EP3480382A1 - 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
EP3480382A1
EP3480382A1 EP18203831.5A EP18203831A EP3480382A1 EP 3480382 A1 EP3480382 A1 EP 3480382A1 EP 18203831 A EP18203831 A EP 18203831A EP 3480382 A1 EP3480382 A1 EP 3480382A1
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EP
European Patent Office
Prior art keywords
seal
profile
cross
face
contact portion
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
EP18203831.5A
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English (en)
French (fr)
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EP3480382C0 (de
EP3480382B1 (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 date
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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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 more particularly relates to a seal for a curtain wall, and 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 as spare parts and assembled on site.
  • Such a sealing 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 moisture which, if it accumulates for an extended period, can be the cause of inconvenience: water infiltration directly within the indoor environment, mold development within the structure of the curtain wall, etc.
  • a curtain wall comprises a framework formed by assembling mullion profiles with cross sections.
  • This framework supports glazed elements of said curtain wall, typically double glazing in the form of panels, for example rectangular panels. These glazed elements are in contact with the joints fitted to the profiles to prevent water from entering. If it becomes clear that the problem of tightness arises at the level of all the contacts made between a glazed element and the joints equipping the profiles, the fact remains that the zone situated at the intersection of a mullion profile and a transom profile remains the most sensitive. Indeed, this is an area in which different elements interconnect (profiles, joints, glazed elements), so that multiple contacts between these elements are created and weaken all the sealing of the facade curtain.
  • connection elements between mullion profiles and cross sections have been proposed.
  • Such a coupling member forms an extension of a cross section and is configured to allow the evacuation of moisture accumulated in said cross sectional profile by drainage surfaces of a mullion profile to which the cross sectional profile is connected.
  • the present invention aims to remedy all or part of the disadvantages of the prior art, including those described above, by proposing a solution that allows to have a seal for curtain wall, said seal being adapted to sustainably promote excellent compression towards another seal of the same type with which it is intended to be brought into contact at an intersection area of the curtain wall. Said seal also makes it possible to effectively compensate, over time, the manufacturing tolerances of the curtain wall it is intended to equip, as well as the deformations experienced by the structure of said curtain wall. In addition, the present invention also aims to provide a curtain wall comprising such seals.
  • said seal comprises deformation means configured to extend substantially horizontally, in a cross section of said seal, said contact portion at least in the direction from the lateral bearing face to the lateral face junction, when a pressure, substantially directed from said contact portion to said attachment foot, is exerted on said contact portion.
  • the seal may further comprise one or more of the following characteristics, taken individually or in any technically possible combination.
  • said deformation means are a curved surface of said contact portion, said curved surface extending between a first end common to the junction lateral face and a second end common to the lateral bearing face. , so as to have a curvature oriented towards the fixing foot, said curved surface being inclined at least at said first end by a non-zero angle ⁇ relative to the horizontal, in the direction from the fixing foot towards the contact part.
  • said second end has a projecting tongue shape.
  • said junction lateral face is inclined at a non-zero angle ⁇ with respect to the vertical, in the direction from the lateral bearing face towards the junction lateral face.
  • said lateral bearing face comprises a lug so as to form a bearing portion positioned between said fixing foot and said lug, said bearing portion being intended to be arranged in sealing engagement against a edge of the drainage surface of the profile.
  • said seal comprises means for assisting the cutting of said seal in a horizontal plane P positioned between said contact portion and said fixing foot.
  • said cutting aid means are at least one cell extending in the plane P, a predetermined distance in the length of said seal.
  • the private seal of its fixing foot is made of cellular EPDM foam.
  • the curtain wall can in addition, include one or more of the following characteristics, taken separately or in any technically feasible combination.
  • the seal of a cross section extends over a length substantially greater than the length of said cross section.
  • each section 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 has a flange resting on a fixing groove and extending towards the glazed elements, said flange further comprising a return end so as to have an L shape facing towards said drainage surface, said bearing portion of each seal being arranged in sealing engagement against the rim of the drainage surface of the profile provided by said seal, so to marry said L-shape
  • the present invention finds its place in the field of the construction of curtain façades for buildings, such as a building with housing or offices, and is particularly applicable to the protection of such curtain facades facing projections. water (or any other liquid) and moisture resulting from such projections.
  • the invention relates in the first place to a seal 100 for a curtain wall.
  • the figure 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 FIG. figure 1 is at rest, that is to say it is not deformed by any compression force.
  • Said seal 100 extends along a longitudinal axis, and according to a predetermined length, between two ends which respectively have a cross section in accordance with that illustrated in FIG. figure 1 .
  • transverse reference is made here and throughout the rest of the description to a section along a plane normal to said longitudinal axis.
  • the curtain wall with which the seal 100 is intended to cooperate comprises a frame formed by assembling mullion profiles with cross members, said framework supporting glazed elements of said curtain wall.
  • Each profile comprises, in a manner known to those skilled in the art, a fixing groove and a drainage surface.
  • a geometric and mechanical configuration of the curtain wall is described in more detail later.
  • the seal 100 comprises a fixing foot 110 intended to cooperate with a groove for fixing a profile.
  • said attachment foot 110 has an end in the form of an inverted head mushroom and extending from a base which forms a face of the seal.
  • the fixing foot 110 is further dimensioned so as to be clipped into the groove of the profile, thus maintaining the seal 100 in a fixed position on the profile.
  • said profile with which the seal 100 is intended to cooperate may be as well a mullion profile as a cross section.
  • the seal 100 is conventionally formed by extrusion, along its longitudinal axis, of extensible polymeric materials, typically synthetic rubber.
  • the seal 100 deprived of its attachment foot 110 is made of EPDM foam (acronym for the ethylene-propylene-diene monomer formulation) cell.
  • active part reference is made herein to a part intended to undergo mechanical stresses, for example following a support exerted by a glazed element or else another contiguous joint, as well as configured, both in terms of shape and 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 leg 110. It should be noted that the person skilled in the art knows producing a seal 100 made 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 including a contact portion 120 opposite said attachment foot 110 and intended for to receive in support a glazed element. More particularly, such a glazed element is of planar shape and is plated, during the assembly of the curtain wall, against said contact portion 120 which therefore cracks under the effect of this plating because of the materials used for the realization of the sealing gasket 100, in particular of its active part.
  • the contact portion 120 then tends to conform to the flat shape of the glazed element when the latter exerts a pressure directed from said contact portion 120 to the fixing foot 110.
  • Said outer surface comprises a lateral face, called the junction 130, connecting said contact portion 120 to said fixing foot 110. Furthermore, the outer surface also comprises a lateral face, called support face 140, connecting said contact portion 120 to said fixing foot 110 and opposite said lateral junction face 130, said lateral bearing face 140 being intended to be arranged on the side of a drainage surface of the profile. As illustrated 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, top, bottom, top, bottom, horizontal and vertical are defined with respect to the relative position of the fixing foot 110 with said contact portion 120.
  • the direction according to an axis connecting the fixing foot 110 to the contact portion 120 is said to be vertical, the horizontal direction being in turn orthogonal to the horizontal direction.
  • the contact portion 120 and the attachment foot 110 are respectively arranged at the upper level and the lower level of the seal 100.
  • the face of the seal 100 from which extends the fixing foot 110 is said lower face 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 from the lateral bearing face 140 to the face lateral joint 130, when a pressure, substantially directed from said contact portion 120 to said attachment foot 110, is exerted on said contact portion 120.
  • deformation means configured to extend substantially horizontally, in a cross section of said seal 100, said contact portion 120 at least in the direction from the lateral bearing face 140 to the face lateral joint 130, when a pressure, substantially directed from said contact portion 120 to said attachment foot 110, is exerted on said contact portion 120.
  • Such deformation means thus allow the surface of the contact part 120 to be increased horizontally by elastic deformation, this deformation occurring, when said pressure is exerted, essentially at the upper level of the seal 100, namely its
  • the active portion of the seal 100 located beyond the contact portion 120, is also likely to extend locally horizontally when said pressure is exercised. That being so, the deformation means advantageously make it possible for the deformation undergone by the contact portion 120 to be substantially greater, in terms of horizontal distance, than that experienced by the remainder of the active portion of the seal 100.
  • Such a configuration then makes it possible to obtain excellent sealing at an intersection zone between a mullion profile and a cross section of the curtain wall, more particularly in an interior corner of this zone in contact with a wall. glazed element. Indeed, by stretching in this way, the seal 100 will be more compressed against an obstacle 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 advantageously compensates for the manufacturing tolerances of the curtain wall it is intended to equip, more specifically the dimensional tolerances of the mullion and transom sections. This is further enhanced when the seal is attached to a mullion profile so as to be in contact with another seal attached 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 differences in mounting which could result from manufacturing errors, which in general may be of the order of a few millimeters in size. regarding the profiles of the facade.
  • said deformation means are a curved surface of said contact portion 120.
  • Said curved surface extends between a first end 121 common to the junction side face 130 and a second end 122 common to the side face of 140, so as to have 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 at seal 100. Said otherwise, the contact portion 120 thus shaped digs the outer surface towards the attachment foot 110.
  • the seal 100 is observed along its longitudinal axis, in a cross section such as that represented on the figure 1 , i.e. with the attachment foot 110 below the contact portion 120, said contact portion 120 is viewed as a convex curve.
  • the contact portion 120 has such a curved surface only when the seal 100 is at rest.
  • the configuration of said contact portion 120 not only aims at a horizontal stretch but also a planarization in the direction of stretching. Such flattening promotes a better seal at the contact with the glazed element.
  • said curved surface is inclined at least at said first end 121 of a non-zero angle ⁇ with respect to the horizontal, in the direction from the fixing leg 110 to the contact portion 120.
  • the inclination of such a slope is adapted so that the contact portion 120 stretches in priority horizontally, in the direction of the side face 140 for the lateral junction face 130.
  • the angle ⁇ is in the range [15 °, 35 °] relative to the horizontal (the horizontal and the inclination of the slope are represented in dotted lines on the figure 1 ), for example more particularly a value of 25 °.
  • said first end 121 is in the form of an upward pointing point.
  • Such a configuration thus allows the gasket 100, when compressed and is attached to a profile of the curtain wall, to stretch first outward of said profile.
  • said second end 122 has a projecting tongue shape.
  • said tongue is substantially directed in the direction from the junction side face 130 to the lateral bearing face 140, said tongue being further inclined with respect to the horizontal so as to point upwards and extend to the lateral support face 140 according to a predetermined distance.
  • Such a configuration of the second end 122 allows the contact portion 120, when subjected to an oriented pressure of said contact portion 120 towards the attachment foot 110, to extend horizontally also in the direction from the junction side face 130 towards the lateral bearing face 140. This is particularly advantageous when the seal 100 is fixed on a profile, because then said tongue 122 makes it possible to narrow an air gap located between the glazed element and the drainage surface, thereby slowing the passage of moisture from an outside environment to said profile.
  • the convex surface may have a horizontal slope at the second end 122 so that the lateral bearing face 140 is substantially perpendicular to the contact portion 120 at the said second end 122.
  • said lateral junction face 130 is inclined at an angle ⁇ non-zero with respect to the vertical, in the direction from the lateral bearing surface 140 to the junction side face 130.
  • said angle ⁇ has a value in the range [2 °, 10 °] when the seal 100 is not deformed (the vertical and the inclination of the junction side face are shown in dotted lines on the figure 1 ), for example more particularly a value of 3.5 °.
  • the lateral junction face 130 faces outwardly, beyond a frame forming said profile.
  • the inclination of the lateral junction face 130 allows, in itself, when the seal 100 is fixed on a mullion profile, to prefer a contact of the upper part of said seal 100 with another seal of a cross section connected to said mullion profile.
  • the fact of thus ensuring a priority contact at the top of the seal 100 contributes to secure first of all, from the point of view of sealing, a joint seal contact between mullion and transom , this type of contact being an area known to be critical from the point of view of sealing.
  • the angle ⁇ increases when the seal 100 is compressed from the contact portion 120 to the attachment foot 110. to further favor a contact at the upper level of the seal 100.
  • the deformation means alone contribute to obtaining an excellent seal, it will be understood that the combination of these means with an inclined lateral face 130 according to the invention contributes to obtaining an optimum seal. Indeed, once a seal of a mullion profile comes into contact with a cross section of a cross-seal, via the lateral junction face 130 of said mullion joint, the deformation means will allow, by pressing the glazed element on the joints, that the mullion profile seal extends towards the seal of the profile of crosses so as to increase the compression at the level of their contact. The contact is then sealed by this increase in the level of compression.
  • the lateral junction face 130 is flat.
  • the reinforced compression obtained by the deformation means first approximates the seal of the mullion profile of the seal of the cross section at the level of the part upper mullion joint.
  • the flat surface of the mullion joint is also close to the seal of the cross section to end up against the cross section of the latter, thus limiting any risk moisture infiltration.
  • said lateral bearing surface 140 comprises a lug 141 so as to form a bearing portion 142 positioned between said fixing foot 110 and said lug 141, said bearing portion 142 being intended to be arranged in waterproof support against a rim 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 bearing face 140 extends for example substantially normally to the lateral bearing face 140. In this way, when the rim of the drainage surface is configured substantially in the shape of an L, the portion 142 supports the shape of the rim, said lug 141 resting in tight support on a branch of L.
  • the seal 100 comprises means for assisting the cutting of said seal 100 in a horizontal plane P positioned between said contact portion 120 and said attachment foot 110.
  • the cutting can advantageously cut the seal 100 in said plane P so as to be able to remove a mass of said seal 100 (the plane P is shown in dotted lines in FIG. figure 1 ). It will be understood that when a mass of substantially parallelepipedal shape is to be removed from the joint 100, from the contact portion 120, it is first necessary to cut the seal 100, over a distance to reach said cutting aid means, according to substantially parallel cross sections.
  • the respective embodiments of such notches are easy insofar as they are made from the contact portion 120 which is directly accessible.
  • the final cut of the mass takes place at the plane P which is less accessible than the contact part 120 insofar as it extends in an internal volume of the seal 100, said inner volume being delimited by the outer surface.
  • said cutting aid means make it easier and faster to cut the seal 100 at the plane P.
  • said cutting aid means are at least one cell 170 extending, in the plane P, a predetermined distance in the length of said seal 100.
  • said cutting aid means constitute a targeted target of the seal 100 at the plane P, which facilitates cutting due to a decrease in the resistance encountered with respect to the elastic mass, and allows thus a clear and fast 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 also relates to a curtain wall having seals according to the invention.
  • the figure 2 schematically represents an embodiment of a portion 200 of a curtain wall, and corresponds to a perspective view from an observation point located in an external environment 10 of said curtain wall 200.
  • the curtain wall comprises a framework formed by assembling mullion sections 210 with cross-member profiles 220, said framework 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 transom profiles 220 are identical, which contributes to facilitating and accelerating the production of the elements necessary for the construction of the curtain wall.
  • the frame of the curtain wall is for example assembled before being delivered on site, or for example still delivered on site in spare parts to be assembled on site.
  • the curtain wall thus formed separates the external environment 10 from an interior environment 20 (offices, living areas, etc.) intended to accommodate people.
  • the figure 3 schematically represents an embodiment of a profile of the portion 200 of the figure 2 , and corresponds to a view in a cross section of said profile.
  • mullion 210 and transom 220 profiles used to form the framework of the figure 2 are identical to each other.
  • the figure 3 therefore illustrates a mullion profile 210, but it is easily understood that the reference sign "210" of the figure 3 can be replaced by the reference sign "220" without causing confusion.
  • the use of the term "profiled” without it being specified whether it is a mullion profile or a cross sectional profile refers indifferently 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 FIG. figure 3 .
  • Each section 210, 220 comprises along its length at least one fixing groove 230 and at least one drainage surface 240. Such a configuration is known to those skilled in the art.
  • each section 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 lateral faces 231, 232 interconnected by a base so as to have a generally U-shaped. A 231 of said side faces extends one side of the profile 210, 220 intended to be normal to the glazed elements 300.
  • the other side face 232 of the fixing groove 230 it is in abutment against one end of the drainage surface 240, so that this other lateral face 232 is substantially normal to said drainage surface 240.
  • the profile 210, 220 comprises a holding groove 250 configured to receive a holding element, such as for example a screw 251, said holding 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 holding element such as for example a screw 251
  • the two fixing grooves 230 are interconnected by a surface from which normally extends, 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 according to the invention, so that the contact portion 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 insertion of the attachment 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 comprises two seals, one of said two seals not being in accordance with the invention but conventional configuration known until now from Those skilled in the art Note however that the implementation for each profile of two seals according to the invention advantageously allows to obtain an optimum seal at each glazed element.
  • FIGS. 4a and 4b schematically represent an embodiment of a mullion section 210 connected with two transverse profiles 220 to form the portion 200 of the figure 2 , and correspond to respectively grouped and exploded views of the assembly of these profiles 210, 220.
  • Each cross section 220 is substantially orthogonally connected to at least one mullion profile 210 by means of a connector 221 fixedly mounted at a connecting end 222 of said cross section 220, so as to extend said at least one a drainage surface 240 of said cross-member profile 230, said connecting end 222 then bearing against said mullion profile 210.
  • a connector 221 is fixedly connected to a cross-member 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 is in turn a cross section said cross member 220 as shown for example in the figure 3 .
  • the connector 221 is also advantageously configured to extend said holding groove 250.
  • each mullion section 210 is then connected to one or two cross members 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, holding pins for connecting the mullion profiles 210 and cross 220 between them.
  • the front portion 200 comprises a mullion profile 210 substantially normal to the ground plane (not shown in the figures), two crossbar profiles 220 being further connected to said mullion profile 210 on either side of the latter. so that said portion 200 has a cross shape defining four quadrants equipped with glazed elements 300.
  • Said glazed elements 300 are panels of rectangular shape, each panel forming for example a double glazing.
  • a first pane then faces the outside environment 10, whereas a second pane, separated from the first pane by an air space, is in turn facing the interior environment 20.
  • the assembly of a 220 cross member profile with a mullion profile 210, inner side, defines so-called intersecting zones 500 representative of the most vulnerable spaces in terms of sealing for the curtain wall.
  • Such intersection zones 500 are for example illustrated on the figure 4b (dashed circles)
  • a seal 100 of a cross-member profile 220 extends over at least the entire length of said cross-member profile 220, so as to be in exclusive contact with a joint 100 mullion profile 210.
  • exclusive contact and as illustrated in the figure 4b here, reference is made to the fact that a seal 100 fitted to a cross-member profile 220 has no point of contact with the rigid structure itself (for example made of aluminum) of the mullion profile 210 with which said cross member 220 is connected.
  • the fact of having such an exclusive seal joint contact is advantageous because it makes it possible to avoid multiple contacts between materials of different constitutions at the connecting end 222 of the cross member 220, for example contacts between a seal and aluminum. Indeed, such multiple contacts are known to be a limiting factor of the sealing performance in the intersection zone 500.
  • the seals 100 of mullion 210 and cross member 220 are, for example, configured so that they have respective junction lateral faces 130 of substantially identical dimensions.
  • the vertical heights of the seals 100, at their respective junction side faces 130, are identical.
  • the seal 100 of a cross section 220 extends over at least the entire length of the cross member 220 allows said seal 100 to have a cross section which, at least, is flush with a connecting end 222 of said cross member 220.
  • Such a configuration makes it possible to engage the contact with the seal 100 located opposite the mullion section 210 connected to said cross member profile 220.
  • contact portion 120 of the mullion joint 210 is stretched due to the support provided by the glazed element 300, it is understood that the two seals 100 come into contact compressing each other at the intersection zone 500. such compression is further accentuated when at least the junction side face 130 of the seal 100 of the mullion profile 210 is inclined at a non-zero angle ⁇ , as explained above in detail.
  • a seal 100 of a cross-member profile 220 extends over a distance substantially greater than the length of the cross-member profile 220.
  • the difference in length between the seal 100 and the cross section 220 is of the order of a few centimeters, for example a difference in the range [1cm, 3cm], for example more particularly 2cm.
  • Such a configuration allows the seal 100 of the cross section 220 to extend slightly beyond the fastening end 222 of said cross member 220, so that further bring the end of the cross member seal 100 closer to the contact portion 120 of the mullion joint.
  • the mutual compression obtained between the transom seal and mullion joint is still advantageously enhanced.
  • each seal 100 of a mullion profile 210 has a notch 160 configured to cooperate, in compression along said seal 100, with the connector 221 connecting said mullion profile 210 to a cross sectional profile. 220.
  • a notch 160 thus 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”, we refer here to a part recess that does not completely through the seal 100. In other words, the mullion joint having such a notch 160 remains in one piece.
  • said notch 160 is substantially U-shaped, so that it corresponds to the disengagement of a substantially parallelepipedal mass of the joint 100 of the mullion profile 210. It is for example obtained by transverse notches of the mullion joint 100, and then by cutting along a plane P (said plane P is horizontal with reference to the figure 1 ). For this purpose, when the seal 100 of the mullion section 210 comprises cutting aid means, the realization of the notch 160 is facilitated.
  • the cut 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 tightness at 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 provides an excellent seal at the contacts established between the connector 221 and the surface of the seal.
  • 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 profile 210.
  • the connector 221 then cooperates with the notch 160 so as to be in sealing 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 a few millimeters, typically 5mm to 10mm) to the dimension of the connector 221 along the same axis. In this way, the connector 221 is held in the notch 160 by compression between said cross sections of the seal 100.
  • each drainage surface 240 has a flange 241 resting on an attachment groove 232 and extending toward the glazed members 300, said flange 241 further comprising a return end so as to have an L-shaped shape facing towards said drainage surface 240.
  • Said support portion 142 of each seal 100 is arranged in sealing engagement against the flange 241 of the drainage surface 240 of the profile provided by said seal 100, so as to conform to said L-shape
  • the bearing portion 142 also has an L shape thanks to the presence of the lug 141.
  • the fact that the bearing portion 142 of the seal 100 comprises a lug 141 so to cooperate with the L-shaped said rim 241 increases the seal at the support of the seal 100 with the drainage surface 240. Indeed, if the rim has no return and if the part of support does not include ergot, hu miquidity could seep between the support part and the rim.
  • such a configuration of the flange 241 of the drainage surface 240 advantageously allows the cooperation of hardware elements which are thus held fixed with the profile 210, 220 at the drainage surface 240.
  • said elements hardware are glazing support plates attached to the cross members 220 and substantially normal to the drainage surfaces 240 of these profiles.
  • a curtain wall fitted with joints according to the invention has optimum and long-lasting sealing performance, said joints also making it possible to compensate effectively during time, the manufacturing tolerances of said curtain wall, as well as the deformations undergone.
EP18203831.5A 2017-11-02 2018-10-31 Dichtungsfuge für vorhangfassade, vorhangfassade, die solche dichtungsfugen umfasst Active EP3480382B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1760332A FR3072984B1 (fr) 2017-11-02 2017-11-02 Joint d’etancheite pour facade rideau, facade rideau comportant de tels joints d’etancheite

Publications (3)

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EP3480382A1 true EP3480382A1 (de) 2019-05-08
EP3480382C0 EP3480382C0 (de) 2023-06-07
EP3480382B1 EP3480382B1 (de) 2023-06-07

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EP (1) EP3480382B1 (de)
FR (1) FR3072984B1 (de)
PL (1) PL3480382T3 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2787138A1 (de) * 2013-04-03 2014-10-08 Sapa Building System Poland Sp. z o.o. Dichtelement für einen Pfosten/-Riegelkonstruktion
DE102014103950A1 (de) * 2014-03-21 2015-09-24 Heroal - Johann Henkenjohann Gmbh & Co. Kg Isolierelement für Fassaden- oder Lichtdachkonstruktionen
CN106978870A (zh) * 2016-11-25 2017-07-25 绿城装饰工程集团有限公司 自排水明框幕墙系统

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Publication number Priority date Publication date Assignee Title
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
EP2787138A1 (de) * 2013-04-03 2014-10-08 Sapa Building System Poland Sp. z o.o. Dichtelement für einen Pfosten/-Riegelkonstruktion
DE102014103950A1 (de) * 2014-03-21 2015-09-24 Heroal - Johann Henkenjohann Gmbh & Co. Kg Isolierelement für Fassaden- oder Lichtdachkonstruktionen
CN106978870A (zh) * 2016-11-25 2017-07-25 绿城装饰工程集团有限公司 自排水明框幕墙系统

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EP3480382C0 (de) 2023-06-07
FR3072984B1 (fr) 2021-10-22
EP3480382B1 (de) 2023-06-07
PL3480382T3 (pl) 2023-10-30
FR3072984A1 (fr) 2019-05-03

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