EP4183947A1 - Dachfenster - Google Patents

Dachfenster Download PDF

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Publication number
EP4183947A1
EP4183947A1 EP22207734.9A EP22207734A EP4183947A1 EP 4183947 A1 EP4183947 A1 EP 4183947A1 EP 22207734 A EP22207734 A EP 22207734A EP 4183947 A1 EP4183947 A1 EP 4183947A1
Authority
EP
European Patent Office
Prior art keywords
curb
glazing
skylight
bead
fixing
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
EP22207734.9A
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English (en)
French (fr)
Other versions
EP4183947B1 (de
Inventor
Jean-Luc HARANG
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.)
Dad Securite Incendie
Original Assignee
Dad Securite Incendie
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 Dad Securite Incendie filed Critical Dad Securite Incendie
Publication of EP4183947A1 publication Critical patent/EP4183947A1/de
Application granted granted Critical
Publication of EP4183947B1 publication Critical patent/EP4183947B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
    • E04D13/0315—Supports or connecting means for sky-lights of flat or domed shape characterised by a curb frame

Definitions

  • This presentation concerns a skylight. More specifically, the present disclosure relates to a fire-resistant skylight.
  • skylights typically to provide lighting.
  • Skylights are designed to be fire resistant, in order to limit the spread of a fire breaking out within the building.
  • fire resistance is generally limited and can, in any case, be improved.
  • An object of this disclosure is to extend the fire resistance life of a skylight.
  • a curb for a skylight comprising a base adapted to be fixed on a roof of a building, a rim adapted to support glazing, a body connecting the base to the flange, the body comprising a first edge and a second edge, and a fixing device adapted to fix the first edge to the second edge, the fixing device comprising a glue and a rivet.
  • a skylight comprising a curb according to the first aspect.
  • the skylight comprises a glazing bead and a glazing, the glazing being positioned between the glazing bead and the curb resting on the edge of the curb.
  • a skylight comprising a curb, a glazing and a glazing bead, the glazing being positioned between the glazing bead and the curb, the skylight further comprising a fixing system provided for fixing the glazing bead to the curb, the fixing system comprising a spacer provided to be arranged between the glazing bead and the curb, the spacer being configured to limit the forces applied to the glazing by the glazing bead and/or by the curb.
  • an assembly for a skylight comprising a glazing bead, a curb and a fixing system provided for fixing the glazing bead to the curb, in which the fixing system comprises a rivet provided for be riveted to the upstand.
  • a skylight comprising an assembly according to the third aspect, in which the rivet is riveted to the curb, and the glazing bead is fixed to the curb by means of the fastening system.
  • the skylight further comprises glazing, the glazing being positioned between the glazing bead and the curb.
  • a glazing bead intended to hold a glazing on a curb of a skylight, the glazing bead being a single one-piece piece forming a frame intended to be positioned on a perimeter of the glazing, the glazing bead being formed from a steel plate.
  • a skylight comprising a glazing bead according to the fourth aspect.
  • the skylight further comprises a glazing and a curb, the glazing being positioned between the glazing bead and the curb.
  • FIG 1 and the figure 2 illustrate a lighting device, more particularly called a skylight 1, which is a construction intended to overcome a building (not shown), typically to provide lighting. More specifically, the skylight 1 is designed to be attached and fixed to a cover (not shown), preferably waterproof, of a building.
  • the cover can be a roof, a roof or a terrace.
  • the cover is a floor, which is relatively flat, that is to say it extends along a plane substantially parallel to the ground on which the building is constructed.
  • the skylight 1 is attached and fixed to the cover at the level of a through opening (not shown) made through the cover, so as to define a volume closed by a glazing 2 and open to the interior of the building.
  • the terms “internal” and “external” refer to the position of an element in relation to this volume, an internal element facing the volume, while an external element faces the building exterior.
  • the terms “upper” and “lower” refer to the position of an element with respect to the cover, an upper element being farther from the cover than a lower element, once the skylight 1 has been fixed to the blanket.
  • Such a skylight 1 is sometimes referred to as overhead lighting, a skylight or a roof skylight.
  • the skylight 1 is fire-resistant, which is why it is designated as a flame-arresting or fire-breaking skylight 1 .
  • the skylight 1 is configured to limit the spread of a fire breaking out within the building, while maintaining, for as long as possible, a seal against flames and smoke that could escape through the skylight 1.
  • the skylight 1 comprises a curb 3, the glazing 2 and a glazing bead 4, the glazing 2 being positioned between the glazing bead 4 and the curb 3.
  • the skylight 1 preferably comprises a seal 5 arranged between the glazing 2 and the curb 3, as for example visible on the figure 7 , but also a seal (not shown) arranged between the glazing bead 4 and the curb 3.
  • a seal (not shown) can be provided to be positioned between the skylight 1 and the cover.
  • the skylight 1 preferably comprises a thermally insulating material (not shown) surrounding at least a part of the curb 3, at the level of an external surface of the curb 3.
  • the curb 3 comprises a base 30 adapted to be fixed on the cover, a rim 31 adapted to support the glazing 2, which is therefore resting on the rim 31 of the curb 3, and a body 32 connecting the base 30 to the rim 31.
  • At least one fixing hole 300 is formed through the base 30 and provided to fix the base 30 to the cover.
  • a fixing element (not shown), such as a screw or a plug, can then be provided to cooperate with the fixing hole 300 in order to fix the base 30 on the cover.
  • a plurality of fixing holes 300 is made through the base 30, and is, for example, distributed all around the base 30, a plurality of fixing elements then being provided to cooperate with the fixing holes 300 in order to fix the base 30 on the cover.
  • any suitable fixing mechanism can be provided for fixing the base 30 to the cover, as long as the fixing ensures that the skylight 1 is held on the cover in a sealed and robust manner.
  • the base is attached and fixed to the body, for example by welding. If necessary, a weld bead is provided at an internal surface of the junction between the base and the body and/or another weld bead is provided at an external surface of the junction between the base and the body.
  • the base is attached and fixed to the body by means of a fixing device comprising an adhesive and a rivet, as described in more detail below with reference to the method of fixing a first edge 321 and a second edge 322 of the body 32 of the curb 3.
  • base 30 is integral with body 32, as also described in more detail below.
  • the connection between the base 30 and the body 32 ensures the mechanical continuity between the base 30 and the body 32, while guaranteeing the tightness of the curb 3.
  • the flange 31 has a cross section comprising a first portion 311 for supporting the glazing 2, and a second portion 312 ensuring the guiding of fluid which could have infiltrated between the glazing bead 4 and the glazing 2, towards the outside of the skylight 1. More specifically, the second portion 312 prevents fluid from flowing onto the insulating material, which is likely to deteriorate, which is likely to damage the curb 3.
  • the cross section is taken from manner orthogonal to a preferred direction of extension of at least part of the flange 31.
  • the cross section can typically take the shape of an L, the first portion 311 and the second portion 312 then forming the two branches of the L, or of the C , the first portion 311 forming a branch of the C and the second portion 312 forming the base of the C.
  • the flange is attached and fixed to the body, for example by welding. If necessary, a weld bead is provided at an internal surface of the junction between the flange and the body and/or another weld bead is provided at an external surface of the junction between the flange and the body.
  • the flange is attached and fixed to the body by means of a fixing device comprising an adhesive and a rivet, as described in more detail below with reference to the method of fixing the first edge 321 and the second edge 322 of the body 32 of the curb 3.
  • flange 31 is integral with body 32, as also described in more detail below.
  • the connection between the flange 31 and the body 32 ensures the mechanical continuity between the flange 31 and the body 32, while guaranteeing the tightness of the curb 3.
  • the body 32 comprises the first edge 321 and the second edge 322.
  • the curb 3 comprises a fixing device provided for fixing the first edge 321 to the second edge 322.
  • the fastening device comprises an adhesive and at least one rivet, at least one facing orifice 323 being formed, respectively, through each of the first edge 321 and the second edge 322, in order to accommodate the rivet. Thanks to the combination of the glue and the rivet, the junction between the first edge 321 and the second edge 322 remains sealed at very high temperatures, which allows the skylight 1 to withstand the fire longer. In fact, neither flame nor smoke is likely to escape through the junction between the first edge 321 and the second edge 322, despite the stresses at the opening of the junction following the expansion of the curb 3 subjected at very high temperatures.
  • the fixing device consists of glue and a plurality of rivets, corresponding orifices 323 , for example visible on the figure 4 , being provided through each of the first edge 321 and the second edge 322, in order to accommodate the rivets.
  • the number and the spacing of the rivets (and of the orifices 323 ) depends on the shape of the curb 3, and more precisely on the shape of the body 32.
  • the first edge 321 and the second edge 322 can each comprise at least three through holes 323 provided to receive the rivets, each hole 323 being distant from an adjacent hole 323 of the same edge 321, 322 by a distance of at most 150 millimeters.
  • the adhesive is suitable for withstanding high temperatures, typically temperatures that can reach 1000°C. More precisely, the glue does not flow, nor melt, nor ignite, even if it is brought to such temperatures, thus retaining its adhesive properties.
  • the rivets comprise stainless steel, or even consist of stainless steel, the thermal behavior of which at very high temperature is also favorable to maintaining the tightness of the junction between the first edge and the second edge.
  • the body 32 can take different forms, depending on the desired lighting within the building, and/or the desired aesthetics.
  • the body 32 is a cylinder, that is to say it has a ruled surface whose generatrices are parallel, that is to say a surface in space consisting of parallel straight lines.
  • a ruled surface is indeed a surface through each point of which passes a straight line, called generatrix, contained in the surface.
  • the generating lines of the surface of the body 32 are all parallel to a central axis XX of the body 32 along which the body 32 extends.
  • the body 32 has an elongated shape surrounding the central axis XX, preferably being centered around this central axis XX.
  • the central axis XX is, preferably, orthogonal to the plane in which the cover extends at the level of the skylight 1.
  • the body 32 forms a solid, or polyhedron, or prism, delimited by a cylindrical surface and by two open planes, forming the bases of the cylinder forming the body 32, which are strictly parallel, the planes being, respectively, constituted by the plane in which the glazing 2 extends on the one hand, and by the plane in which the through opening extends through the cover on the other hand.
  • the body is a right cylinder, ie the planes are perpendicular to the generating lines.
  • the upper base of the cylinder forming the body 32 is inclined, typically at an angle of at most 80°, with respect to the lower base of the cylinder forming the body 32.
  • the body 32 when it is a cylinder, it can have various shapes such as that of a parallelepiped illustrated in the figure 1 and on the figure 2 , or like that of a cylinder of revolution (not shown).
  • a cross section of the body 32 that is to say orthogonal to the generating lines and parallel to the bases of the cylinder, forms a rectangle, typically a square.
  • a cross section of the body forms a circle.
  • the body is a cylinder formed by a single panel having two edges facing each other which form the first edge and the second edge.
  • the cylinder can be formed by bending the panel or by folding the panel along at least one longitudinal edge, the longitudinal edge extending along a straight line generating the body.
  • the body 32 is a cylinder and the curb 3 comprises a plurality of panels 301, 302, 303, 304 connected two by two together by means of the fixing device, each panel 301, 302, 303, 304 comprising at least two edges 321, 322, an edge 321 of a panel 302 corresponding to the first edge 321 and an edge 322 of an adjacent panel 303 , facing the first edge 321, corresponding to the second edge 322.
  • the fixing device is then provided to fix one of the at least two edges 321 of each panel 301, 302, 303, 304 with one of the at least two edges 322 of an adjacent panel 301, 302, 303, 304.
  • the fixing device comprises a plurality of glues and a plurality of rivets, a plurality of orifices 323 being made in the edges 321, 322 of the corresponding panels 301, 302, 303, 304.
  • the curb 3 comprises four panels 301, 302, 303, 304 assembled so that the body 32 forms a parallelepiped, as illustrated in the figure 1 , on the picture 3 and on the figure 4 .
  • the curb comprises exactly two panels, which can then be bent, or folded, typically along a fold parallel to the central axis.
  • the body has an outwardly flared frustoconical shape, that is to say the base of the cone of which is formed by the glazing and/or the glazing bead.
  • the area covered by the glazing is greater than the cross section of the through opening made through the cover, the cross section being taken according to a plan of the cover at the level of the through opening.
  • the body can be formed by a panel or by the assembly of several panels, in the same way as what has been described for the variant in which the body has a cylindrical shape.
  • each panel 301, 302 , 303 , 304 comprises at least two folds 3001 , 3002 .
  • each panel 301, 302, 303, 304 is the body parts 32 which include the at least two edges 321, 322.
  • the body part 32 is then integral with the base part 30 and the rim portion 31.
  • At least one panel 301, 302, 303, 304 of the curb 3 is advantageously formed from steel sheet, preferably galvanized steel, the thickness of which is between 1.0 and 5, 0 millimeters, and is preferably 2.0 millimeters, according to a manufacturing method detailed below.
  • first edge 321 and the second edge 322 can be longitudinal edges, as visible on the figure 1 , the picture 3 and the figure 4 , that is to say extend along a generating line when the body 32 is a cylinder or along a line joining the base to the top of the cone when the body is frustoconical.
  • first edge and/or the second edge can extend along a straight line inclined with respect to a generating straight line when the body is a cylinder or to a straight line joining the base to the top of the cone when the body is frustoconical.
  • the body 32 comprises a fixing flange 321 forming the first edge 321
  • the holes 323 to receive the rivets are then made in the fixing flange 321.
  • the curb 3 comprises four panels 301, 302, 303, 304
  • only four fixing flanges 321 are provided, two per panel 302, 304 facing each other, in order to limit the manufacturing costs of the curb 3 compared to the variant where each of the four panels would be provided with its own fixing flange.
  • the fastening flange 321 does not extend along an entire edge of a body part 30 of the panel 302, 304, but only on a part of the edge of the body part 30 of the panel 302, 304 in order to form the first edge 321. This frees up space to make it possible to simplify the attachment of the base parts 30 to one another, and of the flange parts 31 to one another, typically by welding.
  • the glazing 2 is positioned between the glazing bead 4 and the curb 3, being held on the rim 31 of the curb 3 by the glazing bead 4.
  • An upper surface 200 of the glazing 2 is then in contact with the glazing bead 4, while a lower surface 201 of the glazing 2 is in contact with the curb 3.
  • Glazing 2 advantageously comprises glass and preferably consists of glass.
  • the glass is fire resistant.
  • at least part of the glass of the glazing 2 expands in a first temperature range, then softens, and becomes ductile, in a second temperature range, higher than the first temperature range.
  • the glass is transparent to allow the passage of light to the interior of the building.
  • the glazing 2 is a glass panel, the shape and dimensions of which correspond to the shape and dimensions of the curb 3.
  • the glazing 2 thus takes the form of a rectangular panel placed flat on the rim 31 of the curb 3.
  • the glazing 2 extends substantially along a plane and thus has a length, a width and a thickness, the length and the width being much greater than the thickness, the thickness being the dimension transverse to the upper surface 200 and to the lower surface 201 of the glazing 2.
  • the length and the width are the same and form the diameter of the glazing 2.
  • the glazing bead 4 is provided to hold the glazing 2 on the curb 3 of the skylight 1, and more precisely on the edge 31 of the curb 3.
  • the glazing bead 4 is a single one-piece piece forming a frame delimiting a central opening 4000 and intended to be positioned on a perimeter of the glazing 2.
  • the glazing bead 4 is manufactured from a single piece, by being formed from a sheet of steel, that is to say from a steel product which is flat, rolled either hot or cold, and whose surface is generally smooth or sometimes with protrusions.
  • the glazing bead 4 forms the border delimiting the surface of the glazing 2, at its periphery, that is to say its outer line. Thanks to its one-piece character made of sheet steel, the glazing bead 4 can expand evenly when the skylight 1 is subjected to very high temperatures.
  • the glazing bead 4 can maintain a constraint for maintaining the glazing 2 on the curb 3 which is homogeneous, which limits the risk of openings between the glazing bead 4 and the glazing 2, which could cause smoke and flames to escape from skylight 1 in the event of a fire breaking out inside the building.
  • the steel is galvanized, that is to say it is coated with a layer of galvanized zinc in order to resist corrosion.
  • the glazing bead 4 is coated with at least one coat of paint, typically four coats of paint, in order to improve its resistance to corrosion.
  • the steel sheet has a thickness which is between 1.0 and 5.0 millimeters, and is preferably 2.0 millimeters.
  • the glazing bead 4 comprises a holding part 41 and at least one flap part 42 extending from the holding part 41.
  • the holding part 41 is intended to be positioned on a surface of the glazing 2, preferably the upper surface 200 of the glazing 2, to hold the glazing 2 on the curb 3. This is why the holding part 41 has the most exact possible flatness, that is to say that it extends in a plane without deviating from it, in order to promote thermal expansion of the holding part 41 in this plane exactly, and to maintain a uniform holding stress over the entire upper surface 200 of the glazing 2, whatever the temperature reached by the skylight 1.
  • the flap part 42 is advantageously intended to be positioned opposite an edge of the glazing 2, typically the edge 202 connecting the lower surface 201 to the upper surface 200 of the glazing 2.
  • the flap part 42 just like the second portion 312 of the cross section of the rim 31 of the curb 3 opposite which a portion of the flap part 42 extends, makes it possible to facilitate the evacuation of fluid, typically rainwater , coming to flow on the upper surface 200 of the glazing 2 and/or on the retaining part 41 of the glazing bead 4 . insulation, preventing the latter from deteriorating and thus damaging the skylight 1.
  • the holding part 41 forms a rectangular frame, typically square. However, this is not limiting since the holding part can take any shape that matches the periphery of the glazing, typically a circular shape.
  • the holding part 41 is a rectangular frame, it has four sides and the glazing bead 4 then comprises four flap parts 42, each flap part 42 extending from each of the four sides of the holding part 41.
  • the glazing bead then comprising at least one flap part extending from the outer periphery.
  • the flap part and the holding part are formed by stamping then punching the steel sheet so as to form the one-piece frame.
  • At least a flap portion 42 is formed by bending the steel sheet.
  • the glazing bead can then be formed by bending the steel sheet. More specifically, the sheet is first bent so as to form a rectilinear element having an L-shaped cross-section, one branch of the L being intended to form the holding part, the other branch of the L being intended to form the flap part. Then this rectilinear element is bent so that its two ends face each other. Finally, the two ends are fixed edge to edge, preferably by welding, so as to obtain the circular frame.
  • the holding part 41 is a rectangular frame
  • the four flap parts 42 are folded from the holding part 41, as seen in the figure 6 .
  • the flap parts 42 are fixed two by two, typically by being connected by welding.
  • each flap part 42 advantageously comprises a main edge 421 which is opposite to the holding part 41, and two side edges 422, 423 connecting the main edge 421 to the holding part 41.
  • the frame is circular, the two side edges are fixed to each other.
  • the flap parts 42 are connected two by two by their respective side edges 422, 423 . Each time, once the side edges are connected together, the main edge remains free.
  • a weld bead is provided at an inner surface of the joint between the side edges and/or another weld bead is provided at an outer surface of the joint between the side edges.
  • the skylight 1 comprises a fixing system designed to fix the glazing bead 4 to the curb 3, and thus maintain the glazing 2 in position between the glazing bead 4 and the curb 3, without any possible escape of flames and/or smoke, even in very high temperatures, typically when a fire breaks out inside the building.
  • This fixing system provides for the cooperation of a threaded element 61 with a fixing member 7, which comprises a thread provided to cooperate with the threaded element 61.
  • the threaded element 61 belongs to a member 6 which is provided to pass through the glazing bead 4 in order to cooperate with the fixing member 7, which is provided to be fixed to the curb 3.
  • the threaded element belongs to a member which is intended to pass through the curb in order to cooperate with the fixing member, which is intended to be fixed to the glazing bead.
  • At least one spacer 6 is arranged between the glazing bead 4 and the curb 3, and forms the member 6 having the threaded element 61.
  • a plurality of spacers 6 are arranged between the glazing bead 4 and the curb 3, being distributed around the periphery of the rim 31 of the curb 3.
  • the spacer 6 is configured to limit the forces applied to the glazing 2 by the bead 4 and/or by the curb 3. More precisely, the spacer 6 has dimensions, and preferably a height, which are calibrated so as to control the forces applied to the glazing 2 by the glazing bead 4 and/or by the curb 3 when the threaded element 61 is engaged with the fixing member 7. In this way, the maintenance of the glazing 2 on the curb 3 by the glazing bead 4 is produced by means of stresses whose intensity is precisely controlled, which makes it possible to contain the thermal expansion of the glazing 2, while avoiding its creep, each time with a view to avoiding the appearance of openings between curb 3 and glazing 2 and/or between glazing 2 and glazing bead 4, when skylight 1 reaches very high temperatures.
  • the stress applied to the glazing 2 by the glazing bead 4 and/or by the curb 3 is controlled so as to guarantee fluid-tightness, typically rainwater, of the skylight 1.
  • the constraint is controlled so as to be strong enough to guarantee the maintenance of the glazing 2 on the curb 3 (and thus the tightness of the skylight 1 ), in particular during a possible creep at high temperature, but low enough for the glazing 2 to be able to expand at high temperature without breaking due to this thermal deformation.
  • the spacer 6 has an outer surface 600 in contact with an inner surface of the bead 4, more precisely with an inner surface of the retaining part 41 of the bead 4, and an inner surface 601 in contact with a surface outer surface of the curb 3, more precisely with an outer surface of the rim 31 of the curb 3.
  • each of the outer surface 600 and the inner surface 601 of the spacer 6 has the most precise flatness possible, in order to guarantee the parallelism of the internal surface of the retaining part 41 of the glazing bead 4 and of the external surface of the rim 31 of the curb 3.
  • the thermal expansion of the glazing 2 can take place in a homogeneous manner, preferably only in the extension plane of the glazing 2, that is to say parallel to the lower surface 201 and to the upper surface 200 of the glazing 2. In this way, during the thermal expansion of the glazing 2 at high temperatures, the stresses exerted by the glazing 2 on the glazing bead 4 and/or on the curb 4 are reduced to a minimum in a direction transverse to the plane of extension of the glazing 2.
  • all the outer surfaces 600 of the spacers 6 are parallel to each other so that the glazing bead 4 exerts a uniform stress on the glazing 2 once fixed on the curb 3.
  • the spacer comprises stainless steel, or even consists of stainless steel, the mechanical properties of which are suitable for controlling the forces applied to the glazing by the glazing bead and/or by the curb.
  • the spacer 6 advantageously comprises the threaded element 61 intended to cooperate with the fixing member 7.
  • the spacer 6 comprises a body section 60 extending between the glazing bead 4 and the upstand 3, and a stud 61 projecting from one end of the body section 60, the stud 61 being intended to pass through the one of the glazing bead 3 and the curb 4.
  • a cross section of the body section 60 is advantageously greater than a cross section of the pin 61, the cross section being taken orthogonal to a main axis of extension YY of the spacer 6
  • the lower end of the stud 61 which is not threaded, is however chamfered, so as to promote cooperation with the fixing member 7.
  • the body section 60 comprises a cylindrical portion, preferably straight cylindrical, or even cylindrical of revolution. More specifically, the body section 60 comprises a portion which is a cylinder, according to the same properties as those described with reference to the body 32 of the curb 3.
  • a threaded hole 62 is advantageously made in the body section 60.
  • the fixing system preferably comprises a screw 8 adapted to cooperate with the threaded hole 62, and thus fix the spacer 6 to the one of the glazing bead 4 and of the curb 3, while the fastening member 7 is fixed to the other of the curb 3 and of the glazing bead 4.
  • screw 8 instead of providing a screw passing through one of the curb 4 and glazing bead 3 to cooperate with a fastening member 7 fixed to the other of glazing bead 3 and of curb 4, screw 8 first cooperates with spacer 6, which then cooperates with the fixing 7.
  • the fixing system comprises a washer 9 provided to be positioned between the screw 8 and the one among the glazing bead 4 and the curb 3 through which the screw 8 extends to fix the spacer 6, and this in order to limit the forces applied by the screw 8 on the glazing bead 4 or the curb 3.
  • other types of fastening element can be provided, such as a nail or a dowel, the orifice 62 then not necessarily being threaded.
  • orifices 400 can be provided in the glazing bead 4, preferably in the holding part 41 as visible on the figure 5 and on the figure 6 , so that it can be crossed by the screw 8, the nail, the dowel, etc.
  • the fixing system comprises a threaded rod protruding from the body section of the spacer and designed to pass through one of the bead and the curb in order to fix the spacer there.
  • the threaded rod can cooperate with a nut attached to the rod and tightened on one of the glazing bead and the curb.
  • the threaded rod can be attached and fixed to the body section or be integral with the body section.
  • the threaded orifice 62 extends along the height of the cylindrical portion of the body section 60.
  • the threaded orifice 62 is blind, emerging at the level of the upper surface 600 of the body section 60, without be opening at the level of the lower end of the stud 61, or even of the body section 60, at the level of the junction between the body section 60 and the stud 61.
  • the depth of the threaded orifice 62 formed in the section of body 60 can be adjusted according to the desired control in the constraints applied to the glazing 2, but also according to the manufacturing cost.
  • the fixing member 7 is fixed to the curb 3, and the screw 8 fixes the spacer 6 to the glazing bead 4.
  • a cross section of the body section 60 is greater than a cross section of the fixing member 7. This makes it possible to guarantee sealing at the junction between the spacer 6 and the fixing member 7, in the event that fluid infiltrates between the glazing bead 4 and the glazing 2. In this way, the fluid does not risk penetrating within the fixing member 7 and flowing onto the insulation material, but rather continues its route towards the second portion 312 of the cross section of the rim 31 of the curb 3, to flow onto the cover in a zone remote from the insulation material.
  • the fixing member is a rivet 7, which is also provided to be riveted to the curb 3.
  • the fixing member is a rivet 7, which is also provided to be riveted to the curb 3.
  • the rivet 7 conventionally comprises a head pierced with a through opening, a tie rod extending inside the rivet 7 to allow riveting, and a portion of weakness, which is intended to deform by pulling the rivet 7 through the head.
  • the rivet 7 advantageously comprises a cylinder portion, which is intended to pass through the curb 3, preferably being surrounded by the head and by the weak portion. More precisely, the rivet 7 comprises a portion which is a cylinder, according to the same properties as those described with reference to the body 32 of the curb 3. Preferably, this cylinder portion is not of revolution, or even is hexagonal, as illustrated on the figure 7 . In this way, the risk of the rivet 7 rotating around its main axis when screwing the threaded element 61 onto the rivet 7 is limited. In the same way, a through hole 313 is formed in the curb 3, and more precisely through the rim 31 of the curb 3, to receive the rivet 7, and more precisely the cylinder portion of the rivet 7.
  • the through hole 313 advantageously has the same cross-section as that of the cylinder portion of the rivet 7, so as to be able to accommodate it and facilitate the screwing and/or unscrewing of the threaded element 61 on the rivet 7, i.e. to say that the through orifice 313 is cylindrical, preferably having a cross section which is not of revolution, or even which is hexagonal.
  • a blind hole preferably tapped to cooperate with the threaded element 61, is made in the cylinder portion of the rivet 7.
  • the blind hole is also intended to face the bead 4 when the rivet 7 is riveted to the curb 3. More precisely, the blind tapped hole opens onto the base of the cylindrical portion of the rivet 7 which faces the glazing bead 4, without opening onto the base of the cylindrical portion of the rivet 7 which is opposite the insulating material, so that, in the event of infiltration of fluid within the rivet 7, the fluid does not flow onto the insulating material.
  • the threaded portion of the rivet 7 is not deformed when the rivet 7 is riveted to the curb 3, that is to say that the threaded portion of the rivet 7 is distinct from the weak portion of the rivet 7.
  • a method of manufacturing the skylight 1 illustrated in the figure 1 and on the picture 2 advantageously comprises the successive steps described below.
  • a steel sheet is cut E1, so as to form the glazing bead 4 on the one hand, as illustrated in the figure 6 , and the panels 301, 302, 303, 304 of the curb 3 on the other hand.
  • the cutout E1 can be made by any suitable cutting means, such as by stamping, punching or even by laser, the latter notably making it possible to limit the deformations of the sheet.
  • Fixing holes 300, 323, 313, 400 are made E2 in the glazing bead 4 as in the panels 301, 302, 303, 304 of the curb 3.
  • the fixing holes 300, 323, 313 are made both in the base part 30 of each panel 301, 302, 303, 304, for fixing to the cover, and in the fixing flanges 321 and the edges 322 of the body part 32 of each panel 301, 302, 303 , 304, for fixing by riveting and gluing, and only in the rim portion 31 of each panel 301, 302, 303, 304, for riveting the rivets 7 tapped.
  • the fixing holes 400 are made in the retaining part 41 for fixing the spacers 6 to the glazing bead 4.
  • the practice E2 of the fixing holes 300, 323, 313, 400 can be made by stamping, punching or even laser, the latter allowing in particular to limit the deformations of the sheet.
  • the body of the curb could comprise only a single panel which, once the fixing holes have been made, would then be bent and/or folded so as to match a first rim and a second rim.
  • each panel 301, 302, 303, 304 are formed by folding E3 of the panels 301, 302, 303, 304, so as to delimit the body part 32.
  • the retaining part 41 and the flap parts 42 of the glazing bead are formed by folding E3 or by stamping, which may be supplemented by punching if the frame of the glazing bead 4, with its central opening 4000 to allow the passage of light to through the glazing 2, has not previously been cut in the sheet.
  • the side edges 422, 423 of the flap parts 42 are fixed together, preferably by welding, using an internal and/or external cord at the junction between the side edges 422, 423.
  • the rim parts or the rim 31 are/are placed E4 on a flat frame (not shown), in order to guarantee the flatness of the rim 31 as exact as possible, in order to then receive the glazing 2.
  • the surface of the frame on which the rim 31 is placed therefore extends in a plane without deviating from it, the plane preferably extending according to the inclination of the glazing 2 sought in the skylight 1.
  • the first edge 321 of the body 32 of the curb 3 is glued E5 to the second edge 322 of the body 32 of the curb 3.
  • the bonding E5 is implemented by depositing separate portions of glue which are distributed along the second edge 322 and/or the first edge 321.
  • the portions of glue are deposited on the edge 322 of the panels 301, 302, 303, 304 facing the fixing flange 321, so that, when approach and put the clamp 321 in pressure on the second edge 322, the glue is crushed outwards. In this way, if the junction between the fixing flange 321 and the second edge 322 is caused to creep by thermal expansion, the creep can open outwards in order to guarantee the tightness of the skylight 1.
  • the first edge 421 is riveted E6 to the second edge 422, the rim portions or the rim 31 still being placed on the flat frame.
  • the curved and/or folded panel forming the body is then attached and fixed to the rim, typically by riveting and gluing, according to the same method. , or by welding, providing an internal weld bead at the junction between flange and body and an external bead at the junction between flange and body.
  • the base is then attached and fixed to the curved and/or folded panel forming the body, typically by riveting and gluing, using the same method, or by welding, leaving an internal weld bead at the junction between base and body and a bead external to the junction between base and body.
  • the curb 3 is mounted upside down on the flat frame, the flange 31 being in contact with the flat frame to ensure flatness. Curb 3 is then turned over to implement the following manufacturing steps.
  • the fastening member which is preferably a blind threaded rivet 7, is then fixed E7 to the curb 3, preferably to the rim 31 of the curb 7, preferably by riveting.
  • This is implemented by inserting rivets 7 within each of the orifices 313 of the rim 31 of the curb 3 provided for this purpose, then by pulling on the tie rod and deforming the weak portion through the head of each rivet 7 , which ensures a seal around each orifice 313 made in the flange 31.
  • Each spacer 6 is then fixed E8 to the curb 3, by screwing their stud 61 into the blind threaded rivets 7 which are riveted to the curb 3.
  • Glazing 2 is positioned E9 on edge 31 of curb 3, in the space delimited by spacers 6.
  • the glazing bead 4 is arranged on the glazing 2 and fixed E10 to the curb 3 by means of screws 8 and washers 9 of the fastening system.
  • Each screw 8 passes through the glazing bead 4 to cooperate with the blind threaded hole 62 of the spacer 6.
  • the tightening of each screw 8 is implemented, preferably, with a torque wrench, the tightening intensity of which is controlled by tenth of a Newton thanks to the presence of spacers 6.
  • the E10 fixing is made by tightening a nut on each threaded rod projecting from the body section of each spacer, which threaded rods pass through the glazing bead, preferably by means with a torque wrench.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP22207734.9A 2021-11-17 2022-11-16 Dachfenster Active EP4183947B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2112157A FR3129163B1 (fr) 2021-11-17 2021-11-17 Lanterneau

Publications (2)

Publication Number Publication Date
EP4183947A1 true EP4183947A1 (de) 2023-05-24
EP4183947B1 EP4183947B1 (de) 2024-05-08

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ID=79171140

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Application Number Title Priority Date Filing Date
EP22207734.9A Active EP4183947B1 (de) 2021-11-17 2022-11-16 Dachfenster

Country Status (2)

Country Link
EP (1) EP4183947B1 (de)
FR (1) FR3129163B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1103521A (en) * 1965-01-25 1968-02-14 Esser Kg Klaus A double-glazed domed light
FR2487886A1 (fr) * 1980-08-04 1982-02-05 Wasco Products Lucarne a grande isolation thermique
US4439962A (en) * 1978-07-10 1984-04-03 Wasco Products, Inc. Skylight construction

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1798950U (de) * 1959-08-04 1959-10-29 Klaus Esser Bau Und Industrieb Doppelschalige lichtkuppel.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1103521A (en) * 1965-01-25 1968-02-14 Esser Kg Klaus A double-glazed domed light
US4439962A (en) * 1978-07-10 1984-04-03 Wasco Products, Inc. Skylight construction
FR2487886A1 (fr) * 1980-08-04 1982-02-05 Wasco Products Lucarne a grande isolation thermique

Also Published As

Publication number Publication date
FR3129163A1 (fr) 2023-05-19
EP4183947B1 (de) 2024-05-08
FR3129163B1 (fr) 2024-03-01

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