WO2023031758A1 - Toit à lattes, auvent de terrasse le comprenant et kit de pièces pour son assemblage - Google Patents

Toit à lattes, auvent de terrasse le comprenant et kit de pièces pour son assemblage Download PDF

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Publication number
WO2023031758A1
WO2023031758A1 PCT/IB2022/058060 IB2022058060W WO2023031758A1 WO 2023031758 A1 WO2023031758 A1 WO 2023031758A1 IB 2022058060 W IB2022058060 W IB 2022058060W WO 2023031758 A1 WO2023031758 A1 WO 2023031758A1
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WO
WIPO (PCT)
Prior art keywords
slat
elongated core
slats
roof according
roof
Prior art date
Application number
PCT/IB2022/058060
Other languages
English (en)
Inventor
Kristof Vanluchene
Bart Abeel
Original Assignee
Renson Sunprotection-Screens
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 Renson Sunprotection-Screens filed Critical Renson Sunprotection-Screens
Publication of WO2023031758A1 publication Critical patent/WO2023031758A1/fr

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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
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/16—Roof structures with movable roof parts
    • E04B7/163—Roof structures with movable roof parts characterised by a pivoting movement of the movable roof parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/08—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae
    • E04F10/10—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae collapsible or extensible; metallic Florentine blinds; awnings with movable parts such as louvres

Definitions

  • Slat roof, terrace canopy comprising the same, and a kit of parts for assembling the same
  • the present invention relates to a slat roof.
  • the present invention also relates to a kit of parts for assembling such a slat roof.
  • the present invention further relates to a terrace canopy comprising such a slat roof.
  • Slat roofs are usually installed to screen off or, on the contrary, to clear an outside area.
  • Such terrace canopies are often installed at houses, restaurants, shops, etc. in order to screen an outdoor terrace or the like from sun rays, precipitation and/or wind or, alternatively, to temporarily let in sun rays.
  • These canopies can be designed, for example, in the form of an awning, a pergola, a veranda, a carport, a pavilion, etc.
  • slat roof there are typically four orientations (namely, top, bottom, outside and inside) for the slat roof frame.
  • “above” refers to the portion of the slat roof that is or will be oriented towards the top surface (i.e. the sky, e.g. the open air), “below” to the portion of the slat roof that is or will be oriented towards the ground plane (i.e. the earth, e.g. the terrace floor), “outside” to the portion of the slat roof that is or will be oriented away from the roof (i.e. away from the slats) and “inside” to the portion of the roof arrangement that is or will be oriented towards the inside of the slat roof (i.e. facing the slats).
  • a slat roof typically comprises a frame comprising at least two beams which extend mutually parallel and to which a plurality of slats are pivotally connected between an open position and a closed position. In the open position, there is a gap between the slats and in the closed position the slats together form a continuous cover.
  • the incidence of light, radiant heat and ventilation to the space below the slats can be controlled. For example, by directing the slats, the sun and/or wind can be shielded off or can be allowed to pass.
  • the slat roof serves as protection against the sun, precipitation, wind, etc. for a space located below.
  • the slats can optionally be provided slidably in the slat roof, in which case they are typically slidable between a position in which they are distributed over the slat roof and a position in which they are arranged substantially on one side of the slat roof.
  • rotatable slats it is also possible to include one or more fixed slats in the slat roof.
  • a fixed slat is understood to mean a slat that is fixedly connected to the beams and is therefore neither rotatable nor slidable.
  • a problem with such a slat roof is the integration or attachment of various components in or to slats that influence the deflection of the slats.
  • An example of such integration is disclosed in WO 2021/048773 A1 wherein a slat is disclosed with an integrated heating element therein.
  • an extra weight is added to the slat compared to the other slats in the slat roof. Adding this additional weight then affects the deflection of the slat and typically causes the slat with the integrated component to have a higher deflection than the adjacent slats. This different deflection is undesirable, in particular in the closed position of the slats.
  • a slat roof for a terrace canopy wherein the slat roof is provided with a frame and a set of mutually parallel slats attached to the frame, wherein the slates extend in a longitudinal direction and wherein a first slat of said set of slats is provided with a separate elongated core extending longitudinally throughout the first slat, wherein the slat roof is further provided with a functional component selected from a plurality of mutually different functional components, which functional component is attached to the core of the first slat without affecting a deflection of the first slat.
  • an elongated core separate from the slat i.e. a separate core
  • an additional load to be applied to the first slat without affecting the deflection of the first slat.
  • functional elements can be attached to a slat of the slat roof without obtaining a slat with deviating deflection.
  • the first slat and the elongated core which allow to load the elongated core without influencing the deflection of the first slat.
  • the term "without affecting a deflection of the first slat” means that there may be an additional deflection of the first slat that is not more than 2 mm compared to the unloaded state of the elongated core.
  • the deflection is preferably determined in accordance with NBN EN 12020-2:2017, section 4.2.
  • the deflection should be measured at the centre of the slat when viewed in the longitudinal direction because that is where the greatest deflection is expected due to the loading of the elongated core.
  • the first slat is provided at both ends with a headboard, wherein the elongated core is attached to the headboards.
  • the headboards are attached to the frame.
  • each slat After attachment of the headboards, each slat actually forms a beamshaped body with a number of longitudinal walls (i.e. walls extending in the longitudinal direction of the slat) and two end side walls (i.e. formed by a headboard).
  • longitudinal walls i.e. walls extending in the longitudinal direction of the slat
  • end side walls i.e. formed by a headboard.
  • the first slat is provided near each end with a support element supporting the elongated core.
  • Each support element rests on a longitudinal wall of the first slat, in particular the lower longitudinal wall.
  • the headboards and the support elements each form a type of support element which serve to support the elongated core, in particular floating, in the first slat.
  • the elongated core has a bending resistance that is greater than the bending resistance of the first slat.
  • the bending resistance of the material from which the elongated core is made is at least 25%, preferably at least 100%, more preferably at least 150% and most preferably at least 200%, more than a bending resistance of the material from which the first slat is manufactured.
  • a sufficiently rigid elongated core By providing a rigid elongated core, it is possible to load it with the functional components without bending it or at least without any deflection of the elongated core affecting the deflection of the slat.
  • a sufficiently rigid elongated core also allows any choice of functional components to be attached to the elongated core. The fact is that an end user has the choice to select one or more from a predetermined set of mutually different functional components for his slat roof. Due to a sufficiently rigid elongated core, there are no restrictions on the choice of the end user. It is also possible for a sufficiently rigid elongated core to make contact with the longitudinal walls of the first slat. If the bending resistance of the elongated core is sufficiently high, its deflection due to the loading of the functional components is so low that there is no influence on the deflection of the first slat, even though there is contact with the elongated core.
  • Increasing the bending resistance is a way to increase the bending resistance of the elongated core since the deflection is typically inversely proportional to the bending resistance. It has been found that an increased bending resistance of at least 25% allows to load the elongated core without influencing the deflection of the first slat.
  • the elongated core does not contact the longitudinal walls of the slat, in particular the lower longitudinal wall of the slat. If there is no contact of the elongated core with the longitudinal walls (preferably both in the unloaded and in the loaded state of the elongated core), then the elongated core has no (or hardly) influence on the deflection of the first slat.
  • each of the slats in said set of slats has substantially the same bending resistance. This allows to use identical slates or at least slats that have the same deflection.
  • the first slat is provided with a cavity, wherein the elongated core extends through the cavity.
  • the elongated core is protected against weather influences and is also hidden from view.
  • the functional component comprises one or more of: a heating element, lighting, such as LED lighting, an audio element, such as a loudspeaker, an imaging element, such as a screen and/or a projector, communication means, such as Bluetooth or Wi-Fi, a sensor, such as a rain sensor, wind sensor, or a light incidence sensor, a power generating means, such as a solar cell, a ventilation element, such as a fan.
  • a heating element lighting, such as LED lighting, an audio element, such as a loudspeaker, an imaging element, such as a screen and/or a projector
  • communication means such as Bluetooth or Wi-Fi
  • a sensor such as a rain sensor, wind sensor, or a light incidence sensor
  • a power generating means such as a solar cell
  • a ventilation element such as a fan.
  • the advantages described above are also achieved with a set of components for building a slat roof as described above, wherein the set comprises the frame, the set of slats, the elongated core and a plurality of mutually different functional components.
  • Figure 1 shows a schematic image of a canopy.
  • FIG. 2 shows an embodiment of the canopy in more detail.
  • Figures 3A and 3B show a perspective view of the top and bottom respectively, of a slat roof not according to the invention, wherein an additional load is exerted on the central slat.
  • Figures 4A and 4B show a section through planes A and B indicated in Figure 3A.
  • Figure 5 shows a perspective view of a partly exploded view of an embodiment of a slat roof according to the present invention.
  • Figure 6 shows a section through plane B indicated in Figure 3A for an embodiment of a slat roof according to the present invention.
  • substantially includes variations of +/-10% or less, preferably +/-5% or less, more preferably +/-1% or less, and more preferably +/- 0.1% or less, of the specified condition, as far as the variations are applicable to function in the present invention. It is to be understood that the term “substantially A” is intended to also include “A”.
  • FIG. 1 illustrates a canopy 1 for a ground surface, for instance a terrace or garden.
  • the canopy comprises a plurality of columns 2 supporting different beams 3, 4, 5.
  • the columns and beams together form frames to which wall infills 6 and/or roof coverings 7 can be attached, as described hereafter.
  • the canopy 1 comprises three types of beams 3, 4, 5, namely: a beam 3 serving on the outside of the canopy 1 as an external pivot beam 3; a beam 4 serving centrally in the canopy 1 as a central pivot beam 4; and a beam 5 serving as tension beam 5.
  • the beams 3, 4, 5 can be attached to other structures, for example a wall or facade, instead of solely resting on columns 2 as shown in Figure 1 . In such a way, the terrace canopy 1 can be used in general for shielding an outdoor space, as well as an indoor space.
  • the canopy 1 shown in Figure 2 comprises four support columns 2 which support a frame, also called a roof frame.
  • the frame is formed from two external pivot beams 3 and two tension beams 5 between which a roof covering 7 is provided. Between two support columns 2 and a pivot beam 3 or tension beam 5, a wall infill 6 can optionally be provided.
  • Wall infills 6 are typically intended to shield openings under the canopy 1 between the columns 2.
  • the wall infills 6 can be arranged stationary or movably.
  • Movable side walls comprise, for example, roll-in and roll-out screens and/or wall elements that are slidably arranged relative to each other, etc.
  • Stationary arranged side walls can be manufactured from different materials, such as plastic, glass, metal, textile, wood, etc. Combinations of different wall infills 6 are also possible.
  • Figure 2 illustrates a wall infill in the form of a roll-in and roll-out screen 6.
  • the screen 6 extends between two adjacent columns 2 and can be rolled out from the external pivot beam 3.
  • the screen 6 mainly serves as a wind and/or sun screen.
  • the terrace canopy 7 is formed by slats which are rotatably attached at their front ends to the pivot beams 3.
  • the slats are rotatable between an open position and a closed position.
  • In the open position there is an intermediate space between the slats through which, for example, air can be introduced into the underlying space or can leave this underlying space.
  • In the closed position the slats form a closed roof with which the underlying space can be shielded from, for example, wind and/or precipitation, such as rain, hail or snow. With regards to the discharge of precipitation, the slats are typically inclined towards one of the two pivot beams 3.
  • Figure 2 illustrates the closed position wherein the slats 7 together form a substantially continuous cover. In the open position (not shown) a gap is present between the slats 7.
  • the term "longitudinal direction of the slat roof” means the direction along which the beams 3 extend, intended as indicated by arrow 8 in Figure 2.
  • transverse direction of the slat roof means the direction along which the slats 7 extend, intended as indicated by arrow 9 in Figure 2.
  • the longitudinal direction and the transverse direction of the slat roof are substantially perpendicular to each other.
  • longitudinal direction of a slat is intended to mean the direction along which the slats 7 extend, intended as indicated by arrow 36 in Figure 3A.
  • transverse direction of a slat is intended to mean the direction which is substantially perpendicular to the longitudinal direction of a slat as indicated by arrow 37 in Figure 3A.
  • the slats are typically manufactured from a rigid material.
  • This can be aluminium, for example. Aluminium has many advantages as a material, because it is robust and light at the same time, resistant to adverse weather conditions and requires little maintenance. However, other materials are also suitable and their advantages or disadvantages are believed to be known to the skilled person.
  • a slat can be produced using different techniques depending on the material, including extrusion, milling, setting, casting, welding, and so on. The appropriate producing technique is believed to be known to the skilled person.
  • the slats are manufactured by means of an extrusion process.
  • infill elements of, for example, polycarbonate, glass, wood, etc. can be used to at least partially fill the hollow slats, for instance to obtain a different appearance of the slat, in particular if the slat is manufactured from a transparent material, like glass.
  • the slats 7 By rotating the slats 7 between the open position and the closed position, light incidence, radiant heat and ventilation to the space below the slats can be controlled.
  • the open position there is an intermediate space between the slats 7 through which, for instance, air can be introduced into the underlying space or can leave this underlying space.
  • the closed position the slats 7 form a closed roof with which the underlying space can be shielded from, for instance, wind and/or precipitation, such as rain, hail or snow.
  • the slats 7 are typically inclined towards one of the two pivot beams 3.
  • the attachment typically uses a shaft which passes through the slat 7 and connects to an end piece provided with a slat shaft which engages an opening in the pivot beams 5, which opening is typically provided with a bearing. It will be obvious that other connections, for instance without an end piece, in which case the slate is present directly on the slat, are also possible.
  • any reference to an orientation of the beams will be interpreted with reference to the position when mounted in the terrace canopy.
  • there are four orientations namely above, below, outside and inside.
  • “above” refers to the portion of the beam that is or will be oriented towards the top surface (the sky, e.g. the open air)
  • “below” refers to the portion of the beam that is or will be oriented towards the ground plane (the earth, e.g. the terrace floor)
  • the present reference relates generally to the deflection of the slats 7 and to ways of ensuring that the deflection between adjacent slats 7, in particular in the closed position of the slats, is substantially the same. It is therefore instructive to introduce some concepts.
  • each slat 7 is fitted into the roof frame according to the principle of double support. In other words, each slat 7 is connected at both ends to the roof frame. This can be a fixed or a movable, in particular rotatable, connection.
  • the length L of a slat 7 is defined as the distance between its ends viewed in the longitudinal direction 36 of the slat 7.
  • a slat 7 can typically have a length of 2 to more than 5 m.
  • a next type of load is a point load in the middle of the slat 7 viewed in its longitudinal direction.
  • a load results in a deflection f which can be calculated via: wherein P is the point load expressed in N.
  • Other locations for the point load e.g. not in the middle of the slat are also possible and the skilled person is supposed to be able to calculate the deflection f resulting therefrom.
  • the object of the present invention is to provide a slat roof wherein a difference in deflection between adjacent slats can be minimized by the presence of one or more integrated and/or attached components in and/or to one of both adjacent slats.
  • three adjacent slats 7 are shown. In each case, it is the central slat on which an additional load is exerted by the integrated and/or attached components mentioned above.
  • the slat to be loaded will be indicated by reference numeral 7' to distinguish it from the rest of the slats 7. It will be readily appreciated that the slat 7' can be either a fixedly arranged slat or a rotatably attached slat.
  • FIGS 3A to 4B illustrate the problems encountered when integrating and/or attaching additional components in a slat 7.
  • each of the slats 7, 7' is identical to each other.
  • this slat 7' is subject to an additional point load. Due to this additional point load, there is also an additional deflection (additional to the normal deflection as a result of its own weight) of the central slat 7', as a result of which the central slat 7' deflects more than the adjacent slats 7.
  • the present invention is based on providing an elongated core 10 which is separately inserted into the slat 7' and extends there through. Additional components can be attached to the elongated core 10. More specifically, an end user has the choice to select one or more from a predetermined set of mutually different functional components for his slat roof. Each component can be carried by the elongated core 10 without thereby affecting the deflection of the slat 7'.
  • the slat 7' is identical to the adjacent slats 7 except for the elongated core 10 inserted therein.
  • a number of possible functional components are: a heating element, lighting, such as LED lighting, an audio element, such as a loudspeaker, an imaging element, such as a screen and/or a projector, communication means, such as Bluetooth or Wi-Fi, a sensor, such as a rain sensor, wind sensor, or a light incidence sensor, a power generating means, such as a solar cell, a ventilation element, such as a fan, etc.
  • the elongated core 10 is supported by two support elements 12 (one at each end of the slat 7') which in turn rest directly on the lower longitudinal wall of the slat 7'.
  • two support elements 12 one at each end of the slat 7'
  • this has virtually no influence on the deflection of the slat 7'.
  • the point load is so close to the attachment of the slat 7' to the roof frame that there is substantially no additional deflection.
  • the elongated core 10 is supported by two headboards (not shown) which form the front ends of the slat 7'. These headboards are then preferably also attached to the roof frame.
  • Both of these embodiments actually allow the elongated core 10 to be fixed in a floating manner relative to the slat 7'.
  • the space between the elongated core 10 and the lower longitudinal wall of the slat 7 is, for example, at least 1 mm, preferably at least 2 mm, more preferably 4 mm and most preferably at least 5 mm and is at most 20 mm, preferably at most 15 mm and more preferably at most 10 mm.
  • the elongated core, in the transverse direction 37 of the slat 7' is located in the centre of gravity of the slat 7' (viewed in the transverse direction 37) to avoid torsional effects on the slat 7'.
  • the elongated core 10 may make contact with the longitudinal walls of the slat 7'. This, for example, if the elongated core 10 is so rigid that no (or virtually no) deflection occurs under load of the selected functional components.
  • the elongated core 10 is more rigid than the slat 7'. This can be done, for example, by increasing the moment of inertia of the elongated core 10, but it is easier to achieve by adapting the material of the elongated core 10.
  • the elongated core 10 may be made of steel which typically has a modulus of elasticity of 210 GPa, which is much higher than aluminium (modulus of elasticity of 70 GPa) from which the slat 7' is typically made.

Abstract

L'invention concerne un toit à lattes pour un auvent. Le toit à lattes est pourvu d'un ensemble de lattes (7) mutuellement parallèles, une première latte (7') dudit ensemble de lattes étant pourvue d'une âme allongée séparée (10) s'étendant à travers toute la première latte. L'âme allongée est conçue pour qu'un composant fonctionnel choisi parmi une pluralité de composants fonctionnels mutuellement différents y soit fixé sans affecter une déformation de la première latte. La fourniture d'une âme allongée qui est séparée de la latte permet d'appliquer une charge supplémentaire à la première latte sans affecter la déformation de la première latte. Ainsi, des éléments fonctionnels peuvent être fixés à une latte du toit à lattes sans obtenir de latte avec un écart de déformation.
PCT/IB2022/058060 2021-08-30 2022-08-29 Toit à lattes, auvent de terrasse le comprenant et kit de pièces pour son assemblage WO2023031758A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20215683A BE1029720B1 (nl) 2021-08-30 2021-08-30 Lamellendak, terrasoverkapping omvattende hetzelfde, en een set onderdelen voor het opbouwen daarvan
BEBE2021/5683 2021-08-30

Publications (1)

Publication Number Publication Date
WO2023031758A1 true WO2023031758A1 (fr) 2023-03-09

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PCT/IB2022/058060 WO2023031758A1 (fr) 2021-08-30 2022-08-29 Toit à lattes, auvent de terrasse le comprenant et kit de pièces pour son assemblage

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BE (1) BE1029720B1 (fr)
WO (1) WO2023031758A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3357384A (en) * 1983-09-27 1985-01-17 Vergola Pty Ltd Adjustable louvre roof
EP0249919A2 (fr) * 1986-06-16 1987-12-23 Dietrich Weikert Arrangement d'une jalousie
US5732507A (en) * 1993-11-04 1998-03-31 H.V. Aluminium Pty. Limited Louvre assembly
BE1019766A3 (nl) * 2011-01-14 2012-12-04 Brustor Nv Lamel voor gebruik in een zonweringsysteem en zonweringsysteem uitgerust met zulke lamellen.
WO2021048773A1 (fr) 2019-09-12 2021-03-18 Renson Sunprotection-Screens Latte chauffante, toit à lattes le comprenant et son procédé de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359324B (en) * 1997-01-28 2001-10-17 Mark Richard Curtis A weatherproof roller shutter for roofs
EP2853647A1 (fr) * 2013-09-30 2015-04-01 Corradi S.p.A. Tuile pivotante de toit pour structures de type toits, pergolas, abris de plateforme ou équivalents et toit, pergola, abris de plateforme correspondants et équivalents
US11149438B2 (en) * 2018-04-30 2021-10-19 Sundance Louvered Roofs Llc Louvered panel assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3357384A (en) * 1983-09-27 1985-01-17 Vergola Pty Ltd Adjustable louvre roof
EP0249919A2 (fr) * 1986-06-16 1987-12-23 Dietrich Weikert Arrangement d'une jalousie
US5732507A (en) * 1993-11-04 1998-03-31 H.V. Aluminium Pty. Limited Louvre assembly
BE1019766A3 (nl) * 2011-01-14 2012-12-04 Brustor Nv Lamel voor gebruik in een zonweringsysteem en zonweringsysteem uitgerust met zulke lamellen.
WO2021048773A1 (fr) 2019-09-12 2021-03-18 Renson Sunprotection-Screens Latte chauffante, toit à lattes le comprenant et son procédé de fabrication

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BE1029720A1 (nl) 2023-03-22
BE1029720B1 (nl) 2023-03-27

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