EP2221426B1 - A suspended ceiling and a method for supporting a suspended ceiling - Google Patents
A suspended ceiling and a method for supporting a suspended ceiling Download PDFInfo
- Publication number
- EP2221426B1 EP2221426B1 EP09179254A EP09179254A EP2221426B1 EP 2221426 B1 EP2221426 B1 EP 2221426B1 EP 09179254 A EP09179254 A EP 09179254A EP 09179254 A EP09179254 A EP 09179254A EP 2221426 B1 EP2221426 B1 EP 2221426B1
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- EP
- European Patent Office
- Prior art keywords
- profile
- suspended ceiling
- portions
- attachment portion
- cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims description 8
- 210000002105 tongue Anatomy 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000001788 irregular Effects 0.000 description 26
- 230000000007 visual effect Effects 0.000 description 14
- 238000005452 bending Methods 0.000 description 12
- 238000009408 flooring Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
- E04B9/303—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall for flexible tensioned membranes
Definitions
- the present invention relates to a suspended ceiling comprising a profile and at least one ceiling tile made of compressed fibre material.
- the profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to a surface.
- the present invention further relates to a method for supporting a suspended ceiling.
- the object is mainly to improve the acoustic environment of the room but it often also an object to conceal cable arrangements, ventilation equipment, lighting installations and other features. Additionally, the ceiling affects the aesthetic impression of the room, since the ceiling may contribute to the overall impression of the room and enhance the architectural experience of the interior of a building.
- Disturbing element could be edges that are not straight, damaged edges, negligent mounting of the tiles, etc.
- a further aspect is that when mounting a ceiling comprising tiles and a grid system supporting the tiles, approximately 80 % of the time for mounting the complete ceiling is for mounting the grid system and cutting the perimeter tiles, and only 20 % of the time is for mounting the central tiles.
- mounting the grid is a time-consuming task. Further, even small mistakes or inaccuracies in the mounting of the grid become highly visible when mounting the tiles and it results in a less aesthetic impression of the ceiling.
- shadow-line trims have been used to create small gaps between the wall and the tiles.
- the tiles are arranged at a distance from the wall.
- the tiles arranged adjacent the wall nearly always have to be cut, and thereby having a cut edge facing the wall, the cut edge has to be provided with a trimming or sealing if it is visible from the room.
- the profile is fastened to a wall not being planar, the profile, and consequently the tiles, will not be straight.
- shadow line trimming tries to hide this imperfection visually. Further, this solution does not solve the problem associated with twisted profiles.
- FR 2 740 800 discloses an arrangement for fastening tiles to the walls of a corridor.
- a first profile being fastened to the wall is adapted to receive a second profile, the second profile being movable within the first profile in a direction essentially perpendicular to the wall.
- this arrangement allows adaptation to varying distance between the walls of the corridor.
- the disclosed solution represents a complicated arrangement comprising a plurality of profiles for fastening the supporting structure to the wall and then elements for mounting the tiles to the supporting structure.
- the second profiles supporting the tiles have to be manually adjusted in order to form a straight line. In order to ensure that the profiles are maintained in this position, the second profile has to be secured to the first profile in an additional step. Further, this solution does not solve the problem associated with twisted profiles.
- CH 501 800 discloses a profile for suspending a wall or ceiling covering to a wall or ceiling surface.
- the profile has a web and a flange, wherein the web is concavely shaped towards the wall or ceiling.
- the profile may adapt to a somewhat irregular wall, following the irregularities of the wall, such that only small gap is formed between the profile and the wall.
- Ceiling tiles of mineral wool to be arranged in a suspended ceiling are known in the prior art, for example as mentioned in the background description of FR 2 581 680 .
- a suspended ceiling comprising a profile, the profile forming part of a grid supporting said suspended ceiling and extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface, wherein the profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to said surface, wherein each of said at least two attachments portions is resilient in a direction being adapted to at least partly point towards said surface for accommodating to any irregularities of said surface.
- the suspended ceiling further comprises at least one ceiling tile made of compressed fibre material, such as mineral wool, wherein the profile supports said at least one ceiling tile.
- Each of said at least two attachments portions is resilient in relation to the rest of profile such that the profile remains straight when being fastened to the surface.
- the profile may be adapted to support at least one tile and/or a secondary profile in turn being adapted to support at least one tile.
- the tile may be a ceiling tile, a floor tile, a wall tile or the like.
- the invention is especially suited for ceiling tiles, for example ceiling tiles made of compressed fibre material, such as mineral wool.
- the tile may, for example, be a sound absorber having sound-absorbing properties, and/or may be a sound-insulation element preventing sound from leaking from one room to another.
- the profile is adapted to abut the surface along its longitudinal extension. If the surface is irregular or wave-formed, the profile abuts only top portions of the surface. At some positions, a gap may be formed between the profile and the surface. If the attachment portion is positioned where such a gap is formed, the attachment portion will move towards the surface due to its resilient properties when fastening the profile by means of the fastening means being received in the attachment portion. The attachment portion is then abutting the surface but the rest of the profile will be positioned at a distance from the surface. The profile will remain straight and will not move towards the surface since the bending resistance of the profile is larger compared to the resistance of the resilient attachment portion.
- any tiles supported by the profile forms an edge being straight adjacent the profile.
- the edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- the profile when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line.
- the baffle tiles When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
- Each of said at least two attachment portions may be weakened by being provided with at least one cut.
- the portion being cut reduces the strength of the attachment portion compared to the rest of the profile. Thereby, a resilient attachment portion is obtained.
- the cut may be formed by for example punching or cutting, which is a simple and cost-efficient production method.
- the cut may e.g. be obtained by laser-cutting or by water-cutting.
- Said at least two attachment portions may be formed of a plurality of symmetrically arranged cuts. Thereby, when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- the profile may comprise at least one reinforcement arranged adjacent said at least two attachment portions.
- the reinforcement increases the bending resistance of the profile such that the profile remains straight even when a force is applied to the attachment portions.
- the reinforcement has an extension in the longitudinal direction extending over the extension of the attachment portion in the longitudinal direction.
- the present invention is realised by a method for supporting a suspended ceiling, comprising providing a profile forming a part of a grid for supporting said suspended ceiling, the profile extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface, the profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to said surface, providing at least two fastening means, fastening the profile to said surface by means of the fastening means engaging respective attachment portion and said surface, supporting at least one ceiling tile made of compressed fibre material, such as mineral wool, by the profile, wherein each of said at least two attachments portions is resilient in a direction being adapted to at least partly point towards said surface for accommodating to irregularities of said surface and is resilient in relation to the rest of profile, the resilient attachment portions accommodating to any irregularities of the surface such that the profile remains straight when being fastened to the surface.
- any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tile, and the visual impression of the profile is improved.
- a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile.
- a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- any tiles supported by the profile forms an edge being straight adjacent the profile.
- the edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- the profile 1 is adapted to support at least one tile and/or support a secondary profile in turn being adapted to support at least one tile.
- the tile may be ceiling tile, a floor tile, a wall tile or the like.
- the web 2 comprises at least two attachment portions 10.
- the attachment portions 10 are adapted to receive a fastening means of any conventional type, such as a screw 16 as shown in fig 3a-b ,for fastening the profile 1 to the surface 5.
- the attachment portion 10 is formed as a locally weakened portion of the profile 1.
- the attachment portions 10 may be equidistantly arranged along the profile 1 in its longitudinal direction.
- the attachment portion 10 comprises in this embodiment a tongue 11 having a hole 13 for receiving the fastening means, which is shown in more detail in figs 2a and 2b .
- the tongue 11 is formed by a portion of the web 2 being removed, for example by punching, or by cutting a portion of the web 2.
- the removed portion is in form of a U-shaped cut-out 12.
- the attachment portion 10 is resilient in view of the rest of the profile 1. When a force is applied in on the attachment portion 10 in a direction transverse to the longitudinal direction and pointing towards the surface 5, the attachment portion 10 is resiliently moveable towards the surface 5.
- the profile 1 Due to the bending resistance of the profile 1 in its longitudinal direction is larger than the resistance of the weakened attachment portions 10, the profile 1 will remain straight even if the surface 5 is irregular or wave-formed. No twisting of the profile 1 will occur. However, the attachment portions 10 will adapt to the irregularities of the surface 5 by being resilient in the direction being transverse to the longitudinal direction and pointing towards the surface 5.
- the attachment portion 310 comprises four tongues 311a-d.
- the tongues 311 a-d are formed by a portion of the web 2 being removed.
- the removed portion is formed as a symmetrically formed cut-out 312 being formed of four portions 312a-d.
- a centre portion 313 of the cut-out 312 forms a hole adapted to receive the fastening means. Since the cut-out 312 is symmetric, the attachment portion 310 will move in a direction being transverse to the longitudinal direction and towards the surface 5 when fastening the fastening means if a gap is formed between the profile 1 and the surface 5.
- Fig 4d discloses an attachment portion 410 comprising a cut-out 412.
- the cut-out 412 has a shape as a horizontally laid H.
- a centre portion 413 of the attachment portion 410 is adapted to receive a fastening means. Since the cut-out 412 is symmetric, the attachment portion 140 will move in a direction being transverse to the longitudinal direction and towards the surface 5 when fastening the fastening means, if a gap is formed between the profile 1 and the surface 5.
- a vertically standing H is also possible.
- Fig 4e shows an attachment portion 510 comprising four cut outs 512a-12d and a hole 513, which is adapted to receive a fastening means and is arranged in the centre of the attachment portion 510.
- the four cut-outs 12a-d are symmetrically arranged about the hole 513. Since the cut-outs 512a-d are symmetrically arranged, the attachment portion 50 will move in a direction being transverse to the longitudinal direction and towards the surface 5 when fastening the fastening means if a gap is formed between the profile 1 and the surface 5.
- the type of attachment portion may also be adjusted to suit different shapes, sizes and type of fastening means.
- the profile may be adapted to support at least one tile and/or a secondary profile in turn being adapted to support at least one tile.
- the tile may be a ceiling tile, a floor tile, a wall tile or the like.
- the invention is especially suited for ceiling tiles, for example ceiling tiles made of compressed fibre material, such as mineral wool.
- the tile may, for example, be a sound absorber having sound-absorbing properties, and/or may be a sound-insulation element preventing sound from leaking from one room to another.
- An advantage of the present invention is that the profile accommodates to or adjusts to any irregularities of the surface. Even if the surface, such as a wall, is not completely planar, the profile will remain straight after being fastened to the surface and will not follow the irregularities or the wave form of the surface.
- any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tiles, and the visual impression of the profile is improved.
- a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile.
- a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- any tiles supported by the profile forms an edge being straight adjacent the profile.
- the edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- the profile When the profile does not follow any irregularities of the surface, and when the profile forms a plane support for tiles and/or a secondary profile, the profile visually hides the imperfections of the surface, and thereby improves the visual impression.
- the present inventions reduces the mechanical strain of the profile when attached to the surface and thereby reduces the risk of the profile being twisted due to releasing of stress originating from the forming of the profile.
- the profile when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line.
- the baffle tiles When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
- the profile is provided with one or more abutment areas having an extension or being located along a second direction being orthogonal to the longitudinal direction.
- the abutment areas are adapted to abut the surface to which the profile is to be fastened and thereby prevent the profile from tilting about the longitudinal axis.
- the attachment portions allow movement at least partly in a third direction orthogonal to the longitudinal direction and to said second direction, i.e. towards the surface to which the profile is adapted to be fastened. If the profile is arranged with the longitudinal direction arranged horizontally, the second direction will be vertical and the third direction will be horizontal. If the profile is arranged with the longitudinal direction arranged vertical, the second direction will be horizontal and the third direction will be horizontal. If the profile is arranged with the longitudinal direction inclined, the second direction will be inclined and the third direction will be horizontal.
- Item 2 A profile (1; 1') according to item 1, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is formed as locally weakened portions of the profile (1, 1'). Due to the weakened portions, the bending resistance of the attachments portions is reduced compared to the rest of the profile. Thereby, the attachment portions become flexible and resilient in relation to the rest of the profile, and adapts to the irregularities of the wall while the profile remains straight.
- Item 3 A profile (1; 1') according to item 1 or item 2, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is weakened by being provided with at least one cut.
- the portion being cut reduces the strength of the attachment portion compared to the rest of the profile. Thereby, a resilient attachment portion is obtained.
- the cut may be formed by for example punching or cutting, which is a simple and cost-efficient production method. Alternatively, the cut may e.g. be obtained by laser-cutting or by water-cutting.
- Item 4 A profile (1; 1') according to any one of items 1-3, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) comprise a tongue (11; 111) formed from the profile (1, 1') by a portion of the profile (1, 1') being cut.
- said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) comprise a tongue (11; 111) formed from the profile (1, 1') by a portion of the profile (1, 1') being cut.
- Item 5 A profile (1, 1') according to item 4, wherein the tongue (11; 111) comprises a hole (13; 113; 213; 313; 413; 513; 613) adapted to receive the fastening means. Thereby, a conventional fastening means may be inserted through the tongue-shaped attachment portion.
- Item 6 A profile (1, 1') according to any one of items 1-5, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of tongues (311a-d) together defining an opening through which the fastening means is adapted to extend.
- Item 7 A profile (1; 1') according to any one of items 1-6, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of symmetrically arranged cuts (212a-d; 512a-d).
- Item 8 A profile (1, 1') according to any one of items 1-6, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a symmetrical cut (312; 412; 612).
- said attachment portion when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- Item 9 A profile (1; 1') according to any one of items 1-8, further comprising at least one reinforcement (614, 615) arranged adjacent said at least two attachment portions (10; 110; 210; 310; 410; 510; 610).
- the reinforcement increases the bending resistance of the profile such that the profile remains straight even when a force is applied to the attachment portions.
- the reinforcement has an extension in the longitudinal direction extending over the extension of the attachment portion in the longitudinal direction.
- Item 10 A profile (1; 1') according to any one of items 1-9, wherein the profile (1, 1') comprises a web (2) and a flange (3), the web (2) comprising said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) and being adapted to extend along said surface (5).
- the profile may form a part of a grid for supporting a suspended ceiling, a wall, a floor or the like.
- Item 11 A profile (1; 1') according to item 10, wherein the flange (3) is adapted to support at least one tile and/or at least one secondary profile.
- Item 12 A profile (1, 1') according to any one of items 1-11, wherein the profile (1, 1') is made of sheet metal. This is a convenient way of continuously producing profiles.
- Item 14 A method for fastening a profile (1, 1') to a surface (5), comprising providing a profile (1, 1') extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface (5), the profile (1, 1') comprises at least two attachment portions (10; 110; 210; 310; 410; 510; 610), each attachment portion (10; 110; 210; 310; 410; 510; 610) being adapted to receive a fastening means (16) for fastening the profile to said surface (5), wherein each of said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) is resilient in a direction being adapted to at least partly point towards said surface (5) for accommodating to irregularities of said surface (5), providing at least two fastening means (16), fastening the profile (1, 1') to said surface (5) by means of the fastening means (16) engaging respective attachment portion (10; 110; 210; 310; 410; 510; 6
- any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tile, and the visual impression of the profile is improved.
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- Engineering & Computer Science (AREA)
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Description
- The present invention relates to a suspended ceiling comprising a profile and at least one ceiling tile made of compressed fibre material. The profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to a surface. The present invention further relates to a method for supporting a suspended ceiling.
- When mounting a ceiling comprising tiles having sound-absorbing and/or sound-insulation properties, the object is mainly to improve the acoustic environment of the room but it often also an object to conceal cable arrangements, ventilation equipment, lighting installations and other features. Additionally, the ceiling affects the aesthetic impression of the room, since the ceiling may contribute to the overall impression of the room and enhance the architectural experience of the interior of a building.
- Having the aesthetical aspect in mind, it is important that no element disturbs the overall impression of the ceiling. Disturbing element could be edges that are not straight, damaged edges, negligent mounting of the tiles, etc.
- A further aspect is that when mounting a ceiling comprising tiles and a grid system supporting the tiles, approximately 80 % of the time for mounting the complete ceiling is for mounting the grid system and cutting the perimeter tiles, and only 20 % of the time is for mounting the central tiles. Thus, mounting the grid is a time-consuming task. Further, even small mistakes or inaccuracies in the mounting of the grid become highly visible when mounting the tiles and it results in a less aesthetic impression of the ceiling.
- Not only mistakes originating from the mounting of the ceiling affect the visual impression of the ceiling, also small imperfections of the room or building structure may become highly visible. For example, walls, or other surfaces, are seldom completely planar. A commonly used L-profile for supporting the tiles along the wall will follow the irregularities of the wall and thereby becomes twisted. As a result, the surface of the profile adapted to support the tiles will not be parallel to the flooring/ceiling structure. Along portions where the profile is twisted (i.e. where the supporting surface of the profile is sloping towards the floor or towards the flooring/ceiling structure), the tiles are not completely abutting the supporting surface. Consequently, a gap is formed between the supporting surface of the profile and the tile along the twisted portion or along neighbouring portions. In such a gap, a shadow is formed, the shadow being visible from the room and creating an impression of the ceiling being wobbling or wave formed.
- In order to diminish the visual effects associated with walls, or other surfaces, not being planar, shadow-line trims have been used to create small gaps between the wall and the tiles. The bigger the gap, the less the wall needs to be planar. With this solution, the tiles are arranged at a distance from the wall. As the tiles arranged adjacent the wall nearly always have to be cut, and thereby having a cut edge facing the wall, the cut edge has to be provided with a trimming or sealing if it is visible from the room. Nevertheless, if the profile is fastened to a wall not being planar, the profile, and consequently the tiles, will not be straight. Using shadow line trimming tries to hide this imperfection visually. Further, this solution does not solve the problem associated with twisted profiles.
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FR 2 740 800 -
CH 501 800 - Ceiling tiles of mineral wool to be arranged in a suspended ceiling are known in the prior art, for example as mentioned in the background description of
FR 2 581 680 - However, in the prior art solutions, the profile follows the irregularities of the wall, thus resulting in twisting of the profile.
- Even if the previous discussion has been focused on walls being irregular or non-planar, similar problems apply to ceilings, or any other surface of a building. The previous discussion has been focused on ceiling tiles, but similar problems apply to other types of tiles.
- It is an object of the present invention to provide a suspended ceiling comprising a profile adapted to be fastened along a surface, which profile remains straight after having been fastened to the surface even if the surface is irregular or wave-formed.
- This and other objects and advantages that will be apparent from the description have been achieved by a suspended ceiling comprising a profile, the profile forming part of a grid supporting said suspended ceiling and extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface, wherein the profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to said surface, wherein each of said at least two attachments portions is resilient in a direction being adapted to at least partly point towards said surface for accommodating to any irregularities of said surface. The suspended ceiling further comprises at least one ceiling tile made of compressed fibre material, such as mineral wool, wherein the profile supports said at least one ceiling tile. Each of said at least two attachments portions is resilient in relation to the rest of profile such that the profile remains straight when being fastened to the surface.
- The profile may be adapted to support at least one tile and/or a secondary profile in turn being adapted to support at least one tile. The tile may be a ceiling tile, a floor tile, a wall tile or the like. The invention is especially suited for ceiling tiles, for example ceiling tiles made of compressed fibre material, such as mineral wool. The tile may, for example, be a sound absorber having sound-absorbing properties, and/or may be a sound-insulation element preventing sound from leaking from one room to another.
- An advantage of the present invention is that the profile accommodates to or adjusts to any irregularities of the surface. Even if the surface, such as a wall, is not completely planar, the profile will remain straight after being fastened to the surface and will not follow the irregularities or the wave form of the surface.
- The profile is adapted to abut the surface along its longitudinal extension. If the surface is irregular or wave-formed, the profile abuts only top portions of the surface. At some positions, a gap may be formed between the profile and the surface. If the attachment portion is positioned where such a gap is formed, the attachment portion will move towards the surface due to its resilient properties when fastening the profile by means of the fastening means being received in the attachment portion. The attachment portion is then abutting the surface but the rest of the profile will be positioned at a distance from the surface. The profile will remain straight and will not move towards the surface since the bending resistance of the profile is larger compared to the resistance of the resilient attachment portion.
- Thereby, any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tiles, and the visual impression of the profile is improved.
- Since a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile. In contrast to a gap formed between the profile and the tile, a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- When the profile remains straight, any tiles supported by the profile forms an edge being straight adjacent the profile. The edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- When the profile does not follow any irregularities of the surface, and when the profile forms a plane support for tiles and/or a secondary profile, the profile visually hides the imperfections of the surface, and thereby improves the visual impression.
- Additionally, the present inventions reduces the mechanical strain of the profile when attached to the surface and thereby reduces the risk of the profile being twisted due to releasing of stress originating from the forming of the profile.
- Another advantage is that when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line. When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
- The profile is provided with one or more abutment areas having an extension or being located along a second direction being orthogonal to the longitudinal direction. The abutment areas are adapted to abut the surface to which the profile is to be fastened and thereby prevent the profile from tilting about the longitudinal axis. The attachment portions allow movement at least partly in a third direction orthogonal to the longitudinal direction and to said second direction, i.e. towards the surface to which the profile is adapted to be fastened. If the profile is arranged with the longitudinal direction arranged horizontally, the second direction will be vertical and the third direction will be horizontal. If the profile is arranged with the longitudinal direction arranged vertical, the second direction will be horizontal and the third direction will be horizontal. If the profile is arranged with the longitudinal direction inclined, the second direction will be inclined and the third direction will be horizontal.
- The profile may support at least one secondary profile.
- Each of said at least two attachment portions may be formed as locally weakened portions of the profile. Due to the weakened portions, the bending resistance of the attachments portions is reduced compared to the rest of the profile. Thereby, the attachment portions become flexible and resilient in relation to the rest of the profile, and adapts to the irregularities of the wall while the profile remains straight.
- Each of said at least two attachment portions may be weakened by being provided with at least one cut. The portion being cut reduces the strength of the attachment portion compared to the rest of the profile. Thereby, a resilient attachment portion is obtained. The cut may be formed by for example punching or cutting, which is a simple and cost-efficient production method. Alternatively, the cut may e.g. be obtained by laser-cutting or by water-cutting.
- Said at least two attachment portions may comprise a tongue formed from the profile by a portion of the profile being cut. By cutting a U-shaped cut of the profile, a tongue is formed which is connected to the rest of the profile on only one side. Thereby, the tongue is moveable and resilient in view of the portion of the tongue being connected to the rest of the profile.
- The tongue may comprises a hole adapted to receive the fastening means. Thereby, a conventional fastening means may be inserted through the tongue-shaped attachment portion.
- Said at least two attachment portions may be formed of a plurality of tongues together defining an opening through which the fastening means is adapted to extend.
- Said at least two attachment portions may be formed of a plurality of symmetrically arranged cuts. Thereby, when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- Said at least two attachment portions may be formed of a symmetrical cut. Thereby, when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- The profile may comprise at least one reinforcement arranged adjacent said at least two attachment portions. The reinforcement increases the bending resistance of the profile such that the profile remains straight even when a force is applied to the attachment portions. Preferably the reinforcement has an extension in the longitudinal direction extending over the extension of the attachment portion in the longitudinal direction.
- The profile may comprise a web and a flange, the web comprising said at least two attachments portions and being adapted to extend along said surface. Thereby, the profile may form a part of a grid for supporting a suspended ceiling, a wall, a floor or the like.
- The profile may be adapted to support said at least one ceiling tile by means of said flange.
- The profile may be made of sheet metal. This is a convenient way of continuously producing profiles.
- Said cut or said cuts may be formed as a cut-out or cut-outs. By removing a portion or portions of the profile, the profile is locally weakened for forming an attachment portion.
- According to a second aspect, the present invention is realised by a method for supporting a suspended ceiling is provided, comprising
providing a profile forming a part of a grid for supporting said suspended ceiling, the profile extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface, the profile comprises at least two attachment portions, each attachment portion being adapted to receive a fastening means for fastening the profile to said surface,
providing at least two fastening means,
fastening the profile to said surface by means of the fastening means engaging respective attachment portion and said surface,
supporting at least one ceiling tile made of compressed fibre material, such as mineral wool, by the profile,
wherein each of said at least two attachments portions is resilient in a direction being adapted to at least partly point towards said surface for accommodating to irregularities of said surface and is resilient in relation to the rest of profile, the resilient attachment portions accommodating to any irregularities of the surface such that the profile remains straight when being fastened to the surface. - An advantage of the inventive method is that the profile accommodates to or adjusts to any irregularities of the surface. Even if the surface, such as a wall, is not completely planar, the profile will remain straight after being fastened to the surface and will not follow the irregularities or the wave form of the surface.
- When fastening the profile to the surface, the profile is adapted to abut the surface along its extension. If the surface is irregular or wave-formed, the profile only abuts top portions of the surface. At some positions, a gap may be formed between the profile and the surface. If the attachment portion is positioned where such a gap is formed, the attachment portion will move towards the surface due to its resilient properties when fastening the profile by means of the fastening means being received in the attachment portion. The attachment portion is then abutting the surface but the rest of the profile will be positioned at a distance from the surface. The profile will remain straight and will not move towards the surface since the bending resistance of the profile is larger compared to the resistance of the resilient attachment portion.
- Thereby, any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tile, and the visual impression of the profile is improved.
- Since a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile. In contrast to a gap formed between the profile and the tile, a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- When the profile remains straight, any tiles supported by the profile forms an edge being straight adjacent the profile. The edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- When the profile does not follow any irregularities of the surface, and when the profile forms a plane support for tiles and/or a secondary profile, the profile visually hides the imperfections of the surface, and thereby improves the visual impression.
- Additionally, the present inventions reduces the mechanical strain of the profile when attached to the surface and thereby reduces the risk of the profile being twisted due to releasing of stress originating from the forming of the profile.
- Another advantage is that when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line. When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
- The present invention will by way of example be described in more detail with reference to the appended schematic drawings, which show an embodiment of the present invention.
-
Fig 1a schematically illustrates a perspective view of a profile according to a first embodiment. -
Fig 1b schematically illustrates a front view of the profile infig 1 a extending along a surface. -
Fig 1c schematically illustrates a cross-section of the profile infigs 1a and 1 b. -
Fig 2a schematically illustrates a perspective view of an attachment portion in more detail according to said first embodiment. -
Fig 2b schematically illustrates a front view of the attachment portion infig 2a . -
Fig 3a schematically illustrates the profile of said first embodiment being fastened to an irregular surface as seen from above. -
Fig 3b schematically illustrates a portion of the profile infig 3a shown in more detail. -
Fig 4a-g schematically illustrates alternative embodiments of the attachment portion. -
Fig 5a schematically illustrates a perspective view of a profile according to a second embodiment. -
Fig 5b schematically illustrates a cross-section of the profile infig 5a . - With reference to
figs 1a-c ,2a-b and3a-b , aprofile 1 of a first embodiment will be described. Theprofile 1 extends in a longitudinal direction. Theprofile 1 is adapted to extend along asurface 5, such as a wall. Theprofile 1 is adapted to be fastened to thesurface 5. Theprofile 1 comprises in this first embodiment aweb 2 and aflange 3. Theweb 2 is adapted to extend along thesurface 5. Theweb 2 extends in a vertical direction and theflange 3 extends in a horizontal direction as seen in the cross-section of theprofile 1 shown infig 1 b. - The
profile 1 may be made of sheet metal, plastic, aluminium, or any other suitable material. - The
profile 1 is adapted to support at least one tile and/or support a secondary profile in turn being adapted to support at least one tile. The tile may be ceiling tile, a floor tile, a wall tile or the like. - The
web 2 comprises at least twoattachment portions 10. Theattachment portions 10 are adapted to receive a fastening means of any conventional type, such as ascrew 16 as shown infig 3a-b ,for fastening theprofile 1 to thesurface 5. Theattachment portion 10 is formed as a locally weakened portion of theprofile 1. Theattachment portions 10 may be equidistantly arranged along theprofile 1 in its longitudinal direction. - The
attachment portion 10 comprises in this embodiment atongue 11 having ahole 13 for receiving the fastening means, which is shown in more detail infigs 2a and 2b . Thetongue 11 is formed by a portion of theweb 2 being removed, for example by punching, or by cutting a portion of theweb 2. The removed portion is in form of a U-shaped cut-out 12. As theattachment portion 10 only is connected to theprofile 1 on one side, theattachment portion 10 is resilient in view of the rest of theprofile 1. When a force is applied in on theattachment portion 10 in a direction transverse to the longitudinal direction and pointing towards thesurface 5, theattachment portion 10 is resiliently moveable towards thesurface 5. - The
profile 1 will now be described when it is fastened to thesurface 5 as shown infigs 3a and3b . Theprofile 1 is extending along thesurface 5 in the longitudinal direction. Theprofile 1 is fastened to thesurface 5 by means of the fastening means 16. Since thesurface 5 is irregular and wave-shaped, only portions of theprofile 1 are abutting thesurface 5. At some positions, a gap is formed between theprofile 1 and thesurface 5. As theattachment portions 10 are arranged along, preferably equidistantly along, the longitudinal extension of theprofile 1, some of theattachment portions 10 may be positioned where a gap is formed between theprofile 1 and thesurface 5, which is shown infig 3a and in more detail infig 3b . - When fastening the
profile 1 to thesurface 5, the resilient properties of theattachment portions 10 will adjust to or accommodate the irregularities of thesurface 5. When fastening the fastening means 16, theattachment portion 10 will move, due to its resilient properties, towards thesurface 5 until theattachment portion 10 is abutting thesurface 5. If no gap is formed between theprofile 1 and thesurface 5, theattachment portion 10 will remain in the plane of theweb 2 as seen infigs 3a and3b . - Due to the bending resistance of the
profile 1 in its longitudinal direction is larger than the resistance of the weakenedattachment portions 10, theprofile 1 will remain straight even if thesurface 5 is irregular or wave-formed. No twisting of theprofile 1 will occur. However, theattachment portions 10 will adapt to the irregularities of thesurface 5 by being resilient in the direction being transverse to the longitudinal direction and pointing towards thesurface 5. - The weakened portion of the attachment portion may be obtained in many different ways. Other embodiments of the
attachment portion 10 are shown infigs 4a-4g . Infig 4a , theattachment portion 110 comprises atongue 111 formed by a U-shaped cut-out 112 and ahole 113 for receiving a fastening means as previously described. In contrast to the previously described embodiment, thetongue 111 is connected to a portion of the web 102 adjacent the flange. In the previously described embodiment and in the embodiment shown infig 4a , theattachment portion 110 will move about the portion being connected to theprofile 1. - In
fig 4b , theattachment portion 210 comprises ahole 213 for receiving the fastening means and four cut-outs 212a-212d symmetrically arranged about thehole 213. Since the cut-outs 212a-12d are symmetrically arranged, theattachment portion 210 will move in a direction being transverse to the longitudinal direction and towards thesurface 5 when fastening the fastening means if a gap is formed between theprofile 1 and thesurface 5. The central portion will be imposed a pure transverse translational movement since the bending of the remaining material between the cut-outs will in all directions occur in the same manner at opposing sides of thehole 213. - In
fig 4c , theattachment portion 310 comprises fourtongues 311a-d. The tongues 311 a-d are formed by a portion of theweb 2 being removed. The removed portion is formed as a symmetrically formed cut-out 312 being formed of fourportions 312a-d. Acentre portion 313 of the cut-out 312 forms a hole adapted to receive the fastening means. Since the cut-out 312 is symmetric, theattachment portion 310 will move in a direction being transverse to the longitudinal direction and towards thesurface 5 when fastening the fastening means if a gap is formed between theprofile 1 and thesurface 5. -
Fig 4d discloses anattachment portion 410 comprising a cut-out 412. The cut-out 412 has a shape as a horizontally laid H.A centre portion 413 of theattachment portion 410 is adapted to receive a fastening means. Since the cut-out 412 is symmetric, the attachment portion 140 will move in a direction being transverse to the longitudinal direction and towards thesurface 5 when fastening the fastening means, if a gap is formed between theprofile 1 and thesurface 5. As an alternative to a horizontally laid H, a vertically standing H is also possible. -
Fig 4e shows anattachment portion 510 comprising fourcut outs 512a-12d and ahole 513, which is adapted to receive a fastening means and is arranged in the centre of theattachment portion 510. The four cut-outs 12a-d are symmetrically arranged about thehole 513. Since the cut-outs 512a-d are symmetrically arranged, the attachment portion 50 will move in a direction being transverse to the longitudinal direction and towards thesurface 5 when fastening the fastening means if a gap is formed between theprofile 1 and thesurface 5. -
Fig 4f discloses anattachment portion 610 comprising a cut-out 612. The shape of the cut-out 612 is similar as the cut-out in the embodiment shown infig 4d , i.e. the cut-out 612 has a shape as a horizontally laid H. Thecentre portion 613 of the cut-out 612 is adapted to receive a fastening means. Adjacent theattachment portion 610, tworeinforcements reinforcements profile 1 adjacent theattachment portion 610 such that theprofile 1 will remain straight when a force is applied on theattachment portion 610. Infig 4f , thereinforcements - All the disclosed embodiments of the attachment portion have in common that they are weakened compared to the rest of the
profile 1 for forming a resilient portion. Therefore, when applying a force on theattachment portion 10, theattachment portion 10 will resiliently move towards thesurface 5. Theprofile 1 will remain straight since the bending resistance is larger compared to the resistance of theattachment portions 10. - In the previously described embodiment, the
profile 1 has been an L-profile. However, the present invention is not restricted to an L-profile. The profile may have any shape. Infigs 5a and 5a , a U-shaped profile 1' is shown. The profile 1' in this embodiment comprises afirst web 2, aflange 3 and asecond web 4. In the embodiment infigs 5a and 5b , the first andsecond web flange 3 is extending in a horizontal direction. Thefirst web 2 comprises at least twoattachment portions 10. In the embodiment shown infig 5a , theattachment portion 10 comprises atongue 11 having ahole 13 for receiving a fastening means. Thetongue 11 is formed by a U-shaped portion of the profile 1' being removed, for example by punching. - It is contemplated that there are numerous modifications of the embodiments described herein, which are still within the scope of the invention as defined by the appended claims.
- For example, it is contemplated that a single profile may comprise different types of attachments portions. Different types of the attachment portions may be specially adapted to suit different surface properties. In the embodiment shown in for example
fig 1a , the profile comprises only one type of attachment portions being formed of a tongue. As an alternative, the profile may comprise different types of attachments portions arranged along the longitudinal direction of the profile such that a specific design of the attachment portion may be used depending on the properties of the surface. - Further, the type of attachment portion may also be adjusted to suit different shapes, sizes and type of fastening means.
- It is also contemplated that any of the different attachment portions may be used on any kind of profile, including not only the L- and U-profiles disclosed. The design of the attachment portions are especially suitable for any kind profile comprising a web adapted to extend along the surface to which the profile is adapted to be fastened.
- Item 1: A profile (1; 1') extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface (5),
the profile (1; 1') comprises at least two attachment portions (10; 110; 210; 310; 410; 510; 610), each attachment portion (10; 110; 210; 310; 410; 510; 610) being adapted to receive a fastening means (16) for fastening the profile (1; 1') to said surface (5),
wherein each of said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) is resilient in a direction being adapted to at least partly point towards said surface (5) for accommodating to any irregularities of said surface (5). - The profile may be adapted to support at least one tile and/or a secondary profile in turn being adapted to support at least one tile. The tile may be a ceiling tile, a floor tile, a wall tile or the like. The invention is especially suited for ceiling tiles, for example ceiling tiles made of compressed fibre material, such as mineral wool. The tile may, for example, be a sound absorber having sound-absorbing properties, and/or may be a sound-insulation element preventing sound from leaking from one room to another.
- An advantage of the present invention is that the profile accommodates to or adjusts to any irregularities of the surface. Even if the surface, such as a wall, is not completely planar, the profile will remain straight after being fastened to the surface and will not follow the irregularities or the wave form of the surface.
- The profile is adapted to abut the surface along its longitudinal extension. If the surface is irregular or wave-formed, the profile abuts only top portions of the surface. At some positions, a gap may be formed between the profile and the surface. If the attachment portion is positioned where such a gap is formed, the attachment portion will move towards the surface due to its resilient properties when fastening the profile by means of the fastening means being received in the attachment portion. The attachment portion is then abutting the surface but the rest of the profile will be positioned at a distance from the surface. The profile will remain straight and will not move towards the surface since the bending resistance of the profile is larger compared to the resistance of the resilient attachment portion.
- Thereby, any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tiles, and the visual impression of the profile is improved.
- Since a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile. In contrast to a gap formed between the profile and the tile, a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- When the profile remains straight, any tiles supported by the profile forms an edge being straight adjacent the profile. The edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- When the profile does not follow any irregularities of the surface, and when the profile forms a plane support for tiles and/or a secondary profile, the profile visually hides the imperfections of the surface, and thereby improves the visual impression.
- Additionally, the present inventions reduces the mechanical strain of the profile when attached to the surface and thereby reduces the risk of the profile being twisted due to releasing of stress originating from the forming of the profile.
- Another advantage is that when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line. When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
- The profile is provided with one or more abutment areas having an extension or being located along a second direction being orthogonal to the longitudinal direction. The abutment areas are adapted to abut the surface to which the profile is to be fastened and thereby prevent the profile from tilting about the longitudinal axis. The attachment portions allow movement at least partly in a third direction orthogonal to the longitudinal direction and to said second direction, i.e. towards the surface to which the profile is adapted to be fastened. If the profile is arranged with the longitudinal direction arranged horizontally, the second direction will be vertical and the third direction will be horizontal. If the profile is arranged with the longitudinal direction arranged vertical, the second direction will be horizontal and the third direction will be horizontal. If the profile is arranged with the longitudinal direction inclined, the second direction will be inclined and the third direction will be horizontal.
- Item 2: A profile (1; 1') according to
item 1, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is formed as locally weakened portions of the profile (1, 1'). Due to the weakened portions, the bending resistance of the attachments portions is reduced compared to the rest of the profile. Thereby, the attachment portions become flexible and resilient in relation to the rest of the profile, and adapts to the irregularities of the wall while the profile remains straight. - Item 3: A profile (1; 1') according to
item 1 oritem 2, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is weakened by being provided with at least one cut. The portion being cut reduces the strength of the attachment portion compared to the rest of the profile. Thereby, a resilient attachment portion is obtained. The cut may be formed by for example punching or cutting, which is a simple and cost-efficient production method. Alternatively, the cut may e.g. be obtained by laser-cutting or by water-cutting. - Item 4: A profile (1; 1') according to any one of items 1-3, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) comprise a tongue (11; 111) formed from the profile (1, 1') by a portion of the profile (1, 1') being cut. By cutting a U-shaped cut of the profile, a tongue is formed which is connected to the rest of the profile on only one side. Thereby, the tongue is moveable and resilient in view of the portion of the tongue being connected to the rest of the profile.
- Item 5: A profile (1, 1') according to
item 4, wherein the tongue (11; 111) comprises a hole (13; 113; 213; 313; 413; 513; 613) adapted to receive the fastening means. Thereby, a conventional fastening means may be inserted through the tongue-shaped attachment portion. - Item 6: A profile (1, 1') according to any one of items 1-5, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of tongues (311a-d) together defining an opening through which the fastening means is adapted to extend.
- Item 7: A profile (1; 1') according to any one of items 1-6, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of symmetrically arranged cuts (212a-d; 512a-d). Thereby, when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- Item 8: A profile (1, 1') according to any one of items 1-6, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a symmetrical cut (312; 412; 612). Thereby, when applying a force on the attachment portion in a transverse direction pointing towards the surface, the attachment portion will be displaced in an essentially pure translational movement without any significant distortion or skewing.
- Item 9: A profile (1; 1') according to any one of items 1-8, further comprising at least one reinforcement (614, 615) arranged adjacent said at least two attachment portions (10; 110; 210; 310; 410; 510; 610). The reinforcement increases the bending resistance of the profile such that the profile remains straight even when a force is applied to the attachment portions. Preferably the reinforcement has an extension in the longitudinal direction extending over the extension of the attachment portion in the longitudinal direction.
- Item 10: A profile (1; 1') according to any one of items 1-9, wherein the profile (1, 1') comprises a web (2) and a flange (3), the web (2) comprising said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) and being adapted to extend along said surface (5). Thereby, the profile may form a part of a grid for supporting a suspended ceiling, a wall, a floor or the like.
- Item 11: A profile (1; 1') according to
item 10, wherein the flange (3) is adapted to support at least one tile and/or at least one secondary profile. - Item 12: A profile (1, 1') according to any one of items 1-11, wherein the profile (1, 1') is made of sheet metal. This is a convenient way of continuously producing profiles.
- Item 13: A profile (1; 1') according to any one of items 1-12, wherein said cut or said cuts are formed as a cut-out or cut-outs. By removing a portion or portions of the profile, the profile is locally weakened for forming an attachment portion.
- Item 14: A method for fastening a profile (1, 1') to a surface (5), comprising
providing a profile (1, 1') extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface (5), the profile (1, 1') comprises at least two attachment portions (10; 110; 210; 310; 410; 510; 610), each attachment portion (10; 110; 210; 310; 410; 510; 610) being adapted to receive a fastening means (16) for fastening the profile to said surface (5), wherein each of said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) is resilient in a direction being adapted to at least partly point towards said surface (5) for accommodating to irregularities of said surface (5),
providing at least two fastening means (16),
fastening the profile (1, 1') to said surface (5) by means of the fastening means (16) engaging respective attachment portion (10; 110; 210; 310; 410; 510; 610) and said surface (5), the resilient attachment portions (10; 110; 210; 310; 410; 510; 610) accommodating to any irregularities of the surface (5). - An advantage of the inventive method is that the profile accommodates to or adjusts to any irregularities of the surface. Even if the surface, such as a wall, is not completely planar, the profile will remain straight after being fastened to the surface and will not follow the irregularities or the wave form of the surface.
- When fastening the profile to the surface, the profile is adapted to abut the surface along its extension. If the surface is irregular or wave-formed, the profile only abuts top portions of the surface. At some positions, a gap may be formed between the profile and the surface. If the attachment portion is positioned where such a gap is formed, the attachment portion will move towards the surface due to its resilient properties when fastening the profile by means of the fastening means being received in the attachment portion. The attachment portion is then abutting the surface but the rest of the profile will be positioned at a distance from the surface. The profile will remain straight and will not move towards the surface since the bending resistance of the profile is larger compared to the resistance of the resilient attachment portion.
- Thereby, any wobbling or twisting of the profile is reduced, since the profile remains straight even after being fastened to a surface which is irregular. Consequently, a supporting surface of the profile, such as a flange, will form a plane surface even after the profile is fastened to a surface which is irregular or wave-formed. Thereby, no gap will occur between the supporting surface of the profile and any tiles supported by the profile. Consequently, no shadows will occur between the profile and the tile, and the visual impression of the profile is improved.
- Since a gap may be formed between the profile and the surface due to the irregularities of the surface, a shadow may be formed between the surface and the profile. This shadow is less marked compared to a shadow formed between the profile and a tile. In contrast to a gap formed between the profile and the tile, a gap formed between the profile and the surface may be disposed of, for example by covering it or filling it by adding a filler material between the profile and the surface.
- When the profile remains straight, any tiles supported by the profile forms an edge being straight adjacent the profile. The edge formed by the tiles does not follow any irregularities of the surface but remains straight even if the surface is irregular, which improves the visual impression for a example a suspended ceiling supported by the profile.
- When the profile does not follow any irregularities of the surface, and when the profile forms a plane support for tiles and/or a secondary profile, the profile visually hides the imperfections of the surface, and thereby improves the visual impression.
- Additionally, the present inventions reduces the mechanical strain of the profile when attached to the surface and thereby reduces the risk of the profile being twisted due to releasing of stress originating from the forming of the profile.
- Another advantage is that when the profile is used for supporting baffle tiles, the profile accommodates any irregularities of the flooring/ceiling structures and the upper side of the baffle tiles will form a straight line. When using the inventive profile, the baffle tiles will be supported at a uniform height, since the profile remains straight even if the flooring/ceiling structure is irregular.
Claims (15)
- A suspended ceiling comprising a profile (1; 1'),
the profile (1; 1') forming part of a grid for supporting said suspended ceiling and extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface (5),
wherein the profile (1; 1') comprises at least two attachment portions (10; 110; 210; 310; 410; 510; 610), each attachment portion (10; 110; 210; 310; 410; 510; 610) being adapted to receive a fastening means (16) for fastening the profile (1; 1') to said surface (5),
characterised in that each of said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) is resilient in a direction being adapted to at least partly point towards said surface (5) for accommodating to any irregularities of said surface (5), and
wherein each of said at least two attachments portions is resilient in relation to the rest of profile (1; 1') such that the profile (1; 1') remains straight when being fastened to the surface (5),
and in that the suspended ceiling further comprises at least one ceiling tile made of compressed fibre material, such as mineral wool, wherein the profile (1; 1') supports said at least one ceiling tile. - A suspended ceiling according to claim 1, wherein the profile (1; 1') supports at least one secondary profile.
- A suspended ceiling according to claim 1 or claim 2, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is formed as locally weakened portions of the profile (1; 1').
- A suspended ceiling according to any one of claims 1-3, wherein each of said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) is weakened by being provided with at least one cut.
- A suspended ceiling according to any one of claims 1-4, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) comprise a tongue (11; 111) formed from the profile (1; 1') by a portion of the profile (1; 1') being cut.
- A suspended ceiling according to claim 5, wherein the tongue (11; 111) comprises a hole (13; 113; 213; 313; 413; 513; 613) adapted to receive the fastening means.
- A suspended ceiling according to any one of claims 1-6, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of tongues (311a-d) together defining an opening through which the fastening means is adapted to extend.
- A suspended ceiling according to any one of claims 1-7, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a plurality of symmetrically arranged cuts (212a-d; 512a-d).
- A suspended ceiling according to any one of claims 1-7, wherein said at least two attachment portions (10; 110; 210; 310; 410; 510; 610) are formed of a symmetrical cut (312; 412; 612).
- A suspended ceiling according to any one of claims 1-9, wherein the profile comprises at least one reinforcement (614, 615) arranged adjacent said at least two attachment portions (10; 110; 210; 310; 410; 510; 610).
- A suspended ceiling according to any one of claims 1-10,
wherein the profile (1, 1') comprises a web (2) and a flange (3), the web (2) comprising said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) and being adapted to extend along said surface (5). - A suspended ceiling according to claim 11, wherein the profile (1; 1') is adapted to support said at least one ceiling tile by means of said flange (3).
- A suspended ceiling according to any one of claims 1-12,
wherein the profile (1; 1') is made of sheet metal. - A suspended ceiling according to any one of claims 1-13,
wherein said cut or said cuts are formed as a cut-out or cut-outs. - A method for supporting a suspended ceiling, comprising providing a profile (1; 1') forming a part of a grid for supporting said suspended ceiling, the profile (1; 1') extending along a longitudinal direction and being adapted to extend along and to be fastened to a surface (5), the profile (1; 1') comprises at least two attachment portions (10; 110; 210; 310; 410; 510; 610), each attachment portion (10; 110; 210; 310; 410; 510; 610) being adapted to receive a fastening means (16) for fastening the profile to said surface (5), ,
providing at least two fastening means (16),
fastening the profile (1; 1') to said surface (5) by means of the fastening means (16) engaging respective attachment portion (10; 110; 210; 310; 410; 510; 610) and said surface (5),
the method being characterised by step of supporting at least one ceiling tile made of compressed fibre material, such as mineral wool, by the profile (1; 1'), and
wherein each of said at least two attachments portions (10; 110; 210; 310; 410; 510; 610) is resilient in a direction being adapted to at least partly point towards said surface (5) for accommodating to irregularities of said surface (5) and is resilient in relation to the rest of profile, the resilient attachment portions (10; 110; 210; 310; 410; 510; 610) accommodating to any irregularities of the surface (5) such that the profile (1; 1') remains straight when being fastened to the surface (5).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09179254T PL2221426T3 (en) | 2009-02-12 | 2009-02-12 | A suspended ceiling and a method for supporting a suspended ceiling |
DK09179254.9T DK2221426T3 (en) | 2009-02-12 | 2009-02-12 | Lowered ceiling and method of carrying a lowered ceiling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09152687A EP2218844B1 (en) | 2009-02-12 | 2009-02-12 | A profile and a method for fastening a profile |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09152687.1 Division | 2009-02-12 | ||
EP09152687A Division EP2218844B1 (en) | 2009-02-12 | 2009-02-12 | A profile and a method for fastening a profile |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2221426A2 EP2221426A2 (en) | 2010-08-25 |
EP2221426A3 EP2221426A3 (en) | 2010-12-15 |
EP2221426B1 true EP2221426B1 (en) | 2012-10-10 |
Family
ID=40792672
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09179254A Active EP2221426B1 (en) | 2009-02-12 | 2009-02-12 | A suspended ceiling and a method for supporting a suspended ceiling |
EP09152687A Active EP2218844B1 (en) | 2009-02-12 | 2009-02-12 | A profile and a method for fastening a profile |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09152687A Active EP2218844B1 (en) | 2009-02-12 | 2009-02-12 | A profile and a method for fastening a profile |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2221426B1 (en) |
DK (1) | DK2221426T3 (en) |
PL (1) | PL2221426T3 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964148A (en) * | 1956-03-29 | 1960-12-13 | Level Line Ceilings Inc | Wall molding for supporting ceiling tiles |
US3084401A (en) * | 1957-06-17 | 1963-04-09 | Johns Manville | Suspension system for ceiling panels |
DE6804257U (en) * | 1968-10-28 | 1969-02-06 | Metzger F | COMPONENT SET FOR FASTENING COVERINGS TO WALLS AND / OR CEILINGS |
DE7006827U (en) * | 1970-02-25 | 1973-03-01 | Albert Fritz | SKIRTING. |
FR2581680B1 (en) * | 1985-05-13 | 1990-05-25 | Profil Sa | FASTENER FOR FIXING AND LOCKING SUSPENDED CEILING PANELS WITH APPARENT FRAME |
DE9115787U1 (en) * | 1991-04-30 | 1992-02-27 | AMF-Mineralplatten GmbH Betriebs KG, 94481 Grafenau | Mineral fibre ceiling panel |
FR2740800B1 (en) | 1995-11-03 | 1998-01-23 | Az Plafonds | DEVICE FOR FIXING A FALSE CEILING INTO A CORRIDOR |
US20020152704A1 (en) * | 2001-02-15 | 2002-10-24 | Thompson Eugene W. | Ceiling panel and support system |
DK2034101T3 (en) | 2007-08-10 | 2016-02-15 | Rockwool Internat | Vægvinkelprofil |
-
2009
- 2009-02-12 EP EP09179254A patent/EP2221426B1/en active Active
- 2009-02-12 PL PL09179254T patent/PL2221426T3/en unknown
- 2009-02-12 DK DK09179254.9T patent/DK2221426T3/en active
- 2009-02-12 EP EP09152687A patent/EP2218844B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
DK2221426T3 (en) | 2013-01-02 |
EP2221426A2 (en) | 2010-08-25 |
EP2218844B1 (en) | 2013-01-23 |
EP2221426A3 (en) | 2010-12-15 |
EP2218844A1 (en) | 2010-08-18 |
PL2221426T3 (en) | 2013-05-31 |
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