Classifications

• • 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
  • E04B2/90—Curtain walls comprising panels directly attached to the structure
  • E04B2/92—Sandwich-type panels
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
  • E04B1/66—Sealings
  • E04B1/68—Sealings of joints, e.g. expansion joints
  • E04B1/6813—Compressable seals of hollow form
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
  • E06B3/54—Fixing of glass panes or like plates
  • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
  • E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
  • E06B2003/6238—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats having extra functions
  • E06B2003/6241—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats having extra functions with drainage means

Definitions

• a CURTAIN WALL SYSTEM A COMPOSITE MODULE FOR A CURTAIN WALL SYSTEM AND A BUILDING COMPRISING A CURTAIN WALL SYSTEM
• the present disclosure relates to a curtain wall system for a building, where the curtain wall system comprises two or more curtain wall modules, where the curtain wall modules have an outer surface, an inner surface, an upper edge, a lower edge, a first side edge and a second side edge, where each curtain wall module comprises a frame structure and a sealing element.
• curtain wall systems are today often used when building multi-storey buildings. Many multi-storey buildings are constructed by first installing a main building structure defining the various floors of the building, where external walls subsequently are installed between main frame elements of the main building structure.
• the external walls could be of the curtain wall system type, where curtain wall modules are mounted to the main building structure next to each other in arrays.
• curtain wall modules could be standardized, they are complex and time consuming to manufacture and install. Integrated construction elements such as door or window modules add complexity to the curtain wall modules. When installing curtain wall modules, they have to be carefully adjusted to the main building structure, due to tolerance variations in the construction of both the curtain wall modules and the main building structure itself. Further, the curtain wall modules need to be rigid in construction in order to provide a secure and stable building construction and are therefore often heavy and thus difficult to keep in place during installation when lifted by a crane. Another problem is to construct the curtain wall system so that the system could meet the high demands on closeness and leakage security, which especially is of high importance when constructing energy efficient buildings in cold or hot climate areas.
• curtain wall system that is easy to manufacture and install, which system includes curtain wall modules that are rigid and lightweight in construction, where the system further could meet high demands on closeness, energy efficiency and leakage security.
• An object of the present disclosure is to provide a curtain wall system, a composite module and a building comprising a curtain wall system, where the previously problems are avoided. This object is at least partly achieved by the features of the independent claims.
• the dependent claims contain further developments of the curtain wall system.
• the disclosure concerns a curtain wall system for a building comprising two or more composite modules, and a composite module for a curtain wall system, where each composite module comprises: an outer surface, an inner surface, an upper edge, a lower edge, a first side edge and a second side edge; a frame structure having an upper beam, a lower beam and at least one supporting beam, where the at least one supporting beam is connecting the upper beam and the lower beam; a hanging element arranged at the upper edge on the inner surface of the composite module, where the hanging element is adapted for connecting the composite module to an upper floor of the building; and a supporting element arranged at the lower edge on the inner surface of the composite module, where the supporting element is adapted for connecting the composite module to a lower floor of the building.
• Each composite module further comprises a continuous sealing element of an elastomeric material, where the continuous sealing element of each composite module is interacting with the continuous sealing element of another composite module, wherein the continuous sealing element is arranged at least along the first side edge, the lower edge, and the second side edge of each composite module, and where the continuous sealing element has a width that is covering the whole or essentially the whole thickness of the first side edge, the lower edge and the second side edge.
• the part of the continuous sealing element arranged along the first side edge of a first composite module is interacting with the part of the continuous sealing element along the second side edge of an adjacent second composite module, and the part of the continuous sealing element arranged along the second side edge of the first composite module is interacting with the part of the continuous sealing element along the first side edge of an adjacent third composite module.
• the curtain wall system can be made with high demands on closeness and leakage security, which especially is of high importance when constructing energy efficient buildings in cold or hot climate areas.
• the continuous sealing element is arranged along the first side edge, the lower edge, the second side edge and the upper edge of each composite module, wherein the continuous sealing element is forming a continuous sealing structure along the first side edge, the lower edge, the second side edge and the upper edge of each composite module.
• the continuous sealing element is arranged along the first side edge, the lower edge, and the second side edge of each composite module, wherein the continuous sealing element is forming a continuous sealing structure along the first side edge, the lower edge, and the second side edge of each composite module, and where a continuous upper sealing element is arranged along the upper edges of two or more composite modules forming a row of composite modules along a storey of the building, where the continuous upper sealing element is interacting with the part of the continuous sealing element along the lower edges of two or more adjacent composite modules arranged above the two or more composite modules.
• the continuous upper sealing element has a width that is covering the whole or essentially the whole thickness of the upper edge, to provide an efficient sealing function.
• the sealing elements comprises a continuous sealing base with at least an inner sealing protrusion, arranged close to the inner surface, and an outer sealing protrusion, arranged close to the outer surface, where the inner and outer sealing protrusions of each composite module are interacting with corresponding inner and outer sealing protrusions of another composite module.
• the sealing elements can further comprise an intermediate sealing protrusion, where the intermediate sealing protrusion is arranged between the inner sealing protrusion and the outer sealing protrusion, where the intermediate sealing protrusion of each composite module is interacting with a corresponding intermediate sealing protrusion of another composite module.
• the sealing protrusions are provided with at least one weakening line adapted for controlling a compression of the sealing protrusions.
• the continuous sealing base comprises spaced apart drainage apertures
• the outer sealing protrusion of the sealing elements arranged along the upper edge comprises spaced apart drainage openings. Wth these features condense water or water that may have leaked into or between the composite modules can be drained out from the curtain wall system.
• At least one of the sealing protrusions in a corner area of the continuous sealing element is provided with a sealing plug, wherein the sealing plug is arranged inside a hollow channel of the sealing protrusions.
• the sealing plugs are providing an efficient seal between the composite modules.
• the frame structure of each composite module is adapted for carrying the load of the composite module and at least one supporting beam is arranged a distance inside the side edges.
• the composite modules are simple and flexible in construction without the need of a separate frame structure arranged around the edges of the module.
• the frame structure and the supporting beams are arranged for carrying the load of the module and with this construction the module may in a simple and efficient way be provided with other structural elements arranged in connection to the supporting beams.
• an insulation structure is arranged in the frame structure.
• the insulation structure may for example be a panel structure with good insulation properties providing good insulation of the composite modules.
• At least one of the composite modules of the curtain wall system further comprises one or more construction elements, such as a door module and/or a window module, where each construction element is arranged between two supporting beams connecting the upper beam and the lower beam.
• the hanging element is part of a connecting mechanism adapted for connecting the composite module to an upper floor of the building, where the connecting mechanism further comprises; a base structure attached to the upper floor and a connecting element mounted to the base structure; wherein the hanging element is connecting the composite module to the upper floor via the connecting element and the base structure.
• the supporting element is part of a connecting mechanism adapted for connecting the composite module to a lower floor of the building, where the connecting mechanism further comprises; a base structure attached to the lower floor and a connecting element mounted to the base structure; wherein the supporting element is connecting the composite module to the lower floor via the connecting element and the base structure.
• the connecting element is adjustably mounted to the base structure, and the base structure is adjustably mounted to the floor.
• the disclosure further concerns a building with a curtain wall system with composite modules.
• FIG. 1 shows schematically a front view of a curtain wall system with composite modules according to the disclosure
• Fig. 2a-c show schematically, in perspective views, a composite module and a frame structure for the curtain wall system according to the disclosure
• Fig. 3a-b shows schematically, in a perspective view, a cross-section of the lower edge of the composite module with a continuous sealing element according to the disclosure, and a cross-section from above of two composite modules with interacting continuous sealing elements arranged along side edges of the composite modules according to the disclosure
• Fig. 4 shows schematically, in a perspective view, a section of a building with a curtain wall system having composite modules and a continuous upper sealing element according to the disclosure
• Fig. 5a-b show schematically, in a perspective view, a cross-section of the lower edge of the composite module with a continuous sealing element according to an alternative embodiment of the disclosure, and a cross- section from above of two composite modules with interacting continuous sealing elements arranged along side edges of the composite modules according to an alternative embodiment of the disclosure,
• Fig. 6a-b shows schematically, in a perspective view, a cross-section of the upper edge of the composite module with a sealing element according to the disclosure, and a front view of a cross-section along line A-A in figure 6a of two composite modules with interacting sealing element arranged along the upper edge and sealing element arranged along the lower edge according to the disclosure,
• Fig. 7a-c show schematically, a connecting mechanism according to the disclosure
• Fig. 8a-b show schematically, in a perspective view, a corner area at the lower edge of the composite module with a continuous sealing element according to the disclosure, and two composite modules in a view from below with interacting continuous sealing elements arranged along side edges of the composite modules according to the disclosure,
• Fig. 9a-b show schematically, in a perspective view, a corner area at the lower edge of the composite module with a continuous sealing element according to the disclosure, and two composite modules in a view from below with interacting continuous sealing elements arranged along side edges of the composite modules according to the disclosure,
• Fig 10 shows schematically, in a perspective view, a corner area of the composite module with a continuous sealing element and sealing plugs according to the disclosure
• Fig 1 1 a-b show schematically, in front views different embodiments of intersections of composite modules with sealing elements and sealing plugs.
• curtain wall systems are used when building multi-storey buildings, which are constructed by first installing a building structure with a number of floors to which curtain wall modules are attached.
• Curtain wall modules could be constructed in different ways and according to the disclosure the curtain wall modules are of the composite module type, where different materials are combined in the construction of the composite module.
• the materials used in the composite module may have significantly different physical properties, which materials when combined will give the composite module specific properties, such as for example a lightweight module construction with high strength.
• Figure 1 schematically shows a building 101 with a curtain wall system 1 comprising a number of composite modules 2.
• the curtain wall composite modules 2 are attached to floors 102 of the building 101.
• At least two curtain wall modules 2 are together forming the curtain wall system 1 , and often many curtain wall modules 2 are used together when forming the curtain wall system 1 in order to build external facade walls covering the building structure.
• the building 101 is not fully covered with composite modules 2 to show that the composite modules 2 are attached to the different floors 102 of the building 101.
• a finished building may have the whole outer surface covered with a curtain wall system with composite modules 2.
• a storey 103 is in this context defined as the level of a building between two floors 102. As shown in figure 1 , the building 101 has four storeys 103a-d, where each storey 103 is delimited by two floors 102a-e.
• the first storey 103a is delimited by the first floor 102a and the second floor 102b
• the second storey 103b is delimited by the second floor 102b and the third floor 102c, etcetera.
• At least two composite modules 2 may together form a row of composite modules 2 along a storey 103 of the building 101 , as for example the three adjacent composite modules 2a, 2b, 2c along the first storey 103a, as shown in figure 1.
• an individual composite module 2 is shown, where the composite module 2 has an outer surface 3, an inner surface 4, an upper edge 5, a lower edge 6, a first side edge 7 and a second side edge 8.
• the outer surface 3 is the surface of the composite module 2 that is facing outwards from the building structure when mounted, forming a part of the external facade of the building 101.
• the inner surface 4 is the surface of the composite module 2 that is facing inwards from the building structure when mounted, towards the inner side of the building 101.
• the composite module 2 comprises a frame structure 9 with an upper beam 10, a lower beam 1 1 and one or more supporting beams 12.
• the frame structure 9 gives the composite module 2 a rigid and stable construction that is easy to manufacture with high precision.
• the frame structure 9 defines the basic structure of the composite module 2 and can be designed in many different ways depending on the construction needs.
• the main structure comprises as described above an upper beam 10, a lower beam 1 1 and at least one supporting beam 12, where the at least one supporting beam 12 is connecting the upper beam 10 and the lower beam 1 1.
• the frame structure comprises two supporting beams 12, which both are connecting the upper beam 10 and the lower beam 1 1.
• the beams 10, 1 1 , 12 are made of a suitable material, such as steel.
• the supporting beams 12 are fastened to the upper beam 10 and the lower beam 11 through welding or by using other suitable fastening means, such as for example glue, rivets, screw joints, or bolt joints. As shown in the embodiment in figure 2b, the supporting beams 12 may be arranged at distances D1 , D2 inside the first side edge 7 and the second side edge 8 respectively, which provides a flexible construction of the composite module 2. The distances D1 and D2 may be the same or different depending on the design of the composite module 2.
• the frame structure 9 of each composite module 2 may be constructed so that it is adapted for carrying the total load of the composite module 2 including all construction elements, as further described below.
• the frame structure 9 is flexible in construction and provides many different design possibilities, since the number of supporting beams 12 can be altered to suit a specific design solution of the composite module 2. Further, the height, width and thickness dimensions of the frame structure 9 can easily be adapted to a specific composite module 2 design by selecting suitable dimensions of the beams 10, 1 1 , 12 in order to achieve the desired dimensions of the composite module 2.
• the height H is the dimension of the structure in the vertical direction when mounted to the building
• the width W is the dimension in the horizontal direction along the floor of the building when mounted to the building, as shown in figure 1.
• the number of composite modules 2 used in a curtain wall system 1 is dependent on the construction of the building 101.
• the composite modules 2 are installed between two floors 102 of the building 101 , and typically each composite module 2a-c are installed between two adjacent floors 102a, 102b. This means that each composite module 2 is installed between an upper floor and an adjacent lower floor, where as an example the floor 102b in figure 1 is the upper floor in relation to the floor 102a, which is the lower floor.
• the composite module 2 may also have a larger height dimension and be installed between two non-adjacent floors, so that the composite module 2 is covering two or more storeys 103 of the building 101 , as shown by the composite module 2e in figure 1 , where the floor 102e is the upper floor and the floor 102c is the lower floor to which the composite module 2e is attached.
• the composite modules 2 of the curtain wall system 1 may also be arranged with different width dimensions, also shown in figure 1 , so that they are different in size in a direction along the floors. Composite modules 2 that vary in shape and size are then combined in the curtain wall system.
• the composite modules 2 can for example be varied so that the composite modules 2 arranged on one storey 103 of the building 101 may be different in shape and size from the composite modules of another storey 103 of the same building 101 , or composite modules on one and the same storey 103 may be different in shape and size.
• the side edges of the composite modules 2, which are running in the vertical direction, may be aligned between the storeys 103, or as an alternative, the side edges may not be aligned between the storeys 103.
• the upper beam 10 and the lower beam 1 1 are essentially arranged in a horizontal direction and run parallel with the floors of the building 101.
• the supporting beams 12 are arranged essentially perpendicular to the upper beam 10 and the lower beam 11 so that they are essentially arranged in a vertical direction when the composite module 2 is mounted on the building 101.
• An insulation structure 13 is arranged within the frame structure 9, between the upper beam 10 and the lower beam 1 1.
• a first insulation structure 13a is arranged between a first supporting beam 12a and a second supporting beam 12b, a second insulation structure 13b on the outer side of the first supporting beam 12a towards the first side edge 7 of the composite module, and a third insulation structure 13c on the outer side of the second supporting beam 12b towards the second side edge 8 of the composite structure. Since the first supporting beam 12a and the second supporting beam 12b are arranged inwards of the outer edges of the upper beam 10 and the lower beam 11 , there is room for the second insulation structure 13b and the third insulation structure 13c on the outer sides of the respective first and second supporting beams. In this way the outer side edges of the second and third insulation structures are forming the first side edge 7 and the second side edge 8 of the composite module 2.
• the insulation structure 13 can be made of a suitable insulation material, which insulation material is forming the thermal envelope of the building 101 , which reduces heat transfer through the facade of the building.
• the insulation material may be in the form of self-bearing insulation panels with suitable dimensions that fit within the frame structure 9.
• suitable insulation structures are insulating panels. Such insulation panels may for example be made of fiberglass, rock or slag wool, and foamed materials.
• the curtain wall system 1 may further comprise one or more composite modules 2 with one or more additional construction elements 29 arranged in the composite module 2, such as window modules or door modules.
• composite modules may comprise construction elements 29.
• each construction element 29 is arranged between two supporting beams 12, which are connecting the upper beam 10 and the lower beam 1 1 , as shown in figure 2c, where a door module and a window module are arranged in the composite module.
• Further beams may be arranged in the frame structure 9 to strengthen the construction.
• the composite modules 2 may be covered on the outer surface 3 with a suitable outer cover material, such as for example metal sheets, which may form part of the composite module structure.
• a further outer structure may be attached to the outside of the outer cover material, to give the building 101 an aesthetically attractive exterior design from an architectonic point of view, and also protect the composite modules 2 from for example wind, sunlight, snow and rain.
• This further outer structure may for example be made of glass, metal, stone, wood or other suitable materials.
• the inner surface 4 of the composite modules 2 may also be covered with a suitable inner cover material, such as for example metal sheets, which may form part of the composite module structure. Further materials can be arranged on the inside of the inner cover material, such as an additional insulation layer and plasterboard, to give the composite modules an attractive interior design.
• Each composite module 2 further comprises a continuous sealing element 14, as shown in figure 2c, which continuous sealing element 14 is establishing a tight seal between different composite modules 2.
• the continuous sealing element 14 is arranged along the first side edge 7, the lower edge 6 and the second side edge 8 of the composite module 2.
• the continuous sealing element 14 may be constructed as one continuous sealing band unit designed to cover the first side edge 7, the lower edge 6 and the second side edge 8 without any joints or seams in order to achieve a tight sealing construction, preventing that water is leaking into the composite modules 2.
• the continuous sealing element 14 of one composite module is constructed to interact with the continuous sealing element of another composite module.
• the part of the continuous sealing element 14 that is arranged along the first side edge 7 of a first composite module 2a is interacting with the part of the continuous sealing element 14 along the second side edge 8 of an adjacent second composite module 2b, and the part of the continuous sealing element 14 arranged along the second side edge 7 of the first composite module 2a is interacting with the part of the continuous sealing element 14 along the first side edge 8 of an adjacent third composite module 2c.
• the continuous sealing element 14 of each composite module 2 is thus adapted for interacting with other continuous sealing elements 14.
• the curtain wall system 1 can be designed with a high closeness between the side edges of the composite modules 2 and since two continuous sealing elements 14 are interacting with each other along the side edges, a curtain wall system 1 with a very high closeness can be achieved compared to traditional curtain wall systems.
• the continuous sealing element 14 has a width WS that is equal or essentially equal to the thickness T of the edges 6, 7, 8 of the composite module 2 so that the continuous sealing element 14 is covering the whole or essentially the whole thickness T of the edges 6, 7, 8 of the composite module 2, see figures 3a and 3b.
• the continuous sealing element 14 may thus have a width WS that is slightly narrower than the thickness T of the edges 6, 7, 8, as long as the continuous sealing element 14 has a width WS that is essentially equal to the thickness T, due to manufacturing tolerances.
• the width WS of the continuous sealing element 14 is the width in a direction from the outer surface 3 to the inner surface 4 of the composite module 2, as shown in figures 3a and 3b, and with this arrangement of the continuous sealing element 14 the edges of the composite module 2 are protected by the continuous sealing element 14.
• the continuous sealing element 14 may have a width WS that is broader than the thickness T of the edges 6, 7, 8.
• the continuous sealing element 14 is made of a suitable material as for example rubber or another elastomeric material with good sealing properties such as for example silicone, EPDM, TPE, silicone foam, and EPDM foam.
• the elastomeric material exhibits elastic or rubber-like properties that are providing a flexible construction of the continuous sealing element 14 that secures the good sealing properties. Different compounds may be used for the elastomeric material depending on the desired properties of the sealing element.
• the continuous sealing element 14 comprises a continuous sealing base 21 with at least two sealing protrusions, which sealing protrusions are running in a direction along the first side edge 7, the lower edge 6 and the second side edge 8, when mounted on the composite modules 2, so that the sealing protrusions run essentially parallel with the respective edges.
• the continuous sealing element comprises an inner sealing protrusion 22 and an outer sealing protrusion 23.
• the inner sealing protrusion 22 is arranged close to the inner surface 4 of the composite module 2 and the outer sealing protrusion 23 is arranged close to the outer surface 3 of the composite module 2.
• the continuous sealing element 14 has a flat side that is attached to the composite module 2 and a side with sealing protrusions 22, 23, which sealing protrusions are facing in a direction away from the composite module 2 to which it is attached, as seen in figures 3a and 3b.
• the sealing protrusions 22, 23 of the continuous sealing element 14 of each composite module 2 are interacting with corresponding inner and outer sealing protrusions 22, 23 of the continuous sealing element 14 of another composite module 2 when mounted to the building, as shown in figure 3b.
• the continuous sealing base 21 of the part of the continuous sealing element 14 along the lower edge 6 may comprise spaced apart drainage apertures 24, arranged between the inner sealing protrusion 22 and the outer sealing protrusion 23, so that condense water or water that may have leaked into the composite module can be drained out from the composite module 2 through the drainage apertures 24.
• the sealing protrusions 22, 23 may be constructed as arc-formed hollow channels 34 on the continuous sealing base 21. This construction is making the sealing protrusions 22, 23 flexible so that they can be easily compressed when interacting with corresponding other sealing protrusions of another composite module 2, as shown in figure 3b, in order to establish a tight seal between the composite modules 2. As an alternative it may also be possible to make the sealing protrusions non- hollow or in other shapes than arc-shaped.
• the continuous sealing element 14 comprises a continuous sealing base 21 with three sealing protrusions, an inner sealing protrusion 22 and an outer sealing protrusion 23 and an intermediate sealing protrusion 26.
• the inner sealing protrusion 22 is arranged close to the inner surface 4 of the composite module 2 and the outer sealing protrusion 23 is arranged close to the outer surface 3 of the composite module 2.
• the intermediate sealing protrusion 26 is arranged between the inner sealing protrusion 22 and the outer sealing protrusion 23.
• the continuous sealing element 14 has a flat side that is attached to the composite module 2 and a side with the sealing protrusions 22, 23, 26, which sealing protrusions are facing in a direction away from the composite module 2 to which it is attached, as seen in figures 5a and 5b.
• the three sealing protrusions 22, 23 26 of the continuous sealing element 14 of each composite module 2 are interacting with corresponding inner, outer and intermediate sealing protrusions 22, 23, 26 of the continuous sealing element 14 of another composite module 2 when mounted to the building, as shown in figure 5b.
• the continuous sealing base 21 of the part of the continuous sealing element 14 along the lower edge 6 may comprise spaced apart drainage apertures 24, arranged between the intermediate sealing protrusion 22 and the outer sealing protrusion 23, so that condense water or water that may have leaked into the composite module can be drained out from the composite module 2 through the drainage apertures.
• the sealing protrusions 22, 23, 26 may be constructed as arc-formed hollow channels 34 on the continuous sealing base 21.
• This construction is making the sealing protrusions 22, 23, 26 flexible so that they can be easily compressed when interacting with corresponding other sealing protrusions of another composite module 2, as shown in figure 5b, in order to establish a tight seal between the composite modules 2.
• the curtain wall system 1 may also comprise a continuous upper sealing element 20, where the continuous upper sealing element 20 is arranged as a continuous sealing band along the upper edges 5 of two or more adjacent composite modules 2 forming a row of composite modules along a storey 103 of the building 101 , as shown in figure 4.
• the continuous upper sealing element 20 may thus be arranged to cover the upper side edges 5 of all the composite modules 2 forming the row along a storey 103. In this way a long continuous sealing band is covering the upper edges 5 of the composite modules 2 so that water is prevented from entering between the side edges of the composite modules 2.
• an intersection C between four composite modules with this construction is shown in figure 1 1a in a front view.
• the continuous upper sealing element 20 is arranged on the upper edges 5 of the composite modules 2.
• the continuous upper sealing element 20 may be manufactured as a long continuous sealing band that is placed on the upper edges 5 of the composite modules 2 in order to cover the upper edges of as many composite modules 2 as desired, such as the full row of composite modules along a storey 103 of the building 101.
• the continuous upper sealing element 20 may have a cross-sectional profile that is identical or similar to the cross sectional profile of the continuous sealing element 14 described in the embodiments above, and is also made of a suitable material as for example rubber or another elastomeric material with good sealing properties, such as for example silicone, EPDM, TPE, silicone foam, and EPDM foam.
• the continuous upper sealing element 20 may have a width WU that is equal or essentially equal to the thickness T of the upper edge 5 of the composite module 2 so that the continuous upper sealing element 20 is covering the whole or essentially the whole thickness of the upper edge 5 of the composite module 2, see figure 6a.
• the continuous upper sealing element 20 may thus have a width WU that is slightly narrower than the thickness T of the upper edge 5, as long as the continuous upper sealing element 20 has a width WU that is essentially equal to the thickness T, due to manufacturing tolerances.
• the width WU of the continuous upper sealing element 20 is the width in a direction from the outer surface 3 to the inner surface 4 of the composite module 2, as shown in figure 6a, and with this arrangement of the continuous upper sealing element 20 the upper edge 5 of the composite module 2 is efficiently protected by the continuous upper sealing element 20.
• the continuous upper sealing element 20 may have a width WU that is broader than the thickness T of the upper edge 5.
• the continuous upper sealing element 20 may comprise a continuous sealing base 21 with at least two sealing protrusions, which sealing protrusions are running in a direction along the upper edges 5, when placed on the composite modules 2, so that the sealing protrusions run essentially parallel with the upper edges 5.
• the continuous upper sealing element 20 comprises an inner sealing protrusion 22 and an outer sealing protrusion 23.
• the inner sealing protrusion 22 is arranged close to the inner surface 4 of the composite module 2 and the outer sealing protrusion 23 is arranged close to the outer surface 3 of the composite module 2.
• the continuous upper sealing element 20 has a flat side that is attached to the upper edges 5 of the array of composite modules 2 and a side with sealing protrusions 22, 23, which sealing protrusions are facing in a direction upwards from the composite modules 2 to which it is attached.
• the sealing protrusions 22, 23 of the continuous upper sealing element 20 are interacting with corresponding inner and outer sealing protrusions 22, 23 of the part of the continuous sealing element 14 along the lower edges 6 of two or more adjacent composite modules 2 arranged above the continuous upper sealing element 20.
• a first array of composite modules 2 on the first storey 103a are attached to the building between the first floor 102a and the second floor 102b.
• the continuous upper sealing element 20 is arranged on the upper edges 5 of the composite modules 2 on the first storey 103a.
• a second array of composite modules 2 are attached on the second storey 103b of the building 101 between the second floor 102b and the third floor 102c.
• the sealing protrusions 22, 23 may be constructed as arc-formed hollow channels 34 on the continuous sealing base 21. This construction is making the sealing protrusions 22, 23 flexible so that they can be easily compressed when interacting with corresponding other sealing protrusions of another composite module 2, as shown in figure 4, in order to establish a tight seal between the composite modules 2.
• the outer sealing protrusion 23 of the continuous upper sealing element 20 may be arranged with spaced apart drainage openings 25.
• the drainage openings 25 may be made as cut-out portions of the outer sealing protrusions to allow water to drain out from the continuous sealing base 21 to the outside of the building 101.
• the drainage openings 25 may have a length in the direction along the upper edge 5, between 1-3 cm, and be spaced apart at a suitable distance depending on the design of the composite module 2.
• the continuous upper sealing element 20 may be so arranged that two drainage openings 25 are located below each composite module. Other suitable dimensions on the drainage openings 25 and the distance between two drainage openings 25 may be chosen depending on the construction needs.
• the continuous upper sealing element 20 in the same way as described above for the continuous sealing element 14, comprises a continuous sealing base 21 with three sealing protrusions, an inner sealing protrusion 22 and an outer sealing protrusion 23 and an intermediate sealing protrusion 26.
• the inner sealing protrusion 22 is arranged close to the inner surface 4 of the composite module 2 and the outer sealing protrusion 23 is arranged close to the outer surface 3 of the composite module 2.
• the intermediate sealing protrusion 26 is arranged between the inner sealing protrusion 22 and the outer sealing protrusion 23.
• the continuous upper sealing element has a flat side that is attached to the composite module 2 and a side with sealing protrusions 22, 23, 26, which sealing protrusions are facing upwards from the composite module 2 to which it is attached.
• the outer sealing protrusion 23 of the continuous upper sealing element 20 may be arranged with spaced apart drainage openings 25.
• the three sealing protrusions 22, 23, 26 of the continuous upper sealing element 20 are interacting with corresponding inner, outer and intermediate sealing protrusions 22, 23, 26 of the continuous sealing element 14 along the lower edge 6 of another composite module 2 when mounted to the building.
• the sealing protrusions 22, 23, 26 may be constructed as arc-formed hollow channels 34 on the continuous sealing base 21. This construction is making the sealing protrusions 22, 23, 26 flexible so that the can be easily compressed when interacting with corresponding other sealing protrusions of another composite module 2, in order to establish a tight seal between the composite modules 2.
• the continuous sealing element 14 may be attached to the first side edge 7, lower edge 6 and second side edge 8 of the composite modules 2 with glue, for example silicone glue, or with another suitable fastening means, such as rivets. Also the continuous upper sealing element 20 may be attached to the upper edges 5 of two or more composite modules 2 in the same way.
• the continuous sealing element 14 may comprise an inner sealing edge 27 extending from the continuous sealing base 21 , as shown in figures 5a and 5b.
• the inner sealing edge is extending parallel with the inner surface 4 of the composite module 2 along the first side edge 7, the lower edge 6 and the second side edge 8.
• the continuous sealing element 14 may further comprise an outer sealing edge 28 extending from the continuous sealing base 21 and parallel with the outer surface 3 of the composite module 2 along the first side edge 7, the lower edge 6 and the second side edge 8.
• the continuous sealing element may be provided with only the inner sealing edge 27 or only the outer sealing edge 28, and will then have an L-shaped configuration, not shown in the figures.
• the continuous upper sealing element 20 may comprise similar inner sealing and outer sealing edges, or only an inner sealing edge or only an outer sealing edge.
• the continuous sealing element 14 is arranged along all edges of the composite modules 2, so that the first side edge 7, the lower edge 6, the second side edge 8 and the upper edge 5 of each composite module 2 are covered by the continuous sealing element 14. An intersection between four composite modules with this construction is shown in figure 1 1 b in a front view.
• the continuous sealing element 14 is in this embodiment forming a continuous sealing structure along the first side edge 7, the lower edge 6, the second side edge 8 and the upper edge 5 of each composite module 2, so that the continuous sealing element 14 is arranged around the whole composite module 2 covering the whole periphery around the composite module 2.
• the continuous sealing element 14 may in this embodiment be formed as a loop of elastomeric material, which is fitted to the composite module structures.
• the continuous upper sealing element 20 is not needed. Instead, the part of the continuous sealing element 14 arranged along the upper edge 5 of the composite module 2 will have a similar function as the continuous upper sealing element 20 described above, preventing water from entering into the composite module 2.
• the continuous sealing element 14 arranged along all edges of the composite module 2 may be of the same construction and dimension as the continuous sealing element 14 or the continuous upper sealing element 20 described in the embodiments above with a continuous sealing base 21 , an inner sealing protrusion 22 and an outer sealing protrusion 23.
• the continuous sealing element 14 may also be provided with an intermediate sealing protrusion 26 as described above.
• the part of the continuous sealing element 14 arranged along the upper edge 5 of the composite module 2 may be provided with spaced apart drainage openings.
• the outer sealing protrusion 23 of the part of the continuous sealing element 14 arranged along the upper edge 5 may be constructed with cut-out portions in the outer sealing protrusions 23 forming the drainage openings, to allow water to drain out from the continuous sealing base 21 to the outside of the building 101.
• the sealing protrusions may be provided with one or more weakening lines 35, where the material of the sealing protrusions is thinner or made weaker than the rest of the sealing protrusions.
• the at least one weakening line 35 may be provided on the inner sealing protrusion 22, the outer sealing protrusion 23 and the intermediate sealing protrusion 26.
• the at least one weakening line 35 is adapted for controlling the compression of the sealing protrusions 22, 23, 26.
• the at least one weakening line may be arranged on one or more of the sealing protrusions 22, 23, 26 in a direction along the continuous sealing element 14 or the continuous upper sealing element 20, so that when the sealing protrusion is compressed, the weakening line 35 forces the sealing protrusion to be compressed in a desired direction so that a tight seal is established between two interacting sealing protrusions 22, 23, 26 of different composite modules 2.
• the sealing protrusion is provided with two weakening lines.
• the sealing protrusion may be provided with only one weakening line 35 or three or more weakening lines 35 instead.
• FIG 8a and in figure 9a a corner area 32 of different embodiments of the composite module 2 is shown.
• the composite module 2 is shown in a perspective view from below.
• the corner area 32 shown in the examples in figures 8a and 8b is arranged on the part of the composite module 2 where the first side edge 7 and the lower edge 6 meet.
• the other corner areas may be constructed in the same way.
• the continuous sealing element 14 is arranged in the corner area 32 as a continuous sealing band as described in the embodiments above.
• the continuous sealing element 14 with the inner sealing protrusions 22 and the outer sealing protrusions 23 are following the continuous sealing element around the corner of the composite module 2, from the lower edge 6 to the first side edge 7 across a corner edge 36.
• a cut may be made in the sealing protrusions 22, 23 in a direction along the corner edge 36 so that the hollow channels 34 are exposed.
• the sealing protrusions 22, 23 are expanded in the corner area 32 and not impacted or compressed when arranged around the corner edge 36, so that they are providing a better sealing function.
• FIGS 9a and 9b a similar construction is shown, where the continuous sealing element 14 also has an intermediate sealing protrusion 26, so that the continuous sealing element 14 is provided with three sealing protrusions 22, 23, 26 instead of two.
• the cut in the sealing protrusions may be made with a knife or other suitable cutting tool during manufacturing of the continuous sealing elements 14 or when they are mounted to the composite module structure.
• the cuts may be provided on one or more sealing protrusions on one or more corners of the composite modules 2.
• At least one of the sealing protrusions 22, 23, 26 in the corner area 32 of the continuous sealing element 14 may be provided with a sealing plug 33 to further increase the closeness and sealing function of interacting continuous sealing elements 14.
• the sealing plug 33 is arranged to be at least partly inserted into the hollow channels 34 of the sealing protrusions 22, 23, 26.
• the sealing plugs 33 are provided with sealing plug edges 37 adapted for being inserted into the hollow channels 34.
• the sealing plug edges 37 are thus constructed with a shape and size that is matching the shape and size of the hollow channels 34 so that they can be easily inserted into the hollow channels 34 but still efficiently stay in place after being inserted.
• the sealing plugs may also be glued or attached to the hollow channels in other suitable ways.
• the sealing plugs 33 are thus arranged in the corners of the composite module 2 so that they are extending into the sealing protrusions arranged on both sides of the corner edge 36, as shown in figures 10, 1 1a and 11 b.
• the sealing plugs 33 may be made of a foam material or a suitable elastic or elastomeric material, and as shown in figures 10, 1 1 a and 11 b, the sealing plugs 33 may be L-shaped or arranged with a bent shape so that the sealing plug edges 37 can be inserted into the hollow channels 34 of the sealing protrusions to form a tight seal in the corner area 32 of the composite module 2.
• Other suitable shapes of the sealing plugs are also possible.
• the sealing plugs can for example be made of rubber or another suitable elastomeric material with good sealing properties such as for example silicone, EPDM, TPE, silicone foam, and EPDM foam.
• the elastomeric material exhibits elastic or rubber-like properties that are providing a flexible construction of the sealing plugs 33 that secures the good sealing properties. Different compounds may be used for the elastomeric material depending on the desired properties of the sealing plugs 33.
• each composite module 2 is provided with a hanging element 18 that is arranged at the upper edge 5 on the inner surface 4 of the composite module 2, as shown in figure 7a.
• the hanging element 18 is one of the parts of the connecting mechanism 15 and the hanging element 18 is adapted for connecting the composite module 2 to an upper floor, as for example the floor 102b in figure 1 , of the building 101.
• the connecting mechanism 15 further comprises a base structure 16 attached to the upper floor 102b and a connecting element 17 mounted to the base structure 16, wherein the hanging element 18 is connecting the composite module 2 to the upper floor 102b via the connecting element 17 and the base structure 16.
• the hanging element 18 may be designed as an extended hook or U-shaped groove arranged along the upper edge 5 of the composite module 2 as shown in figure 7a.
• the hanging element 18 may be an integrated part of the upper beam 10.
• two or more separate hook elements arranged on the upper edge 5 of the composite module 2 may constitute the hanging element 18.
• Each composite module 2 may further be provided with a supporting element 19 that is arranged at the lower edge 6 on the inner surface 4 of the composite module 2, as shown in figure 7a.
• the supporting element 19 is also a part of the connecting mechanism 15, and is adapted for connecting the composite module 2 to a lower floor 102a of the building 101 , and the supporting element 19 is connecting the composite module 2 to the lower floor 102a via the connecting element 17 and the base structure 16.
• the supporting element 19 may be designed as an extended hook or U-shaped groove arranged along the lower edge 6 of the composite module 2 as shown in figure 7a.
• the supporting element 19 may be an integrated part of the lower beam 1 1.
• two or more separate hook elements arranged on the lower edge 6 of the composite module 2 may constitute the supporting element 19.
• At least two spaced apart connecting elements 17 mounted to the upper floor 102b via base structures 16, are used for connecting the hanging element 18 of each composite module 2 to the upper floor 102b.
• at least two connecting elements 17 are mounted to a lower floor 102a via base structures 16 for connecting the supporting element 19 of each composite module 2 to the lower floor 102b.
• a specific floor 102 on the building 101 may function as a lower floor for an upper composite module 2 and an upper floor for a lower composite module 2 arranged directly below the upper composite module 2, as can be seen in figure 7b.
• One and the same connecting element 17 may thus attach both an upper composite module and a lower composite module to the building.
• both the hanging element 18 of the lower composite module 2 and the supporting element 19 of the upper composite module 2 are connected to the same connecting element 17.
• separate connecting elements 17 may be used for the hanging element 18 and the supporting element 19 respectively.
• the connecting element 17 may be L-shaped, as shown in figure 7b or formed as a hook and is connected to the base structure 16 with adjustment screws or a similar arrangement so that the connecting element 17 can be adjusted in a direction upwards or downwards in relation to the base structure 16.
• the base structure 16 is attached to the floor 102 with for example bolts and the base structure 16 may be possible to adjust in a direction inwards and outwards in relation to the floor 102 of the building 101.
• the connecting element 17 is adjustably mounted to the base structure 16, and the base structure 16 is adjustably mounted to the floor 102, which makes it possible to adjust the outer part of the connecting element 17 to the composite modules 2 in an easy way to achieve a simple way to mount and adjust the composite modules 2.
• the base structure 16 may be provided with elongated holes 30, as shown in figure 7c, through which attachment bolts are extending into the floor structure.
• the attachment bolts are anchoring the base structure 16 to the floor 102 and washers 31 may be arranged between the top surface of the base structure 16 and the bolt head to cover the elongated holes 30, where the elongated holes 30 are extending in a direction inwards and outwards in relation to the floor 102, allowing the base structure 16 to be adjusted in relation to the floor 102.
• the base structure 16 may be provided with threaded rods extending in a vertical direction, to which the connecting element 17 is connected via holes arranged in the connecting element 17. Nuts are anchoring the connecting element 17 to the threaded rods. When adjusting the nuts in relation to the threaded rods, the connecting element 17 can be adjusted in a direction upwards or downwards in relation to the base structure 16. Other suitable adjustment means for the connecting element 17 and the base structure 16 are also possible. As further shown in figure 7b, the outer surfaces 3 of the composite modules are covered with an outer cover material, such as for example a metal sheet.
• the outer cover material is extending on the outside of the outer sealing edge of the continuous sealing element 14 at the lower edge of the upper composite module to secure that water cannot flow into the inside of the composite panel.
• the outer cover material is extending on the inside of the outer sealing edge of the continuous upper sealing element 20 at the upper edge of the lower composite module to secure that water cannot flow into the inside of the composite panel.
• the composite modules 2 as described in the different embodiments above with interacting continuous sealing elements 14, or interacting continuous sealing elements 14 and continuous upper sealing elements 20, will create a curtain wall system with a very high closeness value. Tests have shown with this construction closeness values of 600 Pa for both water-tightness and air permeability according to the test method EN 13830:2010.
• the curtain wall system 1 provides a good protection of the building 101 in different weather conditions. By selecting energy efficient construction elements 29 when building the composite panels it is also possible to achieve very low U-values of the curtain wall system.
• Sealing plug Hollow channel: Weakening line: Corner edge: Sealing plug edge1 : Building

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• Architecture (AREA)
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• Electromagnetism (AREA)
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• Structural Engineering (AREA)
• Load-Bearing And Curtain Walls (AREA)

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• 2017
  • 2017-07-04 WO PCT/SE2017/050745 patent/WO2018009129A1/en unknown
  • 2017-07-04 EP EP17824631.0A patent/EP3482009A4/de not_active Withdrawn

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