EP3480382B1 - Dichtungsfuge für vorhangfassade, vorhangfassade, die solche dichtungsfugen umfasst - Google Patents

Dichtungsfuge für vorhangfassade, vorhangfassade, die solche dichtungsfugen umfasst Download PDF

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Publication number
EP3480382B1
EP3480382B1 EP18203831.5A EP18203831A EP3480382B1 EP 3480382 B1 EP3480382 B1 EP 3480382B1 EP 18203831 A EP18203831 A EP 18203831A EP 3480382 B1 EP3480382 B1 EP 3480382B1
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EP
European Patent Office
Prior art keywords
seal
profile
face
mullion
fixing foot
Prior art date
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Application number
EP18203831.5A
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English (en)
French (fr)
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EP3480382C0 (de
EP3480382A1 (de
Inventor
Francis Lasfargues
Robert Clauzet
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Hydro Extruded Solutions AS
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Hydro Extruded Solutions AS
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Publication of EP3480382A1 publication Critical patent/EP3480382A1/de
Application granted granted Critical
Publication of EP3480382C0 publication Critical patent/EP3480382C0/de
Publication of EP3480382B1 publication Critical patent/EP3480382B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
    • E04B2/967—Details of the cross-section of the mullions or transoms

Definitions

  • the present invention belongs to the field of the construction of glazed facades for buildings, and relates more particularly to a seal for a curtain wall, as well as a curtain wall comprising such seals.
  • the present invention finds a particularly advantageous application, although in no way limiting, in the case of a curtain wall delivered in separate parts and assembled on site.
  • Such a waterproofing system must above all prevent the infiltration of water within the curtain wall, so that the structure of the curtain wall is not subject to humidity which, if it accumulates for an extended period, can be the cause of inconvenience: water infiltration directly into the interior environment, development of mold within the structure of the curtain wall, etc.
  • a curtain facade comprises a frame formed by assembling mullion sections with crosspiece sections.
  • This framework supports glazed elements of said curtain wall, typically double glazing taking the form of panels, for example rectangular panels.
  • These glazed elements are in contact with seals fitted to the profiles in order to prevent water from penetrating.
  • connection elements have been proposed between mullion sections and crosspiece sections.
  • Such a connecting element forms an extension of a transom profile and is configured so as to allow the evacuation of moisture accumulated in said transom profile through drainage surfaces of a mullion profile to which the transom profile is connected.
  • connection elements and associated with seals all substantially identical dimensionally and fixed on mullion and crosspiece sections of particular configurations.
  • the joints of the transom profiles are only in contact with the joints of the mullion profiles at the level of the intersection zone, which contributes to the improvement of sealing, without making it optimal.
  • the contact between two seals is all the more tight as said seals are compressed towards each other.
  • the shape of the seals used hitherto does not favor obtaining sufficient compression to achieve optimum sealing, and this especially when the glazed elements are installed bearing against the seals.
  • the present invention is defined by the characteristics of claim 1 and its objective is to remedy all or part of the drawbacks of the prior art, in particular those set out above, by proposing a solution which makes it possible to have a joint of seal for a curtain facade, said seal being adapted to promote excellent compression in the direction of another seal of the same type with which it is intended to be brought into contact at the level of a zone intersection of the curtain wall. Said seal also makes it possible to compensate effectively, over time, for the manufacturing tolerances of the curtain wall that it is intended to equip, as well as the deformations undergone by the structure of said curtain wall.
  • the present invention aims to provide a curtain facade comprising such seals.
  • the seal may also include one or more of the following characteristics, taken separately or in any technically possible combination.
  • Said deformation means are a curved surface of said contact part, said curved surface extending between a first end common to the lateral junction face and a second end common to the lateral bearing face, so as to present a curvature oriented towards the fixing foot, said curved surface being inclined at least at the level of said first end by a non-zero angle ⁇ with respect to the horizontal, in the direction going from the fixing foot towards the contact part.
  • said second end has the shape of a protruding tab.
  • Said junction side face is inclined at a non-zero angle ⁇ with respect to the vertical, in the direction going from the support side face towards the junction side face.
  • said lateral support face comprises a lug so as to form a support part positioned between said fixing foot and said lug, said support part being intended to be arranged in leaktight support against a edge of the drainage surface of the profile.
  • said seal comprises means for aiding the cutting of said seal along a horizontal plane P positioned between said contact part and said fixing foot.
  • said cutting aid means are at least one cell extending, in the plane P, over a predetermined distance along the length of said seal.
  • the seal deprived of its fixing base is made of cellular EPDM foam.
  • the invention relates to a curtain facade with the characteristics of claim 1.
  • the curtain facade can also include one or more of the following characteristics, taken individually or in all technically possible combinations.
  • the seal of a crosspiece profile extends over a length substantially greater than the length of said crosspiece profile.
  • each profile comprises two seals cooperating respectively with two fixing grooves arranged on either side of said at least one drainage surface of said profile.
  • each drainage surface comprises a rim resting on a fixing groove and extending in the direction of the glazed elements, said rim further comprising a return end so as to present an L-shape facing towards said drainage surface, said bearing part of each seal being arranged to bear tightly against the edge of the drainage surface of the profile fitted with said seal, so as to conform to said L-shape
  • the present invention finds its place in the field of the construction of curtain walls for buildings, such as for example a building comprising housing or offices, and more particularly finds an application in the protection of such curtain walls against projections of water (or any other liquid) and moisture resulting from such splashes.
  • FIG 1 schematically represents an exemplary embodiment of such a seal 100, and corresponds to a view in a cross section of said seal 100.
  • the seal 100 as shown in the figure 1 is at rest, i.e. it is not deformed by any compressive force.
  • Said seal 100 extends along a longitudinal axis, and along a predetermined length, between two ends which respectively have a cross section conforming to that illustrated in the figure 1 .
  • transverse reference is therefore made here and for the rest of the description to a section along a plane normal to said longitudinal axis.
  • the curtain facade with which the seal 100 is intended to cooperate comprises a framework formed by assembling mullion sections with crosspiece sections, said framework supporting glazed elements of said curtain façade.
  • Each profile comprises, in a manner known to those skilled in the art, a fixing groove as well as a drainage surface.
  • a geometric and mechanical configuration of the curtain wall is described in more detail later.
  • the seal 100 includes a fixing foot 110 intended to cooperate with a fixing groove of a profile.
  • said fixing foot 110 has an end taking the form of a mushroom with an inverted head and extending from a base which forms a face of the seal.
  • the fixing foot 110 is also sized so that it can be clipped into the fixing groove of the profile, thus maintaining the seal 100 in a fixed position on the profile.
  • said section with which the seal 100 is intended to cooperate can equally well be a mullion section or a cross section.
  • the seal 100 is conventionally formed by extrusion, along its longitudinal axis, of extensible polymer materials, typically synthetic rubber.
  • the seal 100 deprived of its fixing foot 110 is made of cellular EPDM (acronym for the ethylene-propylene-diene monomer formulation) foam.
  • active part reference is made here to a part intended to undergo mechanical stresses, for example following a support exerted by a glazed element or even another contiguous seal, as well as configured, both in terms of shape and of materials used, to compensate for these constraints.
  • the fixing foot 110 for its part, is for example made of compact EPDM material, which advantageously makes it possible to stiffen the seal 100 at the level of said fixing foot 110. It should be noted that a person skilled in the art knows produce a seal 100 consisting of materials having different respective densities. Alternatively, the seal 100 in its entirety is for example made of cellular EPDM foam.
  • the seal 100 has an outer surface comprising a contact part 120 opposite said fixing foot 110 and intended to support a glazed element. More particularly, such a glazed element is planar in shape and is pressed, during the assembly of the curtain facade, against said contact part 120 which therefore crushes under the effect of this cladding due to the materials used for the realization of the seal 100, in particular its active part.
  • the contact part 120 then tends to match the flat shape of the glazed element when the latter exerts a pressure directed from said contact part 120 towards the fixing foot 110.
  • Said external surface comprises a lateral face, called junction 130, connecting said contact part 120 to said fixing foot 110. Furthermore, the external surface also comprises a lateral face, called support 140, connecting said contact part 120 to said fixing foot 110 and opposite to said lateral junction face 130, said lateral support face 140 being intended to be arranged on the side of a drainage surface of the profile. As shown on the figure 1 in no way limiting, said side faces 130, 140 are substantially parallel when the seal 100 is at rest.
  • the notions of upper, lower, above, below, high, low, horizontal and vertical are defined with respect to the relative position of the fixing foot 110 with said contact part 120.
  • the direction according to an axis connecting the fixing foot 110 to the contact part 120 is said to be vertical, the horizontal direction being for its part orthogonal to the vertical direction.
  • the contact part 120 and the fixing foot 110 are arranged respectively at the upper level and at the lower level of the seal 100.
  • the face of the seal 100 from which extends the fixing foot 110 is called the underside 150.
  • the seal 100 comprises deformation means configured to extend substantially horizontally, in a cross section of said seal 100, said contact portion 120 at least in the direction going from the lateral bearing face 140 towards the lateral junction 130, when a pressure, substantially directed from said contact part 120 towards said fixing foot 110, is exerted on said contact part 120.
  • extend here has the same meaning as the term “stretch”, so that the use of this or that term should not create confusion.
  • Such deformation means thus make it possible to increase horizontally, by elastic deformation, the surface of the contact part 120, this deformation occurring, when said pressure is exerted, essentially at the upper level of the seal 100, namely its contact part 120. It should nevertheless be noted that due to its elastic composition, the active part of the seal 100, located beyond the contact part 120, is also likely to extend locally horizontally when said pressure is exercised. This being the case, the deformation means advantageously allow the deformation undergone by the contact part 120 to be substantially greater, in terms of horizontal distance, than that undergone by the rest of the active part of the seal 100.
  • Such a configuration then makes it possible to obtain excellent sealing at the level of an intersection zone between a mullion section and a crosspiece section of the curtain wall, even more particularly in an interior corner of this zone in contact with a glazed element. Indeed, by stretching in this way, the seal 100 will be all the more compressed when faced with an obstacle located in its direction of stretching. Therefore, it is understood that if this obstacle is another seal, the compression between these two seals is greatly accentuated due to said deformation means.
  • the deformation of the seal 100 also makes it possible to advantageously compensate for the manufacturing tolerances of the curtain wall that it is intended to equip, more specifically the dimensional tolerances of the mullion and transom profiles. This is further reinforced when the gasket is fixed to a mullion profile so as to be in contact with another seal fixed to a transom profile. Indeed, the relative movements of these two seals due to the compression generated by the deformation means make it possible to minimize the possible assembly deviations which could result from manufacturing errors, which in general can be of the order of a few millimeters in regarding the profiles of the facade.
  • said deformation means are a curved surface of said contact part 120.
  • Said curved surface extends between a first end 121 common to the side face of junction 130 and a second end 122 common to the side face of support 140, so as to present a curvature oriented towards the fixing foot 110.
  • curvature oriented towards the fixing foot 110 reference is made here to the fact that the curved surface has a curvature whose center of curvature is outside to the seal 100.
  • the contact part 120 thus shaped hollows the external surface towards the fixing foot 110.
  • the contact part 120 has such a domed surface only when the seal 100 is at rest.
  • the configuration of said contact part 120 not only aims for a horizontal stretch but also flattening along the stretch direction. Such flattening promotes better sealing at the level of contact with the glazed element.
  • said curved surface is inclined at least at the level of said first end 121 by a non-zero angle ⁇ with respect to the horizontal, in the direction going from the fixing foot 110 towards the contact part 120.
  • the inclination of such a slope is adapted so that the contact part 120 stretches in priority horizontally, in the direction going from the lateral face support 140 towards the lateral junction face 130.
  • the angle ⁇ is included in the interval [15°, 35°] with respect to the horizontal (the horizontal and the inclination of the slope are shown in dotted lines on the figure 1 ), for example more particularly a value of 25°.
  • said first end 121 is in the form of a point pointing upwards.
  • Such a configuration thus allows the seal 100, when it is compressed and fixed on a profile of the curtain wall, to stretch first of all towards the outside of said profile.
  • said second end 122 has the shape of a protruding tongue.
  • said tab is substantially directed in the direction going from the lateral junction face 130 towards the lateral support face 140, said tab being further inclined with respect to the horizontal so as to point upwards and extend to the -beyond the lateral support face 140 according to a predetermined distance.
  • Such a configuration of the second end 122 allows the contact part 120, when it is subjected to a pressure directed from said contact part 120 towards the fixing foot 110, to extend horizontally also in the direction going from the lateral face of junction 130 towards the lateral face of support 140. This is particularly advantageous when the seal 100 is fixed on a profile, because then said tab 122 makes it possible to narrow an air space located between the glazed element and the drainage surface, thereby slowing the passage of moisture from an external environment to said profile.
  • the curved surface of the contact part 120 may have a horizontal slope at the level of the second end 122 so that the support side face 140 is substantially perpendicular to the contact part 120 at the level of said second end 122.
  • said junction side face 130 is inclined at a non-zero angle ⁇ relative to the vertical, in the direction going from the support side face 140 towards the junction side face 130.
  • said angle ⁇ has a value comprised in the interval [2°, 10°] when the seal 100 is not deformed (the vertical and the inclination of the lateral face of the junction are shown in dotted lines on the figure 1 ), for example more particularly a value of 3.5°.
  • the lateral junction face 130 leans outwards, beyond a frame forming said profile.
  • Such a configuration is particularly advantageous when it is combined with the means for deforming the seal 100.
  • the inclination of the lateral junction face 130 allows, in itself, when the seal 100 is fixed on a mullion profile, to favor contact of the upper part of said joint 100 with another joint of a cross member profile connected to said mullion profile.
  • the deformation means alone contribute to obtaining excellent sealing, it is understood that the combination of these means with an inclined junction side face 130 according to the invention contributes to obtaining optimum sealing. Indeed, once a joint of a mullion section has come into contact with a cross section of a crosspiece joint, via the lateral junction face 130 of said mullion joint, the deformation means will allow, pressure of the glazed element on the joints, that the joint of the mullion profile extends towards the joint of the crosses so as to increase the compression at their contact. The contact is then sealed by this increase in the level of compression.
  • the junction side face 130 is flat. This is an advantageous configuration when the seal 100 equips a mullion section and is brought into contact with a seal of the same type of a cross section. Indeed, as explained above, when contact is established between these two joints, the reinforced compression obtained by the deformation means initially brings the joint of the mullion profile closer to the joint of the crosspiece profile at the level of the part top of the mullion seal. As the compression increases, and in a second step, the flat surface of the mullion joint also approaches the joint of the transom profile to end up pressing against the cross section of the latter, thus limiting any risk. moisture infiltration.
  • said lateral support face 140 comprises a lug 141 so as to form a support part 142 positioned between said fixing foot 110 and said lug 141, said support part 142 being intended to be arranged in waterproof support against an edge of the drainage surface of the profile.
  • a rim of the drainage surface is in particular configured so that hardware elements cooperate with the drainage surface.
  • the lug 141 of the lateral support face 140 extends for example substantially normally to the lateral support face 140. In this way, when the rim of the drainage surface is configured substantially in the shape of an L, the part support 142 matches the shape of the rim, said lug 141 resting in tight support on a branch of the L.
  • the seal 100 comprises means for aiding the cutting of said seal 100 along a horizontal plane P positioned between said contact part 120 and said fixing foot 110.
  • Such means advantageously allow easy cutting of the seal 100 in said plane P so as to be able to remove a mass from said seal 100 (the plane P is shown in dotted lines in the figure 1 ). It is in fact understood that when a mass of substantially parallelepipedic shape must be removed from the seal 100, from the contact part 120, it is first necessary to cut the seal 100, over a distance allowing said cutting aid means, along substantially parallel cross sections. The respective executions of such notches are easy insofar as they are made from the contact part 120 which is directly accessible.
  • the final cutting of the mass takes place at the level of the plane P which is less accessible than the contact part 120 insofar as it extends into an internal volume of the seal. 100, said internal volume being delimited by the external surface.
  • said cutting aid means make it possible to cut the seal 100 more easily and more quickly at the level of the plane P.
  • said cutting aid means are at least one cell 170 extending, in the plane P, over a predetermined distance along the length of said seal 100.
  • said cutting aid means constitute a targeted recess of the seal 100 at the level of the plane P, which facilitates cutting due to a reduction in the resistance encountered against the elastic mass, and allows thus a clear and rapid execution in a privileged direction.
  • the seal 100 comprises four contiguous cells 170 extending in the plane P along the longitudinal axis of said seal.
  • the invention relates to a curtain facade comprising seals.
  • FIG 2 schematically represents an embodiment of a portion 200 of a curtain facade, and corresponds to a perspective view from an observation point located in an external environment 10 of said curtain facade 200.
  • the curtain wall comprises a frame formed by assembling mullion sections 210 with crosspiece sections 220, said frame supporting glazed elements 300 of said curtain wall.
  • Said profiles 210, 220 are conventionally made by extrusion, for example from aluminum material.
  • said mullion 210 and crosspiece 220 profiles are identical, which contributes to facilitating and accelerating the production of the elements necessary for the construction of the curtain wall.
  • the framework of the curtain wall is for example assembled even before being delivered to the site, or for example still delivered to the site in separate parts to be assembled on site.
  • the curtain facade thus formed separates the exterior environment 10 from an interior environment 20 (offices, living spaces, etc.) intended to accommodate people.
  • picture 3 schematically represents an embodiment of a section of the portion 200 of the picture 2 , and corresponds to a view in a cross section of said profile.
  • the mullion 210 and crosspiece 220 sections used to form the framework of the figure 2 are identical to each other.
  • picture 3 therefore illustrates a mullion section 210, but it is easy to understand that the reference sign "210" of the picture 3 can be replaced by the reference sign "220" without this causing any confusion.
  • the use of the term "profile” without it being specified whether it is a mullion profile or a cross member profile refers indiscriminately to one of these two types of profiles.
  • the length of a profile 210, 220 then corresponds to the dimension of said profile 210, 220 counted along the axis normal to the cross section as illustrated in the picture 3 .
  • Each profile 210, 220 comprises along its length at least one fixing groove 230 as well as at least one drainage surface 240. Such a configuration is known to those skilled in the art.
  • each profile 210, 220 comprises two fixing grooves 230 arranged on either side of said at least one drainage surface 240 of said profile 210, 220.
  • Each fixing groove 230 comprises two side faces 231, 232 interconnected by a base so as to have a general U-shape.
  • One 231 of said side faces extends a face of the profile 210, 220 intended to be normal to the glazed elements 300.
  • the other side face 232 of the fixing groove 230 is in turn resting against one end of the drainage surface 240, so that this other side face 232 is substantially normal to said drainage surface 240.
  • the profile 210, 220 comprises a retaining groove 250 configured to receive a retaining element, such as for example a screw 251, said retaining element 251 making it possible to connect the profile 210, 220 in a fixed manner to an outer cover 400 so that the glazed elements 300 are held between said outer cover 400 and said profile 210, 220.
  • a retaining element such as for example a screw 251
  • the two fixing grooves 230 are interconnected by a surface from which extends normally, in the direction of the glazed elements 300, said holding groove 250. In this way, said surface is separated into two parts which respectively form two drainage surfaces 240.
  • Each profile 210, 220 is equipped with at least one seal 100, so that the contact part 120 of a seal 100 is deformed by compression exerted by a glazed element 300.
  • a seal 100 is fixedly arranged in a fixing groove 230 of a profile 210, 220 by inserting the fixing foot 110 of said seal 100.
  • each profile 210, 220 comprises two seals 100 cooperating respectively with two fixing grooves 230 arranged on either side of said at least one drainage surface 240 of said profile 210, 220.
  • the fixing foot 110 of a seal 100 is inserted by clipping between the side faces 231, 232 of a U-shaped fixing groove 230.
  • each section includes two seals, one of said two seals of conventional configuration known up to now to those skilled in the art. It is however noted that the implementation for each profile of two seals according to the invention advantageously makes it possible to obtain optimum sealing at the level of each glazed element.
  • THE figures 4a and 4b schematically represent an embodiment of a mullion section 210 connected with two crosspiece sections 220 to form the portion 200 of the picture 2 , and correspond to respectively grouped and exploded views of the assembly of these sections 210, 220.
  • Each crosspiece profile 220 is connected in a substantially orthogonal manner to at least one mullion profile 210 by means of a connector 221 fixedly mounted at one connecting end 222 of said crosspiece profile 220, so as to extend said at least a drainage surface 240 of said cross-piece profile 230, said connecting end 222 then resting against said mullion profile 210.
  • a connector 221 is fixedly connected to a cross-piece profile 220 in a manner known per se, for example by means of 'a screw.
  • Such a connector 220 is known per se, and for example conforms to the connector described in the document EP2787138 .
  • the connecting end 222 of a cross member profile corresponds to a cross section of said crosspiece profile 220 as illustrated for example in the picture 3 . It is also noted that when the crosspiece section 220 includes a retaining groove 250 as described above, the connector 221 is also advantageously configured to extend said retaining groove 250.
  • said framework forms a frame of the grid type.
  • Each mullion section 210 is then connected to one or two crosspiece sections 220 depending on whether said mullion section 210 is arranged on the edge or not of said grid.
  • connectors 221 it is also possible to use, in a manner known per se, retaining pins to connect the mullion 210 and crosspiece 220 sections to each other.
  • the facade portion 200 comprises a mullion section 210 substantially normal to the ground plane (not shown in the figures), two crosspiece sections 220 being further connected to said mullion section 210 on either side of the latter of so that said portion 200 has a cross shape delimiting four quadrants equipped with glazed elements 300.
  • Said glazed elements 300 are panels of rectangular shape, each panel forming for example double glazing.
  • a first pane then faces the outside environment 10, while a second pane, separated from the first pane by an air gap, faces the inside environment 20.
  • Such intersection zones 500 are for example illustrated on the figure 4b (dashed circles).
  • a seal 100 of a crosspiece profile 220 extends over at least the entire length of said crosspiece profile 220, so as to be in exclusive contact with a seal 100 of mullion profile 210.
  • exclusive contact and as illustrated in the figure 4b , reference is made here to the fact that a joint 100 fitted to a crosspiece profile 220 has no point of contact with the very rigid structure (for example made of aluminum) of the mullion profile 210 with which said transom profile 220 is connected.
  • the fact of having such an exclusive joint-to-joint contact is advantageous because it makes it possible to avoid multiple contacts between materials of different constitutions at the level of the connecting end 222 of the crosspiece profile 220, for example contacts between a gasket and aluminum. Indeed, such multiple contacts are known to be a limiting factor in sealing performance in the intersection area 500.
  • the seals 100 of the mullion 210 and of the crosspiece 220 are for example configured so that they have respective side junction faces 130 of substantially identical dimensions.
  • the vertical heights of the seals 100, at their respective side junction faces 130, are identical.
  • the seal 100 of a crosspiece profile 220 extends over at least the entire length of the crosspiece profile 220 allows said seal 100 to have a cross section which, at a minimum, flush with a connecting end 222 of said crosspiece profile 220.
  • Such a configuration makes it possible to engage the contact with the seal 100 located opposite on the mullion profile 210 connected to said crosspiece profile 220.
  • the contact part 120 of the mullion seal 210 is stretched due to the support provided by the glazed element 300, it is understood that the two seals 100 come into contact by compressing each other at the level of the intersection zone 500. A such compression is moreover accentuated when at least the lateral junction face 130 of the joint 100 of the mullion profile 210 is inclined by a non-zero angle ⁇ , as explained above in detail.
  • a seal 100 of a crosspiece section 220 extends over a distance substantially greater than the length of the crosspiece section 220.
  • the difference in length between the seal 100 and the crosspiece profile 220 is of the order of a few centimeters, for example a difference comprised in the interval [1cm, 3cm], for example more particularly 2cm.
  • Such a configuration allows the joint 100 of the crosspiece profile 220 to extend slightly beyond the fixing end 222 of said crosspiece profile 220, so as to bring the end of the joint 100 of the transom even closer to the contact portion 120 of the mullion joint.
  • the mutual compression obtained between the crosspiece joint and the mullion joint is further advantageously reinforced.
  • each seal 100 of a mullion profile 210 includes a notch 160 configured to cooperate, in compression along said seal 100, with the connector 221 connecting said mullion profile 210 to a cross member profile. 220.
  • a notch 160 therefore forms a recess in which the connector 221 is housed so as to be in contact with the entire surface of said notch 160. It is important to note that by "notch”, reference is made here to a part recessed which does not entirely cross the seal 100. In other words, the mullion seal comprising such a notch 160 remains in one piece.
  • said notch 160 is substantially U-shaped, so that it corresponds to the release of a substantially parallelepipedic mass from the joint 100 of the mullion section 210. It is for example obtained by transverse cuts in the joint 100 of the mullion 210, then by cutting along a plane P (said plane P is horizontal with reference to the figure 1 ). To this end, when the joint 100 of the mullion section 210 comprises cutting aid means, the production of the notch 160 is facilitated.
  • the cutout along said plane P defines a base of the notch against which the connector 221 is arranged. More particularly, the connector 221 is pressed against said base so as to compress it, which advantageously contributes to increasing the sealing at the level of the contact between the connector 221 and the base.
  • the fact that the notch 160 is configured to cooperate with the connector 221 in compression along said seal 100 also makes it possible to obtain an excellent seal at the level of the contacts established between the connector 221 and the surface of the notch 160 which is not parallel to the longitudinal axis of the seal 100.
  • the base of the notch 160 connects two cross sections of the seal 100 of the mullion section 210.
  • the connector 221 then cooperates with the notch 160 so as to be in sealed contact with said two cross sections.
  • the length of the base, counted in the direction of the longitudinal axis of the seal 100, is substantially less (for example by a few millimeters, typically 5mm to 10mm) than the dimension of the connector 221 along this same axis. In this way, the connector 221 is held in the notch 160 by compression between said cross sections of the gasket 100.
  • each drainage surface 240 comprises a rim 241 resting on a fixing groove 232 and extending in the direction of the glazed elements 300, said rim 241 further comprising a return end so as to present an L-shape facing towards said drainage surface 240.
  • Said bearing part 142 of each seal 100 is arranged to bear tightly against the edge 241 of the drainage surface 240 of the profile equipped with said seal 100, so as to conform to said L-shape
  • the support part 142 also has an L-shape thanks to the presence of the lug 141.
  • the fact that the support part 142 of the joint 100 comprises a lug 141 so to cooperate with the L-shape of said rim 241 makes it possible to increase the seal at the level of the support of the seal 100 with the drainage surface 240. Indeed, if the rim does not include a return and if the part of support does not have a lug, moisture could infiltrate between the support part and the rim.
  • such a configuration of the rim 241 of the drainage surface 240 advantageously allows the cooperation of hardware elements which are thus kept fixed with the profile 210, 220 at the level of the drainage surface 240.
  • said elements hardware are glazing support plates, fixed to the crosspiece profiles 220 and substantially normal to the drainage surfaces 240 of these profiles.
  • a curtain facade fitted with seals according to the invention has optimum and long-lasting sealing performance, said seals also making it possible to effectively compensate, during the time, the manufacturing tolerances of said curtain wall, as well as the deformations undergone.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Claims (8)

  1. Vorhangfassade, umfassend ein Gerüst, das ausgebildet wird durch den Zusammenbau von Pfostenprofilen (210) mit Querbalkenprofilen (220), wobei das Gerüst Glaselemente (300) der Vorhangfassade stützt, solcherart, dass:
    - jedes Profil (210, 220) über seine Länge wenigstens eine Befestigungsnut (230) sowie wenigstens eine Drainagefläche (240) umfasst,
    - jedes Querbalkenprofil (220) auf im Wesentlichen rechtwinklige Weise mit wenigstens einem Pfostenprofil (210) fest verbunden ist durch ein Verbindungselement (221), das im Bereich eines Verbindungsendes (222) des Querbalkenprofils (220) fest montiert ist, solcherart, dass die wenigstens eine Drainagefläche (240) des Querbalkenprofils (220) verlängert wird, sodass das Verbindungsende (222) dann auf dem Querbalkenprofil (210) aufliegt,
    - jedes Profil (210, 220) mit wenigstens einer Dichtung (100) ausgestattet ist, solcherart, dass der Kontaktabschnitt (120) einer Dichtung (100) verformt wird durch Kompression, die durch ein Glaselement (300) ausgeübt wird, wobei jede Dichtung (100) einen Befestigungsfuß (110) umfasst, der dafür bestimmt ist, mit der Befestigungsnut (230) eines Profils (210, 220) zusammenzuwirken, sowie eine äußere Fläche, die Folgendes umfasst:
    o einen Kontaktabschnitt (120), der dem Befestigungsfuß (110) gegenüberliegt und dafür bestimmt ist, ein aufliegendes Glaselement (300) aufzunehmen,
    ∘ eine seitliche Fläche, Verbindungsfläche (130) genannt, die den Kontaktabschnitt (120) mit dem Befestigungsfuß (110) verbindet,
    ∘ eine seitliche Fläche, Auflagefläche (140) genannt, die den Kontaktabschnitt (120) mit dem Befestigungsfuß (110) verbindet und der seitlichen Dichtungsfläche (130) gegenüberliegt, wobei die seitliche Auflagefläche (140) dafür bestimmt ist, auf der Seite der Drainagefläche (240) des Profils (210, 220) angeordnet zu werden,
    wobei eine Achse, die den Befestigungsfuß (110) mit dem Kontaktabschnitt (120) verbindet, eine vertikale Richtung definiert und eine horizontale Richtung, die als Senkrechte zu der vertikalen Richtung definiert ist,
    wobei jede Dichtung (100) Verformungsmittel umfasst, die konfiguriert sind, um in einem Querschnitt der Dichtung (100) im Wesentlichen horizontal gemäß einer Achse, die senkrecht zu der Achse verläuft, die den Befestigungsfuß (110) mit dem Kontaktabschnitt (120) verbindet, den Kontaktabschnitt (120) wenigstens in der Richtung zu dehnen, die von der Auflagefläche (140) zu der seitlichen Verbindungsfläche (130) verläuft, wenn ein Druck, der im Wesentlichen von dem Kontaktabschnitt (120) auf den Befestigungsfuß (110) gerichtet ist, auf den Kontaktabschnitt (120) ausgeübt wird,
    wobei es sich bei den Verformungsmitteln um eine gewölbte Oberfläche des Kontaktabschnitts (120) handelt, wobei sich die gewölbte Oberfläche zwischen einem ersten Ende (121), das sie mit der seitlichen Verbindungsfläche (130) gemeinsam hat, und einem zweiten Ende (122), das sie mit der seitlichen Auflagefläche (140) gemeinsam hat, erstreckt, solcherart, dass sie eine Krümmung aufweist, die zu dem Befestigungsfuß (110) ausgerichtet ist, wobei die gewölbte Oberfläche wenigstens im Bereich des ersten Endes (121) mit einem Winkel α, der in Bezug auf die Horizontale nicht null beträgt, in die Richtung geneigt ist, die von dem Befestigungsfuß (110) zu dem Kontaktabschnitt (120) verläuft,
    wobei die seitliche Verbindungsfläche (130) in einem Winkel θ, der in Bezug auf die Vertikale nicht null beträgt, in die Richtung geneigt ist, die von der seitlichen Auflagefläche (140) zu der seitlichen Verbindungsfläche (130) verläuft,
    - sich eine Dichtung (110) eines Querbalkenprofils (220) wenigstens über die ganze Länge des Querbalkenprofis (220) erstreckt, solcherart, dass die sich in exklusivem Kontakt mit einer Dichtung (100) des Pfostenprofils (210) befindet,
    - jede Dichtung (100) eines Pfostenprofils (210) eine Aussparung (160) enthält, die konfiguriert ist, um, in Kompression entlang der Dichtung (100), mit dem Verbindungselement (221) zusammenzuwirken, das das Pfostenprofil (210) mit dem Querbalkenprofi (220) verbindet.
  2. Vorhangfassade nach Anspruch 1, dadurch gekennzeichnet, dass sich die Dichtung (100) eines Querbalkenprofils (220) über eine Länge erstreckt, die im Wesentlichen größer ist als die Länge des Querbalkenprofils (220).
  3. Vorhangfassade nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass jedes Profil (210, 220) zwei Dichtungen (100) umfasst, die jeweils mit zwei Befestigungsnuten (230) zusammenwirken, die beidseitig der wenigstens einen Drainagefläche (240) des Profils (210, 220) angeordnet sind.
  4. Vorhangfassade nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass, wenn die seitliche Auflagefläche (140) jeder Dichtung (100) einen Stift (141) aufweist, solcherart, dass ein Auflageabschnitt (142) gebildet wird, der zwischen dem Befestigungsfuß (110) und dem Stift (141) positioniert ist, jede Drainagefläche (240) einen Rand (241) umfasst, der auf einer Befestigungsnut (230) aufliegt und sich in Richtung der Glaselemente (300) erstreckt, wobei der Rand (241) ein Rückführungsende umfasst, solcherart, dass es eine L-Form aufweist, die zu der Drainagefläche (240) gedreht ist, wobei die Auflagefläche (142) jeder Dichtung (100) in dichter Auflage an dem Rand (241) der Drainagefläche (240) des Profils, das mit der Dichtung (100) ausgestattet ist, angeordnet ist, solcherart, dass sie sich an die L-Form anpasst.
  5. Vorhangfassade nach Anspruch 1, dadurch gekennzeichnet, dass das zweite Ende (122) einer Dichtung die Form einer vorstehenden Zunge hat.
  6. Vorhangfassade nach Anspruch 1, dadurch gekennzeichnet, dass eine Dichtung Hilfsmittel für das Ausschneiden der Dichtung gemäß einer horizontalen Ebene P umfasst, positioniert zwischen dem Kontaktabschnitt (120) und dem Befestigungsfuß (110).
  7. Vorhangfassade nach Anspruch 6, dadurch gekennzeichnet, dass es sich bei den Hilfsmitteln zum Ausschneiden um wenigstens eine Alveole (170) handelt, die sich in der Ebene P über einen vorher festgelegten Abschnitt in der Länge der Dichtung (100) erstreckt.
  8. Vorhangfassade nach Anspruch 1, dadurch gekennzeichnet, dass eine Dichtung (100) ohne Befestigungsfuß (110) aus zellulärem EPDM-Schaum gefertigt wird.
EP18203831.5A 2017-11-02 2018-10-31 Dichtungsfuge für vorhangfassade, vorhangfassade, die solche dichtungsfugen umfasst Active EP3480382B1 (de)

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FR1760332A FR3072984B1 (fr) 2017-11-02 2017-11-02 Joint d’etancheite pour facade rideau, facade rideau comportant de tels joints d’etancheite

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20300137U1 (de) * 2003-01-08 2003-03-20 Schüco International KG, 33609 Bielefeld Tragkonstruktion

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US4283895A (en) * 1978-10-16 1981-08-18 Swiss Aluminium Ltd. Thermally improved expanded store front system
DE202010015534U1 (de) * 2010-11-18 2012-03-01 Gutmann Ag Dichtung
PL2787138T3 (pl) * 2013-04-03 2020-04-30 Hydro Building Systems Poland Sp. z o.o. Złącze do systemu uszczelniania prostopadłych elementów konstrukcji ryglowo-słupowej
DE202014010902U1 (de) * 2014-03-21 2017-01-13 Heroal - Johann Henkenjohann Gmbh & Co. Kg Isolierelement für Fassaden- oder Lichtdachkonstruktionen
CN106978870B (zh) * 2016-11-25 2019-01-15 绿城装饰工程集团有限公司 自排水明框幕墙系统

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20300137U1 (de) * 2003-01-08 2003-03-20 Schüco International KG, 33609 Bielefeld Tragkonstruktion

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FR3072984A1 (fr) 2019-05-03
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FR3072984B1 (fr) 2021-10-22
PL3480382T3 (pl) 2023-10-30

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