EP0475486A1 - Schalldämmende Abdeckung und Verfahren zu ihrer Herstellung - Google Patents

Schalldämmende Abdeckung und Verfahren zu ihrer Herstellung Download PDF

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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Withdrawn
Application number
EP91202103A
Other languages
English (en)
French (fr)
Inventor
Johannes Petrus Cornelius Vroomen
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.)
Rockwool Lapinus BV
Original Assignee
Rockwool Lapinus BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rockwool Lapinus BV filed Critical Rockwool Lapinus BV
Publication of EP0475486A1 publication Critical patent/EP0475486A1/de
Withdrawn legal-status Critical Current

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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
    • E04B9/04—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)
EP91202103A 1990-08-17 1991-08-19 Schalldämmende Abdeckung und Verfahren zu ihrer Herstellung Withdrawn EP0475486A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9001840 1990-08-17
NL9001840A NL9001840A (nl) 1990-08-17 1990-08-17 Geluiddempende kap en werkwijze voor het vervaardigen daarvan.

Publications (1)

Publication Number Publication Date
EP0475486A1 true EP0475486A1 (de) 1992-03-18

Family

ID=19857560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91202103A Withdrawn EP0475486A1 (de) 1990-08-17 1991-08-19 Schalldämmende Abdeckung und Verfahren zu ihrer Herstellung

Country Status (2)

Country Link
EP (1) EP0475486A1 (de)
NL (1) NL9001840A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606146A1 (de) * 1993-01-07 1994-07-13 Hunter Douglas Industries B.V. Paneelbauweise und Paneelelement zu diesem Zweck
EP0695837A3 (de) * 1994-07-05 1997-05-02 Schmitt Juergen Unterdecke
NL1006145C2 (nl) * 1997-05-28 1998-12-01 Rockwool Rockfon B V Geluidsisolerende plaatstructuur.
WO2003056233A1 (en) * 2001-12-21 2003-07-10 Environmental Seals Ltd Covers for electrical fittings
WO2003056239A1 (en) * 2001-12-21 2003-07-10 Environmental Seals Ltd Covers for electric fittings
EP2228500A1 (de) 2009-03-10 2010-09-15 Rockwool International A/S Gebäuderaum
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)

* Cited by examiner, † Cited by third party
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 (de) * 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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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 (de) * 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606146A1 (de) * 1993-01-07 1994-07-13 Hunter Douglas Industries B.V. Paneelbauweise und Paneelelement zu diesem Zweck
EP0695837A3 (de) * 1994-07-05 1997-05-02 Schmitt Juergen Unterdecke
NL1006145C2 (nl) * 1997-05-28 1998-12-01 Rockwool Rockfon B V Geluidsisolerende plaatstructuur.
WO2003056233A1 (en) * 2001-12-21 2003-07-10 Environmental Seals Ltd Covers for electrical fittings
WO2003056239A1 (en) * 2001-12-21 2003-07-10 Environmental Seals Ltd Covers for electric fittings
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 (de) 2009-03-10 2010-09-15 Rockwool International A/S Gebäuderaum

Also Published As

Publication number Publication date
NL9001840A (nl) 1992-03-16

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