 ein dreieckiges erstes Federende 11, 17 ausbildet. Die Spitze 16 des ersten Federendes 11 liegt in der Primär-Ebene B. Der Schrägenwinkel beträgt in etwa 13°, der Federwinkel in etwa 45°. Die Länge des geradlinigen Bereichs 10 beträgt in einer Projektion auf die erste Richtung A über 40 % der Länge der ersten Feder 4.That in the FIGS. 8 and 9 illustrated embodiment corresponds essentially to the in the FIGS. 6 and 7 illustrated embodiment. However, the slope 8 of the top plate 7 is flush with the first spring top 9 over. The first spring top side 9 and the first spring bottom side 12 each have a transition region 23 extending substantially perpendicular to the primary spring end face 3. This is followed at the top of the spring 9 of the rectilinear region 10, which forms a triangular first spring end 11, 17 together with the spring underside 12. The tip 16 of the first spring end 11 lies in the primary plane B. The oblique angle is approximately 13 °, the spring angle approximately 45 °. The length of the rectilinear region 10 in a projection in the first direction A is over 40% of the length of the first spring 4.

Die Figur 10 zeigt ein erstes Ausführungsbeispiel einer erfindungsgemäßen sekundären Nut-Feder-Verbindung. In der dargestellten Ausführungsform weist die erste Dämmplatte 1 eine sekundäre Nut-Stirnseite 24 auf, an der die zweite Nut 25 ausgebildet ist. Die zweite Dämmplatte 2 weist eine sekundäre Feder-Stirnseite 26 auf, an der die zweite Feder 27 ausgebildet ist. Die zweite Federoberseite 30 weist einen senkrecht zur sekundären Feder-Stirnseite 26 verlaufenden geradlinigen Abschnitt 34 auf. Die zweite Feder 27 weist außerdem einen im Wesentlichen trapezförmigen Endabschnitt auf, wobei die Dicke H des ersten Federendes 29 in etwa 6 % der Dicke I der zweiten Feder 27 an der sekundären Feder-Stirnseite 26 beträgt.The FIG. 10 shows a first embodiment of a secondary tongue and groove connection according to the invention. In the illustrated embodiment, the first insulation board 1 has a secondary groove end face 24, on which the second groove 25 is formed. The second insulation board 2 has a secondary spring end face 26, on which the second spring 27 is formed. The second spring top side 30 has a rectilinear section 34 extending perpendicular to the secondary spring end face 26. The second spring 27 also has a substantially trapezoidal end portion, wherein the thickness H of the first spring end 29 is about 6% of the thickness I of the second spring 27 on the secondary spring end face 26.

Die zweite Nut 25 ist so ausgebildet, dass sich zweite Nut 25 und zweite Feder 27 formschlüssig miteinander verbinden lassen. Die Stirnseite 28 des zweiten Federendes 29 wird in etwa mittig von der Sekundär-Ebene C geschnitten, die einen Abstand von 25mm zur Plattenoberseite 7 der zweiten Dämmplatte 2 aufweist. Wasser, welches im Stoßbereich der sekundären Nut-Feder-Verbindung 32 eindringt, wird auf die Schräge 8 einer weiteren Dämmplatte 1, 2, deren erste Feder formschlüssig mit der ersten Nut verbunden ist, geleitet, so dass das Wasser auf die Plattenoberseite 7 abgeführt werden kann.The second groove 25 is formed so that the second groove 25 and second spring 27 can be positively connected to each other. The end face 28 of the second spring end 29 is cut approximately in the middle of the secondary plane C, which has a distance of 25mm to the top surface 7 of the second insulation board 2. Water, which penetrates in the joint area of the secondary tongue and groove joint 32, is on the slope 8 of another insulation board 1, 2, whose first spring is positively connected to the first groove, passed, so that the water to the top plate 7 are discharged can.

Das in der Figur 11 dargestellte Ausführungsbeispiel entspricht im Wesentlichen dem in der Figur 10 dargestellten Ausführungsbeispiel. Jedoch weist die zweite Feder 27 eine Spitze auf, wobei die Spitze in der Sekundär-Ebene C liegt.That in the FIG. 11 illustrated embodiment corresponds substantially to that in the FIG. 10 illustrated embodiment. However, the second spring 27 has a tip, with the tip lying in the secondary plane C.

Das in den Figuren 12 und 13 dargestellte Ausführungsbeispiel entspricht dem Wesentlichen dem in der Figur 11 dargestellten Ausführungsbeispiel. Zusätzlich ist im geradlinigen Abschnitt 34 der zweiten Federoberseite 30 eine Wasserführungsnut 31 ausgebildet, welche eine rechteckige Form aufweist. Wasser, welches in die in Figur 13 dargestellte sekundäre Nut-Feder-Verbindung 32 eindringt, wird in der Wasserführungsnut 31 gesammelt. Falls die Wasserführungsnut an der Kante der Dämmplatte 1, 2 am Übergangsbereich 23 der ersten Federoberseite 9 einer, mit der primären Nut-Stirnseite formschlüssig verbundenen ersten Feder einer weiteren Dämmplatte 1, 2 anliegt, wird Wasser, welches in die in Figur 13 dargestellte sekundäre Nut-Feder-Verbindung 32 eindringt, in der Wasserführungsnut 31 gesammelt und auf die Schräge 8 des jeweiligen primären Nut-FederSystems geleitet, so dass das Wasser auf die Plattenoberseite abgeführt werden kann.That in the FIGS. 12 and 13 illustrated embodiment corresponds to the essence of the in the FIG. 11 illustrated embodiment. In addition, in the straight line Section 34 of the second spring top 30 a Wasserführungsnut 31 is formed, which has a rectangular shape. Water, which in the in FIG. 13 shown secondary groove-spring connection 32 penetrates, is collected in the Wasserführungsnut 31. If the Wasserführungsnut at the edge of the insulation board 1, 2 at the transition region 23 of the first spring top 9 a, with the primary groove end face positively connected first spring another insulating plate 1, 2 is applied, water, which in the in FIG. 13 shown secondary groove-spring connection 32 penetrates, collected in the Wasserführungsnut 31 and directed to the slope 8 of the respective primary tongue and groove system, so that the water can be discharged to the top of the plate.

Wird das erfindungsgemäße Dämmplattensystem 33 als Dachunterkonstruktion verwendet, ist die Wasserführungsnut vorzugsweise entlang der Längsrichtung des Dachs orientiert, und weist dadurch aufgrund der Dachschräge eine Neigung auf. Das in der Wasserführungsnut 31 gesammelte Wasser wird aufgrund der Dachschräge effektiv abgeleitet.If the insulation board system 33 according to the invention is used as a roof substructure, the water guide groove is preferably oriented along the longitudinal direction of the roof, and thus has an inclination due to the sloping roof. The collected in the Wasserführungsnut 31 water is effectively dissipated due to the sloping roof.

Die Figuren 14, 15 und 16 zeigt ein erstes Ausführungsbeispiel eines erfindungsgemäßen Dämmplattensystems 33. In der dargestellten Ausführungsform sind erste Dämmplatten 1 und zweite Dämmplatten 2 gleichartig ausgebildet. Die Dämmplatten 1 sind rechteckig und weisen eine primäre Feder-Stirnseite 3, eine dazu gegenüberliegende primäre Nut-Stirnseite 5, eine sekundäre Feder-Stirnseite 26 und eine dazu gegenüberliegende sekundäre Nut-Stirnseite 24 auf. Die Stirnseiten sind so ausgebildet, dass sich die Dämmplatten 1, 2 entlang einer ersten Richtung über die primäre Nut-Feder-Verbindung formschlüssig miteinander verbinden lassen, und entlang einer zweiten Richtung über die sekundäre Nut-Feder-Verbindung formschlüssig miteinander verbinden lassen. Die primäre Nut-Feder-Verbindung 19 entspricht dabei dem Ausführungsbeispiel der Figuren 8 und 9. Die sekundäre Nut-Feder-Verbindung 32 entspricht dem Ausführungsbeispiel der Figuren 12 und 13. Die Primär-Ebene und die Sekundär-Ebene C fallen im dargestellten Ausführungsbeispiel zusammen und entsprechen daher auch der ersten und der zweiten Mittelebene. Es sind jedoch auch andere Ausführungsformen denkbar.The Figures 14 . 15 and 16 shows a first embodiment of a Dämmplattensystems invention 33. In the illustrated embodiment, first insulation boards 1 and second insulation boards 2 are formed similar. The insulation boards 1 are rectangular and have a primary spring end face 3, an opposite primary groove end face 5, a secondary spring end face 26 and a secondary groove end face 24 lying opposite thereto. The end faces are formed so that the insulation panels 1, 2 can be positively connected to each other along a first direction via the primary tongue and groove connection, and can be positively connected to each other along a second direction via the secondary tongue and groove connection. The primary tongue and groove connection 19 corresponds to the embodiment of FIGS. 8 and 9 , The secondary tongue and groove connection 32 corresponds to the embodiment of FIGS. 12 and 13 , The primary plane and the secondary plane C coincide in the illustrated embodiment and therefore also correspond to the first and the second center plane. However, other embodiments are conceivable.

Die Dämmplatten 1 des dargestellten Ausführungsbeispiels haben eine Dicke von 50 mm, eine konstante Rohdichteverteilung und bestehen aus Holzfasern.The insulating panels 1 of the illustrated embodiment have a thickness of 50 mm, a constant Rohdichteverteilung and are made of wood fibers.

Wird das dargestellte Dämmplattensystem 33 als Unterdeckung eines Dachs verwendet, werden die primären Feder-Stirnseiten 3 der Dämmplatten 1, 2 vorzugsweise entlang der Querrichtung orientiert. Dementsprechend sind die Längsseiten der Dämmplatten 1,2 unabhängig vom Verlauf von First und Traufe horizontal ausgerichtet.If the illustrated Dämmplattensystem 33 used as undercoverage of a roof, the primary spring end faces 3 of the insulation boards 1, 2 preferably along the Oriented transversely. Accordingly, the longitudinal sides of the insulation boards 1,2 are aligned independently of the course of ridge and eaves horizontally.

Bei dem dargestellten Ausführungsbeispiel liegt eine primäre Nut-Stirnseite 5 über eine Kante der Dämmplatte 1, 2 an einer sekundären Feder-Stirnseite 26 an. Die zweite Feder 27 und die Wasserführungsnut 31 sind so ausgebildet, dass die Wasserführungsnut an der Kante der Dämmplatte 1, 2 am Übergangsbereich 23 der ersten Federoberseite 9 einer, mit der primären Nut-Stirnseite formschlüssig verbundenen ersten Feder einer weiteren Dämmplatte 1, 2 anliegt.In the illustrated embodiment, a primary groove end face 5 abuts an edge of the insulation board 1, 2 on a secondary spring end face 26. The second spring 27 and the Wasserführungsnut 31 are formed so that the Wasserführungsnut at the edge of the insulation board 1, 2 at the transition region 23 of the first spring top 9 a, with the primary groove end face positively connected to the first spring another insulation board 1, 2 rests.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
erste Dämmplattefirst insulation board
22
zweite Dämmplattesecond insulation board
33
primäre Feder-Stirnseiteprimary spring front end
44
erste Federfirst spring
55
primäre Nut-Stirnseiteprimary groove end face
66
erste Nutfirst groove
77
PlattenoberseitePlate upper side
88th
Schrägeslope
99
erste Federoberseitefirst spring top
1010
geradliniger Bereichstraight line area
1111
erstes Federendefirst spring end
1212
FederunterseiteSpring-side
1313
erster Bereich der Federunterseitefirst area of the spring underside
1414
zweiter Bereich der Federunterseitesecond area of the spring underside
1515
Stirnfläche der ersten FederFace of the first spring
1616
Spitze des ersten FederendesTip of the first spring end
1717
dreieckiger Abschnitttriangular section
1818
PlattenunterseitePlate underside
1919
primäre Nut-Feder-Verbindungprimary tongue and groove connection
2020
obere Nutwangeupper groove cheek
2121
untere Nutwangelower groove cheek
2323
ÜbergangsbereichTransition area
2424
sekundäre Nut-Stirnseitesecondary groove end face
2525
zweite Nutsecond groove
2626
sekundäre Feder-Stirnseitesecondary spring end face
2727
zweite Federsecond spring
2828
Stirnfläche der zweiten FederFace of the second spring
2929
zweites Federendesecond spring end
3030
zweite Federoberseitesecond spring top
3131
Wasserführungsnutwater guide
3232
sekundäre Nut-Feder-Verbindungsecondary tongue and groove connection
3333
DämmplattensystemBoards system
3434
geradliniger Abschnitt der zweiten Federoberseiterectilinear portion of the second spring top
αα
Schrägenwinkeloblique angle
ββ
Federwinkelspring angle
AA
erste Richtungfirst direction
BB
Primär-EbenePrimary level
CC
Sekundär-EbeneSecondary level
DD
Schnittlinieintersection
Ee
Schnittlinieintersection
FF
Dicke des ersten FederendesThickness of the first spring end
GG
Dicke der ersten FederThickness of the first spring
HH
Dicke des zweiten FederendesThickness of the second spring end
II
Dicke der zweiten FederThickness of the second spring

Claims (15)

  1. Insulating panel system (33) comprising a first insulating panel (1), a second insulating panel (2) and a primary tongue and groove connection (19), wherein the primary tongue and groove connection (19) comprises a first groove (6) and a first tongue (4), the first groove (6) and the first tongue (4) are formed such that they are positively connectable to each other, the first insulating panel (1) comprises at least one primary tongue front face (3) on which the first tongue (4) is formed, and the second insulating panel (2) comprises at least one primary groove front face (5) on which the first groove (6) is formed, in such a manner that the first insulating panel (1) is positively connectable via the primary tongue and groove connection (19) to the second insulating panel (2), wherein the first insulating panel (1) comprises a panel top (7) and a panel bottom (18), the primary tongue front face (3) extends between the panel top (7) and the panel bottom (18), the first tongue (4) has a first tongue top (9) facing the panel top (8), and a bevel (8) in which the panel top (7) is beveled towards the tongue top (9) is formed on the panel top (7) in the region of the primary tongue front face (3), wherein the bevel (8) defines a bevel angle (α) in relation to a first direction (A) perpendicular to the primary tongue front face (3), and a straight region (10) which in relation to the first direction (A) defines a tongue angle (β) is formed at least in sections on the first tongue top (9), characterized in that the tongue angle (β) is greater than the bevel angle (α).
  2. Insulating panel system (33) according to claim 1, characterized in that the straight region (10) comprises a first tongue end (11).
  3. Insulating panel system (33) according to claim 2, characterized in that the thickness (F) of the first tongue end (11) corresponds to not more than 30% of the thickness (G) of the first tongue (4) on the primary tongue front side (3).
  4. Insulating panel system (33) according to any one of the preceding claims, characterized in that the bevel (6) passes flush into the first tongue top (9).
  5. Insulating panel system (33) according to any one of claims 2 to 4, characterized in that the first tongue end (11) defines a primary plane (B) which extends parallel to the panel top (7), wherein the primary plane (B) has a distance between 20 mm and 30 mm relative to the panel top (7).
  6. Insulating panel system (33) according to any one of the preceding claims, characterized in that the first insulating panel (1) comprises a primary groove front face (5) opposite to the primary tongue front face (3) with a first groove (6), wherein the first groove (6) and the first tongue (4) are formed such that the first insulating panel (1) is positively connectable via the primary tongue and groove connection (19) to a further, similar first insulating panel (19).
  7. Insulating panel system (33) according to any one of claims 2 to 6, characterized in that the insulating panel system (33) comprises a secondary groove and tongue connection (32) with a second groove (25) and a second tongue (27), wherein at least one of the first insulating panel (1) or the second insulating panel (2) comprises at least a secondary tongue front face (26) on which the second tongue (27) is formed, wherein the second groove (25) and the second tongue (27) are formed such that they are positively connectable to each other, the thickness (H) of the second tongue end (29) corresponds to not more than 30% of the thickness (I) of the second tongue (27) on the secondary tongue front side (26), and wherein at least one of the first insulating panel (1) or the second insulating panel (2) comprises at least one secondary groove front face (24) on which the second groove (25) is formed, in such a manner that the first insulating panel (1) is positively connectable via the secondary tongue and groove connection (32) to the second insulating panel (2).
  8. Insulating panel system (33) according to claim 7, characterized in that the second tongue end (27) defines a secondary plane (C) which extends parallel to the panel top (7), wherein the secondary plane (C) has a distance between 20 mm and 30 mm relative to the panel top (7).
  9. Insulating panel system (33) according to claim 7 or 8, characterized in that the second insulating panel (2) comprises at least one secondary tongue front face (26) and an opposite secondary groove front face (24), so that the second insulating panel (2) is positively connectable via the secondary groove and tongue connection (32) to a further, similar second insulating panel (2).
  10. Insulating panel system (33) according to any one of claims 7 to 9, characterized in that the first insulating panel (1) comprises a primary tongue front side (3), a primary groove front side (5) opposite to the primary tongue front side (3), a secondary tongue front side (26) and a secondary groove front side (24) opposite to the secondary tongue front side (26), in such a manner that the first insulating panel (1) is positively connectable via at least one of the primary groove and tongue connection (19) or secondary groove and tongue connection (32) to a further, similar first insulating panel (1).
  11. Insulating panel system (33) according to any one of claims 7 to 10, characterized in that the first insulating panel (1) comprises a primary groove front side (5) and a secondary tongue front side (26), wherein the primary groove front side (5) abuts on the secondary tongue front side (26) via an edge of the first insulating panel (1), and the first groove (6) on the primary groove front side (5) and the second tongue (27) on the secondary tongue front side (26) are formed such that the second tongue top (30) abuts on the first tongue top (9) or the bevel (8) of a first tongue (4) which is positively connectable to the first groove (6).
  12. Insulating panel system (33) according to claim 11, characterized in that the second tongue (27) on the second tongue top (30) facing the panel top (7) comprises a water guide groove (31) formed along the secondary tongue front face (26).
  13. Insulating panel system (33) according to any one of the preceding claims, characterized in that the first insulating panel (1) and the second insulating panel (2) are identical.
  14. Insulating panel system (33) according to any one of the preceding claims, characterized in that at least one of the first insulating panel (1) or the second insulating panel (2) is configured as a wood-fiber insulating panel.
  15. Insulating panel system (33) according to any one of the preceding claims, characterized in that the insulating panel system (33) further comprises at least one frame element, wherein the frame element comprises at least one frame front face facing the first insulating panel or second insulating panel, on which the first tongue (4), the first groove (6), the second tongue (27) or the second groove (25) is formed at least in sections such that the frame element is positively connectable to the first insulating panel (1) or the second insulating panel (2) via the primary groove and tongue connection (19) or the secondary groove and tongue connection (32).
EP15001430.6A 2015-05-12 2015-05-12 Insulating panel system with tongue and groove connection Active EP3093408B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15001430.6A EP3093408B1 (en) 2015-05-12 2015-05-12 Insulating panel system with tongue and groove connection
PL15001430T PL3093408T3 (en) 2015-05-12 2015-05-12 Insulating panel system with tongue and groove connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15001430.6A EP3093408B1 (en) 2015-05-12 2015-05-12 Insulating panel system with tongue and groove connection

Publications (2)

Publication Number Publication Date
EP3093408A1 EP3093408A1 (en) 2016-11-16
EP3093408B1 true EP3093408B1 (en) 2017-05-03

Family

ID=53181034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001430.6A Active EP3093408B1 (en) 2015-05-12 2015-05-12 Insulating panel system with tongue and groove connection

Country Status (2)

Country Link
EP (1) EP3093408B1 (en)
PL (1) PL3093408T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3319235A1 (en) * 1983-05-27 1984-11-29 Klaus Dipl.-Ing. 8980 Oberstdorf Raue Joint of rectangular slabs comprising laying and insertion parts
DE3523707A1 (en) * 1985-07-03 1987-01-08 Werner Dipl Ing Benecken Connection of rectangular slabs according to a tongue-and-groove system
DE9010309U1 (en) * 1989-08-18 1990-09-13 Welteke, Uwe, 3500 Kassel Sub-roof panel with water-conducting edge profiling
DE19859038C2 (en) 1998-12-21 2002-10-31 Kronotex Gmbh Wood fiber board

Also Published As

Publication number Publication date
PL3093408T3 (en) 2017-10-31
EP3093408A1 (en) 2016-11-16

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