EP0602334B1 - Suspended ceiling assembly - Google Patents

Suspended ceiling assembly Download PDF

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Publication number
EP0602334B1
EP0602334B1 EP93115867A EP93115867A EP0602334B1 EP 0602334 B1 EP0602334 B1 EP 0602334B1 EP 93115867 A EP93115867 A EP 93115867A EP 93115867 A EP93115867 A EP 93115867A EP 0602334 B1 EP0602334 B1 EP 0602334B1
Authority
EP
European Patent Office
Prior art keywords
ceiling
suspension
panels
false
panel
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.)
Expired - Lifetime
Application number
EP93115867A
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German (de)
French (fr)
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EP0602334A1 (en
Inventor
Romeo Folghera
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.)
GEMA METALLDECKEN AG
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GEMA METALLDECKEN AG
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Publication of EP0602334A1 publication Critical patent/EP0602334A1/en
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Publication of EP0602334B1 publication Critical patent/EP0602334B1/en
Anticipated expiration legal-status Critical
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    • 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
    • E04B9/26—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 by means of snap action of elastically deformable elements held against the underside of the supporting construction
    • 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
    • E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors

Definitions

  • the present invention relates to a suspended ceiling construction, with square ceiling panels hinged downwardly hinged on grid-like clamping profile rails, and a retaining hinge and a suspension element therefor.
  • Such ceiling constructions are used as cladding for ceilings.
  • individual or all ceiling panels can be opened down, for example.
  • This is conventionally achieved, for example, in that a conical holding element is attached to one end of a hanging edge of a ceiling plate, which can be inserted into the clamping profile of the rails when the ceiling plate is folded down, and thus holds the ceiling plate in this state. If the ceiling plate is now to be removed, the clamping profile must be pressed apart at this point using a tool, for example a screwdriver, so that the hanging edge can be pulled out of the clamping profile with the conical holding element.
  • a tool for example a screwdriver
  • the ceiling panels can all be folded down in a row only in the same direction and the holding element protrudes from the area of the ceiling panel base area.
  • the object of the present invention was to find a simple solution for the wing-like folding down of ceiling panels by means of a hinge.
  • a preferred embodiment of the invention is characterized in that the suspension element is integrated directly into the suspension edges of the ceiling panels and does not protrude beyond the edge of the ceiling panel.
  • the suspension element can therefore be formed directly from the material of the suspension edge of the ceiling panel and lies in the plane of the suspension edge. Because the suspension element does not protrude beyond the edge of the ceiling panel, these panels can also be stored in a space-saving manner, and the suspension elements are also better protected against damage during transport.
  • a further preferred embodiment of the invention provides that the holding hinge is constructed symmetrically and has two abutments. This means that up to four suspension elements from four different panels can be hung on such a hinge.
  • the combination of the suspension elements and holding hinges according to the invention allows the simple construction of a ceiling structure, in which free openings can be realized from the surface of two ceiling panels, the risk of the ceiling panels falling out when these ceiling panels are folded down is largely excluded. Thanks to their simple construction, the retaining hinges can be easily and reliably attached to the clamping profile rails.
  • Clamp profile rails 1 are laid below a ceiling.
  • a number of ceiling panels 2 are suspended in these clamping profile rails 1.
  • Holding hinges 3 are attached to the clamping profile rails at a distance of two ceiling panels, into which the hook-shaped suspension elements of the folded-down ceiling panels 2 'can hook.
  • On a holding hinge 3, two adjacent ceiling panels can be folded down simultaneously, as can be seen in FIG. 1.
  • a large opening 4 of the ceiling formwork can thus advantageously be achieved, which in particular simplifies work in the area above the ceiling formwork. Ventilation and heating installations are often housed in this room.
  • FIG. 2 shows the side view (shortened) of a ceiling plate 2.
  • one end of the hanging edge 5 is designed such that the hook-shaped hanging element 6 is itself formed by the end region of the hanging edge 5.
  • Holding knobs 7 are conventionally formed on the hanging edge, which can be inserted into the clamping profile rail and thus hold the ceiling element in the normal, not folded down position.
  • the holding hinge 3 is shown in section, with a ceiling panel 2 being held on the left side by means of its retaining knobs in the clamping profile rail, while a folded-down ceiling panel 2 'is shown on the right side, which by means of the suspension element 6''in Holding hinge 3 is held.
  • the holding hinge 3 has at each of its two ends a web 3 'acting as an abutment. If the ceiling panel 2 is detached from the clamping profile rail, it can they do not fall down due to the design of the suspension element 6 ', since this hangs on the web 3' of the retaining hinge 3 when the ceiling panel 2 moves downwards. The ceiling plate 2 'can simply be lifted out of the holding hinge 3 without the need for tools.
  • the holding hinge 3 is of simple construction and can be simply and reliably plugged onto the clamping profile rail 1, as shown in section in FIG. 4.
  • the holding hinge 3 has stop elements 9, which come to lie against the lower edge of the clamping profile rail 1, while the resilient side parts 3 ′′ of the holding hinge 3 are shaped in accordance with the profile of the clamping profile rail 1. Also visible is the upwardly curved web 3 ', in which the suspension elements can engage.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Residential Or Office Buildings (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Hinges (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Ceiling panels (7, 8) of counter-ceiling structures exhibit hook-shaped suspension elements (7', 8') on their suspension edges. In the folded-down state the suspension element (8') engages into an abutment (3') of a retaining hinge (3) and is thus kept in this position. By simply disconnecting it, the ceiling panel (8) can be removed from said retaining hinge (3) without the aid of tools. By virtue of the configuration of the suspension elements (7', 8'), the ceiling panels can be arranged such that two neighbouring ceiling panels can be opened away from one another and thus permit a free opening, of the size of two ceiling panels, in the counter-ceiling structure. <IMAGE>

Description

Die vorliegende Erfindung betrifft eine Unterdeckenkonstruktion, mit an rasterartig verlegten Klemmprofilschienen nach unten klappbar aufgehängten viereckigen Deckenplatten, sowie ein Haltescharnier und ein Aufhängeelement hierfür.The present invention relates to a suspended ceiling construction, with square ceiling panels hinged downwardly hinged on grid-like clamping profile rails, and a retaining hinge and a suspension element therefor.

Derartige Deckenkonstruktionen werden als Sichtverkleidung von Decken verwendet. Um den Zugang zum Raum zwischen dieser Verkleidung und der eigentlichen Decke zu ermöglichen, können einzelne oder alle Deckenplatten beispielsweise nach unten aufgeklappt werden. Dies wird herkömmlicherweise beispielsweise dadurch erreicht, dass jeweils an einem Ende einer Aufhängekante einer Deckenplatte ein kegelförmiges Halteelement angebracht ist, welches beim abklappen der Deckenplatte in das Klemmprofil der Schienen eingeführt werden kann, und somit die Deckenplatte in diesem Zustand hält. Wenn nun die Deckenplatte ausgehängt werden soll, so muss mit einem Werkzeug, beispielsweise einem Schraubenzieher, das Klemmprofil an dieser Stelle auseinandergedrückt werden, damit die Aufhängekante mit dem kegelförmigen Halteelement aus dem Klemmprofil herausgezogen werden kann. Dabei besteht allerdings die Gefahr, dass die Aufhängekante der benachbarten, parallel liegenden Deckenplatte ebenfalls aus dem Klemmprofil herausfällt. Im weiteren können mit einer solchen Lösung die Deckenplatten in einer Reihe alle nur in derselben Richtung abgeklappt werden und das Halteelement ragt aus dem Bereich der Deckenplattengrundfläche heraus.Such ceiling constructions are used as cladding for ceilings. In order to allow access to the space between this cladding and the actual ceiling, individual or all ceiling panels can be opened down, for example. This is conventionally achieved, for example, in that a conical holding element is attached to one end of a hanging edge of a ceiling plate, which can be inserted into the clamping profile of the rails when the ceiling plate is folded down, and thus holds the ceiling plate in this state. If the ceiling plate is now to be removed, the clamping profile must be pressed apart at this point using a tool, for example a screwdriver, so that the hanging edge can be pulled out of the clamping profile with the conical holding element. However, there is a risk that the hanging edge of the adjacent, parallel ceiling panel will also fall out of the clamping profile. Furthermore, with such a solution, the ceiling panels can all be folded down in a row only in the same direction and the holding element protrudes from the area of the ceiling panel base area.

Eine auf diesem Prinzip aufbauende Lösung ist z.B. in DE-A-33 26 054 gezeigt, wobei die kegelförmigen Halteelemente bei abklappbaren Platten auf der Innenseite der Aufhängekanten angeordnet sind und mit auf die Schienen aufgesetzten Haltern zusammenwirken. Einerseits sind bei dieser Konstruktion angeblich wünschbare Spalte zwischen den Platten nicht vermeidbar, andererseits können die Platten ohne den Einsatz von Werkzeugen praktisch weder demontiert noch nach unten geklappt werden. Zudem ist der sichere Halt von herabgeklappten Platten hinter den federnden Halterschenkeln nicht gewährleistet.A solution based on this principle is e.g. shown in DE-A-33 26 054, the conical holding elements being arranged on foldable plates on the inside of the hanging edges and cooperating with holders placed on the rails. On the one hand, in this construction, supposedly desirable gaps between the plates cannot be avoided, on the other hand, the plates can practically neither be dismantled nor folded down without the use of tools. In addition, the secure hold of folded-down panels behind the resilient bracket legs is not guaranteed.

Die Aufgabe der vorliegenden Erfindung bestand nun darin, mittels Scharnier eine einfache Lösung für das flügelartige Herunterklappen von Deckenplatten zu finden.The object of the present invention was to find a simple solution for the wing-like folding down of ceiling panels by means of a hinge.

Diese Aufgabe wird erfindungsgemäss durch die in Anspruch 1 definierte, von DE-A-3 326 054 sich unterscheidende, Merkmalskombination gelöst.This object is achieved according to the invention by the combination of features defined in claim 1, which differs from DE-A-3 326 054.

Wenn eine Deckenplatte aus der Aufhängekante gelöst werden soll, so kann sie nicht herausfallen, da sie vom Aufhängeelement, welches in das Widerlager eingreift, gehalten wird. Gleichzeitig lässt sich die Deckenplatte ohne Werkzeuge leicht abnehmen, indem sie lediglich angehoben werden muss, um das Aufhängelement aus dem Widerlager herauszuheben, ohne dass ein Werkzeug verwendet werden muss. Eine bevorzugte Ausführungsform der Erfindung zeichnet sich dadurch aus, dass das Aufhängeelement direkt in die Aufhängekanten der Deckenplatten integriert ist und nicht über den Rand der Deckenplatte hinausragt. Das Aufhängeelement lässt sich also direkt aus dem Material der Aufhängekante der Deckenplatte bilden und liegt in der Ebene der Aufhängekante. Dadurch, dass das Aufhängeelement nicht über den Rand der Deckenplatte hervorsteht, lassen sich diese Platten auch platzsparend lagern, und die Aufhängeelemente sind auch gegen Beschädigungen beim Transport besser geschützt.If a ceiling panel is to be detached from the hanging edge, it cannot fall out since it is held by the hanging element which engages in the abutment. At the same time, the ceiling panel can be easily removed without tools, simply by lifting it to lift the suspension element out of the abutment without the use of a tool. A preferred embodiment of the invention is characterized in that the suspension element is integrated directly into the suspension edges of the ceiling panels and does not protrude beyond the edge of the ceiling panel. The suspension element can therefore be formed directly from the material of the suspension edge of the ceiling panel and lies in the plane of the suspension edge. Because the suspension element does not protrude beyond the edge of the ceiling panel, these panels can also be stored in a space-saving manner, and the suspension elements are also better protected against damage during transport.

Eine weitere bevorzugte Ausführungsform der Erfindung sieht vor, dass das Haltescharnier symmetrisch aufgebaut ist und zwei Widerlager aufweist. Damit lassen sich an einem solchen Scharnier bis zu vier Aufhängeelemente von vier verschiedenen Platten einhängen.A further preferred embodiment of the invention provides that the holding hinge is constructed symmetrically and has two abutments. This means that up to four suspension elements from four different panels can be hung on such a hinge.

Die Kombination der erfindungsgemässen Aufhängeelemente und Haltescharniere erlauben den einfachen Aufbau einer Unterdeckenkonstruktion, in welcher freie Öffnungen von der Fläche von zwei Deckenplatten realisert werden können, wobei die Gefahr des Herausfallens der Deckenplatten beim Herunterklappen dieser Dekkenplatten weitgehend ausgeschlossen wird. Durch ihren einfachen Aufbau lassen sich die Haltescharniere einfach und zuverlässig an den Klemmprofilschienen anbringen.The combination of the suspension elements and holding hinges according to the invention allows the simple construction of a ceiling structure, in which free openings can be realized from the surface of two ceiling panels, the risk of the ceiling panels falling out when these ceiling panels are folded down is largely excluded. Thanks to their simple construction, the retaining hinges can be easily and reliably attached to the clamping profile rails.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand von Zeichnungen noch näher erläutert. Es zeigen

  • Fig. 1 die Ansicht eines Ausschnittes einer erfindungsgemässen Unterdeckenkonstruktion;
  • Fig. 2 die Seitenansicht einer erfindungsgemässen Deckenplatte mit Aufhängeelement;
  • Fig. 3 den Schnitt durch ein Haltescharnier mit eingehängten Deckenplatten;
  • Fig. 4 den Querschnitt durch eine Klemmprofilschiene mit Haltescharnier.
An embodiment of the invention is explained in more detail below with reference to drawings. Show it
  • 1 shows the view of a section of a ceiling construction according to the invention;
  • Fig. 2 is a side view of a ceiling tile according to the invention with hanging element;
  • 3 shows the section through a holding hinge with suspended ceiling panels.
  • Fig. 4 shows the cross section through a clamping rail with a hinge.

Unterhalb einer Decke sind Klemmprofilschienen 1 verlegt. In diese Klemmprofilschienen 1 sind eine Anzahl von Deckenplatten 2 eingehängt. Im Abstand von zwei Deckenplatten sind an den Klemmprofilschienen Haltescharniere 3 angebracht, in welche die hakenförmigen Aufhängeelemente der heruntergeklappten Deckenplatten 2' einhaken können. An einem Haltescharnier 3 können zwei benachbarte Deckenplatten gleichzeitig heruntergeklappt sein, wie aus Fig. 1 ersichtlich. Damit kann vorteilhafterweise eine grosse Öffnung 4 der Deckenverschalung erzielt werden, was insbesondere Arbeiten im Bereich über der Deckenverschalung vereinfacht. Häufig sind in diesem Raum Lüftungs- und Heizungsinstallationen untergebracht.Clamp profile rails 1 are laid below a ceiling. A number of ceiling panels 2 are suspended in these clamping profile rails 1. Holding hinges 3 are attached to the clamping profile rails at a distance of two ceiling panels, into which the hook-shaped suspension elements of the folded-down ceiling panels 2 'can hook. On a holding hinge 3, two adjacent ceiling panels can be folded down simultaneously, as can be seen in FIG. 1. A large opening 4 of the ceiling formwork can thus advantageously be achieved, which in particular simplifies work in the area above the ceiling formwork. Ventilation and heating installations are often housed in this room.

Die Ausbildung des Aufhängeelementes ist aus Figur 2 ersichtlich, welches die Seitenansicht (verkürzt) einer Deckenplatte 2 zeigt. Das eine Ende der Aufhängekante 5 ist erfindungsgemäss derart ausgebildet, dass das hakenförmige Aufhängeelement 6 durch den Endbereich der Aufhängekante 5 selbst gebildet wird. An der Aufhängekante sind herkömmlicherweise Haltenoppen 7 ausgebildet, welche in die Klemmprofilschiene eingeschoben werden können und damit das Deckenelement in der normalen, nicht heruntergeklappten Lage halten.The design of the suspension element can be seen in FIG. 2, which shows the side view (shortened) of a ceiling plate 2. According to the invention, one end of the hanging edge 5 is designed such that the hook-shaped hanging element 6 is itself formed by the end region of the hanging edge 5. Holding knobs 7 are conventionally formed on the hanging edge, which can be inserted into the clamping profile rail and thus hold the ceiling element in the normal, not folded down position.

In Fig. 3 ist im Schnitt das Haltescharnier 3 dargestellt, wobei auf der linken Seite eine Deckenplatte 2 mittels ihrer Haltenoppen in der Klemmprofilschiene gehalten wird, während auf der rechten Seite eine heruntergeklappte Deckenplatte 2' gezeigt ist, welche mittels des Aufhängeelementes 6'' im Haltescharnier 3 gehalten ist. Das Haltescharnier 3 weist an seinen beiden Enden je einen als Widerlager wirkenden Steg 3' auf. Wenn die Deckenplatte 2 aus der Klemmprofilschiene gelöst wird, so kann sie durch die Ausgestaltung des Aufhängeelementes 6' nicht herunterfallen, da dieses bei einer Abwärtsbewegung der Deckenplatte 2 am Steg 3' des Haltescharnieres 3 einhängt. Die Deckenplatte 2' kann einfach aus dem Haltescharnier 3 herausgehoben werden, ohne dass dazu Werkzeuge notwendig wären.In Fig. 3, the holding hinge 3 is shown in section, with a ceiling panel 2 being held on the left side by means of its retaining knobs in the clamping profile rail, while a folded-down ceiling panel 2 'is shown on the right side, which by means of the suspension element 6''in Holding hinge 3 is held. The holding hinge 3 has at each of its two ends a web 3 'acting as an abutment. If the ceiling panel 2 is detached from the clamping profile rail, it can they do not fall down due to the design of the suspension element 6 ', since this hangs on the web 3' of the retaining hinge 3 when the ceiling panel 2 moves downwards. The ceiling plate 2 'can simply be lifted out of the holding hinge 3 without the need for tools.

Das Haltescharnier 3 ist einfach aufgebaut und kann einfach und zuverlässig auf die Klemmprofilschiene 1 aufgesteckt werden, wie in Fig. 4 im Schnitt dargestellt. Das Haltescharnier 3 besitzt dazu Anschlagselemente 9, welche gegen die Unterkante der Klemmprofilschiene 1 zu liegen kommen, während die federnden Seitenteile 3'' des Haltescharnieres 3 entsprechend dem Profil der Klemmprofilschiene 1 geformt sind. Ebenfalls ersichtlich ist der nach oben gebogene Steg 3', in welchen die Aufhängeelemente eingreifen können.The holding hinge 3 is of simple construction and can be simply and reliably plugged onto the clamping profile rail 1, as shown in section in FIG. 4. For this purpose, the holding hinge 3 has stop elements 9, which come to lie against the lower edge of the clamping profile rail 1, while the resilient side parts 3 ″ of the holding hinge 3 are shaped in accordance with the profile of the clamping profile rail 1. Also visible is the upwardly curved web 3 ', in which the suspension elements can engage.

Claims (4)

  1. False-ceiling structure having square ceiling panels (2) which are suspended such that they can be swung downwards on clamping profile rails (1) arranged in the manner of a grid, each panel (2) exhibiting an additional, hook-like suspension element (6) in each case at one end of the two suspension edges (5) which run along two sides of a ceiling panel (2) and, in the non-swung-down state, are retained along two parallel clamping profile rails (1), and each suspension element (6) engaging in in each case one retaining hinge (3), which is snapped onto the two parallel rails (1) from beneath and exhibits cutouts, in the direction of the rail axis, for the introduction of the suspension elements (6), located at the ends of the suspension edges (5), as well as at least one abutment (3'), transverse to the rail axis, for receiving the suspension element (6) in the swung-down state of the ceiling panel (2).
  2. False-ceiling structure according to Claim 1, characterized in that the suspension element (6) is integrated directly in the suspension edges (5) of the ceiling panels (2) and does not project beyond the border of the ceiling panel (2).
  3. False-ceiling structure according to Claim 1 or 2, characterized in that the retaining hinge (3) is of a symmetrical construction and exhibits two abutments (3').
  4. False-ceiling structure according to Claims 1 to 3, characterized in that the abutment (3') is formed by strips which are bent out of the basic body of the retaining hinge (3).
EP93115867A 1992-12-16 1993-10-01 Suspended ceiling assembly Expired - Lifetime EP0602334B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3839/92 1992-12-16
CH03839/92A CH686631A5 (en) 1992-12-16 1992-12-16 Ceiling construction.

Publications (2)

Publication Number Publication Date
EP0602334A1 EP0602334A1 (en) 1994-06-22
EP0602334B1 true EP0602334B1 (en) 1996-05-29

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ID=4264591

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Application Number Title Priority Date Filing Date
EP93115867A Expired - Lifetime EP0602334B1 (en) 1992-12-16 1993-10-01 Suspended ceiling assembly

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EP (1) EP0602334B1 (en)
AT (1) ATE138714T1 (en)
CH (1) CH686631A5 (en)
DE (1) DE59302744D1 (en)
ES (1) ES2087629T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104088429A (en) * 2013-11-23 2014-10-08 都江堰金祥装饰工程有限公司 Novel aluminum buckling plate
EP3144441B1 (en) * 2015-09-18 2020-02-19 Saint-Gobain Ecophon AB Surface forming system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1283053A (en) * 1960-03-11 1962-01-27 Suspension device for ceiling elements
FR1512496A (en) * 1962-06-20 1968-02-09 Gartenmann & Cie Sa C Suspended ceiling
FR1429049A (en) * 1964-04-01 1966-02-18 Hunter Douglas Wall, ceiling, awning, etc., or covering for these works, and clip intended for their fixing
FR2144627A1 (en) * 1971-07-05 1973-02-16 Ronchin Pierre
DE2329075C3 (en) * 1973-06-07 1983-12-01 Burgess Architectural Products Ltd., Hinckley, Leicestershire False ceiling
DE2915385C2 (en) * 1979-04-14 1981-03-19 Philipp Zieringer Gmbh & Co, 6140 Bensheim Ceiling cassette or the like. made of sheet metal
GB2120702B (en) * 1982-05-25 1985-09-04 Hunter Douglas Ind Bv Clip for wall or ceiling panel structure
DE3326054A1 (en) * 1982-12-17 1984-06-20 Holzwerke H. Wilhelmi Gmbh & Co Kg, 6335 Lahnau False ceiling
DE3517932C1 (en) * 1985-05-18 1986-06-12 DIG Deutsche Innenbau GmbH, 4330 Mülheim Coffered ceiling
DE3527731C1 (en) * 1985-08-02 1986-11-13 Durlum-Leuchten Gmbh Lichttechnische Spezialfabrik, 7860 Schopfheim Suspended ceiling

Also Published As

Publication number Publication date
ES2087629T3 (en) 1996-07-16
ATE138714T1 (en) 1996-06-15
CH686631A5 (en) 1996-05-15
DE59302744D1 (en) 1996-07-04
EP0602334A1 (en) 1994-06-22

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