EP3751069A1 - Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support - Google Patents

Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support Download PDF

Info

Publication number
EP3751069A1
EP3751069A1 EP19179936.0A EP19179936A EP3751069A1 EP 3751069 A1 EP3751069 A1 EP 3751069A1 EP 19179936 A EP19179936 A EP 19179936A EP 3751069 A1 EP3751069 A1 EP 3751069A1
Authority
EP
European Patent Office
Prior art keywords
fastening system
sleeve
face skin
sandwich
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
EP19179936.0A
Other languages
German (de)
English (en)
Other versions
EP3751069B1 (fr
Inventor
Jyrki Kesti
Erkki Honkakoski
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.)
Rautaruukki Oyj
Original Assignee
Rautaruukki Oyj
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 Rautaruukki Oyj filed Critical Rautaruukki Oyj
Priority to EP19179936.0A priority Critical patent/EP3751069B1/fr
Priority to LTEP19179936.0T priority patent/LT3751069T/lt
Priority to PL19179936T priority patent/PL3751069T3/pl
Publication of EP3751069A1 publication Critical patent/EP3751069A1/fr
Application granted granted Critical
Publication of EP3751069B1 publication Critical patent/EP3751069B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04F13/0866—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 composed of several layers, e.g. sandwich panels or layered panels
    • 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
    • E04F13/0846—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements engaging holes or grooves in the side faces of the covering elements
    • 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
    • E04F13/0875—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 having a basic insulating layer and at least one covering layer
    • 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
    • E04F13/12—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 of metal or with an outer layer of metal or enameled metal

Definitions

  • the present invention relates to a fastening system for fastening sandwich-structured composite panels to a support structure.
  • a fastening system for fastening sandwich-structured composite panels to a support structure.
  • Sandwich-structured composite panels are fastened to the support structure by screws.
  • thick sandwich-structured composite panels are used as thermally insulated façade cladding panel elements, partition wall panel elements or ceiling panel elements.
  • the thickness of the panel may be e.g. 230 mm.
  • the length of the screw is usually about 30...40mm longer than the thickness of the panel. Long screws are needed for fastening the panels to the support structure since the screw extends through and beyond the whole thickness of the panel, and when tightened, the screwhead abuts against the outer surface of the panel. Long screws have a drawback that they are costly.
  • the objective of the invention is to alleviate the disadvantages mentioned above.
  • the present invention provides a fastening system for fastening sandwich-structured composite panels to a support structure.
  • the fastening system comprises a sandwich-structured composite panel comprising a first face skin of sheet metal, a second face skin of sheet metal, and a core made of thermally insulating material arranged between the first face skin and the second face skin. The first and second face skins are attached to the core.
  • the fastening system further comprises a fastener for fastening the sandwich-structured composite panel to the support structure.
  • the fastening system comprises an installation hole formed through the first face skin and the core, and an elongated sleeve insertable into the installation hole.
  • the sleeve is made of non-metallic, galvanically isolating and thermally insulating material.
  • the sleeve comprises a tubular portion having a first end and a second end.
  • the sleeve has a hollow interior defined by a side wall of the tubular portion.
  • the sleeve further comprises a bottom wall at a second end and a collar flange encircling an open mouth at the first end.
  • the sleeve has a length extending in the installation hole from the first face skin towards the second face skin.
  • the sleeve forms an installation guide for the fastener which is insertable into the interior and fastenable through the bottom wall. When the sleeve is in the installation hole, the collar flange abuts against an outer surface of the first face skin. The fastener being fastened to the support structure presses the second face skin against the support structure.
  • the technical effect of the invention is that the fastening system enables easy and fast panel installation with short and cheap screws.
  • the sandwich-structured composite panel can be provided by factory-made installation holes.
  • the sleeve can be installed into the installation hole either in the factory or on the site.
  • a short fastener is attached through a pre-manufactured hole in the bottom of the sleeve into the support structure.
  • the pre-manufactured hole may be drilled or punched, for example.
  • the sleeve is equipped with a collar flange round the outer face skin in order to enable wind suction load transfer to the support structure. Because the length of the sleeve may match exactly with the panel thickness, there is no risk for failures in the outer face skin during fastening.
  • the sleeve has a length corresponding to a combined thickness of the core and the first face skin, whereby when the sleeve is in the installation hole, the bottom wall abuts against an inner surface of the second face skin.
  • the fastener is at least one of a metal screw, a wood screw, a self-drilling screw, a self-tapping screw, a concrete fastener.
  • the sleeve is made of plastic-based material.
  • the core comprises foamed polyurethane.
  • the core comprises polyisocyanurate (PIR).
  • the core comprises mineral wool.
  • the core may be a board of foamed polyurethane, polyisocyanurate or mineral wool or any combination thereof.
  • the sandwich-structured composite panel is a façade cladding panel element, or a partition wall panel element, or a ceiling panel element.
  • the fastening system comprises a flashing to cover a seam between two sandwich-structured composite panels which are adjacently next to each other, the flashing having two parallel longitudinal edges both of the edges having an overbent portion forming a U-shaped groove.
  • the flashing is attached by the aid of the collar flanges of the sleeves.
  • the collar flange comprises a stepped flange portion insertable to said U-shaped groove for attaching the flashing.
  • the fastening system comprises a cap attachable to the mouth of the sleeve.
  • the cap has a cap flange portion extending over and beyond the periphery of the collar flange of the sleeve.
  • the flashing is attached by the aid of the cap flange portions, the cap flange portions being insertable to said U-shaped groove for attaching the flashing.
  • the present invention provides use of the fastening system according to the first aspect for fastening of sandwich-structured composite façade cladding panel elements or partition wall panel elements or ceiling panel elements to a support structure
  • Figures 1 , 2a and 2b show a fastening system for fastening sandwich-structured composite panels 1 to a support structure 2.
  • the sandwich-structured composite panel 1 may be a façade cladding panel element, or a partition wall panel element, or a ceiling panel element.
  • the fastening system comprises a sandwich-structured composite panel 1 comprising a first face skin 3 of sheet metal, a second face skin 4 of sheet metal, and a core 5 made of thermally insulating material arranged between the first face skin 3 and the second face skin 4.
  • the core 5 may comprise foamed polyurethane or foamed polyisocyanurate (PIR) or mineral wool.
  • the core 5 may be a board of foamed polyurethane or foamed polyisocyanurate (PIR) or mineral wool or a combination thereof.
  • the first face skin 3 and the second face skin 4 are attached to the core 5.
  • the fastening system further comprises a fastener 6 for fastening the sandwich-structured composite panel 1 to the support structure 2.
  • the fastener 6 may be a a metal screw, a wood screw, a self-drilling screw, a self-tapping screw or a concrete fastener.
  • the type of the fastener is chosen suitably depending on the structure and material of the support structure 2 (e.g. metal, wood or concrete).
  • the fastening system comprises an installation hole 7 formed through the first face skin 3 and the core 5.
  • the sleeve 8 is insertable into the installation hole 7.
  • the sleeve 8 is made of non-metallic, galvanically isolating and thermally insulating material.
  • the sleeve is made of plastic-based material.
  • the sleeve 8 comprises a tubular portion 9 having a first end 10 and a second end 11.
  • a hollow interior 12 is defined by a side wall 13 of the tubular portion 9.
  • a bottom wall 14 is at a second end 11.
  • a collar flange 15 encircles an open mouth 16 at the first end 10.
  • the sleeve 8 has a length L1 extending in the installation hole 7 from the first face skin 3 towards the second face skin 4 to a shorter distance than the thickness of the panel 1.
  • the sleeve 8 forms an installation guide for the fastener 6 which is insertable into the interior 12 of the sleeve 8 and fastenable through the bottom wall 14 of the sleeve 8.
  • the collar flange 15 abuts against an outer surface 18 of the first face skin 3 and the fastener 6 being fastened to the support structure 2 pressing the second face skin 4 against the support structure 2.
  • there is a member 100 of resilient material installed between the bottom wall 14 of the sleeve and the inner surface 17 of the second face skin 4.
  • the sleeve 8 has a length L2 corresponding to a combined thickness of the core 5 and the first face skin 3.
  • the sleeve 8 forms an installation guide for the fastener 6 which is insertable into the interior 12 and fastenable through the bottom wall 14.
  • the bottom wall 14 abuts against an inner surface 17 of the second face skin 4 and the collar flange 15 abuts against an outer surface 18 of the first face skin 3.
  • the fastener 6, in this example self-drilling screw 6 is screwed through the second face skin 4 to the support structure 2, the screwhead of the screw 6 becomes pressed against the wall bottom 14, and the wall bottom 14 presses the second face skin 4 firmly against the support structure 2.
  • FIG 3 shows that in one embodiment the sleeve 8 is equipped with a fastener 6 which is pre-installed in the interior 12 of the sleeve 8, so that the fastener 6 is readily fastenable after the sleeve 8 has been installed into the installation hole 7 of the panel 1 at the building site.
  • the sleeve 8 may be either factory installed in the installation hole 7, or the sleeve 8 can be installed therein at the building site.
  • the installation holes 7 are factory made in the panel 1.
  • the diameter of the installation hole 7 is of the order 20 ... 25 mm, for example.
  • the outer diameter of the tubular portion 9 of the sleeve 8 is 20 ... 25 mm, for example.
  • the first face skin and the second face skin may be made of aluminum or steel.
  • the thickness of the first face skin and the second face skin is less than 1 mm, preferably 0,5 ... 0,6 mm.
  • the thickness of the panel 1 may be e.g. 100 ... 230 mm.
  • the fastening system may comprise a flashing 19 to cover a seam 20 between two sandwich-structured composite panels 1 which are adjacently next to each other.
  • the flashing 19 has two parallel longitudinal edges 21, 22 both of the edges having an overbent portion 23 forming a U-shaped groove 24.
  • the flashing 19 is attached by the aid of the collar flanges 15 of the sleeves 8.
  • the collar flange 15 comprises a stepped flange portion 25 insertable to said U-shaped groove 24 for attaching the flashing 19.
  • the fastening system comprises a cap 26 attachable to the mouth 16 of the sleeve 8.
  • the cap 26 has a cap flange portion 27 extending over and beyond the periphery of the collar flange 15 of the sleeve 8.
  • the flashing 19 is attached by the aid of the cap flange portions 27 which are insertable to the U-shaped groove 24 for attaching the flashing 19.
  • Figure 6 on the left-hand side, shows an example wherein the cap 16 may be attached onto the mouth 16 of the sleeve 8 by an annular snap-fit joint.
  • Figure 6 on the right-hand side shows another example wherein the cap 16 may be attached onto the mouth 16 of the sleeve 8 by a threaded joint.
  • the fastening system has at least the following benefits:
  • condition monitoring sensors which can be installed into the interior - screw self-drilling and tapping waste metal is found less on the panel outer surface. This is likely to improve the outlook of assembly in some cases (possible rusting stains caused from water and drilled metal waste which is sometimes visible at least with white or light color surfaces).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
EP19179936.0A 2019-06-13 2019-06-13 Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support Active EP3751069B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19179936.0A EP3751069B1 (fr) 2019-06-13 2019-06-13 Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support
LTEP19179936.0T LT3751069T (lt) 2019-06-13 2019-06-13 Tvirtinimo sistema, skirta daugiasluoksnės struktūros kompozitinėms plokštėms prie laikančiosios konstrukcijos tvirtinti
PL19179936T PL3751069T3 (pl) 2019-06-13 2019-06-13 System mocowania do zamocowania paneli kompozytowych o strukturze warstwowej do konstrukcji podporowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19179936.0A EP3751069B1 (fr) 2019-06-13 2019-06-13 Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support

Publications (2)

Publication Number Publication Date
EP3751069A1 true EP3751069A1 (fr) 2020-12-16
EP3751069B1 EP3751069B1 (fr) 2021-11-10

Family

ID=67180490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19179936.0A Active EP3751069B1 (fr) 2019-06-13 2019-06-13 Système de fixation pour fixer des panneaux composites à structure en sandwich à une structure de support

Country Status (3)

Country Link
EP (1) EP3751069B1 (fr)
LT (1) LT3751069T (fr)
PL (1) PL3751069T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307094A1 (fr) * 1975-04-11 1976-11-05 Scanalpina Spa Panneaux isolants et procede pour leur construction et leur montage
US5054983A (en) * 1989-09-23 1991-10-08 Hilti Aktiengesellschaft Attachment member with a collapsible section for securing insulation panels
ES1065136U (es) * 2007-03-28 2007-06-16 Curbiperfil, S.A. Dispositivo de cerramiento decorativo plano para cubiertas y fachadas de grandes longitudes.
PL68194Y1 (pl) * 2008-06-26 2016-01-29 Żebrowski Tomasz Swal Element do mocowania płyt izolacyjnych

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653246A (en) * 1984-01-05 1987-03-31 Hepler Jacque P Insulation board for attachment to walls

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307094A1 (fr) * 1975-04-11 1976-11-05 Scanalpina Spa Panneaux isolants et procede pour leur construction et leur montage
US5054983A (en) * 1989-09-23 1991-10-08 Hilti Aktiengesellschaft Attachment member with a collapsible section for securing insulation panels
ES1065136U (es) * 2007-03-28 2007-06-16 Curbiperfil, S.A. Dispositivo de cerramiento decorativo plano para cubiertas y fachadas de grandes longitudes.
PL68194Y1 (pl) * 2008-06-26 2016-01-29 Żebrowski Tomasz Swal Element do mocowania płyt izolacyjnych

Also Published As

Publication number Publication date
PL3751069T3 (pl) 2022-03-07
EP3751069B1 (fr) 2021-11-10
LT3751069T (lt) 2021-12-27

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