EP1718815B1 - A building element for suspended ceilings, a lighting appliance for such suspended ceilings and such a suspended ceiling - Google Patents

A building element for suspended ceilings, a lighting appliance for such suspended ceilings and such a suspended ceiling Download PDF

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Publication number
EP1718815B1
EP1718815B1 EP05711121A EP05711121A EP1718815B1 EP 1718815 B1 EP1718815 B1 EP 1718815B1 EP 05711121 A EP05711121 A EP 05711121A EP 05711121 A EP05711121 A EP 05711121A EP 1718815 B1 EP1718815 B1 EP 1718815B1
Authority
EP
European Patent Office
Prior art keywords
building element
hole
ceiling
component
guide means
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.)
Not-in-force
Application number
EP05711121A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1718815A1 (en
Inventor
Juha Huhtilainen
Anna Jonason
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Ecophon AB
Original Assignee
Saint Gobain Ecophon AB
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Filing date
Publication date
Application filed by Saint Gobain Ecophon AB filed Critical Saint Gobain Ecophon AB
Publication of EP1718815A1 publication Critical patent/EP1718815A1/en
Application granted granted Critical
Publication of EP1718815B1 publication Critical patent/EP1718815B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B9/006—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
    • 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
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • 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
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/064—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising extruded supporting beams
    • 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
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/241—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges of the supporting construction

Definitions

  • the present invention relates generally to suspended ceilings and, more specifically, to a building element for such a suspended ceiling, comprising a panel element with a first surface and a second surface, in which panel element a hole is formed, which is defined by a hole wall and extended from the first to the second surface.
  • Suspended ceilings can be mounted in many different types of buildings for various reasons, such as for sound absorption, light reflection, for reducing the room height or for concealing installations such as ventilation ducts or wiring.
  • Suspended ceilings comprise panel elements and a carrier structure.
  • the carrier structure usually comprises sectional elements which are arranged in a frame-wok which defines compartments for individual panel elements or groups of panel elements.
  • the panel elements can be made of, for instance, a mineral wool material. Such a material has good sound absorption properties but does not succeed in supporting great weights. Therefore, heavy ceiling components, such as light fittings and ventilation devices, are usually attached to the carrier structure or to the frame above the suspended ceiling.
  • heavy ceiling components such as light fittings and ventilation devices, are usually attached to the carrier structure or to the frame above the suspended ceiling.
  • a light fitting can be attached to the carrier structure and extend through a hole in a panel element or occupy a complete compartment in the framework of the carrier structure to supply light to the room.
  • the light fitting is usually provided with a strip that covers the joint between the edges of the hole and the light fitting, said strip improving the aesthetical appearance and reducing the requirements as to the fit between the hole and the light fitting.
  • light-weight ceiling components are to be included in the suspended ceiling, they can be supported by a panel element. A hole is then formed in the panel element, the ceiling component extending through the hole and being carried in a suitable manner by the panel element.
  • a drawback of the above-mentioned prior-art panel element which carries a ceiling component is that high requirements are imposed as to the fit between the edges of the hole and the ceiling component to be arranged therein.
  • DE 43 18 125 discloses a hollow body for an electrical installation, consisting of an accommodation space for electrical devices.
  • the hollow body is fixed to e.g. a suspended ceiling by a combination of parts, for example by a retraining means which is introduced from the underside of the suspended ceiling or by an assembly ring arranged in the space.
  • An object of the present invention is to provide an improved building element comprising a panel element and a ceiling component which is arranged in a hole in the panel element and which is carried by the same, a suspended ceiling comprising such a building element and a lighting appliance comprising such a building element.
  • a building element having the features defined in claim 1, a lighting appliance having the features defined in claim 16, and a suspended ceiling having the features defined in claim 17.
  • Preferred embodiments of the building element are defined by subclaims 2-15 which are depended from claim 1.
  • a building element for suspended ceilings comprising a panel element with a first surface and a second surface, in which panel element a hole is formed, which is defined by la hole wall and extended from the first to the second surface.
  • the building element is characterised by a ceiling component arranged in sad hole and comprising a supporting means, which is arranged to abut against said first surface, a portion, which is arranged in said hole without making contact with the hole wall, and a guide means, which is arranged to cooperate with said hole wall to put said portion in position in relation to the hole wall to provide a predefined circumferential gap between the portion and the hole wall, the guide means being arranged between the supporting means and the portion, wherein the supporting means, the guide means and the portion of the ceiling component are integrally formed with each other.
  • a building element which results in ceiling components being capable of being carried by panel elements in a manner which reduces the requirements as to tolerances between panel element and ceiling component and which eliminates, or in any case essentially reduces, the risk that the ceiling component damages the panel element when inserting the ceiling component in said hole.
  • the guide means is arranged to cooperate with the hole wall for such putting in position of the ceiling component in the hole that a predefined gap is formed between the portion of the ceiling component and the hole wall.
  • the guide means can be adapted to cooperate with the hole wall under both interference and clearance fit.
  • the guide means cooperates with the hole wall under interference fit, the present invention allows this to take place without affecting the aesthetical appearance of the building element.
  • the reason for this is that said cooperation under interference fit will only result in a local deformation of the panel element at the upper side thereof, which thus will not be observed at the exposed underside of the panel element.
  • the tensions in the panel element which are caused by said cooperation under interference fit, can further be kept at a low level since the guide means can be made to engage the hole wall at a relatively small extent only. This results in a considerable reduction of the risk of formation of cracks in the panel element.
  • Another advantage is that the forces arising in the above cases will not be so great that they act to move the ceiling component upwards.
  • Yet another advantage is that the portion of the ceiling component is separated from the hole wall by a gap, which reduces the risk of the ceiling component damaging the panel element.
  • This gap also means that the ceiling component can be arranged in the hole in an aesthetically pleasing manner.
  • the portion of the ceiling component can be an end portion, which gives the advantage that an aesthetically attractive building element is provided, which makes relatively small demands on tolerances between the ceiling component and panel element.
  • the guide means may comprise guide surfaces which are parallel to the hole wall, which gives the advantage of a reduction of the effect of any forces between the hole wall and the guide means. This also gives the advantage that the requirement as to the fit between the hole wall and the guide means decreases further.
  • the ratio of a guide surface, extended along the longitudinal axis of the hole, of the guide means to the thickness of the panel element is less than 1:1.2, more preferably less than 1:2, and most preferably less than 1:5.
  • the guide means can be arranged to put the ceiling component in position by centring the same in the hole, which gives the advantage that the gap between the portion and the hole wall can be evenly formed in a simple manner.
  • the guide means of the ceiling component can be arranged to engage the hole wall of the panel element at certain points, which means that the guide means can be manufactured with a low consumption of material, and that the effect of the guide means on the panel element can be reduced further since the surface of the panel element which is possibly deformed is reduced.
  • the guide means of the ceiling component can be arranged for continuous engagement with the hole wall of the panel element. This means that the guide means can be designed in a simple manner, which increases the strength of the ceiling component.
  • the supporting means can be a circumferential flange, which gives the advantage that the supporting means is formed with a large abutment surface against the first surface of the panel element.
  • the large abutment surface means that the panel element can carry a relatively heavy ceiling component.
  • the supporting means, the guide means and the portion of the ceiling component can be circular.
  • the supporting means, the guide means and the portion of the ceiling component can be integrally formed with each other.
  • the ceiling component can be made of a translucent material, which gives the advantage that the ceiling component does not need any additional parts to function, for instance, as a component with a shielding function for a light fitting.
  • the portion of the ceiling component can be a grid, which gives the advantage that the ceiling components does not need any additional parts to function, for instance, as a component with a shielding function for a light fitting or as a part of a ventilation device.
  • the panel element can be made of an elastically deformable material, a sound-absorbing material or a compressed mineral fire material.
  • elastically deformable material refers to material acting to return to their initial shape after moderate deformation, such as mineral wool and expanded polymer.
  • a technique of providing aesthetical lighting in a room without any great tolerance requirements can be to design the ceiling component as a component with a shielding function for a light fitting.
  • a lighting appliance for suspended ceilings comprising a light fitting and an inventive building element, the ceiling component of the building element being a component with a shielding function for said light fitting.
  • a suspended ceiling comprising a carrier structure and panels supported by the carrier structure.
  • the suspended ceiling is characterised in that at least one panel is an inventive building element.
  • Fig. 1 illustrates a prior-art building element generally designated 1 and comprising a panel component 2 with a hole and a ventilation component 3.
  • the ventilation component has a carrier flange 4 and a plug 5.
  • the carrier flange 4 rests on the panel component 2.
  • the plug 5 has a shape and extent which are complementary to the shape and extent of the hole. If the plug 5 has a slightly greater extent than the extent of the hole, tensions will arise in the panel component 2, which cause the entire panel component 2, or large parts thereof, to be deformed. The deformation of the panel component 2 may cause it to break, which in turn makes it necessary to exchange the panel component 2. An elastic deformation of the panel component 2 may also generate forces between the plug 5 and the edges of the hole, acting to move the plug 5 upwards and out of the hole.
  • Fig. 2 illustrates a building element according to an embodiment of the invention generally designated le comprising a panel element 6 and a ceiling component 7.
  • the panel element 6 consists of an elastically deformable material, such as a compressed mineral wool material.
  • the extent of the panel element 6 may vary and corresponds to the shape of the framework shown in Fig. 5 , which is adapted to support a suspended ceiling.
  • a hole 8 is formed in the panel element 6 and defined by a hole wall 9.
  • the panel element 6 has a first surface 24 which is directed towards the frame 22 of a room, shown in Fig. 5 , and a second surface 25 which is directed so as to be exposed to the room (not shown).
  • the ceiling component 7 is arranged in the hole 8 of the panel element 6 and comprises a supporting means 10, a guide means 11 and a portion 12.
  • the ceiling component 7 rests by the supporting means 10 on the panel element 6 which thus carries the ceiling component 7.
  • the guide means 11 cooperates with the hole wall 9 and puts the ceiling component 7 in position in the hole 8 without the visible parts of the panel element 6 being deformed or such forces being generated that act to move the ceiling component 7 upwards.
  • the portion 12 has such a shape that it can be received in the hole 8 without making contact with the hole wall 9 thereof.
  • the putting in position and the shape: of the portion 12 cause a predefined gap 13 to be formed between the hole wall 9 and the portion 12.
  • the gap 13 gives the advantage that the engagement of the ceiling component 7 with the hole wall 9 can be limited to the cooperation or the guide means 11 with said hole wall 9. It has also been found that a gap 13, with a controlled appearance, between the portion 12 and the hole wall 9 gives an aesthetic advantage since a person looking at a suspended ceiling as shown in Fig. 5 perceives the portion 12 of the ceiling component 7 as an integral part of the suspended coiling.
  • the supporting means 10 is designed as a flange 10 resting on the panel element 6. It will, however, be appreciated that the supporting means 10 can be designed in various ways causing the ceiling component 7 to be supported by the supporting means 10; for instance the supporting means 10 can consist of a number of projecting parts.
  • the guide means 11 can be arranged to cooperate with the hole wall 9 of the hole 8 under both interference and clearance fit.
  • the guide means 11. cooperates with the hole wall 9 under clearance fit, it will be ensured that the clearance allows a gap 13 to be formed between the portion 12 and the hole wall 9 which is allowed to vary within a predetermined range.
  • the guide means 11 cooperates with the hole wall 9 under interference fit, it will be ensured that the guide means 11 has a guiding surface 14 extended along the longitudinal axis of the hole 8, at a ratio of the thickness of the panel element 6 below 1:1.2, more preferably below 1:2 and most preferably below 1:5. This makes it possible to ensure that the tensions arising in the panel element 6 can be kept at such a low level that the tensions do not act to press The ceiling component 7 upwards or the hole 8.
  • the guide means 11 may have a shape and extent essentially corresponding to the Shape and extent of the hole wall 9, which is illustrated in Figs 2 and 3 , which means that the ceiling component 7 can be put in the desired position in the hole 8 without having a detrimental effect on the panel element 6.
  • the guide means 11 is located between the supporting means 10 and the portion 12, which means that the guide means 11 will not contact the underside of the panel element 6. The position thus means that also if a local deformation of the panel element 6 arise, the surface of the panel element 6 which is directed towards the area in which the suspended ceiling is mounted will not be damaged.
  • the guide means 11 in Figs 2-4 have a guide surface 14 which is parallel to the surface of the hole wall 9.
  • the orientation of the guide surface 14 results in a reduction of the effect of any forces arising between the guide means 11 and the hole wall 9. If forces should arise between the guide means 11 and the hole wall 9, a local deformation, of the panel element 6 will occur.
  • FIG. 1 An embodiment of the guide means 11 is shown in Figs 2 and 3 and consists or a shoulder 15 extending around the ceiling component 7.
  • Fig. 4 illustrates a second embodiment of a guide means 11.
  • the guide means 11 consists of lugs 16.
  • the lugs 16 are deigned so as to cooperate with the hole wall 9 and put the ceiling component 7 in position in the hole 8. It will be appreciated that the design of the guide means 11 should not be limited to the embodiments illustrated, and it can be designed in various way, for instance be wave-shaped.
  • the portion 12 shown in Fig. 2 has a shape which is complementary to the shape of the hole 8 but an extent which is smaller than the extent of the hole 8 , i.e. the portion 12 can be arranged in the hole 8 without making contact with the hole wall 9 thereof.
  • the portion 12 is the part of the ceiling component 7 which is most visible from the underside of a suspended ceiling. It will be appreciated that the shape of the portion 12 may be varied freely, but that the extent should not exceed the extent of the hole 8; for example, the portion 12 may consist of an end portion 17 of the ceiling component 7.
  • the gap 13 formed between the portion 12 and the hole wall 9 is predefined by the guide means 11 putting the ceiling component 7 in position in the hole of the panel element 6 and, thus, also the portion 12 of the ceiling component 7 in the hole 8.
  • the guide means 11 can be arranged to centre the portion 12 in the hole so that an even gap 13 is formed between the portion 12 and the hole wall 9, but can also put the portion 12 in position in other ways so that a predefined desired shape of the gap 13 is obtained.
  • Fig. 5 shows an embodiment of an inventive suspended ceiling 18 comprising a framework 19 and a lighting appliance 20.
  • the lighting appliance 20 comprises a light fitting 21 in a building element 1 according to the invention.
  • the ceiling component 7 is a component 23 with a shielding function for the light fitting 21.
  • the light fitting 21 is attached to the framework 19 and supplies light to a room (not shown) via the component 23 with the shielding function.
  • the advantages of such a lighting appliance 20 is that lighting can be provided in a simple, reliably, aesthetic and flexibly manner.
  • the positioning of the lighting appliance 20 in the room is not dependent on the framework 19 to the same extent as in the case when a lighting appliance must be attached to a frame 22 or the framework 19.
  • the end portion 17 of the component 23 with a shielding function is concave, which means that a person looking at the end portion 17 of the component 23 perceives it as flat.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Finishing Walls (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP05711121A 2004-02-27 2005-02-25 A building element for suspended ceilings, a lighting appliance for such suspended ceilings and such a suspended ceiling Not-in-force EP1718815B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0400495A SE526426C2 (sv) 2004-02-27 2004-02-27 Byggelement för undertak, belysningsanordning för sådant undertak samt ett sådant undertak
PCT/SE2005/000261 WO2005083192A1 (en) 2004-02-27 2005-02-25 A building element for suspended ceilings, a lighting appliance for such suspended ceilings and such a suspended ceiling

Publications (2)

Publication Number Publication Date
EP1718815A1 EP1718815A1 (en) 2006-11-08
EP1718815B1 true EP1718815B1 (en) 2011-02-09

Family

ID=32067275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05711121A Not-in-force EP1718815B1 (en) 2004-02-27 2005-02-25 A building element for suspended ceilings, a lighting appliance for such suspended ceilings and such a suspended ceiling

Country Status (6)

Country Link
EP (1) EP1718815B1 (sv)
AT (1) ATE498040T1 (sv)
DE (1) DE602005026255D1 (sv)
DK (1) DK1718815T3 (sv)
SE (1) SE526426C2 (sv)
WO (1) WO2005083192A1 (sv)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4318125A1 (de) * 1993-06-01 1994-12-08 Kaiser Gmbh & Co Kg Hohlkörper für die elektrische Installation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935152A (en) * 1956-05-15 1960-05-03 Maccaferri Mario Acoustical units and installed assemblies thereof
US2845855A (en) * 1956-11-14 1958-08-05 Pyle National Co Combination light fixture and ventilating unit
US3295432A (en) * 1964-05-28 1967-01-03 Dynamics Corp America Straight line adjustable diffuser
US3315585A (en) * 1965-05-03 1967-04-25 Aircoustic Company Inc Vented panel
ATE215203T1 (de) * 1997-07-08 2002-04-15 Euro Passive Fire Prot Ltd Belüftete verschalung für elektrische beleuchtungsgeräte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4318125A1 (de) * 1993-06-01 1994-12-08 Kaiser Gmbh & Co Kg Hohlkörper für die elektrische Installation

Also Published As

Publication number Publication date
SE0400495L (sv) 2005-08-28
DE602005026255D1 (de) 2011-03-24
SE0400495D0 (sv) 2004-02-27
DK1718815T3 (da) 2011-05-09
SE526426C2 (sv) 2005-09-13
EP1718815A1 (en) 2006-11-08
ATE498040T1 (de) 2011-02-15
WO2005083192A1 (en) 2005-09-09

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