EP3354812A1 - Système de fixation d'une plaque isolante - Google Patents

Système de fixation d'une plaque isolante Download PDF

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Publication number
EP3354812A1
EP3354812A1 EP17020028.1A EP17020028A EP3354812A1 EP 3354812 A1 EP3354812 A1 EP 3354812A1 EP 17020028 A EP17020028 A EP 17020028A EP 3354812 A1 EP3354812 A1 EP 3354812A1
Authority
EP
European Patent Office
Prior art keywords
dowel
fastening element
insulation board
fastener
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17020028.1A
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German (de)
English (en)
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EP3354812B1 (fr
Inventor
Joachim Tiemann
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.)
Ejot Baubefestigungen GmbH
Original Assignee
Ejot Baubefestigungen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ejot Baubefestigungen GmbH filed Critical Ejot Baubefestigungen GmbH
Priority to EP17020028.1A priority Critical patent/EP3354812B1/fr
Publication of EP3354812A1 publication Critical patent/EP3354812A1/fr
Application granted granted Critical
Publication of EP3354812B1 publication Critical patent/EP3354812B1/fr
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—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
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7629—Details of the mechanical connection of the insulation to the wall

Definitions

  • the present invention relates to a system for fixing an insulating panel to a building according to the preamble of claim 1.
  • the present invention is generally concerned with insulating panels for thermal insulation structures.
  • the insulation boards are in particular so-called insulation boards or thermal insulation boards. However, it may also be other facade panels o. The like. Act.
  • Insulating boards are designed in particular for thermal insulation and usually have a low thermal conductivity and / or low bulk density.
  • insulation boards are made of, in particular, foamed plastic, such as expanded or extruded polystyrene, polyurethane, polyisocyanurate, phenolic resin, polyethylene or the like, foamed elastomers, mineral fibers such as mineral wool, glass wool or the like, mineral foams such as pumice or the like.
  • foamed plastic such as expanded or extruded polystyrene, polyurethane, polyisocyanurate, phenolic resin, polyethylene or the like
  • foamed elastomers foamed plastic, such as expanded or extruded polystyrene, polyurethane, polyisocyanurate, phenolic resin, polyethylene or the like, foamed elastomers, mineral fibers such as mineral wool, glass wool or the like, mineral foams such as pumice or the like.
  • vegetable raw materials such as wood fiber, wood wool, coconut fiber or the like, animal fibers such as sheep's wool, and / or recycled materials such
  • the insulating material used is usually relatively soft or not highly resilient. Against this background, a secure attachment of the insulation boards and / or careful handling in the attachment is important.
  • Insulating panels are usually attached to a building, in particular to a house or other building, to a facade, wall, ceiling o. The like., Attached. However, the attachment can preferably also be done on a different substructure.
  • structure is to be understood against this background preferably in a correspondingly broad sense.
  • insulation boards are (initially) glued to a building and (subsequently or additionally) secured with fasteners, such as screws and / or dowels.
  • fasteners such as screws and / or dowels.
  • the insulation boards fastened in this way are then usually plastered.
  • the WO 2015/110270 A1 and DE 20 2015 005 171 U1 disclose an insulation board with an integrated, close to the building arranged fastener.
  • the fastening element is arranged coaxially with an outwardly open recess of the insulation board.
  • the insulation board is preferably glued to an associated structure first. By means of a drill is then drilled through the fastener into the structure, then to introduce a dowel and to be able to peg the fastener to the building and thus the insulation board with the building. Finally, the recess of the insulation board is closed.
  • the present invention has for its object to facilitate the attachment of an insulating board to a building or simplify and / or specify a system for fixing an insulating board to a building, preferably with a simple, fast, reliable and / or cost-effective attachment of the insulating board enabled or supported on a building.
  • a system according to the proposal has at least one fastening element for fastening an insulating panel to a structure and optionally an associated anchor which can be inserted into the fastening element. Further, the system may also include the insulation board to be fastened.
  • the fastening element is particularly preferably arranged on the insulating board or embedded in this or its insulating material.
  • the fastener is then inextricably linked to the insulation board, particularly preferably prior to attachment of the insulation board to the building.
  • the fastening element preferably has an opening into which the dowel can be inserted in order to dowel the fastening element and thus the associated insulation board with the building.
  • the fastener preferably has a particular plate-like holding portion for surface connection with or holding the associated insulation board.
  • the dowel in the inserted state is preferably secured against rotation by a positive fit on the fastening element against rotation relative to the fastening element.
  • the rotation prevents the dowel during insertion of a spreading, in particular when screwing a screw, rotates in an undesired manner.
  • Such co-rotation can namely occur without rotation especially if the dowel does not find sufficient rotational resistance in the building.
  • the anti-twist device supports or enables a simple, fast, reliable and / or efficient attachment of the insulating board to the building.
  • the anti-rotation is designed such that by turning the plug engagement or snapping the rotation is possible.
  • the rotation is designed such that it acts only in one direction of rotation, in particular only in the direction of rotation, in which a screw is screwed for spreading the anchor. This is conducive to optimal engagement of the rotation.
  • the dowel on its dowel head on a particular lateral or peripheral recess, into which engages a particular tooth-like engagement portion, which is in particular formed on or on the conical receptacle of the fastener as rotation in the installed state.
  • the dowel has a plurality of recesses into which one or more engagement portions of the fastener can engage.
  • a particularly effective anti-rotation is realized.
  • the dowel on a dowel head which is preferably more resilient in the axial direction than the fastener.
  • the dowel head which bears or is supported axially against the fastening element, is compressed in the axial direction and at least essentially no or a slight axial deformation of the fastener takes place.
  • an undesirable local load or deformation of the insulating board or the insulating material of the insulating board, particularly preferably a more rigid layer of the insulating board can be avoided, even if the screw is screwed in too far or too strong. Accordingly, such a simple and secure attachment of the insulation board is made possible or supported on the building.
  • the dowel head in particular in the region between a receiving end for a screw head and the fastener facing the end weaknesses.
  • the recesses are also used to form the aforementioned rotation.
  • the retaining element of the fastening element preferably has radial ribs and / or a circular reinforcing section in order to form the retaining section in a particularly dimensionally stable manner.
  • This allows a very good and uniform load distribution or force transmission or power transmission between the fastener or the holding section on the one hand and the insulation board or the insulating material or a more rigid layer of the insulation board on the other. Demenschend is thus a safe and resilient or robust attachment of the insulation board allows or supported.
  • the ribs are particularly preferably additional to a rotationally fixed installation or engagement of the fastener in the insulation board. This allows in turn in particular the rotation of the anchor, since then also the fastener is coupled as non-rotatably with the insulation board.
  • the circular reinforcing portion preferably forms a peripheral edge of the holding portion of the fastener.
  • the holding section preferably has a plurality of openings, wherein the opening area of the openings is more than 10%, in particular more than 15%, particularly preferably more than 20%, of the entire area of the holding section.
  • the opening area of the openings is more than 10%, in particular more than 15%, particularly preferably more than 20%, of the entire area of the holding section.
  • Fig. 1 shows in a very schematic, not to scale cut a proposed system 1 for fixing an insulation board 2 with at least one, preferably embedded or introduced fastener 3. In the neckline according to Fig. 1 only one fastener 3 is shown.
  • Fig. 2 shows the insulation board 2 in a plan view. There are several embedded or introduced fasteners 3 indicated by dashed lines.
  • Fig. 3 shows in a very schematic, not to scale cut the preferred proposed insulation system or system 1, wherein the proposed insulation board 2 by means of a fastener 3 and in particular a not shown here dowel 5 is attached to a building 4.
  • Is shown in Fig. 3 a section or part of the system 1 or the insulating board 2 with a fastening element 3 or in the region of a fastening element. 3
  • an insulating panel 2 and each insulation board 2 are assigned a plurality of fasteners 3, as exemplified in the plan view Fig. 2 shown.
  • a plurality of insulation panels 2 are arranged in abutment and / or form a plurality of insulation panels 2 a possible continuous insulation layer for insulation of the structure. 4
  • the insulation board 2 is used in particular for thermal insulation or thermal insulation.
  • the insulation board 2 is made of appropriate insulation materials (heat insulation materials), preferably made of foamed materials, as already explained above.
  • the insulation board 2 is preferably at least substantially parallelepiped-shaped and / or rectangular in a plan view of the insulation board 2, in particular square, formed as from Fig. 2 seen.
  • the insulation board 2 may in principle also have any other shape.
  • the insulation board 2 usually has a thickness of several cm, in particular of at least 6 cm or 10 cm and / or at most 30 cm or 16 cm.
  • the insulation board 2 is preferably fastened with a flat side on the structure 4.
  • This flat side is the structure 4 in the installed state facing side of the insulation board 2 and is hereinafter referred to as building site 2A.
  • the building 4 facing away in the installed state flat side of the insulation board 2 is hereinafter referred to as the outside 2C.
  • the building 4 is in particular a building, a wall, a wall, particularly preferably an exterior wall, a ceiling or the like.
  • the insulation board 2 is preferably attached directly to the building 4 or its surface 4A with its building side 2A mountable. However, between the structure 4 and the insulation board 2 - at least in regions, but possibly also over the entire surface - a cavity or a layer 4B, such as an intermediate layer or bonding layer, particularly preferably for compensating for unevenness and / or for bonding or gluing, as in Fig. 3 indicated, be provided.
  • the insulating board 2 with the building 4 or its surface 4A cohesively, in particular by gluing, and / or non-positively, in particular by screwing or pegging, or otherwise connected.
  • the surface 4A of the structure 4 may be formed in particular by a plaster, masonry or the like.
  • the surface 4A can form or represent a facade of the structure 4.
  • the fastening element 3 is preferably formed at least substantially flat, lattice-like, rib-like, plate-like and / or plate-like.
  • the fastening element 3 has a flat, grid-like, rib-like, plate-like and / or plate-like holding section 3A.
  • the fastening element 3 or its holding portion 3A is formed in particular substantially disc-like or circular disk-like, as from Fig. 1, 2 and 3 seen.
  • the fastening element 3 or the holding section 3A in particular a main extension plane of the fastening element 3 or section 3A, is arranged at least substantially parallel to the building side 2A.
  • the fastening element 3 or its holding section 3A is preferably at least close to the building in the insulation board 2 or adjacent to or arranged on the building side 2A.
  • the fastening element 3 is arranged closer to the structure side 2A than to the outside 2C of the insulation board 2, particularly preferably in a range of 5% to 30% of the total thickness of the insulation board 2. This relates in particular to the main extension plane of the building side 2A facing flat side of the fastening element 3.
  • the fastening element 3 is preferably in the insulation board 2 - in particular already factory - embedded or introduced, in particular completely.
  • the insulation board 2 is preferably constructed in a multi-layered or two-layered manner.
  • the insulation board 2 has a first layer 21 and a second layer 22.
  • the second layer 22 is formed by one or more, preferably plate-shaped, elements which are embedded in the first layer 21.
  • the first layer 21 covers the fastening element 3 or its holding section 3A - in particular in the fastening state or after the attachment of the insulating board 2 to the structure 4, as in FIG Fig. 8 shown - preferably at least substantially on the outside, in particular completely.
  • the first layer 21 has or forms the outside 2C.
  • the second layer 22 preferably covers the fastening element 3 or its holding section 3 at least substantially on the building side, in particular completely.
  • the second layer 22 has the construction site side 2A or forms it at least partially.
  • the fastening element 3 or its holding section 3A is preferably arranged at least substantially at or in the region of the interface between the first layer 21 and the second layer 22 and / or in the first layer 21.
  • the fastening element 3 is introduced, pressed in, inserted or embedded in the first layer 21, very particularly preferably such that the fastening element 3 is at least substantially flush with the second layer 22 facing flat side of the first layer 21.
  • the fastening element 3 is particularly preferably inserted, inserted, pressed in or foamed into depressions 2B of the first layer 21.
  • the fastener 3 is preferably made of plastic and / or another, preferably harder, stiffer, stronger and / or more resilient material than the insulation panels 2.
  • the fastener 3 is injection molded.
  • the first layer 21 is preferably thicker than the second layer 22, more preferably more than twice or three times.
  • the thickness of the first layer 21 is preferably more than 80 mm, in particular more than 100 mm, particularly preferably about 120 mm or more.
  • the second layer 22 preferably has a thickness of more than 10 mm, in particular about 20 mm or more, and / or less than 40 mm, in particular about 30 mm or less.
  • the thickness of the second layer 22 is preferably about 5% to 30% of the total thickness of the insulation board 2 or both layers 21, 22nd
  • the second layer 22 is preferably harder, stiffer, stronger and / or stronger than the first layer 21.
  • the second layer 22 preferably has a higher flexural rigidity than the first layer 21, in particular at least twice the flexural rigidity.
  • Bending stiffness is a measure of the resistance of an applied force to bending deformation for a component, and is preferably determined by that only the first layer 21 in the form of a plate with a predetermined dimension, in particular with a thickness of 20 mm and in the size 50 cm x 100 cm, on the narrow sides, for example, each in an edge region of 1 cm, placed and centered with a predetermined weight, for example, of 5 kg, with a defined area, preferably a circular area with 60, 90 or 100 mm diameter, is centrally loaded.
  • the reciprocal of the deflection of the plate at a defined force then corresponds to the bending stiffness.
  • the bending stiffness for the second layer 22 can be determined in the form of a correspondingly large and thick plate.
  • the thickness of the plates also the thickness of the respective layer 21 and 22 of the insulating board 2, for example 20 to 30 mm for the second plate or layer 22 and for example about 100 to 150 mm for the first plate or Layer 21, correspond.
  • the material of the second layer 22 has a higher compressive strength than the material of the first layer 21.
  • the compressive strength of the second layer 22 is more than twice or three times as high as the compressive strength of the first layer 21.
  • the compressive strength represents a material characteristic value and is preferably determined by loading the material with a rigid round plate or end face of a cylinder, particularly preferably with a diameter of 60, 90 or 100 mm.
  • the compressive strength of the material of the second layer 22 is so high that the plate or cylinder at a load of more than 1500 N, less than 5 mm, especially less than 4 mm, more preferably about 3 mm or less, elastic or plastic is pressed. In the case of the material of the first layer 21, the compressive strength is much lower.
  • the bending strength of the material of the second layer 22 is preferably greater than that of the material of the first layer 21, in particular more than twice or three times as large.
  • the flexural strength is preferably determined according to EN 1208: 2013-06, test method B for specimens.
  • the density of the material of the second layer 22 is preferably higher than the density of the material of the first layer 21.
  • the density of the material of the first layer 21 is preferably less than 30 kg / m 3 , in particular less than 25 kg / m 3 , particularly preferably about 20 kg / m 3 or less.
  • the density of the material of the second layer 22 is preferably more than 30 kg / m 3 , in particular more than 50 kg / m 3 , particularly preferably about 100 kg / m 3 or more.
  • the first layer 21 is made of a first, preferably foamed insulating material and the second layer 22 of a second, preferably foamed insulating material.
  • Insulating materials according to the present invention preferably have a thermal conductivity ⁇ of less than 0.06 W / (m ⁇ K).
  • the thermal conductivity of the first layer 21 is less than that of the second layer 22.
  • the material of the first layer 21 is particularly preferably an expanded polystyrene rigid foam, also called EPS.
  • the material of the second layer 22 is in particular an extruded polystyrene hard foam, also called XPS.
  • XPS extruded polystyrene hard foam
  • EPS expanded polystyrene rigid foam
  • the insulation board 2 preferably forms a prefabricated structural unit with the embedded fastening elements 3.
  • the fastening elements 3 into the two-layered or multi-layered insulating panel 2 in the desired manner only on site or on the construction site, in particular by means of the first layer 21 or from the outside and / or by means of the or is carried out by the holes preferably provided at the factory or recesses 2D.
  • the fastening element 3 can transfer the load to the loadable or stiff second layer 22 or vice versa, the second layer 22 having a large area or over the entire surface - in particular with the exception of the fastening elements 3 or recesses 2B - with the first layer 21 is connected and accordingly provides for a large-scale load distribution and / or transmission of the second layer 22 on the first layer 21 and vice versa.
  • the insulation board 2 is constructed in particular only two layers. However, the insulating board 2, if necessary or optionally also an additional layer, in particular on the outside 2C a cover layer of another or other material, in particular of another foamed material, o. The like.
  • the fastening element 3 preferably has an opening 3B in order to connect the fastening element 3 to the building 4 in a positive and / or non-positive manner, in particular by screwing and / or by means of a dowel connection.
  • the opening 3B is preferably arranged centrally on or in the fastening element 3 and / or in particular already formed in terms of manufacturing in the fastener 3, but may alternatively be formed or opened only locally on the mounting of the insulating board 2 to the structure 4, for example by drilling ,
  • the fastening element 3 preferably has a positioning means, which is formed here in particular by a projection 3C.
  • the positioning means or the projection 3C is preferably used for positioning the fastening element 3 on the insulating board 2 or first layer 21 and / or positioning, guiding and / or abutment of a connecting means, such as a dowel 5 and / or a screw 6, for connection of the fastening element 3 with the structure 4th
  • the insulation board 2, in particular the first layer 21, preferably has at least one recess 2D, in particular with at least substantially cylindrical shape or in the form of a bore, preferably with the recess 2D for receiving or positioning the fastening element 3 , in particular of the projection 3C, and / or for fastening the insulation board 2 to the structure 4 from the outside or the outside 2C is provided, as explained in more detail below.
  • the fastening element 3 is or is preferably introduced or foamed with its positioning means or projection 3C in the associated recess 2D of the insulation board 2 and / or arranged coaxially thereto.
  • the recess 2D preferably extends transversely or perpendicular to the plane of the plate or main extension plane of the insulation board 2 and / or from the outside 2C in the direction of the fastening element 3 or toward the building side 2A, in particular up to the fastening element 3.
  • the recess 2D is formed or provided only in the first layer 21, as in particular in the schematic section according to FIG Fig. 1 indicated.
  • Fig. 3 shows, however, already applied to the structure 4 or at least initially provisionally fixed, in particular only glued, insulation board 2 with pierced second layer 22 and drilled structure. 4
  • the positioning means or the projection 3C is preferably integrally formed or molded onto the fastening element 3 and / or arranged on the insulating panel side.
  • the projection 3C joins on the insulation board side to the opening 3B of the fastening element 3 or forms it.
  • the projection 3C is preferably formed sleeve-like or hollow cylindrical and / or thick-walled.
  • the positioning means or the projection 3C is preferably provided with an inner insertion bevel 3D.
  • This is in particular at least substantially conical. However, this can also be formed by distributed over the circumference guide ribs, bevels o. The like.
  • the positioning means or the projection 3C is preferably relatively short.
  • the axial length of the positioning means or projection 3C is more than 0.5 cm and / or less than 4 cm.
  • the positioning means or the projection 3C is formed in particular short in relation to the thickness of the insulation board 2 and the length of the opening 2D.
  • the positioning means or the projection 3C can also be made longer, in particular for better guidance.
  • the diameter of the recess 2D is more than 25%, in particular more than 50%, larger than the inner diameter of the opening 3B, so that the insertion of the dowel 5 and the screw 6 or other connecting element is facilitated.
  • the - in particular preassembled or provided with fasteners 3 - insulation board 2 is preferably positively and / or non-positively, in particular by screwing or pegging, attached to the structure 4.
  • the insulation board 2 is first adhered to the structure 4 or its surface 4A.
  • a first or alternative or temporary connection of the insulation board 2 is achieved with the structure 4.
  • the optional layer 4B serves to bond and / or compensate for unevenness or the like.
  • first or temporary connection can also be done in any other suitable manner or alternatively be achieved by holding the respective insulation board 2 on the building 4.
  • the fastening element 3 with the building 4 (permanently or highly loadable or additional) connected, preferably non-positively and / or positively, in particular by screwing or a dowel connection or in any other suitable manner.
  • This bonding of the insulating board 2 in addition to the gluing preferably takes place in the case of several or all fastening elements 3, even if this is described below by way of example only for one fastening element 3.
  • a bore 4C is produced in the structure 4 for (permanent) attachment of the insulation board 2 to the structure 4 preferably by the fastening element 3 and / or the insulation board 2, in total the additional layer 22 . bored into structure 4, as in Fig. 3 shown.
  • the bore 4C is preferably produced by means of a tool, in particular a drill 9, in the insulation board 2 and / or the structure 4, as in FIG Fig. 3 shown.
  • the drill 9 is designed as a stone or concrete drill and / or universal drill.
  • the drill 9 is preferably so long that the structure 4 can be drilled through the insulation board 2. Particularly preferably, the drill 9 has a length of at least 10 cm or 20 cm, in particular of at least 25 cm.
  • the system or kit 1 for attachment of the insulating board 2 to the building 4 preferably at least one protective sleeve 8 and / or is used in the proposed method for fixing the insulating board 2 to the structure 4 at least temporarily a protective sleeve 8 or used.
  • a protective sleeve 8 is used to protect the insulating board 2 - at least in the area of the recess 2D or laterally around the protective sleeve 8 - from damage by the drill 9 and / or the drill 9 in the insulating board 2 or to the fastening element 3 or its opening 3B or insertion bevel 3D align and / or radially lead or store.
  • the protective sleeve 8 is particularly preferably introduced or introduced at least partially into the insulating panel 2 or recess 2D from the side or outer side 2C facing away from the building 4, in particular together with the drill 9.
  • the protective sleeve 8 in particular protects the (soft) insulating material surrounding the recess 2D against damage during insertion of the drill 9 into the recess 2D and / or during drilling.
  • the drill 9 is taken out of the insulating board 2 - in particular together with the protective sleeve 8 - taken out or pulled out.
  • the dowel 5, preferably with preassembled expansion element, in particular with partially screwed screw 6, is then inserted into the insulation board 2 or its recess 2D.
  • a tool 7 is then preferably used for further insertion.
  • Fig. 4 shown which corresponds to a schematic section (detail) Fig. 3 shows.
  • a screwdriver or other available on the site hand tool can be used.
  • a tool 7 is used, which is preferably used both for (correct) insertion and for clamping or tightening the dowel connection, in particular for screwing.
  • the tool 7 preferably has a tool head 7A, a shank 7B, a first guide section 7C, a second guide section 7D, a first marking means 7E and / or a second marking means 7F.
  • the tool head 7A is preferably a bit, a so-called six-round or other insert or polygonal key which can be brought into engagement with the expansion element or the screw 6 or its screw head 6A and / or preferably in a positive-locking or rotationally fixed manner is interchangeable.
  • the tool 7 or the shaft 7B is preferably designed to be received in a screwdriver or the like, and / or is preferably designed as a polygon, at least in regions.
  • the first guide section 7C is preferably formed by a corresponding body, preferably made of plastic, and / or arranged in the region of a receptacle for the tool head 7A.
  • the first guide section 7C permits in particular lateral guidance and / or centering of the tool head 7A, in particular for concentric alignment with the screw head 6A.
  • the screw 6 is in turn by the fastener 3 and the opening 3B or the insertion bevel 3D, in particular by means of the inserted dowel 5 or adjacent thereto dowel 5, held or guided centrally or coaxially.
  • the second guide portion 7D is preferably axially adjustable, in particular by means of a grub screw, not shown, o. The like., On the tool 7 or its shaft 7B can be fixed, in particular for adaptation to different Dämmplattendicken.
  • the second guide section 7D permits, in particular, an additional lateral guide in the recess 2D or in the insulating material when the screw 6 is screwed in.
  • the first marking means 7E is preferably formed by a mark, a shoulder or the like.
  • the second marking means 7F is preferably formed by a mark, a shoulder, a stop or the like, as in FIG Fig. 2 indicated.
  • the two marking means 7E and 7F are preferably axially adjustable, in particular for adaptation to different Dämmplattendicken, anchor lengths and / or screw lengths.
  • the axial adjustability can be achieved, in particular, by the first and / or second marking means 7E, 7F being or being adjustable together with the second guide section 7D or being formed by it.
  • the marking means 7E, 7F may also be separately formed and / or adjustable.
  • Fig. 4 shows in one too Fig. 3
  • Fig. 4 shows in one too Fig. 3
  • FIG. 4 Corresponding, schematic section a state in which the dowel 5 is inserted or inserted so far together with the preferably partially screwed into the dowel screw 6 6, for example by means of the tool 7, that in the insertion direction front end of the dowel 5 already in the Near the fastener 3 or projection 3C and the insertion bevel 3D is located.
  • the dowel 5 and the screw 6 are still inside on the recess 2 D of the insulation board 2, so are not yet centrally guided or aligned. Rather, here the screw 6 or its head 6A and in particular the dowel 5 is still offset radially or transversely to the tool head 7A.
  • Fig. 5 shows a state in which the dowel 5 has already been introduced or inserted so far, in particular by means of the tool 7, that the front end in the insertion direction of the dowel 5 already the fastener 3 and the Beginning of the opening 3B of the fastener 3 and the insertion be achieved 3D.
  • the dowel 5 or its expansion element here the screw 6, and / or another connection means or element of the recess 2D or of the insulation board 2 and of the insulating material of the insulation board. 2 guided laterally (except the protective sleeve 8 remains in the insulation board 2, which is optionally possible).
  • the insertion bevel 3D and the subsequent opening 3B then serve in particular for (further) centering or axial positioning or guidance of the dowel 5 and thus also of the screw 6. Accordingly, in the illustration according to FIG Fig. 5 the screw 6 with its head 6A already aligned coaxially in the preferably centrally guided tool head 7A.
  • Fig. 6 shows in one too Fig. 3 to 5 Corresponding, schematic section fixing the insulation board 2 and the fastener 3 to the structure 4, wherein the dowel 5 is now fully inserted, in particular where the dowel 5 with its dowel head 5A on the fastener 3 and 3C projection or on the insertion bevel 3D comes to the plant.
  • This fully inserted state is preferably displayed to a user, not shown, by the first marking means 7E, in the illustrated example, in particular, in that the marking means 7E lies in the plane of the outside 2C of the insulating board 2, as in FIG Fig. 6 indicated.
  • the marking means 7E lies in the plane of the outside 2C of the insulating board 2, as in FIG Fig. 6 indicated.
  • other markings are possible.
  • the spreading of the anchor 5 takes place in the structure 4 or borehole 4C. This is done with the help of the expansion element, in particular by (further) screwing the screw 6.
  • the dowel connection is made. This condition is in Fig. 7 in one of the Fig. 3 to 6 corresponding section shown schematically.
  • the screw 6 is thus completely screwed into the dowel 5.
  • the screwing is done in particular by means of the tool 7.
  • This screwed-in state is preferably indicated by the second marking means 7F, here in particular in that a shoulder or a stop lies in the plane of the outer side 2C or comes to rest thereon.
  • the screw 6 with its screw head 6A preferably comes to rest on the dowel head 5A and / or on the fastening element 3 or projection 3C or its insertion bevel 3D.
  • the insulation board 2 is fixedly connected via the fastener 3 to the structure 4, in particular pegged, and thereby the Räumplatte is held sufficiently secure on the building 4 or 4 by the structure.
  • the tool 7 is removed and the recess 2D is closed in the insulation board 2. This closing is preferably carried out by a plug 2E, as in Fig. 8 indicated.
  • the plug 2E is preferably inserted by clamping into the insulation board 2 or its recess 2D. For example, but also a sticking is possible.
  • the plug 2E consists of the same insulating material as the insulation board 2 or a similar insulating material. Possibly. can the plug 2E also consist of an insulating material with better thermal insulation than the insulation board 2, since the length of the plug 2E is less than the thickness of the insulation board 2.
  • the preferred use of the same or similar insulating material for the plug 2E as for the insulation board 2 has the advantage that no introduction of different materials in the insulation board 2 takes place. This is particularly advantageous in terms of an outside cover or outside plastering of the system 1 and the insulation board 2, since otherwise often in the range of openings or fasteners resulting markings can be avoided. Furthermore, the use of this material to the effect that only varietal material in the insulation board 2 is present when the insulation board 2 later must be disposed of once (the fasteners 3 are located only on a flat side or the building side 2A, therefore, the insulation board 2 can be removed from the fasteners 3).
  • Fig. 8 is schematically indicated that the proposed system 1 or the proposed insulation board 2 is preferably covered on the outside, in particular by a plaster 2F.
  • This plaster 2F is, in particular, a mineral-based or plastic-based material or structure, or the like, which is preferably reinforced by a woven fabric.
  • the plaster 2F is preferably made very thin and forms in particular a relation to the insulation or the insulation board 2 relatively hard surface and / or protects the insulation board 2 from environmental influences, such as driving rain, compressive stress, solar radiation o.
  • the proposed system 1 for fixing the insulation board 2 preferably comprises at least one fastening element 3, in particular also an associated dowel 5 and optionally also the insulation board 2 to be fastened itself.
  • the fastening element 3 is in particular already factory-placed on the insulation board 2 or with this connected, particularly preferably integrated in the manner already described in the insulation board 2, embedded or foamed.
  • the fastening element 3 is particularly preferably held or positioned via its positioning means or the perforation 3B and / or the projection 3C and then foamed or foamed by the insulating material.
  • Fig. 9 shows in a schematic, perspective and exploded view of the fastener 3 and the associated dowel 5, wherein the dowel 5 is shown only partially or incompletely.
  • Fig. 10 shows in a schematic section, the fastener 3 with inserted or plugged dowels 5, wherein also the dowel 5 is shown incomplete or cut off.
  • Fig. 11 shows the complete dowel 5 in a schematic side view.
  • the fastening element 3 or the holding section 3A preferably has radial ribs 3E and / or a preferably circular or along a radius extending reinforcing section 3F, as in particular Fig. 9 shown, preferably in order to form the sheet-like holding section 3A as possible or largely rigid or rigid.
  • the reinforcing portion 3F preferably forms a peripheral edge of the holding portion 3A.
  • the reinforcing portion 3F or edge of the holding portion 3A may be thickened and / or formed bent.
  • the ribs 3E preferably extend from the central projection 3C to the edge of the holding portion 3A and / or the reinforcing portion 3F.
  • the ribs 3E are preferably web-like or formed as flat plate sections. Their main or surface extension planes preferably extend in each case radially and in the axial direction. This is preferably a largely rotationally fixed coupling of the fastener 3 with the insulation board 2 conducive because the insulation material between the ribs 3E engage and so can fix the fastener 3 in its rotational position.
  • the fastening element 3 or the holding section 3A is at least substantially flat or flat on its side facing the structure 4 or on its side facing away from the positioning means or projection 3C or the insertion bevels 3D.
  • This is in particular a uniform as possible thick training of the second layer 22 and the building side under the holding section 3A lying insulation layer of the insulation board 2 beneficial. This in turn is advantageous in terms of a uniform force application and distribution.
  • the plate plane or surface extension plane of the holding section 3A preferably runs radially and / or parallel to the flat sides of the insulating board 2.
  • the ribs 3E are preferably arranged on the side facing away from the structure 4 of the holding portion 3A.
  • the fastening element 3 is preferably formed integrally with the projection 3C, the ribs 3E and / or the reinforcing section 3F. Particularly preferably, the projection 3C, the ribs 3E and / or the reinforcing portion 3F are integrally formed.
  • the flexural rigidity of the fastening element 3 or of the holding section 3A is preferably greater than 50% and in particular greater than 100% greater than the bending stiffness of the second layer 22 or other insulating layer of the insulating board 2 lying below the retaining section 3A on the building side.
  • the holding section 3A preferably has a plurality of openings 3G. These are in particular arranged between the ribs 3E.
  • the openings 3G represent perforations 3B of the at least substantially plate-shaped holding section 3A.
  • the opening area of the openings 3G is preferably more than 10%, in particular more than 15%, particularly preferably more than 20%, of the entire area of the holding section 3A.
  • the entire area is in particular the circular area formed by the edge of the holding section 3A minus the cross-sectional area of the opening 3B of the fastening element 3 or is that area of the holding section 3A which would cause an axial abutment of the fastening element 3 in the insulating material without openings 3G.
  • the opening area is even more than 25% of the entire area of the holding section 3A.
  • the openings 3G are preferably formed at least substantially circular and / or arranged distributed over a circle or circumference of the holding portion 3A.
  • the openings 3G each have a diameter which is preferably more than twice as large, in particular more than three times as large as the diameter of the openings 3B and / or is more than 1 cm, in particular more than 1.5 cm.
  • the insulating material can be foamed better or more uniformly, in particular when using foamed plastic, and / or can better connect with the insulating material on the respective other side of the holding section 3A through the opening (s) 3G.
  • the two layers 21 and 22 can connect through the openings 3G.
  • the diameter of the holding portion 3A is preferably more than 6 cm, more preferably more than 7 cm, and more preferably more than 8 cm.
  • the diameter of the holding section 3A is preferably more than twice, in particular more than three times and particularly preferably about four times the diameter of the projection 3C or the associated recess 2B.
  • the dowel 5 is secured in the inserted state via an anti-rotation 10 positively on the fastener 3 against rotation relative to the fastener or securable, as in Fig. 10 indicated schematically.
  • the insertion bevel 3D of the fastener 3 or projection 3C in particular forms an abutment or a conical receptacle for a plug head 5A of the plug 5.
  • the plug head 5A denotes the end of the plug 5, to which the associated expansion element, here the screw. 6 , is inserted in the dowel 5.
  • the dowel 5 or the dowel head 5A preferably has at least one recess 5B for forming the anti-rotation device 10.
  • the recess 5B is preferably arranged on the outside and / or preferably extends at least substantially in the radial direction or toward a dowel shaft 5C of the dowel 5.
  • the dowel shaft 5C is preferably slotted at its end opposite the dowel head 5A, for example by a slot 5D, and / or otherwise formed to allow the desired spreading in the installed state, ie in the borehole 4C, in particular completely introduced spreader.
  • the dowel head 5A has a larger diameter than the dowel shaft 5C.
  • a shoulder 5E is preferably formed.
  • the shoulder 5E is preferably formed to be at least substantially complementary or similarly conical as the insertion bevel or receptacle 3D of the fastening element 3.
  • the dowel 5 or dowel head 5A preferably rests with the shoulder 5E in the installed state on the fastening element 3 or the abutment formed by the receptacle 3D, so as to secure the fastening element 3 in the installed state in a form-fitting manner in the axial direction against moving away from the building 4 ,
  • the recess 5B preferably extends into the shoulder 5E and / or is primarily arranged or formed there.
  • the recess 5B is preferably slit-like and / or sawtooth-shaped.
  • the recess 5B is preferably formed such that it has a flank extending in the axial direction with respect to the central axis or longitudinal axis A of the plug 5, as in FIG Fig. 11 indicated.
  • the other flank is preferably inclined, so not in the axial direction as the other flank.
  • the dowel 5 or dowel head 5A preferably has two or more recesses 5B distributed over the circumference.
  • the fastening element 3 or the conical seat 3D preferably has at least one engagement section 3H, which projects and projects in particular axially and / or tooth-like and / or is designed such that an engagement in a recess 5B is possible with inserted dowel 5 or compulsorily.
  • the state of "inserted dowel” describes the in Fig. 6, 7 and 8th illustrated state when the dowel 5 rests with its dowel head 5A and its shoulder 5E on the abutment formed by the fastening element 3, here on the insertion bevels or recording 3D.
  • the form-locking engagement preferably takes place only in one direction of rotation, specifically in the direction of rotation, in which the engagement portion 3H abuts the axially extending flank of the associated recess 5B. In the opposite direction of rotation, the engaging portion 3H may slide off the inclined flank.
  • the anti-rotation device 10 thus acts only in one direction of rotation, in particular only in the direction of rotation, in which the screw 6 is screwed into the dowel 5 for spreading.
  • two or more engagement sections 3H are arranged or formed on the attachment element 3 on the receptacle 3D.
  • the engagement portions 3H are preferably integrally formed or integrally formed with the attachment element 3 or projection 3C or the receptacle 3D.
  • the engagement portions 3H preferably form projections which engage in the recesses formed by the recesses 5B to form the anti-rotation device 10.
  • other constructive solutions are possible.
  • a kinematic reversal is possible to the effect that projections of the anchor 5 engage in recesses of the fastener 3.
  • the anti-rotation device 10 is arranged or formed between the conical seat 3D and the dowel head 5A or shoulder 5E.
  • the anti-rotation device 10 or at least one engagement section 3H is arranged or formed on the radially outwardly extending abutment, here the receptacle 3D of the attachment element 3.
  • the proposed anti-rotation 10 is very robust and / or easy to implement.
  • the dowel head 5A is designed to be more flexible in the axial direction than the fastening element 3 or the projection 3C or as the abutment for the dowel 5 formed overall by the fastening element 3.
  • the desired axial compliance can be achieved in particular by virtue of the fact that the plug head 5A can be compressed in the axial direction, in particular by corresponding weakening by the cutouts 5B or the like, and axial deformation under (excessive) load.
  • the dowel head 5A can also be made particularly flexible or compressible in that its conically widening opening for receiving the screw head 6A has a smaller opening angle to the axis A than the receptacle 3D to the axis A. This assists in radially dodging or deforming the dowel head 5A and facilitates axial yielding.
  • the dowel head 5A is more yielding in the axial direction than the fastening element 3. This is particularly advantageous in view of the fact that substantially too little or only small forces or deformations are transmitted to the fastening element 3 and thus also to the insulating board 2 if the expansion element is screwed in too tightly or too far. Thus, even with excessive screwing the screw 6, a defined and desired bearing behavior and / or a desired maximum load or deformation of the insulating board 2 can be maintained.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)
EP17020028.1A 2017-01-25 2017-01-25 Système de fixation d'une plaque isolante Active EP3354812B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17020028.1A EP3354812B1 (fr) 2017-01-25 2017-01-25 Système de fixation d'une plaque isolante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17020028.1A EP3354812B1 (fr) 2017-01-25 2017-01-25 Système de fixation d'une plaque isolante

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EP3354812A1 true EP3354812A1 (fr) 2018-08-01
EP3354812B1 EP3354812B1 (fr) 2023-07-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3763951A1 (fr) * 2019-07-12 2021-01-13 Austrotherm GmbH Plaque de fixation de panneaux d'isolation thermique

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8225725U1 (de) * 1982-09-13 1982-12-09 Upat Gmbh & Co, 7830 Emmendingen Isolierplatten-duebel
DE3244839A1 (de) * 1982-12-03 1984-06-07 Achim Ing.(grad.) 8000 München Hirsemann Daemmstoffhalter
CH671616A5 (en) * 1987-03-02 1989-09-15 Aerosmith Ag Wall fixture for unit such as insulating panel - consists of pin made of steel with plastics covered mushroom anchor
DE9410723U1 (de) * 1994-07-02 1994-12-22 Harald Zahn GmbH, 69168 Wiesloch Trittsicheres Befestigungselement für Dämm- und Dichtungsmaterial auf Flachdächern
EP1182361A2 (fr) * 2000-08-23 2002-02-27 Bernd Gräwe Système de fixation
WO2015110270A1 (fr) 2014-01-27 2015-07-30 Ejot Baubefestigungen Gmbh Panneau isolant, procédé de fabrication d'un panneau isolant, et utilisation d'un panneau isolant
DE202015005171U1 (de) 2015-06-25 2015-08-26 Ejot Baubefestigungen Gmbh Dämmplatte und System zur Wärmedämmung

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
DE9417927U1 (de) * 1994-11-09 1995-01-12 Harald Zahn GmbH, 69168 Wiesloch Befestigungselement für Dämm- und Dichtungsmaterial auf Flachdächern
DE202005002534U1 (de) * 2005-02-17 2006-06-29 Fischerwerke Artur Fischer Gmbh & Co. Kg Dämmstoffhalter
EP2639374B1 (fr) * 2012-03-16 2018-06-13 EJOT Baubefestigungen GmbH Fixation de plaques d'isolation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8225725U1 (de) * 1982-09-13 1982-12-09 Upat Gmbh & Co, 7830 Emmendingen Isolierplatten-duebel
DE3244839A1 (de) * 1982-12-03 1984-06-07 Achim Ing.(grad.) 8000 München Hirsemann Daemmstoffhalter
CH671616A5 (en) * 1987-03-02 1989-09-15 Aerosmith Ag Wall fixture for unit such as insulating panel - consists of pin made of steel with plastics covered mushroom anchor
DE9410723U1 (de) * 1994-07-02 1994-12-22 Harald Zahn GmbH, 69168 Wiesloch Trittsicheres Befestigungselement für Dämm- und Dichtungsmaterial auf Flachdächern
EP1182361A2 (fr) * 2000-08-23 2002-02-27 Bernd Gräwe Système de fixation
WO2015110270A1 (fr) 2014-01-27 2015-07-30 Ejot Baubefestigungen Gmbh Panneau isolant, procédé de fabrication d'un panneau isolant, et utilisation d'un panneau isolant
DE202015005171U1 (de) 2015-06-25 2015-08-26 Ejot Baubefestigungen Gmbh Dämmplatte und System zur Wärmedämmung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EN 1208, June 2013 (2013-06-01)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3763951A1 (fr) * 2019-07-12 2021-01-13 Austrotherm GmbH Plaque de fixation de panneaux d'isolation thermique

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