EP0475486A1 - Couverture isolant acoustiquement et son procédé de fabrication - Google Patents
Couverture isolant acoustiquement et son procédé de fabrication Download PDFInfo
- Publication number
- EP0475486A1 EP0475486A1 EP91202103A EP91202103A EP0475486A1 EP 0475486 A1 EP0475486 A1 EP 0475486A1 EP 91202103 A EP91202103 A EP 91202103A EP 91202103 A EP91202103 A EP 91202103A EP 0475486 A1 EP0475486 A1 EP 0475486A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- cover
- sound
- performing step
- standing walls
- 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.)
- Withdrawn
Links
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
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
- E04B9/045—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
-
- 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
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
-
- 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
- E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels
- E04C2/405—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels composed of two or more hingedly connected parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Definitions
- the invention relates to a ceiling construction in which light fixtures are arranged.
- Such fixtures are used for example in offices and are incorporated as components in system ceilings consisting of a suspended support construction which carries ceiling panels and light fixtures.
- the office rooms are often only mutually separated by system walls which extend from the floor to the ceiling construction. Since most light fixtures are acoustically relatively transparent, an undesirable sound transmission can take place from the one room to the other via the light fixtures which are all connected to the space above the ceiling construction.
- the object of the invention is to offer provisions using which the sound transmission through the light fixtures can be reduced to inoffensive proportions.
- the invention provides for this purpose a sound-damping cover intended for placing over a light fixture arranged in a ceiling construction in order to reduce the sound transmission therethrough, which cover consists at least substantially of mineral wool and has a form such that it can rest on the ceiling construction with its bottom edge at least substantially without clearances.
- the cover can display the particular feature that it comprises four standing walls and an upper plate.
- a variant can advantageously have the feature that the shape of the cover is adapted to the shape of the light fixture.
- the invention also relates to a method for manufacturing a sound-damping cover of the said type. This method comprises the steps of:
- Figure 1 shows a plate 1 with a core 2 consisting of mineral wool, a first skin plate 3, consisting of a mineral membrane, in particular consisting of glass, and a second skin plate 4, consisting of aluminium foil, preferably glass fibre-reinforced aluminium foil.
- Figure 2 shows that by means of a milling process not drawn here but per se generally known, two pairs of parallel V-shaped grooves 5,6; 7,8 are arranged in the plate 1.
- the depth of the grooves amounts to about 95% of the total thickness of the plate 1.
- the walls of the grooves stand mutually perpendicular to each other and form angles of 45° with the main surface of the plate 1.
- the corner zones 9, 10, 11, 12 are removed from the plate 1 according to figure 2 by cutting through the grooves bounding these corner zones.
- the edge zones 13, 14, 15, 16 are then bent through 90°, all in the same direction as indicated with arrows 17.
- the form as depicted in figure 3 is hereby obtained. In this manner the edge zones 13, 14, 15, 16 form the standing walls which are joined to the upper plate 18 over the fold lines.
- Figure 4 shows a suspended ceiling construction 20 which comprises bearing means 21 for carrying a light fixture 22.
- bearing means 21 for carrying a light fixture 22.
- the very light sound insulating cover 19 is placed over the arranged light fixture 22. The arrangement of the further construction is then continued.
- Figure 5 shows a finished construction. It becomes apparent once again from this figure in which manner the sound insulating covers according to the invention make a substantial contribution to the reduction of the sound transmission between the respective light fixtures 22 and therewith the sound transfer from the one room to the other. Shown with broken lines 23 is a simple partition wall between two respective rooms 24 and 25. A distinct, undesired sound transmission could occur via the light fixtures in the respective rooms. Due to the presence of the sound insulating covers 19 over the various fixtures the transmission path via the space 26 above the ceiling construction 20 is effectively interrupted with very simple means. The improvement in the sound insulation through use of the cover according to the invention is found in practice to be very impressive.
- FIG. 6 shows a cover 27 according to the invention which rests on a ceiling construction 20 on which a layer of rockwool 28 is arranged to increase sound insulation while leaving open the light fixture 22.
- a heat discharging slit 29 between the cover 19 or 27 and a ceiling tile 30 is filled with rock wool.
- Slits 33 are arranged in the long side surfaces 31 and 32 of the cover 27 for discharging heat.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9001840A NL9001840A (nl) | 1990-08-17 | 1990-08-17 | Geluiddempende kap en werkwijze voor het vervaardigen daarvan. |
NL9001840 | 1990-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0475486A1 true EP0475486A1 (fr) | 1992-03-18 |
Family
ID=19857560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91202103A Withdrawn EP0475486A1 (fr) | 1990-08-17 | 1991-08-19 | Couverture isolant acoustiquement et son procédé de fabrication |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0475486A1 (fr) |
NL (1) | NL9001840A (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0606146A1 (fr) * | 1993-01-07 | 1994-07-13 | Hunter Douglas Industries B.V. | Système de panneaux et élément de panneau à ce but |
EP0695837A3 (fr) * | 1994-07-05 | 1997-05-02 | Schmitt Juergen | Faux plafond |
NL1006145C2 (nl) * | 1997-05-28 | 1998-12-01 | Rockwool Rockfon B V | Geluidsisolerende plaatstructuur. |
WO2003056239A1 (fr) * | 2001-12-21 | 2003-07-10 | Environmental Seals Ltd | Couvercles pour accessoires electriques |
WO2003056233A1 (fr) * | 2001-12-21 | 2003-07-10 | Environmental Seals Ltd | Couvercles pour accessoires electriques |
EP2228500A1 (fr) | 2009-03-10 | 2010-09-15 | Rockwool International A/S | Salle de bâtiment |
US8061474B2 (en) | 2003-12-22 | 2011-11-22 | Bonnie S Schnitta | Perforation acoustic muffler assembly and method of reducing noise transmission through objects |
US8827033B2 (en) * | 2003-12-22 | 2014-09-09 | Noiseout Inc. | Perforation acoustic muffler assembly and method of reducing noise transmission through objects |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1214850B (de) * | 1958-07-29 | 1966-04-21 | Nova Lux Ges | Schallschluckende Verkleidung von Raumflaechen, insbesondere Decken, ausgestattet mit Lichtquellen |
NL7014103A (fr) * | 1969-10-03 | 1971-04-06 | ||
US3615964A (en) * | 1968-09-20 | 1971-10-26 | Ind Insulations Inc | Method of forming creased fiber glass blanket |
NL7710940A (en) * | 1977-10-05 | 1979-04-09 | Ir Pieter Benjamin Hangelbroek | Composite sandwich building panel - has thick light layer stuck to thinner strong tractive layer and interconnected sealing strip |
DE2830935A1 (de) * | 1978-07-14 | 1980-01-24 | Taubert Wilhelm | Verfahren zur herstellung von bauelementen und -profilen aus ebenen platten und nach diesem verfahren hergestelltes bauelement |
US4210070A (en) * | 1978-03-06 | 1980-07-01 | Dayus Barry R | Ceiling fixture with thermal protection |
-
1990
- 1990-08-17 NL NL9001840A patent/NL9001840A/nl not_active Application Discontinuation
-
1991
- 1991-08-19 EP EP91202103A patent/EP0475486A1/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1214850B (de) * | 1958-07-29 | 1966-04-21 | Nova Lux Ges | Schallschluckende Verkleidung von Raumflaechen, insbesondere Decken, ausgestattet mit Lichtquellen |
US3615964A (en) * | 1968-09-20 | 1971-10-26 | Ind Insulations Inc | Method of forming creased fiber glass blanket |
NL7014103A (fr) * | 1969-10-03 | 1971-04-06 | ||
NL7710940A (en) * | 1977-10-05 | 1979-04-09 | Ir Pieter Benjamin Hangelbroek | Composite sandwich building panel - has thick light layer stuck to thinner strong tractive layer and interconnected sealing strip |
US4210070A (en) * | 1978-03-06 | 1980-07-01 | Dayus Barry R | Ceiling fixture with thermal protection |
DE2830935A1 (de) * | 1978-07-14 | 1980-01-24 | Taubert Wilhelm | Verfahren zur herstellung von bauelementen und -profilen aus ebenen platten und nach diesem verfahren hergestelltes bauelement |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0606146A1 (fr) * | 1993-01-07 | 1994-07-13 | Hunter Douglas Industries B.V. | Système de panneaux et élément de panneau à ce but |
EP0695837A3 (fr) * | 1994-07-05 | 1997-05-02 | Schmitt Juergen | Faux plafond |
NL1006145C2 (nl) * | 1997-05-28 | 1998-12-01 | Rockwool Rockfon B V | Geluidsisolerende plaatstructuur. |
WO2003056239A1 (fr) * | 2001-12-21 | 2003-07-10 | Environmental Seals Ltd | Couvercles pour accessoires electriques |
WO2003056233A1 (fr) * | 2001-12-21 | 2003-07-10 | Environmental Seals Ltd | Couvercles pour accessoires electriques |
US8061474B2 (en) | 2003-12-22 | 2011-11-22 | Bonnie S Schnitta | Perforation acoustic muffler assembly and method of reducing noise transmission through objects |
US8827033B2 (en) * | 2003-12-22 | 2014-09-09 | Noiseout Inc. | Perforation acoustic muffler assembly and method of reducing noise transmission through objects |
EP2228500A1 (fr) | 2009-03-10 | 2010-09-15 | Rockwool International A/S | Salle de bâtiment |
Also Published As
Publication number | Publication date |
---|---|
NL9001840A (nl) | 1992-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): BE DE DK FR GB LU NL |
|
17P | Request for examination filed |
Effective date: 19920624 |
|
17Q | First examination report despatched |
Effective date: 19930823 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20030114 |