EP3495583A1 - Support pour façade ventilée - Google Patents

Support pour façade ventilée Download PDF

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Publication number
EP3495583A1
EP3495583A1 EP18205887.5A EP18205887A EP3495583A1 EP 3495583 A1 EP3495583 A1 EP 3495583A1 EP 18205887 A EP18205887 A EP 18205887A EP 3495583 A1 EP3495583 A1 EP 3495583A1
Authority
EP
European Patent Office
Prior art keywords
bracket
transverse cross
resembles
fibres
shape
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
EP18205887.5A
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German (de)
English (en)
Other versions
EP3495583B1 (fr
Inventor
Saulius Valunta
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.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP3495583A1 publication Critical patent/EP3495583A1/fr
Application granted granted Critical
Publication of EP3495583B1 publication Critical patent/EP3495583B1/fr
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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
    • E04F13/0801—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
    • 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
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/0805—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall

Definitions

  • the invention relates to the field of construction of buildings, and in particular, brackets for ventilated façade and structures thereof.
  • the present invention provides a new bracket for ventilated façade with sufficient and higher mechanical strength to retain fagade/finishing panels, while having very low thermal conductivity.
  • the bracket is made of a polymeric material by embedding a reinforcing fibre made of basalt.
  • the transverse cross-sectional shape of the bracket resembles a rectangle with a removed middle part of one side, i.e. the shape resembles the "[_]" shape.
  • different layers are formed from the reinforcing fibre of different orientation which provides additional mechanical strength. Used polymeric materials have significantly lower thermal conductivity than thermal conductivity of a currently used metal.
  • Document GB2398580A (published on 25 August 2004 ) provides a structure of a retaining element used in construction of buildings for sufficient mechanical strength with low thermal conductivity.
  • the cited document provides the retaining element having a junction made of discontinuous material; the structure comprises two separate mechanically strong parts separated by a thermal insulation layer. Thereby the retaining element of sufficiently low thermal conductivity is formed, but it is clear from the present invention to the skilled person that such retaining element does not exhibit high mechanical strength. Also, the manufacture and/or installation of such retaining element is quite complicated.
  • Document LT 6136 B (published on 25 March 2015 ) provides a structural element of buildings, a bracket for ventilated fagade, which is made of fibre glass composite, one cross-section of which is U-shaped.
  • the cited document does not mention other materials that have higher mechanical strength, lower thermal conductivity.
  • the cited document does not provide such transverse cross-sectional shapes that give higher strength.
  • the cited document does not provide a possibility to direct the reinforcing fibres of the bracket in various directions.
  • This invention provides a new technical solution that does not have the above deficiencies.
  • the present invention provides a bracket for ventilated façade with improved mechanical strength characteristics suitable for use in structures for ventilated fagade, but at the same time having significantly lower thermal conductivity, which ensures better thermal performance of the building.
  • the transverse cross-sectional shape of the provided bracket resembles a rectangle with one partially removed border, its middle part, i.e. the shape resembles the "[_]" shape.
  • Such transverse cross-sectional shape provides better mechanical strength characteristics without increasing the transverse cross-sectional area.
  • the provided bracket is formed using composite materials, polymeric resins, which are reinforced with fibres; in the present invention fibres are made using basalt. Such material of the structure of the bracket ensures low (compared to the normal metal) thermal conductivity.
  • Reinforcing fibres of different orientation are used to further increase mechanical strength.
  • longitudinal fibres are used, then they are coated with a mat or fabric layer, if needed, it is further coated with a veil..
  • This invention provides a structure of a bracket for ventilated façade (1), (2), (7) ( Fig. 1, Fig. 2 , Fig. 3 ).
  • the bracket (1), (2), (7) is attached at one end (it can be attached with additional fastening means) to the outside of outer enclosures of buildings or other structural elements; finishing, façade panels or other structural elements of ventilated façade are attached to the other end of the bracket (1), (2), (7) (it can be attached with additional fastening means).
  • Thermal insulation materials, ventilation spaces, other structural elements are installed between the outer surface of the enclosure and the finishing/fagade panels.
  • Brackets (1), (2), (7) must be sufficiently mechanically strong to retain façade panels.
  • the bracket (1), (2), (7) must have the lowest thermal conductivity, because when it penetrates through the insulating layer, one end rests on façade panels that experience outside temperature fluctuations, while the other end rests on enclosures of the building, which must be protected from outside temperature fluctuations.
  • the bracket (1), (2), (7) must be as thermally conductive as possible in order to minimize the thermal energy effect transferred from façade panels to enclosures of the building.
  • the present invention provides the structure of the bracket for ventilated façade (1), (2), (7), characterized by a new cross-sectional shape of the bracket (1), (2), (7), new materials for manufacturing the bracket (1), (2), (7), new uses of these materials.
  • the bracket of said structure (1), (2), (7) is sufficiently mechanically strong, and at the same time it is characterized by low thermal conductivity.
  • the transverse cross-sectional shape of the bracket (1) ( Fig. 1 ) provided by the present invention resembles a hollow quadrangle (it may be a rectangle, a square), the middle part of one border of which is removed, i.e. the shape resembles the shape of the square bracket "[" only additionally, at each end of short borders there is, connects the part of the border that forms a right angle with each of these short borders and is directed towards the other opposite short border.
  • the described shape resembles the "[_]" shape.
  • Short ending borders provide the entire structure of the bracket (1) with additional mechanical strength when the bracket is exposed to bending and bending force is applied to the end of the bracket (1) to which façade panels are attached and said applied bending force is parallel to (or close to parallel) a plane, which forms said short ending transverse cross-sectional border.
  • Pairs of borders of opposite sides which determine the transverse cross-sectional shape may have different lengths, i.e. the cross-sectional shape can be almost flat, i.e. one continuous border is several times longer than other borders with which said longer border connects.
  • Bracket (2) Another transverse cross-sectional shape of the bracket (2) provided by the present invention resembles a shape of the square bracket "[”, i.e. short borders are attached to different ends of one border, which usually form a right angle with said long border.
  • Bracket (2) Another transverse cross-sectional shape of the bracket (2) provided by the present invention resembles an elongated rectangle (when a length of one border is at least several times larger than the size of the other connecting border which forms an angle). Angles of said rectangle can be rounded up.
  • the structure of the bracket for ventilated façade (1), (2), (7) provided by the present invention is new in that reinforced composite materials used for manufacturing the bracket (1), (2), (7), which, during manufacture, depending on the position in the cross-section of the bracket (1), (2), (7), are formed with reinforcing fibres oriented in different directions.
  • Composite materials, into which a reinforcing fibre is embedded, are used for manufacturing the bracket (1), (2).
  • composite materials comprise various polymeric materials (thermosetting or thermoplastic) such as polyester resin, vinyl ester resin, epoxy resin and/or the other.
  • the reinforcing fibre is filled with a composite material called a matrix.
  • the matrix combines reinforcing fibres into an integral structural material.
  • the matrix comprises the base material and additional additives that can provide the base material with additional material characteristics such as: the possibility of more accurately controlling the manufacture process, changing the colour of the matrix, forming the desired texture of the surface of the product, changing the resistance of the product to various environmental factors (for example, UV radiation), reducing the cost of raw materials and/or other.
  • Reinforcing fibres are fibrous materials that strengthen, bind the polymer matrix, give the polymer matrix required mechanical strength characteristics.
  • Reinforcing fibres can be of two types: special fibres (basalt, aramid, carbon and/or other) and natural fibres (hemp, sisal, jute, linen, cotton, bamboo, kenaf, fibrous banana, agava and/or other).
  • basalt fibre which is more resistant to the aggressive chemical environment (acids, alkalis, salts, etc.)
  • strength is about 25% higher than of the fibre glass of the type E
  • the elasticity module is about 15% higher than of the fibre glass of the type E. Due to above characteristics, the bracket (1), (2), (7) of a smaller cross-section area can be manufactured, but it can maintain the same mechanical characteristics as brackets made of other materials, while reducing the transverse cross-sectional area the thermal energy transfer coefficient is reduced.
  • bracket (1), (2), (7) Mechanical strength characteristics of the reinforced composite product, bracket (1), (2), (7) depend to a large extent on the orientation of the reinforcing fibre, the direction of the fibre threads, compared to the geometric shape of the bracket. If the bracket (1), (2), (7) is attached to enclosures of the building at one end and façade panels are attached to the other end, the force applied to the end to which panels are attached will cause stresses along the shape of the bracket (1), (2), (7). Therefore, it is worth to orient reinforcing fibres along the bracket (1), (2), (7), thereby achieving maximum mechanical strength. On the other hand, the bracket (1), (2), (7) may also have stresses of other directions.
  • reinforcing fibres oriented in various directions is used.
  • the fibres are of different types too: integral, longitudinal fibre (when all the fibres are oriented parallel to each other), mat (non-woven fibres oriented in various directions), fabric (fabric of continuous fibres oriented in various directions), veil (non-woven product of glass or polyester threads which is often of low thickness (about 40 g/m 2 ).
  • brackets (1), (2), (7) is reinforced with longitudinal fibres (3), and then the outer surface of the product is further reinforced with a mat and/or fabric layer (4).
  • the outer mat or fabric layer (4) takes over not only transverse stresses in the case of bending, but also internal stresses resulting from the shrinkage of the polymer matrix during polymerization.
  • a surface veil (5) is used to form a thicker layer of polymer on the surface of the product. Thereby not only the aesthetically better looking surface is obtained but also fibres contained inside the product are more protected from aggressive environmental factors.
  • brackets (1), (2), (7) manufactured are of an elongated shape, without any longitudinal shape/direction changes. If the angle is necessary for attaching the bracket or to the bracket, holes are formed in the bracket (1), (2), (7). Holes are used to attach the angular-shaped profile (6) to the bracket (1), (2), (7) ( Fig. 4 , Fig. 5 ), which creates conditions necessary for the fastening position.
  • a specific-shaped spring (8) is attached to the end of the bracket (1), (2), (7), to other than the bracket is attached to enclosures of the building.
  • the aforementioned spring (8) makes it more convenient to attach a vertical structural element for installation of façade panels.
EP18205887.5A 2017-12-08 2018-11-13 Support pour façade ventilée Active EP3495583B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LT2017539A LT6656B (lt) 2017-12-08 2017-12-08 Vėdinamo fasado laikiklis

Publications (2)

Publication Number Publication Date
EP3495583A1 true EP3495583A1 (fr) 2019-06-12
EP3495583B1 EP3495583B1 (fr) 2024-02-14

Family

ID=64453284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18205887.5A Active EP3495583B1 (fr) 2017-12-08 2018-11-13 Support pour façade ventilée

Country Status (3)

Country Link
EP (1) EP3495583B1 (fr)
FI (1) FI3495583T3 (fr)
LT (1) LT6656B (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398580A (en) 2003-02-24 2004-08-25 Corus Bausysteme Gmbh Thermally isolating elongate retaining element, or halter, for roofing
WO2014124469A1 (fr) * 2013-02-11 2014-08-14 Krause A2P, Llc Système de support à base de polymère pour habillage extérieur
WO2014188284A1 (fr) * 2013-05-24 2014-11-27 Uab "Fibrolt" Élément de construction en fibre de verre pour bâtiments
WO2016207648A1 (fr) * 2015-06-26 2016-12-29 Sig Plc Dispositif de revêtement formant écran pare-pluie
US20170342723A1 (en) * 2016-05-31 2017-11-30 Advanced Architectural Products, Llc Insulating Structure For Buildings

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29703013U1 (de) * 1997-02-20 1997-04-03 Bwm Duebel & Montagetech Wandhalter für Tragvorrichtungen von Wand- oder Deckenverkleidungen
GB201303947D0 (en) * 2013-03-05 2013-04-17 Corp Bracket
EP3222794B1 (fr) * 2016-03-24 2019-02-27 STO SE & Co. KGaA Dispositif de retenue destine a appliquer des elements de revetement de plafond ou mural en forme de plaques sur un fond cote construction et procede de fabrication du dispositif de retenue

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398580A (en) 2003-02-24 2004-08-25 Corus Bausysteme Gmbh Thermally isolating elongate retaining element, or halter, for roofing
WO2014124469A1 (fr) * 2013-02-11 2014-08-14 Krause A2P, Llc Système de support à base de polymère pour habillage extérieur
WO2014188284A1 (fr) * 2013-05-24 2014-11-27 Uab "Fibrolt" Élément de construction en fibre de verre pour bâtiments
LT6136B (lt) 2013-05-24 2015-03-25 Uab "Fibrolt" Pastatų konstrukcinis elementas iš stiklo pluošto
WO2016207648A1 (fr) * 2015-06-26 2016-12-29 Sig Plc Dispositif de revêtement formant écran pare-pluie
US20170342723A1 (en) * 2016-05-31 2017-11-30 Advanced Architectural Products, Llc Insulating Structure For Buildings

Also Published As

Publication number Publication date
LT2017539A (lt) 2019-06-10
FI3495583T3 (fi) 2024-04-25
LT6656B (lt) 2019-09-25
EP3495583B1 (fr) 2024-02-14

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