EP3527738A1 - Frame for curtain façade and curtain façade comprising said frame - Google Patents
Frame for curtain façade and curtain façade comprising said frame Download PDFInfo
- Publication number
- EP3527738A1 EP3527738A1 EP19157766.7A EP19157766A EP3527738A1 EP 3527738 A1 EP3527738 A1 EP 3527738A1 EP 19157766 A EP19157766 A EP 19157766A EP 3527738 A1 EP3527738 A1 EP 3527738A1
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- European Patent Office
- Prior art keywords
- frame
- crosspieces
- groove
- curtain wall
- connecting piece
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- 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.)
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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
- E04B2/965—Connections of mullions and transoms
Definitions
- the present invention belongs to the field of the construction of glazed facades for buildings, and more particularly relates to a framework for curtain wall and a curtain wall comprising said framework.
- a curtain wall also known as a "curtain wall” by a person skilled in the art, comprises a frame 10 formed by an assembly of mullions 11 and crosspieces 12, as illustrated by FIGS. Figures 1 and 2 .
- the sleepers 11 and the mullions 12 are generally made from substantially identical sections of cross section.
- This framework 10 defines a rigid frame for supporting facade walls 13, for example glass, transparent or opaque, typically rectangular. These facade walls 13 are in contact with seals fitted to the mullions 12 and crosspieces 11 in order to protect the interior environment of the building comprising the curtain wall of the penetration of water or wind and possibly noise or heat.
- the seals intended to remain opposite the interior environment of the building are called “internal seals" 14 in the rest of the text.
- the facade walls 13 are sandwiched between the internal seals 14 and seals called “external joints" 15, carried by spacer elements 16 to which are attached trim profiles, facing the external environment of the building.
- the assembly of a curtain wall involves the use of a multitude of connecting elements in an area defined by the intersection of a mullion 11 with a cross member 12.
- connecting elements fasteners 17 are used to mechanically link the mullions 11 to the crosspieces 12
- connecting pieces 18 are used between the spacers and the fasteners, and supports 19 allow to hold in position shims of facade walls.
- the fasteners 17 for mechanically linking the cross members 12 and the mullions 11 are biased by the forces generated by the weight of the framework 10 and the facade walls 13 that they support, and transmit these forces to the mullions 11 to which they are attached.
- the crosspieces 12, the fasteners 17 and the mullions 11 are dimensioned so as to have sufficient strength to withstand these mechanical stresses.
- the cross-section of the profiles forming the mullions 11, and possibly the crosspieces 12, therefore has relatively large dimensions, which has a negative influence notably on the overall weight of the curtain wall, on its overall cost, on the ease and the duration of assembly. of said facade and on its aesthetic appearance.
- the present invention aims to overcome the aforementioned drawbacks by providing a curtain wall framing to facilitate and reduce the time of mounting a curtain wall.
- Another object achieved by the present invention is to reduce the costs of manufacturing a curtain wall frame.
- the present invention also advantageously makes it possible to reduce the dimensions of the cross-section of the profiles of the mullions and transoms of the framework.
- the invention relates to a framework for curtain wall, formed by an assembly of mullions and crosspieces.
- the frame is intended to support facade walls and comprises at least one pair of sleepers arranged one facing the other, on either side of a mullion.
- Each cross member of said pair of sleepers is mechanically linked to mullion via a connecting piece, the two connecting pieces of a pair of sleepers having a shape complementary to each other so as to cooperate against each other.
- the two connecting pieces are configured so that when they cooperate with each other, they are able to rest in support against each other.
- the parts can distribute between them and on the mullion and sleepers the forces generated in particular by the weight of the facade walls, so that the resistance to mechanical stresses is substantially increased.
- the invention reduces the cross sections of mullions and crosspieces.
- the mullions and transoms of a curtain facade framework according to the invention may advantageously have a small width, for example forty-two millimeters.
- the invention also fulfills the following characteristics, implemented separately or in each of their technically operating combinations.
- each connecting piece has a first portion intended to extend in a direction parallel to a longitudinal axis of a cross member.
- the first portion is connected to a second portion intended to extend along a longitudinal axis of the mullion.
- Each connecting piece also comprises a profile of cooperation at the junction between the first and the second portion, the pieces of link being configured to cooperate with each other by their cooperation profile when they tie the cross and the mullions between them.
- the cooperation profile is identical for each connecting piece, so that there is to produce and assemble that connecting pieces similar to each other.
- This characteristic contributes to the reduction of the production costs of the frame by making it possible to realize economies of scale and also participates in the simplification of the operations of assembly of a framework of curtain of facade.
- the mullions and crosspieces have a longitudinal central groove comprising two side walls.
- the middle groove is adapted to receive respectively the first and second portions of each connecting piece.
- the medial groove has a medial groove provided to receive one or more projections of the connecting pieces.
- the bottom of the middle groove, in combination with the medial groove, forms a shoulder against which the connecting piece is intended to bear.
- the medial groove comprises, at the free end of each side wall, a rib extending towards the opposite side wall.
- mullions and crosspieces have lateral grooves arranged on either side of the central groove.
- the sidewalls extend beyond the lateral grooves.
- Each of the lateral grooves receives a seal called “internal seal”, and is configured so that said inner seal is attached to a side wall of the middle groove
- This feature is also involved in the reduction of the dimensions of the straight sections of the mullions and crosspieces, compared to mullions and transoms of the state of the art.
- the frame comprises sealing members.
- Each sealing member comprises a first portion cooperating with the first portion of a connecting piece and a second portion cooperating with the second portion of said connecting piece.
- the first and second portions of the sealing member extend respectively over the entire length of the first and second portions of the connecting piece.
- This feature helps to provide air and water tightness between the building's exterior environment and its indoor environment. It also contributes to the sound and thermal insulation of the indoor environment.
- the connecting pieces are configured to support shims of facade walls.
- facade walls are known to those skilled in the art to allow a positioning adjustment of the facade wall within the framework, in particular to distribute the weight of the facade walls homogeneously on the sleepers that support.
- the present invention also relates to a curtain wall comprising a frame as described above and a front wall supported on shims of facade walls supported by connecting pieces.
- the present invention relates to a frame 100 for a curtain wall, as represented by the Figures 4 and 5 , intended to support a front wall 101, such as a glazing unit or an opaque panel, to form a curtain wall.
- the curtain wall thus formed is intended to be installed on a building to isolate an interior environment of the building from an exterior environment of the building.
- a curtain facade aims to bring to the interior environment of the building including sound and heat insulation and water and air tightness.
- the framework comprises a plurality of mullions 102 juxtaposed to each other, connected to each other by crosspieces 103 forming spacers.
- the mullions 102 and crosspieces 103 are formed by profiles whose combination defines a plurality of frames, said frames being intended to support a front wall 101.
- the term “vertical” is defined in a direction that is parallel to the direction of gravity and the term “horizontal” is defined in a direction that is perpendicular to the vertical direction.
- the relative terms “upper” and “lower” are defined along a vertical line, a so-called “lower” element being closer to the ground than an element called “higher”.
- FIGS. 4 and 5 show a mullion 102 of the frame 100, extending in a substantially vertical direction, on either side of which a cross member 103 is fixed.
- the crosspieces 103 are arranged opposite one another and form a pair of crosspieces 103.
- the crosspieces 103 extend in a substantially horizontal direction and are fixed rigidly, by each of their longitudinal end to a mullion 102, by means of a connecting piece 104, possibly in combination with fastening elements of the screw type or pin as described below.
- the connecting pieces 104 have a shape complementary to each other so as to cooperate with each other.
- the connecting pieces are configured so that they rest against each other and distribute between them the forces to which they are subjected. This characteristic contributes in particular to increasing the mechanical resistance of the frame, and consequently, reduces the dimensions of the cross sections of the mullions and transoms of the frame.
- each connecting piece comprises a first portion 1041 intended to be mechanically connected to a cross member 103 and a second portion 1042 intended to be mechanically connected to the mullion 102.
- the first and second portions 1041, 1042 respectively extend in a direction parallel to a longitudinal axis of a cross member 103 and along a longitudinal axis of the mullion 102, and are connected to one another by a junction zone having an internal angle and an external angle, also called re-entrant angle and outgoing angle .
- the first portion 1041 of the connecting pieces 104 extends in a substantially horizontal direction and the second portion 1042 of the connecting pieces 104 extends in a vertical direction.
- the connecting pieces 104 are made of a rigid material capable of withstanding strong mechanical stresses, for example a metallic material of the aluminum type, aluminum alloys, etc., or for example a polyamide-type polymer material, or for example a composite material, such as a polyamide filled with fiberglass.
- the junction zone has, on its external angle or outgoing angle, a cooperation profile 1043 configured so as to cooperate with the cooperation profile 1043 of another connecting piece 104.
- a pair of crosspieces 103 is fixed to a mullion 102
- the connecting pieces 104 connected to the crosspieces 103 of said pair cooperate with each other, as shown in the front view of the Figures 6a to 6c .
- they are closely related to each other, that is to say, in contact with each other in every point of the cooperation profile 1043.
- the frame 100 is better able to withstand the mechanical stresses and in particular the bending moments resulting from the weight of the facade walls 101 and crosspieces 103.
- each connecting piece 104 has an identical shape, so as to facilitate assembly operations and to participate in the assembly. lowering the overall cost of frame 100 by allowing economies of scale to be achieved.
- the cooperation profile 1043 has a notch defined between two surfaces, so as to form a shoulder.
- the figure 6b illustrates another example of a cooperative pattern 1043, wherein the second surface is inscribed in a substantially horizontal plane and in which the first surface is inscribed in a plane forming an angle greater than ninety degrees with the second surface.
- the Figure 6c illustrates another example of a cooperative profile 1043 in which the first surface is inscribed in a substantially vertical plane and in which the second surface is inscribed in a plane forming an angle greater than ninety degrees with the first surface.
- the cooperation profile 1043 consists of a chamfer formed on the outer corner of the junction zone.
- the connecting pieces 104 have a so-called “inside face” intended to be oriented towards the interior environment of the building, and a face called “outer face” intended to be oriented towards the external environment of the building.
- the connecting pieces 104 and more particularly preferably the first and second portions 1041, 1042, comprise on their inner face projections intended to be introduced into a longitudinal groove 1033, 1023 longitudinal of which are respectively provided the sleepers 103 and the mullion 102 as described below.
- Such projecting parts may be formed by pins or tongues 1044, as represented by the figures 5 and 9 , distributed along the first and second portions 1041, 1042 of each connecting piece 104.
- the connecting pieces 104 may comprise a series of through-holes extending between their inner and outer faces, intended to receive screws making it possible to secure the connecting pieces 104 to the mullions 102 and crosspieces 103.
- the first portion 1041 comprises at least two bores and the second portion 1042 includes only one piercing, as illustrated by FIG. figure 6a .
- the first portion 1041 of each connecting piece 104 is intended to be arranged between two adjacent facing walls 101 and extends over a length substantially greater than the length of the second portion 1042.
- the first portion 1041 is dimensioned in length in particular so as to allow the support of any shims of facade walls 101.
- shims of facade walls 101 are well known to those skilled in the art, and will not be further described below.
- the mullions 102 and crosspieces 103 advantageously have a cross-section of general shape and of identical dimensions, so that identical profiles can be used for the production of mullions 102 and crosspieces 103.
- These profiles are advantageously hollow in tubular form. , and their cross section has a substantially rectangular geometric shape.
- the mullions 102 and crosspieces 103 have a so-called “outer wall” wall intended to be oriented towards the external environment of the building, opposite to a so-called “inner wall” wall intended to be oriented towards the interior environment of the building.
- the outer and inner walls are connected to one another by two side walls. It should be noted that subsequently, when the notion of the width of the mullions 102 and crosspieces 103 is discussed, their dimension defined by the distance between the two side walls is referred to, and when the notion depth of mullions 102 and crosspieces 103, we speak of their dimension defined by the distance between the inner wall and the outer wall.
- the mullions 102 comprise on their lateral walls orifices 106 provided for receiving the fastening elements, formed by cylindrical pins 105 in the embodiment shown on the exploded portion of the figure 5 .
- the pins 105 are engaged in the orifices 106 by any means within the reach of those skilled in the art to assemble the frame 100.
- These pins 105 are advantageously dimensioned to provide additional resistance to the mechanical stresses to which said frame 100 is subjected. In addition to providing additional resistance to the forces, they make it possible to ensure the precise relative positioning of the crosspieces 103 with respect to the mullions 102.
- the crosspieces 103 and mullions 102 have, on their outer wall longitudinal grooves 1031, 1021 longitudinally arranged on either side of the central groove 1033, 1023.
- the middle groove 1023, 1033 comprises two side walls extending beyond the lateral grooves 1021, 1031, outwardly of the profile, so that said lateral grooves 1021, 1031 are recessed with respect to the middle groove 1023, 1033, in the dimension of the depth of the profile.
- the lateral grooves 1021, 1031 may be configured to receive a portion of the pins 105, as visible on the figure 9 .
- the lateral grooves 1021, 1031 have housings intended to receive the pins 105, arranged at the bottom of said lateral grooves 1021, 1031. These housings are configured so as to receive the pins 105 in position. tight fit, to prohibit the lateral angular movement of said pins 105 and rigidly ensure their retention in position.
- Each of the lateral grooves 1021, 1031 is provided to receive a seal, called “internal seal” 107 in the rest of the text, intended to bear against a front wall 101, as shown in FIG. figure 9 .
- the inner seals 107 are advantageously configured so as to be adjacent to the side walls of the middle groove 1023, 1033.
- the inner seals 107 may be configured to contact the first and second portions 1041 and 1042 of the seals. link 104.
- the median groove 1023, 1033 advantageously has a median groove 108, intended to receive the projections of the connecting pieces 104, and more particularly, in the embodiment shown in the figures, the tabs 1044 of said connecting pieces 104.
- gripping reliefs can be arranged in the medial groove 108, opposite the through holes of the connecting pieces 104, as shown in FIG. figure 9 , for receiving in helical connection screws for fixing said connecting pieces 104, as shown in FIG. figure 8 .
- This solution has the advantage of reducing manufacturing costs while simplifying the assembly operations of the frame 100.
- the middle groove 1023, 1033 also has, at the free end of each side wall, a rib 1024, 1034 extending towards the opposite side wall, so that when a connecting piece 104 is introduced into said middle groove 1023 , 1033, only the ribs 1024, 1034, the shoulder and the groove are in contact with said connecting piece 104.
- the outer walls may have two longitudinal cavities respectively arranged between the medial groove 108 and the lateral grooves 1021, 1031. These cavities make it possible to increase the resistance to mechanical stresses of the mullions 102 and crosspieces 103.
- the frame 100 further comprises a sealing member 110 intended to be fixed on the outer face of each connecting piece 104.
- each sealing member 110 comprises a first portion 111 intended to cooperate with the first portion 1041 of a connecting piece 104 and a second portion 112 intended to cooperate with the second portion 1042 of a connecting piece 104.
- Said first and second portions 111 and 112 of the member 110 respectively extend over the entire length of the first and second portions 1041, 1042 of the connecting piece 104 so as to contribute to the water and air tightness of the frame 100.
- they are made of a suitable material, such as an elastomeric material preferably having thermal insulation properties so as to eliminate the risk of thermal bridge between the external environment and the building's internal environment.
- This material can be a rubber, a thermoplastic elastomer, etc.
- sealing members 110 also have a profile of cooperation, for example of the same shape as that of the connecting pieces 104.
- the sealing members 110 have a so-called “inside face” intended to be oriented towards the interior environment of the building and a so-called “outside face” intended to be oriented towards the external environment of the building.
- the inner face of the sealing members 110 is intended to bear against the outer face of the connecting pieces 104.
- sealing 110 may comprise a central tongue 113 provided to cooperate with a groove 1045 formed along the first and second portions 1041, 1042 of the connecting pieces 104, on the outer face of said connecting pieces 104.
- connection between the tongue 113 and the groove 1045 is preferably made with a mechanical play such that it also contributes, to a certain extent, to the fixing of the sealing members 110 to the connecting pieces 104.
- the sealing members 110 have on their first portion 1041 at least one opening bore arranged at the right of a piercing opening out connecting pieces 104 to ensure the attachment of said sealing members 110 to said connecting pieces 104.
- a set of seals is provided for sealing between two adjacent facing walls 101 and between the outside environment and the indoor environment, as it is visible on the figure 9 .
- This set of seals comprises a pair of seals called "external seals" 120, each outer seal 120 of a pair being intended to bear against one of the two facing walls 101 adjacent, vis-à-vis An inner seal 107.
- the seal assembly also includes a spacer member 121 connecting the two outer seals 120 of a pair to each other, in a manner known to those skilled in the art.
- the spacer element 121 is intended to bear against the sealing member 110.
- they advantageously comprise positioning means adapted to guide the setting in position of said spacer element 121 relative to the sealing member 110.
- the sealing member 110 comprises, on its outer face, a groove extending along its first and second portions 111 and 112, and the spacer element 121 comprises one or more ribs for (s) to cooperate with said groove.
- the spacer element 121 comprises a series of through-holes, at least one of which is arranged so as to open to the right of a bore of each sealing member 110. This series of through-holes is intended to receive fastening screws. for rigidly attaching the facade walls 101 between the inner seals 107 and the outer seals 120, and for mechanically bonding a mullion 102 and a cross member 103 respectively to the seal assembly, the sealing member 110 and the workpiece. connection 104.
- the spacer element 121 is preferably made of a rigid material adapted to withstand high mechanical stresses, for example in a material identical to that in which the connecting pieces 104 are made.
- the spacer element 121 is adapted to receive a trim section 130, in a manner known to those skilled in the art.
- each set of joints arranged opposite a crosspiece 103 is intended to bear against a set of joints disposed opposite a mullion 102, by each of its longitudinal ends.
- the junction between these sets of joints is achieved by junction elements 140 to ensure a seal and whose implementation is known to those skilled in the art and will not be detailed in more detail in this text.
- the frame 100 comprises, between the first portions 1041 of two connecting pieces 104 respectively arranged at each of the longitudinal ends of a crosspiece 103, one or several spacers 150, as illustrated by the Figures 4, 5 , 7 and 8 , intended to ensure continuity of material between said two connecting pieces 104. More specifically, this part or these intermediate pieces 150 are intended to bear against the free longitudinal end of the first portion 1041, ie the opposite end to the second portion 1042. In other words, one or more intermediate pieces 150 are intended to be arranged along a crosspiece 103 between two consecutive connecting pieces 104 which do not cooperate with each other. other.
- the one or more inserts 150 have the particular effect of ensuring thermal and sound insulation and are made of a suitable material, for example polyvinyl chloride (PVC) or acrylonitrile butadiene styrene (ABS).
- PVC polyvinyl chloride
- ABS acrylonitrile butadiene styrene
- one or several intermediate pieces 150 are also provided to ensure continuity of material between the second portions 1042 of two connecting pieces 104 respectively arranged next to one another along a mullion 102, that is, that is to say between two consecutive connecting pieces 104 which do not cooperate with each other. More precisely, the intermediate piece or pieces 150 are intended to bear against the free longitudinal end of the second portion 1042, that is to say the longitudinal end opposite the first portion 1041.
- intermediate pieces 150 are provided with a longitudinal tongue designed to be introduced into the middle groove 1023, 1033 of the mullions 102 and crosspieces 103. As described above, this assembly makes it easier to position the intermediate pieces 150 relative to the mullions. 102 and crosspieces 103 and also contributes, to a certain extent, to the fixing of the sealing members 110 to the connecting pieces 104.
- the cross section of an insert 150 is substantially of the same shape as the cross section of the first and second portions 1041, 1042 of a connecting piece 104 in combination with a sealing member 110, so as to ensure a continuity in the thermal and sound insulation along mullions 102 and crosspieces 103.
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Abstract
L'ossature (100) pour façade rideau est formée par un assemblage de meneaux (102) et de traverses (103), et est destinée à supporter une paroi de façade (101). Elle comprend au moins une paire de traverses (103) agencées l'une et l'autre en vis-à-vis, de part et d'autre d'un meneau (102), chaque traverse (103) de ladite paire de traverses (103) étant mécaniquement liée au meneau (102) par l'intermédiaire d'une pièce de liaison (104), lesdites pièces de liaison (104) présentent une forme complémentaire l'une de l'autre de sorte à coopérer l'une avec l'autre.The curtain wall framework (100) is formed by an assembly of mullions (102) and crosspieces (103), and is adapted to support a facade wall (101). It comprises at least one pair of crosspieces (103) arranged one opposite the other, on either side of a mullion (102), each cross member (103) of said pair of crosspieces (103) being mechanically connected to the mullion (102) via a connecting piece (104), said connecting pieces (104) have a shape complementary to each other so as to cooperate with one another. with the other.
Description
La présente invention appartient au domaine de la construction de façades vitrées pour bâtiments, et concerne plus particulièrement une ossature pour façade rideau et une façade rideau comprenant ladite ossature.The present invention belongs to the field of the construction of glazed facades for buildings, and more particularly relates to a framework for curtain wall and a curtain wall comprising said framework.
Une façade rideau, aussi connue sous le nom de « mur rideau » par l'homme du métier, comporte une ossature 10 formée par un assemblage de meneaux 11 et de traverses 12, tel que l'illustrent les
Comme le montrent les
La conception d'une façade rideau est donc complexe et son assemblage requiert un nombre important d'opérations successives. Par conséquent l'installation d'une façade rideau est particulièrement longue et fastidieuse. Il en résulte un coût d'installation relativement élevé.The design of a curtain wall is therefore complex and its assembly requires a large number of successive operations. By Therefore the installation of a curtain wall is particularly long and tedious. This results in a relatively high installation cost.
La combinaison de multiples éléments de raccordement a pour conséquence d'augmenter le risque d'apparition de défauts d'isolation et d'étanchéité de la façade rideau. Aussi, ces caractéristiques sont susceptibles de provoquer une faiblesse structurelle aux contraintes mécaniques.The combination of multiple connecting elements has the consequence of increasing the risk of occurrence of insulation defects and sealing of the curtain wall. Also, these characteristics are likely to cause structural weakness to mechanical stresses.
En outre, les pièces de fixation 17 destinés à lier mécaniquement les traverses 12 et les meneaux 11 sont sollicitées par les efforts générés par le poids de l'ossature 10 et des parois de façade 13 qu'ils supportent, et transmettent ces efforts aux meneaux 11 auxquels ils sont fixés. Les traverses 12, les pièces de fixation 17 et les meneaux 11 sont donc dimensionnés de sorte à présenter une résistance suffisante pour résister à ces contraintes mécaniques. La section droite des profilés formant les meneaux 11, et éventuellement les traverses 12, présente donc des dimensions relativement importantes, influant négativement notamment sur le poids global de la façade rideau, sur son coût global, sur l'aisance et la durée d'assemblage de ladite façade et sur son aspect esthétique.In addition, the
La présente invention a pour objectif de palier les inconvénients précités en proposant une ossature de façade rideau permettant de faciliter et de réduire le temps de montage d'une façade rideau.The present invention aims to overcome the aforementioned drawbacks by providing a curtain wall framing to facilitate and reduce the time of mounting a curtain wall.
Un autre objectif atteint par la présente invention est de réduire les coûts de fabrication d'une ossature de façade rideau.Another object achieved by the present invention is to reduce the costs of manufacturing a curtain wall frame.
La présente invention permet également avantageusement de diminuer les dimensions de la section droite des profilés des meneaux et traverses de l'ossature.The present invention also advantageously makes it possible to reduce the dimensions of the cross-section of the profiles of the mullions and transoms of the framework.
A cet effet, l'invention concerne une ossature pour façade rideau, formée par un assemblage de meneaux et de traverses. L'ossature est destinée à supporter des parois de façade et comprend au moins une paire de traverses agencées l'une et l'autre en vis-à-vis, de part et d'autre d'un meneau. Chaque traverse de ladite paire de traverses est mécaniquement liée au meneau par l'intermédiaire d'une pièce de liaison, les deux pièces de liaison d'une paire de traverses présentant une forme complémentaire l'une de l'autre de sorte à coopérer l'une contre l'autre.To this end, the invention relates to a framework for curtain wall, formed by an assembly of mullions and crosspieces. The frame is intended to support facade walls and comprises at least one pair of sleepers arranged one facing the other, on either side of a mullion. Each cross member of said pair of sleepers is mechanically linked to mullion via a connecting piece, the two connecting pieces of a pair of sleepers having a shape complementary to each other so as to cooperate against each other.
Ces caractéristiques permettent de simplifier la conception de l'ossature. Ainsi, les coûts de fabrication de l'ossature sont réduits et son installation est facilitée.These features simplify the design of the frame. Thus, the costs of manufacturing the frame are reduced and its installation is facilitated.
Les deux pièces de liaison son configurées de sorte que lorsqu'elles coopèrent l'une avec l'autre, elles sont aptes à reposer en appui l'une contre l'autre. Ainsi, les pièces peuvent répartir entre elles et sur le meneau et les traverses les efforts générés notamment par le poids des parois de façade, de sorte que la résistance aux contraintes mécaniques est substantiellement augmentée.The two connecting pieces are configured so that when they cooperate with each other, they are able to rest in support against each other. Thus, the parts can distribute between them and on the mullion and sleepers the forces generated in particular by the weight of the facade walls, so that the resistance to mechanical stresses is substantially increased.
En outre, avantageusement, aucune pièce n'étant interposée entre les deux pièces de liaison, l'invention permet de réduire les sections droites des meneaux et des traverses.In addition, advantageously, no part being interposed between the two connecting pieces, the invention reduces the cross sections of mullions and crosspieces.
Ainsi, les meneaux et traverses d'une ossature de façade rideau selon l'invention peuvent avantageusement présenter une largeur de faible dimension, par exemple de quarante-deux millimètres.Thus, the mullions and transoms of a curtain facade framework according to the invention may advantageously have a small width, for example forty-two millimeters.
Chaque pièce de liaison remplit donc une double fonction, à savoir :
- une fonction d'assemblage permettant la liaison mécanique du meneau et de la traverse,
- une fonction de support de parois de façade permettant la reprise des efforts générés par le poids desdites parois de façade.
- an assembly function allowing the mechanical connection of the mullion and the transom,
- a facade wall support function allowing the recovery of the forces generated by the weight of said facade walls.
Dans des modes particuliers de réalisation, l'invention répond en outre aux caractéristiques suivantes, mises en oeuvre séparément ou en chacune de leurs combinaisons techniquement opérantes.In particular embodiments, the invention also fulfills the following characteristics, implemented separately or in each of their technically operating combinations.
Dans des modes particuliers de réalisation de l'invention, chaque pièce de liaison présente une première portion destinée à s'étendre selon une direction parallèle à un axe longitudinal d'une traverse. La première portion est reliée à une seconde portion destinée à s'étendre selon un axe longitudinal du meneau. Chaque pièce de liaison comprend également un profil de coopération à la jonction entre la première et la seconde portion, les pièces de liaison étant configurées de sorte à coopérer les unes aux autres par leur profil de coopération lorsqu'elles lient les traverses et les meneaux entre eux.In particular embodiments of the invention, each connecting piece has a first portion intended to extend in a direction parallel to a longitudinal axis of a cross member. The first portion is connected to a second portion intended to extend along a longitudinal axis of the mullion. Each connecting piece also comprises a profile of cooperation at the junction between the first and the second portion, the pieces of link being configured to cooperate with each other by their cooperation profile when they tie the cross and the mullions between them.
Avantageusement, le profil de coopération est identique pour chaque pièce de liaison, de sorte qu'il n'y ait à produire et à assembler que des pièces de liaison semblables les unes aux autres. Cette caractéristique participe à la réduction des coûts de production de l'ossature en permettant de réaliser des économies d'échelle et participe également à la simplification des opérations de montage d'une ossature de rideau de façade.Advantageously, the cooperation profile is identical for each connecting piece, so that there is to produce and assemble that connecting pieces similar to each other. This characteristic contributes to the reduction of the production costs of the frame by making it possible to realize economies of scale and also participates in the simplification of the operations of assembly of a framework of curtain of facade.
Dans des modes particuliers de réalisation, les meneaux et les traverses présentent une rainure médiane longitudinale comprenant deux parois latérales. La rainure médiane est prévue pour recevoir respectivement les première et seconde portions de chaque pièce de liaison.In particular embodiments, the mullions and crosspieces have a longitudinal central groove comprising two side walls. The middle groove is adapted to receive respectively the first and second portions of each connecting piece.
Dans des modes de réalisation de l'invention, la rainure médiane présente une saignée médiane prévue pour recevoir une ou des parties saillantes des pièces de liaison. Le fond de la rainure médiane, en combinaison avec la saignée médiane, forme un épaulement contre lequel la pièce de liaison est prévue pour prendre appui.In embodiments of the invention, the medial groove has a medial groove provided to receive one or more projections of the connecting pieces. The bottom of the middle groove, in combination with the medial groove, forms a shoulder against which the connecting piece is intended to bear.
Ces caractéristiques permettent d'assurer un maintien optimal de la pièce de liaison dans les meneaux et traverses.These characteristics make it possible to ensure optimum retention of the connecting piece in the mullions and crosspieces.
Dans des modes de réalisation de l'invention, la rainure médiane comprend, à l'extrémité libre de chaque paroi latérale, une nervure s'étendant vers la paroi latérale opposée.In embodiments of the invention, the medial groove comprises, at the free end of each side wall, a rib extending towards the opposite side wall.
Ces nervures contribuent à assurer le maintien de la pièce de liaison dans la rainure médiane.These ribs help to maintain the connecting piece in the middle groove.
Dans des modes particuliers de réalisation, les meneaux et traverses présentent des rainures latérales agencées de part et d'autre de la rainure médiane. Les parois latérales s'étendent au-delà des rainures latérales. Chacune des rainures latérales reçoit un joint d'étanchéité dit « joint interne », et est configurée de sorte que ledit joint interne soit attenant à une paroi latérale de la rainure médianeIn particular embodiments, mullions and crosspieces have lateral grooves arranged on either side of the central groove. The sidewalls extend beyond the lateral grooves. Each of the lateral grooves receives a seal called "internal seal", and is configured so that said inner seal is attached to a side wall of the middle groove
Cette caractéristique participe encore à la réduction des dimensions des sections droites des meneaux et traverses, par rapport à celles des meneaux et traverses de l'état de la technique.This feature is also involved in the reduction of the dimensions of the straight sections of the mullions and crosspieces, compared to mullions and transoms of the state of the art.
Dans des modes particuliers de réalisation, l'ossature comprend des organes d'étanchéité. Chaque organe d'étanchéité comprend une première portion coopérant avec la première portion d'une pièce de liaison et une seconde portion coopérant avec la seconde portion de ladite pièce de liaison. Les première et seconde portions de l'organe d'étanchéité s'étendent respectivement sur l'ensemble de la longueur des première et seconde portions de la pièce de liaison.In particular embodiments, the frame comprises sealing members. Each sealing member comprises a first portion cooperating with the first portion of a connecting piece and a second portion cooperating with the second portion of said connecting piece. The first and second portions of the sealing member extend respectively over the entire length of the first and second portions of the connecting piece.
Cette caractéristique contribue à assurer une étanchéité à l'air et à l'eau entre l'environnement extérieur du bâtiment et son environnement intérieur. Elle contribue, en outre, à l'isolation phonique et thermique de l'environnement intérieur.This feature helps to provide air and water tightness between the building's exterior environment and its indoor environment. It also contributes to the sound and thermal insulation of the indoor environment.
Dans des modes particuliers de réalisation de l'invention, les pièces de liaison sont configurées pour supporter des cales de parois de façade.In particular embodiments of the invention, the connecting pieces are configured to support shims of facade walls.
Ces cales de parois de façade sont connues de l'homme du métier pour permettre un réglage de positionnement de la paroi de façade au sein de l'ossature, notamment afin de répartir le poids des parois de façade de manière homogène sur les traverses qui les supportent.These shims of facade walls are known to those skilled in the art to allow a positioning adjustment of the facade wall within the framework, in particular to distribute the weight of the facade walls homogeneously on the sleepers that support.
Il n'est avantageusement plus nécessaire de prévoir de pièces spécifiques pour réaliser le support de cales au sein de l'ossature.It is advantageously no longer necessary to provide specific parts to carry the support wedges within the framework.
Selon un autre aspect, la présente invention concerne également une façade rideau comprenant une ossature telle que décrite précédemment et une paroi de façade en appui sur des cales de parois de façade supportées par des pièces de liaison.According to another aspect, the present invention also relates to a curtain wall comprising a frame as described above and a front wall supported on shims of facade walls supported by connecting pieces.
L'invention sera mieux comprise à la lecture de la description suivante, donnée à titre d'exemple nullement limitatif, et faite en se référant aux figures qui représentent :
-
figure 1 et 2 : des vues en perspective de phases d'assemblage d'une ossature d'une façade rideau selon l'état de la technique, -
figure 3 : une vue en coupe d'une façade rideau selon l'état de la technique, -
figure 4 : une vue en perspective d'une façade rideau comprenant une ossature selon l'invention comprenant deux plans sécants A et un plan sécant B, -
figure 5 : une vue en perspective éclatée d'une façade rideau selon lafigure 4 , -
figures 6a à 6c : des vues de face de traverses assemblées à un meneau d'une ossature d'une façade rideau selon lafigure 4 , par des pièces de liaison présentant divers exemples de profils de coopération, -
figure 7 : une vue en perspective d'un assemblage selon lafigure 6 , dans lequel une traverse est liée au meneau par une pièce de liaison, des organes d'étanchéité étant fixés, -
figure 8 : une vue en coupe selon deux plans sécants A de la façade rideau selon lafigure 4 , -
figure 9 : une vue en coupe selon un plan sécant B de la façade rideau selon lafigure 4 .
-
figure 1 and 2 : perspective views of phases of assembly of a skyline of a curtain wall according to the state of the art, -
figure 3 : a sectional view of a curtain wall according to the state of the art, -
figure 4 : a perspective view of a curtain wall comprising a frame according to the invention comprising two secant planes A and a secant plane B, -
figure 5 : an exploded perspective view of a curtain façade according tofigure 4 , -
Figures 6a to 6c : front views of sleepers assembled to a mullion of a skeleton of a curtain façade according to thefigure 4 by connecting pieces presenting various examples of cooperation profiles, -
figure 7 : a perspective view of an assembly according to thefigure 6 , in which a cross member is connected to the mullion by a connecting piece, sealing members being fixed, -
figure 8 : a sectional view along two intersecting planes A of the curtain facade according to thefigure 4 , -
figure 9 : a sectional view along a secant plane B of the curtain wall according to thefigure 4 .
Dans ces figures, des références numériques identiques d'une figure à l'autre désignent des éléments identiques ou analogues. Par ailleurs, pour des raisons de clarté, les dessins ne sont pas à l'échelle, sauf mention contraire.In these figures, identical reference numerals from one figure to another designate identical or similar elements. In addition, for reasons of clarity, the drawings are not to scale unless otherwise stated.
La présente invention concerne une ossature 100 pour façade rideau, telle que représentée par les
De façon connue par l'homme du métier, l'ossature comprend une pluralité de meneaux 102 juxtaposés les uns aux autres, reliés les uns aux autres par des traverses 103 formant entretoises. Les meneaux 102 et traverses 103 sont formés par des profilés dont la combinaison définit une pluralité de cadres, lesdits cadres étant destinés à supporter une paroi de façade 101.In a manner known to those skilled in the art, the framework comprises a plurality of
Il y a lieu de noter que dans le présent texte, on parle de « façade rideau » par abus de langage, pour désigner une portion d'une façade rideau comme illustrée par lesdites
En outre, dans le présent texte le terme « vertical » est défini selon une direction qui est parallèle à la direction de la pesanteur et le terme « horizontal » est défini selon une direction qui est perpendiculaire à la direction verticale. En outre, les termes relatifs « supérieur » et « inférieur » sont définis le long d'une droite verticale, un élément dit « inférieur » étant plus proche du sol qu'un élément dit « supérieur ».Furthermore, in the present text the term "vertical" is defined in a direction that is parallel to the direction of gravity and the term "horizontal" is defined in a direction that is perpendicular to the vertical direction. In addition, the relative terms "upper" and "lower" are defined along a vertical line, a so-called "lower" element being closer to the ground than an element called "higher".
Les
Dans l'exemple de réalisation représenté sur les
Comme le montrent notamment les
Plus précisément, chaque pièce de liaison comporte une première portion 1041 destinée à être liée mécaniquement à une traverse 103 et une seconde portion 1042 destinée à être liée mécaniquement au meneau 102. Les première et seconde portions 1041, 1042 s'étendent respectivement selon une direction parallèle à un axe longitudinal d'une traverse 103 et selon un axe longitudinal du meneau 102, et sont reliées l'une à l'autre par une zone de jonction présentant un angle interne et un angle externe, aussi appelé angle rentrant et angle sortant.More specifically, each connecting piece comprises a
Ainsi, dans les exemples de réalisation représentés par les
Préférentiellement, les pièces de liaison 104 sont réalisées dans un matériau rigide apte à résister à de fortes contraintes mécaniques, par exemple un matériau métallique du type aluminium, alliages d'aluminium, etc., ou par exemple un matériau polymère du type polyamide, ou par exemple un matériau composite, tel qu'un polyamide chargé en fibre de verre.Preferably, the connecting
La zone de jonction présente, sur son angle externe ou angle sortant, un profil de coopération 1043 configuré de sorte à pouvoir coopérer avec le profil de coopération 1043 d'une autre pièce de liaison 104. Ainsi, lorsqu'une paire de traverses 103 est fixée à un meneau 102, les pièces de liaison 104 liées aux traverses 103 de ladite paire coopèrent l'une avec l'autre, comme le montre la vue de face des
Ainsi, l'ossature 100 est plus à même de résister aux contraintes mécaniques et notamment aux moments fléchissant résultant du poids des parois de façade 101 et des traverses 103.Thus, the
Avantageusement, chaque pièce de liaison 104 présente une forme identique, de sorte à faciliter les opérations de montage et à participer à la baisse du coût global de l'ossature 100 en permettant la réalisation d'économies d'échelle.Advantageously, each connecting
Dans l'exemple de réalisation représenté par les
La
La
Dans ces exemples de réalisation, lorsque deux pièces de liaison 104 coopèrent l'une avec l'autre, les premières surfaces de leur profil de coopération 1043 sont en appui l'une contre l'autre.In these exemplary embodiments, when two connecting
Il est également envisageable, dans d'autres exemples de réalisation non représentés par les figures, que le profil de coopération 1043 consiste en un chanfrein formé sur l'angle externe de la zone de jonction.It is also conceivable, in other embodiments not shown in the figures, that the
Les pièces de liaison 104 présentent une face dite « face intérieure » destinée à être orientée vers l'environnement intérieur du bâtiment, et une face dite « face extérieure » destinée à être orientée vers l'environnement extérieur du bâtiment.The connecting
Les pièces de liaison 104, et plus particulièrement préférentiellement les première et seconde portions 1041, 1042, comprennent, sur leur face intérieure des parties saillantes prévues pour être introduits dans une rainure médiane 1033, 1023 longitudinale dont sont dotés respectivement les traverses 103 et le meneau 102 tel que décrit ci-après. De telles parties saillantes peuvent être formées par des tétons ou languettes 1044, comme représentées par les
Les pièces de liaison 104 peuvent comprendre une série de perçages débouchants s'étendant entre leurs faces intérieure et extérieure, destinées à recevoir des vis permettant d'assurer la fixation des pièces de liaison 104 aux meneaux 102 et traverses 103. Préférentiellement, la première portion 1041 comprend au moins deux perçages et la seconde portion 1042 ne comprend qu'un unique perçage, comme l'illustre la
Préférentiellement, la première portion 1041 de chaque pièce de liaison 104 est destinée à être agencée entre deux parois de façade 101 adjacentes et s'étend sur une longueur sensiblement supérieure à la longueur de la seconde portion 1042. La première portion 1041 est dimensionnée en longueur notamment de sorte à permettre le support d'éventuelles cales de parois de façade 101. Ces cales de parois de façade 101 sont bien connues de l'homme du métier, et ne seront pas davantage décrites ci-après.Preferably, the
Préférentiellement, les meneaux 102 et les traverses 103 présentent avantageusement une section droite de forme générale et de dimensions identiques, de sorte que des profilés identiques puissent être employés pour la réalisation de meneaux 102 et de traverses 103. Ces profilés sont avantageusement creux de forme tubulaire, et leur section transversale présente une forme géométrique sensiblement rectangulaire.Preferably, the
Comme le représentent en particulier les
Préférentiellement, les meneaux 102 comprennent sur leurs parois latérales des orifices 106 prévus pour recevoir les éléments de fixation, formés par des goupilles 105 cylindriques dans l'exemple de réalisation représenté sur l'éclaté de la
Les traverses 103 et meneaux 102 présentent, sur leur paroi extérieure des rainures latérales 1031, 1021 longitudinales agencées de part et d'autre de la rainure médiane 1033, 1023. Comme le montre la
Les rainures latérales 1021, 1031 peuvent être configurées de sorte à recevoir une portion des goupilles 105, comme visible sur la
Chacune des rainures latérales 1021, 1031 est prévue pour recevoir un joint d'étanchéité, dit « joint interne » 107 dans la suite du texte, destiné à être en appui contre une paroi de façade 101, comme le montre la
La rainure médiane 1023, 1033 présente avantageusement une saignée médiane 108, prévue pour recevoir les parties saillantes des pièces de liaison 104, et plus particulièrement, dans l'exemple de réalisation représenté par les figures, les languettes 1044 desdites pièces de liaison 104. Des reliefs de préhension peuvent être aménagés dans la saignée médiane 108, en regard des perçages débouchants des pièces de liaison 104, comme le montre la
Le fond de la rainure médiane 1023, 1033, en combinaison avec la saignée médiane 108, forme un épaulement contre lequel est prévu pour prendre appui la face intérieure de la pièce de liaison 104, comme illustré sur les
La rainure médiane 1023, 1033 présente également, à l'extrémité libre de chaque paroi latérale, une nervure 1024, 1034 s'étendant vers la paroi latérale opposée, de sorte que lorsqu'une pièce de liaison 104 est introduite dans ladite rainure médiane 1023, 1033, seule les nervures 1024, 1034, l'épaulement et la saignée sont en contact avec ladite pièce de liaison 104.The
Comme illustré par la
L'ossature 100 comprend en outre un organe d'étanchéité 110 destiné à être fixé sur la face extérieure de chaque pièce de liaison 104. Les
Il y a lieu de noter, comme il est visible sur les
Les organes d'étanchéité 110 présentent une face dite «face intérieure » destinée à être orienté vers l'environnement intérieur du bâtiment et une face dite « face extérieure » destinée à être orienté vers l'environnement extérieur du bâtiment. Comme le représentent les
Cet assemblage entre la languette 113 et la rainure 1045 préférentiellement est réalisé avec un jeu mécanique tel qu'il participe également, dans une certaine mesure, à la fixation des organes d'étanchéité 110 aux pièces de liaison 104.This connection between the
Les organes d'étanchéité 110 présentent sur leur première portion 1041 au moins un perçage débouchant agencé au droit d'un perçage débouchant des pièces de liaison 104 afin d'assurer la fixation desdits organes d'étanchéité 110 auxdites pièces de liaison 104.The sealing
Un ensemble de joints, connus en soi de l'homme du métier, est prévu pour assurer l'étanchéité entre deux parois de façade 101 adjacentes et entre l'environnement extérieur et l'environnement intérieur, comme il est visible sur la
L'élément d'entretoise 121 est destiné à venir en appui contre l'organe d'étanchéité 110. A cet effet, ils comprennent avantageusement des moyens de positionnement adaptés à guider la mise en position dudit élément d'entretoise 121 par rapport à l'organe d'étanchéité 110. Dans l'exemple de réalisation représenté par les
L'élément d'entretoise 121 comprend une série de perçages traversant dont au moins un est agencé de sorte à déboucher au droit d'un perçage de chaque organe d'étanchéité 110. Cette série de perçages traversant est destinée à recevoir des vis de fixation pour fixer rigidement les parois de façade 101 entre les joints internes 107 et les joints externes 120, et pour lier mécaniquement un meneau 102 et une traverse 103 respectivement à l'ensemble de joint, l'organe d'étanchéité 110 et à la pièce de liaison 104. L'élément d'entretoise 121 est préférentiellement réalisé dans un matériau rigide adapté à résister à d'importantes contraintes mécaniques, par exemple dans un matériau identique à celui dans lequel sont réalisés les pièces de liaison 104.The
L'élément d'entretoise 121 est adapté à recevoir un profilé d'habillage 130, de façon connue de l'homme du métier.The
Comme le représentent les
L'ossature 100 comprend, entre les premières portions 1041 de deux pièces de liaison 104 respectivement agencées à chacune des extrémités longitudinales d'une traverse 103, une ou des pièces intercalaires 150, comme illustré par les
La ou les pièces intercalaires 150 ont pour effet notamment de garantir une isolation thermique et phonique et sont réalisées dans un matériau approprié, par exemple en polychlorure de vinyle (PVC) ou en Acrylonitrile butadiène styrène (ABS).The one or
Comme le représente la
Ces pièces intercalaires 150 sont pourvues d'une languette longitudinale prévue pour être introduite dans la rainure médiane 1023, 1033 des meneaux 102 et traverses 103. Comme décrit précédemment, cet assemblage permet de faciliter la mise en position des pièces intercalaires 150 par rapport aux meneaux 102 et traverses 103 et participe également, dans une certaine mesure, à la fixation des organes d'étanchéité 110 aux pièces de liaison 104.These
Avantageusement, la section transversale d'une pièce intercalaire 150 est sensiblement de la même forme que la section transversale des première et seconde portions 1041, 1042 d'une pièce de liaison 104 en combinaison avec un organe d'étanchéité 110, de sorte à assurer une continuité dans l'isolation thermique et phonique le long des meneaux 102 et traverses 103.Advantageously, the cross section of an
De manière plus générale, il est à noter que les modes de mise en oeuvre et de réalisation de l'invention considérés ci-dessus ont été décrits à titre d'exemples non limitatifs et que d'autres variantes sont pas conséquents envisageables.More generally, it should be noted that the modes of implementation and embodiment of the invention considered above have been described by way of non-limiting examples and that other variants are not consistent conceivable.
Claims (9)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1851327A FR3078085B1 (en) | 2018-02-16 | 2018-02-16 | FRAME FOR CURTAIN FRONT AND CURTAIN FRAME INCLUDING THE SAID FRAME |
Publications (1)
Publication Number | Publication Date |
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EP3527738A1 true EP3527738A1 (en) | 2019-08-21 |
Family
ID=61802203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19157766.7A Withdrawn EP3527738A1 (en) | 2018-02-16 | 2019-02-18 | Frame for curtain façade and curtain façade comprising said frame |
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EP (1) | EP3527738A1 (en) |
FR (1) | FR3078085B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110512779A (en) * | 2019-09-05 | 2019-11-29 | 上海市房地产科学研究院(上海市住宅修缮工程质量检测中心) | A kind of steel skeleton and its construction technology |
CN115182484A (en) * | 2021-04-02 | 2022-10-14 | 上海斐晟企业管理有限公司 | Unit curtain wall convenient for drainage |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0050838A1 (en) * | 1980-10-29 | 1982-05-05 | Eltreva AG | Curtain wall |
EP2725159A1 (en) * | 2012-08-03 | 2014-04-30 | Alcoa Aluminium Deutschland, Inc. | Holding device, method for producing a holding device, and use of a holding device on a curtain wall |
-
2018
- 2018-02-16 FR FR1851327A patent/FR3078085B1/en active Active
-
2019
- 2019-02-18 EP EP19157766.7A patent/EP3527738A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0050838A1 (en) * | 1980-10-29 | 1982-05-05 | Eltreva AG | Curtain wall |
EP2725159A1 (en) * | 2012-08-03 | 2014-04-30 | Alcoa Aluminium Deutschland, Inc. | Holding device, method for producing a holding device, and use of a holding device on a curtain wall |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110512779A (en) * | 2019-09-05 | 2019-11-29 | 上海市房地产科学研究院(上海市住宅修缮工程质量检测中心) | A kind of steel skeleton and its construction technology |
CN115182484A (en) * | 2021-04-02 | 2022-10-14 | 上海斐晟企业管理有限公司 | Unit curtain wall convenient for drainage |
Also Published As
Publication number | Publication date |
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FR3078085A1 (en) | 2019-08-23 |
FR3078085B1 (en) | 2020-12-25 |
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