EP0528119A1 - Elément de fixation pour fixer des éléments d'isolation - Google Patents

Elément de fixation pour fixer des éléments d'isolation Download PDF

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Publication number
EP0528119A1
EP0528119A1 EP92109049A EP92109049A EP0528119A1 EP 0528119 A1 EP0528119 A1 EP 0528119A1 EP 92109049 A EP92109049 A EP 92109049A EP 92109049 A EP92109049 A EP 92109049A EP 0528119 A1 EP0528119 A1 EP 0528119A1
Authority
EP
European Patent Office
Prior art keywords
pressure plate
dowel
fastening element
element according
fastening
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
EP92109049A
Other languages
German (de)
English (en)
Other versions
EP0528119B1 (fr
Inventor
Ernst Hermann Dipl.-Ing. Riecke
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 Kunststofftechnik GmbH and Co KG
Original Assignee
Ejot Kunststofftechnik GmbH and Co KG
Ejot Adolf Boehl 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 Ejot Kunststofftechnik GmbH and Co KG, Ejot Adolf Boehl GmbH and Co KG filed Critical Ejot Kunststofftechnik GmbH and Co KG
Publication of EP0528119A1 publication Critical patent/EP0528119A1/fr
Application granted granted Critical
Publication of EP0528119B1 publication Critical patent/EP0528119B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E04B1/7633—Dowels with enlarged insulation retaining head
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3603—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer the fastening means being screws or nails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
    • E04F13/0835—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements

Definitions

  • the invention relates to a fastening element for fastening insulating elements, with a pressure plate, a dowel and an expansion element that can be inserted into the dowel through the pressure plate.
  • Fastening elements of the type mentioned are known for example from DE-PS 30 45 986 or EP-B1-74 469.
  • an abutment arranged on the outside of the insulating element must be created in order to be able to introduce the fastening forces into the insulating element.
  • this abutment is formed by a pressure plate, which rests on the outside of the insulating element and is anchored in the masonry or the wall via the dowel and the expansion element. This results in the need to transmit the holding forces to the insulating element via the pressure plate. From that again follows that the pressure plate must have sufficient strength to avoid damage even with large forces. Such large forces occur, for example, as wind forces or wind suction forces, which can have considerable values, particularly in the case of large building facades.
  • the invention has for its object to provide a fastener of the type described, which has a high strength, is easy to assemble and ensures a secure mounting of insulating elements with a minimum number of fasteners per m2, applicable even with a small thickness of the plaster and also is mountable below the reinforcement mesh.
  • the object is achieved in that the pressure plate is designed as an essentially flat, flat plate with a small, substantially constant thickness and is made of a high-strength plastic.
  • the fastening element according to the invention is characterized by a number of considerable advantages. Due to the flat, plate-like configuration, the fastening element protrudes only very slightly above the surface of the insulating element, so that there are no problems with regard to the application of the plaster. In addition, only a few dowels are required because the pressure plate can be formed over a large area because of their great strength. In particular, it is possible according to the invention to cover the fastening elements and / or the insulating element with a glass fiber mat (reinforcing fabric), which serves to anchor the plaster. The large area of the pressure plate ensures secure anchoring even with insulating elements which consist of fibers arranged perpendicular to the plane of the insulating element.
  • the inventive manufacture of the pressure plate from a high-strength material means that the stiffening ribs known from the prior art can be dispensed with, so that for the first time a very flat pressure plate was created which only protrudes to the smallest extent beyond the level of the insulating element.
  • the person skilled in the art had always considered it necessary to make the pressure plate convex and to provide it with stiffeners or thickened parts. According to the invention, a completely different path is now followed, namely a high-strength printing plate of larger diameter is used.
  • the pressure plate is provided with a large number of recesses. These recesses serve as penetration openings for anchoring the plaster layer to be applied, so that a secure anchoring of the plaster is ensured even with a larger area of the pressure plate.
  • the cross sections of the openings are designed so that a toothing, i. H. a positive connection with the plaster is obtained.
  • the recesses are arranged uniformly distributed over the entire surface of the printing plate and the printing plate is thus designed in a grid-like manner.
  • the individual ribs of this grid-like design of the pressure plate ensure a high degree of strength and bending stiffness. Very high wind suction forces can thus also be absorbed by the pressure plate.
  • the pressure plate is preferably made of a high quality plastic. This can advantageously have a glass fiber content of more than 30%, preferably more than 50%.
  • Polyamide is a suitable plastic for manufacturing the printing plate, but other plastics with corresponding properties can also be used. It is particularly advantageous if the plastic is self-extinguishing, so that there are no disadvantages with regard to fire protection regulations.
  • the pressure plate To connect the pressure plate to the dowel, it is preferably provided with a central, tubular extension through which the expansion element can be inserted into the dowel.
  • the pressure plate may be advantageous if the pressure plate is formed in one piece with the dowel. In this way, in particular the penetration of moisture into the masonry can be avoided.
  • the tubular extension for covering a head of the expansion element can be closed by means of a cover.
  • This protects the expansion element from corrosion, and on the other hand, the effect of moisture on the masonry is suppressed.
  • the cover can be formed in one piece with the pressure plate, wherein it is connected in a hinge-like manner to the pressure plate or the tubular extension via the connection area is.
  • the bore in the tubular extension is advantageously larger than the outer diameter of the dowel, whereby on the one hand axial forces can be transmitted to the pressure plate via the dowel, but on the other hand a certain radial play is obtained between the dowel shaft and the dowel plate.
  • This game is then advantageous to avoid dowel force swings that can result from system deformations.
  • At least three centering ribs are advantageously arranged in the bore of the tubular extension, which center the anchor shaft in the unloaded state, so that the handling of the anchor is simplified. These centering ribs consist either of a soft or a hard material, so that they are either deformed themselves or penetrate into the material of the dowel shaft, so that a relative movement of the dowel in the radial direction is possible relative to the pressure plate.
  • the fastening element according to the invention is thus of a very simple construction and can be produced inexpensively using the simplest devices. Furthermore, the assembly of the fastening element is very simplified, since it lies against the insulating element with a large area. Thus, compared to the prior art, only a very small number of fastening elements per m2 are required to achieve the same level of strength.
  • Nails, screws or pins can be used as expansion elements, which can optionally be provided with a covering in order to ensure a sealing contact at least in the outer region of the dowel and the pressure plate.
  • a first embodiment of the fastener according to the invention is shown.
  • This comprises a pressure plate 2, which is designed as a circular disk-shaped, flat plate.
  • the pressure plate 2 is provided with a recess 9, through which a spreading element 4, which is provided with a head 7, can be passed.
  • the central area of the pressure plate 2 is connected in one piece to a tubular extension 6 which merges into a dowel 3. It is also possible to manufacture the dowel 3 separately from the pressure plate.
  • the pressure plate and dowels are then locked together.
  • the dowel is designed as a conventional expansion dowel, the expansion element 4 can be designed in the form of a screw.
  • 1 shows a preassembled state in which the dowel 3 has not yet been spread.
  • the fastening element can thus be pushed through an insulating element 1 (insulating mat or insulating plate) and inserted into a borehole 10 which has been introduced into a masonry 11 in order to anchor the insulating element 1.
  • Fig. 2 shows a fully assembled state in which the dowel 3 is spread so that the fastening element is anchored in the masonry 11.
  • the head 7 of the expansion element 4 is completely inserted into the recesses 9, so that there is a substantially flat outer surface.
  • Fig. 3 shows a plan view of the pressure plate 2 according to the invention.
  • the pressure plate 2 is designed like a grid and has a plurality of uniformly arranged recesses 5, which for anchoring a plaster, not shown, to be subsequently applied to the insulating element 1 serves.
  • FIGS. 1-3 show a modified embodiment which differs from the embodiment of FIGS. 1-3 only by a cover 8.
  • the same parts have been given the same reference numbers, so that a repeated description can be omitted.
  • the cover 8 is formed in one piece with the pressure plate 2 in the region of the recess 9 and, as shown in FIG. 5, can be pivoted after completion of the assembly process in order to completely close the recess 9. This prevents moisture from entering the dowel cavity prevented, at the same time the head 7 of the expansion element 4 is covered towards the environment.
  • the dowel 3 and / or the cover of the pressure plate 2 is advantageously produced from an elastic thermoplastic in the injection molding process.
  • the cover also forms additional insulation and excludes a thermal bridge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Connection Of Plates (AREA)
  • Insulators (AREA)
  • Dowels (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP92109049A 1991-08-15 1992-05-29 Elément de fixation pour fixer des éléments d'isolation Expired - Lifetime EP0528119B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9110068U 1991-08-15
DE9110068U DE9110068U1 (de) 1991-08-15 1991-08-15 Befestigungselement zur Befestigung von Isolierelementen

Publications (2)

Publication Number Publication Date
EP0528119A1 true EP0528119A1 (fr) 1993-02-24
EP0528119B1 EP0528119B1 (fr) 1995-09-27

Family

ID=6870267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92109049A Expired - Lifetime EP0528119B1 (fr) 1991-08-15 1992-05-29 Elément de fixation pour fixer des éléments d'isolation

Country Status (4)

Country Link
EP (1) EP0528119B1 (fr)
AT (1) ATE128508T1 (fr)
DE (2) DE9110068U1 (fr)
DK (1) DK0528119T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0723053A1 (fr) 1995-01-18 1996-07-24 EJOT Kunststofftechnik GmbH & Co. KG Elément de fixation
CN100453751C (zh) * 2006-04-16 2009-01-21 泓泰复合材料(江阴)有限公司 复合保温板侧面隐形锚固件及其安装方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9411956U1 (de) * 1994-07-23 1994-09-22 Harald Zahn GmbH, 69168 Wiesloch Trittsicheres Befestigungselement für Dämm- und Dichtungsmaterial auf Flachdächern
DE19536171A1 (de) * 1995-09-28 1997-04-03 Ejot Kunststofftech Gmbh Befestigungselement für die Befestigung von wärmeisolierenden Materialien
DE19701122A1 (de) * 1996-11-21 1998-05-28 Peter Kellner Befestigungselement zur Befestigung von Fassaden und vergleichbaren Bauteilen
DE202005002534U1 (de) † 2005-02-17 2006-06-29 Fischerwerke Artur Fischer Gmbh & Co. Kg Dämmstoffhalter
FR2944303B1 (fr) * 2009-04-08 2016-02-12 Lr Etanco Atel Dispositif pour fixer un panneau d'un revetement, notamment de toiture ou de facade
DE202012011890U1 (de) * 2012-12-12 2014-03-13 Illinois Tool Works Inc. Dübelvorrichtung zur Befestigung von Dämmmaterial

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045986A1 (de) * 1980-12-05 1982-06-09 Adolf Böhl Schrauben- und Kunststoffwerk GmbH & Co, 5920 Bad Berleburg Befestigungselement fuer die befestigung von waermeisolierenden platten
CH645437A5 (en) * 1979-02-01 1984-09-28 Faester Befestigungstechnik Ag Dowel
EP0074469B1 (fr) * 1981-09-16 1986-03-05 EJOT Adolf Böhl GmbH & Co. KG Dispositif pour la fixation des matériaux calorifuges et insonores
CH657652A5 (en) * 1982-09-23 1986-09-15 Wolfgang Schugk Retainer for fastening insulating fibre mats - consists of plate with barbed plug inserted into mat
DE3717429A1 (de) * 1987-05-23 1988-12-08 Toge Duebel A Gerhard Gmbh Spreizduebel, insbesondere zur befestigung von leicht-isolations-platten an mauern
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH645437A5 (en) * 1979-02-01 1984-09-28 Faester Befestigungstechnik Ag Dowel
DE3045986A1 (de) * 1980-12-05 1982-06-09 Adolf Böhl Schrauben- und Kunststoffwerk GmbH & Co, 5920 Bad Berleburg Befestigungselement fuer die befestigung von waermeisolierenden platten
EP0074469B1 (fr) * 1981-09-16 1986-03-05 EJOT Adolf Böhl GmbH & Co. KG Dispositif pour la fixation des matériaux calorifuges et insonores
CH657652A5 (en) * 1982-09-23 1986-09-15 Wolfgang Schugk Retainer for fastening insulating fibre mats - consists of plate with barbed plug inserted into mat
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
DE3717429A1 (de) * 1987-05-23 1988-12-08 Toge Duebel A Gerhard Gmbh Spreizduebel, insbesondere zur befestigung von leicht-isolations-platten an mauern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0723053A1 (fr) 1995-01-18 1996-07-24 EJOT Kunststofftechnik GmbH & Co. KG Elément de fixation
CN100453751C (zh) * 2006-04-16 2009-01-21 泓泰复合材料(江阴)有限公司 复合保温板侧面隐形锚固件及其安装方法

Also Published As

Publication number Publication date
DE59203816D1 (de) 1995-11-02
EP0528119B1 (fr) 1995-09-27
DK0528119T3 (da) 1996-02-05
DE9110068U1 (de) 1991-10-31
ATE128508T1 (de) 1995-10-15

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