EP1261781A1 - Structure de toiture et moyen de fixation d'une couche etanche - Google Patents

Structure de toiture et moyen de fixation d'une couche etanche

Info

Publication number
EP1261781A1
EP1261781A1 EP01914264A EP01914264A EP1261781A1 EP 1261781 A1 EP1261781 A1 EP 1261781A1 EP 01914264 A EP01914264 A EP 01914264A EP 01914264 A EP01914264 A EP 01914264A EP 1261781 A1 EP1261781 A1 EP 1261781A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
joining
washer
layer
roof construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01914264A
Other languages
German (de)
English (en)
Inventor
Fredrik Rundgren
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.)
K-Plast Verktyg Och Beslag AB
Original Assignee
K-Plast Verktyg Och Beslag AB
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 K-Plast Verktyg Och Beslag AB filed Critical K-Plast Verktyg Och Beslag AB
Publication of EP1261781A1 publication Critical patent/EP1261781A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/147—Mechanical fastening means not perforating the flexible material
    • 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
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/145—Discrete fastening means, e.g. discs or clips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/148—Fastening means therefor fastening by gluing

Definitions

  • the present invention relates to a roof construction comprising a supporting substructure, an insulating layer, a sealing layer, and a device for fixing the sealing layer and the insulating layer to the substructure, said device including a plurality of attachment members, each including an anchoring element that is anchored to the substructure.
  • the invention also relates to a device for fixing a sealing layer and an insulating layer to a supporting substructure of a roof construction, said device including a plurality of attachment members, each including an anchoring element that is anchored to the substructure .
  • the insulating layer When externally insulating a roof construction, the insulating layer must be fixed to the supporting substructure, which can consist of concrete, lightweight concrete, wood, or sheet-metal. The fixing is accomplished with the aid of different types of attachment members, including anchoring elements, for instance nails or screws.
  • the sealing layer is built up of lengths of material of a specific width, which are adapted, with overlapping, to the c-c distance between consecutive rows of bracing legs in the components that make up the substructure. It is thus important that consecutive lengths of material overlap where said bracing legs occur. Consequently, one and the same c-c distance between bracing legs and material of a specific width must be used throughout the entire substructure to place the overlaps in specific positions within the locality of the bracing legs.
  • the object of the present invention is to eliminate the above-mentioned disadvantages and to provide a device in a roof construction to enable a wider sheet, such as 2 , . or 6 metres wide, instead of a plurality of lengths of material, to be used and the same to be placed over the insulating layer to cover it and previously anchored attachment members, whereupon the sheet-shaped covering layer can be fastened to the fixing members without regard to the location of joints, if any, in the sheet.
  • the roof construction as well as the device, is characterized in that the attachment member comprises
  • a sleeve having a through-running hole that is tapered within the anterior portion of the sleeve to form an internal seat for co-operating with a stop head on the anchoring element, said sleeve being shorter than the thickness of the insulating layer and is arranged to be telescopically displaceable in relation to the anchoring element,
  • a layer of an adhesive arranged on said joining surface to adhere to the sealing layer and to form a permanent joint between the sealing layer and the joining element .
  • Figure 1 is an exploded view of a roof construction in accordance with the invention with its various fundamental parts.
  • Figure 2 is a cross-section of part of the finished roof construction .
  • this shows, in an exploded view, fundamental parts of a roof construction including a substructure 1, an insulating layer 2, laid out on the substructure 1, and a thin sealing layer 3 of a plastic material, preferably polyvinyl chloride.
  • the substructure 1 can consist of concrete, lightweight concrete, wood, or sheet-metal.
  • the insulating layer 2 consists of a material having a certain load-bearing capacity so that it can support a person without being permanently compressed at the location of the load.
  • a suitable material for the insulating layer 2 is of a cellular-plastic type.
  • the sealing layer 3 is in the form of a sheet made of lengths of sealing material that have been joined together using a suitable method, for instance welding by the addition of heat.
  • the sheet can have a width of 2 , 4 or 6 metres, for instance.
  • the roof construction includes a device for fixing the sealing layer 3 and the insulating layer 2 to the substructure 1, said device including a plurality of multifunctional attachment members 4.
  • Each attachment member 4 includes an elongate, hollow sleeve 5 of a suitable plastic material, an anchoring element 6 in the shape of a nail, as shown, or a screw, and a rigid joining element 7, supported by the sleeve 5 at its upper end and having a level joining surface 8 that is perpendicular to the longitudinal axis of the sleeve.
  • the sleeve 5 has a through-running hole 9, which is tapered within the anterior portion 10 of the sleeve to form a narrower whole part 11 with an internal seat 12 for co-operating with a stop head 13 on the anchoring element 6.
  • the sleeve 5 is shorter than the thickness of the insulating layer 2 so that, when the sleeve 5 is in its unloaded state, the anterior end 14 of the sleeve 5 is located at a predetermined distance A from the substructure 1, the sleeve 5 being telescopically displaceable in relation to the anchoring element 6, downward towards the substructure 1 when loaded from above and upwards when said load is reduced, which upward displacement occurs in co-operation with the rigid joining element 7 and is a result of the spring-back force in the temporarily compressed insulating layer 2.
  • the distance B between the internal seat 12 and the posterior end 15 of the sleeve 5 is greater than said distance A between the anterior end 14 of the sleeve 5 and the substructure 1.
  • the anchoring element 6 is thereby prevented from obtruding out of the sleeve 5 and through the sealing layer 3 when the sleeve 5 is loaded.
  • Said distance A is at least 20 mm, whilst said distance B is at least 10 per cent of the thickness of the insulating layer 2 and not less than 15 mm.
  • the joining element 7 consists of an electrically conducting joining washer, preferably one that is round and made of a suitable metal material, such as steel plate.
  • the joining washer 7 is loosely connected to the sleeve 5 and to this end provided with a central hole 16 for receiving the sleeve 5 from its anterior end 14, the sleeve 5 being fashioned with a collar-like stop 17 at its posterior end 15 for co-operating with the joining washer 7.
  • the joining washer 7 is provided with a depressed central part 18 for receiving the collar 17.
  • the joining surface 8 has a predetermined minimum size to permit an effective joint between the sealing layer 3 and the joining washer 7 with the aid of an adhesive.
  • the joining washer 7 has a layer 19 of adhesive attached to the same.
  • the adhesive can be of any suitable type and material whatsoever.
  • An adhesive that can be favourably employed is one that is activated by heat, i.e. is transformed to sticky state, and is non-sticky at temperatures under about 30°C, for instance.
  • the layer 19 of adhesive can be applied to the joining surface 8 of the joining washer 7 by simply coating the joining surface 8 with a suitable adhesive in the form of a so-called primer, which, once solidified, attaches to the joining surface 8, forming a permanent joint therebetween.
  • the adhesive can also be of a type consisting of two components that are activated by heat to react chemically with each other and form a sticky mass that solidifies in the ambient temperature to form a permanent joint between the sealing layer 3 and the joining washer 7.
  • the sleeve can be provided at its posterior end with a snap element, located a short distance from the collar 17, that is somewhat larger than the thickness of the joining washer 7 so that the joining washer 7 can be snapped past the snap element and received between this and the collar to be retained in this position, inter alia, to facilitate the assembly procedure .
  • anchoring element 6 consists of a nail, such as illustrated in the drawings
  • a drill hole 20 for the nail 6 is pre-drilled into the substructure 1 and a drill hole 21 for the sleeve 5 is pre-drilled into the insulating layer 2.
  • the layer 19 of adhesive is activated by being heated with the aid of an external energy source so that the layer 19 of adhesive is transformed to sticky state for adhering to the sealing layer 3 thereby forming a permanent joint once it has solidified.
  • heat is applied to the layer 19 of adhesive from beneath, which heat is thus created in situ.
  • the energy is supplied from an external source (not shown) , generating heat in the joining washer 7 so that the layer 19 of adhesive is heated by the joining washer 7 to a raised temperature, over 30°C, for instance, to obtain said sticky state.
  • the heat in the joining washer 7 is preferably generated by induction.
  • a device (not shown) for employing this technique can comprise a high-frequency generator and induction apparatus.
  • the generator is connected to a voltage source, the existing electricity supply network, for instance.
  • the induction apparatus has a plane inductor, the copper threads of which are protected by a glass fibre sheet, intended to be brought into contact with the sealing layer 3 above a joining washer 7 of the kind described.
  • the induction apparatus can be designed as a handheld tool with a suitable control device on the handle for controlling the function of the induction coil.
  • energy is supplied to the joining washer 7 by generating an alternating magnetic field that induces a current in the enclosed joining washer 7 of suitable amperage so that heat is generated in the joining washer 7 and emitted to the layer 19 of adhesive, which is thereby softened and melts to a sticky state, which results in the now sticky layer 19 of adhesive adhering to the underside of the sealing layer 3 and in a permanent joint forming therebetween when the layer 19 of adhesive solidifies again after the induction apparatus has been removed.
  • the sealing layer 3 will be united by welding with each joining washer 7 in the roof construction .
  • Short-wave technique can also be used as an energy source, as can any other heat-generating technique that does not affect the sealing layer itself in any detrimental way.
  • Said joining surface 8 is at least 20 cm 2 , preferably at least 30 cm 2 and most preferred at least 35 cm 2 , to provide a sufficient adhesion area for each joining washer.
  • permanent joint means that it resists existing stresses in the roof construction. With the present invention, it is possible to achieve joints between the sealing layer and each attachment member that can tolerate loads of at least 1,500 N without breaking.
  • the joining element of metal for instance, can also be placed in the tool in which the sleeve with the collar is manufactured, the tool being modified so that a flange or similar is formed during the injection moulding in a position on the underside of the joining element so that the same becomes a unit with the sleeve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)

Abstract

La présente invention concerne une structure de toiture comportant un dispositif permettant de fixer à l'infrastructure (1) une couche étanche (3) et une couche isolante (2). Ce dispositif comporte des organes de retenue (4) dont les éléments d'ancrage (6) viennent s'ancrer dans l'infrastructure. Selon l'invention, l'organe de retenue comporte un manchon (5) traversé de part en part d'un alésage. Dans la partie antérieure (10) du manchon, l'alésage est pourvu d'un siège intérieur (12) coopérant avec une tête de butée (13) de l'élément d'ancrage (6) par rapport auquel le manchon est monté télescopique. L'extrémité postérieure du manchon supporte un élément de jonction rigide (7) à la surface de jonction (8) plane. Cette surface de fonction est enduite d'une couche (19) de colle la faisant tenir à la couche étanche (3) et servant de jonction permanente entre la couche étanche et l'élément de jonction. L'invention concerne également un tel dispositif de fixation.
EP01914264A 2000-03-10 2001-03-05 Structure de toiture et moyen de fixation d'une couche etanche Withdrawn EP1261781A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0000789 2000-03-10
SE0000789A SE516000C2 (sv) 2000-03-10 2000-03-10 Takkonstruktion samt anordning för fastmontering av ett tätskikt och ett isoleringsskikt
PCT/SE2001/000458 WO2001066867A1 (fr) 2000-03-10 2001-03-05 Structure de toiture et moyen de fixation d'une couche etanche

Publications (1)

Publication Number Publication Date
EP1261781A1 true EP1261781A1 (fr) 2002-12-04

Family

ID=20278754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01914264A Withdrawn EP1261781A1 (fr) 2000-03-10 2001-03-05 Structure de toiture et moyen de fixation d'une couche etanche

Country Status (4)

Country Link
EP (1) EP1261781A1 (fr)
AU (1) AU2001239611A1 (fr)
SE (1) SE516000C2 (fr)
WO (1) WO2001066867A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004007258T2 (de) * 2003-05-08 2008-03-06 Grp Refurbishment Systems Ltd. Bewegbare verbindung
GB0822952D0 (en) * 2008-12-16 2009-01-21 Led Lok Ltd Mounting lead sheet
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735210A1 (fr) 1995-03-31 1996-10-02 Adrian Alexander Robertson Fixation de membranes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH441680A (de) * 1966-09-26 1967-08-15 Ironflex Ag Befestigungseinrichtung für Folien aus Kunststoff
DK119897B (da) * 1969-08-25 1971-03-08 Kaehler & Co I Holdeskive til fastgøring af kompressible plader på et underlag.
FI60278C (fi) * 1980-10-20 1985-07-22 Rakennusruuvi Oy Faestdon
US5066181A (en) * 1987-01-21 1991-11-19 Stadler Ag Attachment element with large washer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735210A1 (fr) 1995-03-31 1996-10-02 Adrian Alexander Robertson Fixation de membranes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0166867A1

Also Published As

Publication number Publication date
SE0000789D0 (sv) 2000-03-10
SE516000C2 (sv) 2001-11-05
AU2001239611A1 (en) 2001-09-17
SE0000789L (sv) 2001-09-11
WO2001066867A1 (fr) 2001-09-13

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