WO2016114804A1 - Ceiling panel for use with concealed grid system - Google Patents

Ceiling panel for use with concealed grid system Download PDF

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Publication number
WO2016114804A1
WO2016114804A1 PCT/US2015/018242 US2015018242W WO2016114804A1 WO 2016114804 A1 WO2016114804 A1 WO 2016114804A1 US 2015018242 W US2015018242 W US 2015018242W WO 2016114804 A1 WO2016114804 A1 WO 2016114804A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
cross brace
metal panel
central planar
planar portion
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.)
Ceased
Application number
PCT/US2015/018242
Other languages
French (fr)
Inventor
Mark A. Fladeland
Michael CORPOLONGO
Brett CHRISTEON
Scott G. Jankovec
William R. WUETIG
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 AS
Original Assignee
Rockwool International AS
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 International AS filed Critical Rockwool International AS
Priority to EP15711603.9A priority Critical patent/EP3245347A1/en
Publication of WO2016114804A1 publication Critical patent/WO2016114804A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E04B9/0428—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having a closed frame around the periphery
    • 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
    • E04B9/0478—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like of the tray type
    • 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
    • E04B9/225—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like hanging at a distance below 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
    • E04B2103/00—Material constitution of slabs, sheets or the like
    • E04B2103/06—Material constitution of slabs, sheets or the like of metal
    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/026—Braces

Definitions

  • the present disclosure relates to a ceiling panel for use with a concealed grid panel and, more particularly, a concealed grid system ceiling panel configuration suitable for use in a large format grid system.
  • the panels that are secured to the suspension system by, e.g., torsion springs, so that the ceiling panels abut to hide the grid network.
  • the torsion springs support the panel at a first position spaced below the grid system, with the panels being movable to a second position with the panels being maintained in tight engagement with the lower surface of the grid network by the torsion springs.
  • the panels comprise a fibrous, acoustical-dampening material, such as mineral wool or cellulose, with the panels being mounted in a metal frame that engages the panel edges. See, e.g., US 8,683,768, US 6,971 ,210, US 5,428,930, and US
  • the present disclosure is directed to a ceiling panel for use in a concealed grid ceiling system that is made of relatively thin metal sheet, and is particularly suited for producing large format (i.e., larger than 24" x 48" nominal in at least one dimension) panels.
  • Fig. 1 is a perspective view of a ceiling panel in accordance with the present disclosure.
  • Fig. 2 is a fragmentary end view of the ceiling panel of Fig.1.
  • Fig. 3 is a top view of the ceiling panel of Fig. 1.
  • Fig. 4 is a side view of the ceiling panel of Fig. 1.
  • Fig. 5 is a fragmentary top view of the ceiling panel of Fig. 4 enlarged to show detail.
  • Fig. 6 is an exploded perspective view of a cross brace forming part of the ceiling panel of Fig. 1.
  • Fig. 7 is and exploded side view of the cross brace of Fig. 6.
  • Fig. 8 is an exploded top view of the cross brace of Fig. 6.
  • Fig. 9 is an exploded perspective view of the ceiling panel of Fig. 1.
  • Fig. 10 is an exploded perspective view of an end of a cross brace taken form Fig. 9 and enlarged to show detail.
  • Figs. 11a-d through14a-d are exploded perspective, top, side, and end views showing alternative configurations for the elongated portion of the cross brace.
  • a ceiling panel generally indicated 10, in accordance with the present disclosure.
  • the major portion of the panel 10 is formed from a metal sheet material, such as aluminum or steel alloy, having a thickness on the order of 0.40". While the panel illustrated in the drawings is rectangular in configuration, it may be of any shape having a plurality (three or more) generally rectilinear sides (e.g., triangular, pentagonal, hexagonal, etc.) without departing from the scope of the disclosure.
  • the metal sheet is converted into a ceiling panel 10 by folding the sheet along its edges to form a plurality of sides 12, each having an upwardly-extending edge configuration that define a central, substantially planar portion 14 of the panel 10.
  • the central portion 14 of the panel 10 may receive a backer board or insert (not shown) made of, e.g., an acoustically-dampening material that is supported on the upper surface of the panel 10.
  • the upwardly extending edges 12 each define a downwardly opening channel 16. More specifically, the channel 16 in the edges 12 is defined by a first, generally-upwardly extending portion 18, a second, generally-transversely or horizontally extending top portion 20 that extends inwardly from and shares a common edge 22 with the first portion 18, and a third, generally-downwardly extending portion 24 that shares a common edge 26 with the second portion 20.
  • each channel 16 has an inward bend so that the top portion 20 of the channel 16 is spaced somewhat inwardly from the outer edge of the panel 0 in order to facilitate installation of the panel.
  • the ceiling panel 10 includes at least one cross brace 28 that extends between two sides 12 of the panel 10 and includes ends 30 configured to be received in the channels.
  • the ends 30 of the cross brace 28 have a shape complementary to a cross section of the channel 16 in which it is received, and includes a slotted portion 32 that receives the third, downwardly-extending portion 24 of the channel 16.
  • the cross brace 28 comprises a rigid, central portion 40 with separately-formed attachment clips 42 that are secured thereto and which define the ends 30 of the cross brace 28 that are received in the channel 16.
  • the central portion 40 is preferably roll formed of a metallic material and, in the embodiment of Figs 1-10, has a generally inverted Tee-shaped cross section, with opposed flanges 44 at its lower end for engaging the upper surface of the ceiling panel 10 and an upwardly-extending web 46 to which the attachment clips 42 are secured.
  • the central portion 40 may comprise other cross sectional shapes without departing from the scope of the disclosure, such as a hat channel (Figs. 1 1 a-d), an L-angle (Figs. 12a-d), a C- channel (Figs. 13a-d), and a Z-channel (Figs. 14a-d), etc.
  • the attachment clips 42 are formed separately from the central rigid member 40 to facilitate assembly of the panel 10, at which time the attachment clips 42 are inserted into the channels 16 and secured to the rigid member 40.
  • the attachment clips 42 are secured to the upwardly-extending web 46 of the Tee-shaped rigid member 40 by self-drilling screws 48 received in elongated slots 50 in the attachment clips 42, the slots 50 permitting some limited adjustment of the positioning of the
  • the clip 42 may include a short leg 51 disposed generally perpendicularly to the main portion of the clip, the short leg 51 being sized to be received in a slot in the central rigid member 40 to facilitate installation of the clip.
  • the central portion 14 of the panel has a series of upstanding studs 34 secured (by. e.g., welding) thereto that are received in apertures or slots 36 in the cross braces 28 and secured thereto by nuts 38.
  • the free ends of the studs 34 could be deformed (by, e.g., bending or peening), welded to the cross brace, or glued to the cross brace with an adhesive.
  • the upper surface of the panel could be formed with protrusions that define slots that capture the edges of the flanges of the elongated member of the cross brace.
  • multiple cross braces may be employed in which at least two of the cross braces are disposed at right angles to each other.
  • one, unitary cross brace may extend from one side to an opposite side of the panel, while the cross brace oriented at a right angle thereto would comprise two elongated pieces, each having an end configured to be received in the channel, and the other end having a connector to be received in the central portion of the other cross brace, much like the stab-in connector of a cross tee that is received in a main runner of a suspension system.
  • the illustrated panel 10 is provided with a plurality of torsion springs 52 that are secured or maintained in the channel 16 of the panel 10, the legs 54 of the torsion springs 52 extending through slots or apertures 56 formed in the channel 16 so that the legs 54 may engage the grid system, as shown and described in the above-referenced patents. Pairs of spaced slots 56 are formed along the length of the channel 16, and torsion springs 52 are selectively associated therewith, as dictated by the size and weight of the panel 10.
  • Alternative means for securing the panel to the grid system may be employed, such as hook members that are secured to the suspension grid and having a J-shaped lower end that is received in the channel, without departing from the disclosure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

A metal panel configured to be supported in a suspension ceiling grid is provided comprising a metal sheet with a central planar portion and upturned edges defining a plurality of sides of the panel. The upturned edges comprise a first, generally-upwardly extending portion sharing a common edge with the central planar portion, a second, generally horizontally portion extending inwardly from and sharing a common edge with the first portion, and a third, generally downwardly extending portion sharing a common edge with the second portion, the first, second and third portions of the edges defining downwardly-opening channels. At least one cross brace is provided that extends between at least two sides of the panel, the cross brace having ends configured to be received in the channels. The central planar portion of the panel is secured to the cross brace to limit deflection of the central portion.

Description

CEILING PANEL FOR USE WITH CONCEALED GRID SYSTEM
Field of the Disclosure
The present disclosure relates to a ceiling panel for use with a concealed grid panel and, more particularly, a concealed grid system ceiling panel configuration suitable for use in a large format grid system.
Background
It is known in the context of a concealed grid ceiling system to use panels that are secured to the suspension system by, e.g., torsion springs, so that the ceiling panels abut to hide the grid network. The torsion springs support the panel at a first position spaced below the grid system, with the panels being movable to a second position with the panels being maintained in tight engagement with the lower surface of the grid network by the torsion springs. Typically, the panels comprise a fibrous, acoustical-dampening material, such as mineral wool or cellulose, with the panels being mounted in a metal frame that engages the panel edges. See, e.g., US 8,683,768, US 6,971 ,210, US 5,428,930, and US
4,438,613.
The present disclosure is directed to a ceiling panel for use in a concealed grid ceiling system that is made of relatively thin metal sheet, and is particularly suited for producing large format (i.e., larger than 24" x 48" nominal in at least one dimension) panels.
Brief Description of the Drawings
The features of the present subject matter are described in the following detailed description and shown in the attached figures, of which:
Fig. 1 is a perspective view of a ceiling panel in accordance with the present disclosure.
Fig. 2 is a fragmentary end view of the ceiling panel of Fig.1.
Fig. 3 is a top view of the ceiling panel of Fig. 1.
Fig. 4 is a side view of the ceiling panel of Fig. 1. Fig. 5 is a fragmentary top view of the ceiling panel of Fig. 4 enlarged to show detail.
Fig. 6 is an exploded perspective view of a cross brace forming part of the ceiling panel of Fig. 1.
Fig. 7 is and exploded side view of the cross brace of Fig. 6.
Fig. 8 is an exploded top view of the cross brace of Fig. 6.
Fig. 9 is an exploded perspective view of the ceiling panel of Fig. 1.
Fig. 10 is an exploded perspective view of an end of a cross brace taken form Fig. 9 and enlarged to show detail.
Figs. 11a-d through14a-d are exploded perspective, top, side, and end views showing alternative configurations for the elongated portion of the cross brace.
Detailed Description
A more detailed description of the ceiling panel in accordance with the present disclosure is set forth below. It should be understood that description below of a specific embodiment is intended to be exemplary, and not exhaustive of all possible variations or applications. Thus, the scope of the disclosure is not intended to be limiting, and should be understood to encompass variations or embodiments that would occur to persons of ordinary skill.
Turning to the figures of the drawings, there is seen a ceiling panel, generally indicated 10, in accordance with the present disclosure. The major portion of the panel 10 is formed from a metal sheet material, such as aluminum or steel alloy, having a thickness on the order of 0.40". While the panel illustrated in the drawings is rectangular in configuration, it may be of any shape having a plurality (three or more) generally rectilinear sides (e.g., triangular, pentagonal, hexagonal, etc.) without departing from the scope of the disclosure.
The metal sheet is converted into a ceiling panel 10 by folding the sheet along its edges to form a plurality of sides 12, each having an upwardly-extending edge configuration that define a central, substantially planar portion 14 of the panel 10. If desired, the central portion 14 of the panel 10 may receive a backer board or insert (not shown) made of, e.g., an acoustically-dampening material that is supported on the upper surface of the panel 10.
As best seen in Fig. 2, the upwardly extending edges 12 each define a downwardly opening channel 16. More specifically, the channel 16 in the edges 12 is defined by a first, generally-upwardly extending portion 18, a second, generally-transversely or horizontally extending top portion 20 that extends inwardly from and shares a common edge 22 with the first portion 18, and a third, generally-downwardly extending portion 24 that shares a common edge 26 with the second portion 20.
As illustrated, the first portion 18 of each channel 16 has an inward bend so that the top portion 20 of the channel 16 is spaced somewhat inwardly from the outer edge of the panel 0 in order to facilitate installation of the panel.
In keeping with one aspect of the disclosure, the ceiling panel 10 includes at least one cross brace 28 that extends between two sides 12 of the panel 10 and includes ends 30 configured to be received in the channels. In the illustrated embodiment, the ends 30 of the cross brace 28 have a shape complementary to a cross section of the channel 16 in which it is received, and includes a slotted portion 32 that receives the third, downwardly-extending portion 24 of the channel 16.
In keeping with a further aspect of the disclosure, the cross brace 28 comprises a rigid, central portion 40 with separately-formed attachment clips 42 that are secured thereto and which define the ends 30 of the cross brace 28 that are received in the channel 16. The central portion 40 is preferably roll formed of a metallic material and, in the embodiment of Figs 1-10, has a generally inverted Tee-shaped cross section, with opposed flanges 44 at its lower end for engaging the upper surface of the ceiling panel 10 and an upwardly-extending web 46 to which the attachment clips 42 are secured. However, the central portion 40 may comprise other cross sectional shapes without departing from the scope of the disclosure, such as a hat channel (Figs. 1 1 a-d), an L-angle (Figs. 12a-d), a C- channel (Figs. 13a-d), and a Z-channel (Figs. 14a-d), etc.
As noted above, the attachment clips 42 are formed separately from the central rigid member 40 to facilitate assembly of the panel 10, at which time the attachment clips 42 are inserted into the channels 16 and secured to the rigid member 40. With reference to, e.g., Figs. 6-14, the attachment clips 42 are secured to the upwardly-extending web 46 of the Tee-shaped rigid member 40 by self-drilling screws 48 received in elongated slots 50 in the attachment clips 42, the slots 50 permitting some limited adjustment of the positioning of the
attachment clips 42 to the rigid member 40. However, other means for securing the attachment clips 42 to the rigid members 40 as are well known in the art may be utilized. In addition, the clip 42 may include a short leg 51 disposed generally perpendicularly to the main portion of the clip, the short leg 51 being sized to be received in a slot in the central rigid member 40 to facilitate installation of the clip.
In order to minimize any downward deflection of the central planar portion
14 of the panel 0, it is secured to the cross brace 28 by any one or more attachment means, including, without limitation, mechanical fasteners, welding (e.g. , spot welding), and adhesives . As illustrated, the central portion 14 of the panel has a series of upstanding studs 34 secured (by. e.g., welding) thereto that are received in apertures or slots 36 in the cross braces 28 and secured thereto by nuts 38. Alternatively, the free ends of the studs 34 could be deformed (by, e.g., bending or peening), welded to the cross brace, or glued to the cross brace with an adhesive. In a further alternative, the upper surface of the panel could be formed with protrusions that define slots that capture the edges of the flanges of the elongated member of the cross brace.
Depending on the size of the paneM O, multiple cross braces may be employed in which at least two of the cross braces are disposed at right angles to each other. In such a case, one, unitary cross brace may extend from one side to an opposite side of the panel, while the cross brace oriented at a right angle thereto would comprise two elongated pieces, each having an end configured to be received in the channel, and the other end having a connector to be received in the central portion of the other cross brace, much like the stab-in connector of a cross tee that is received in a main runner of a suspension system.
In order to support the panel 10 in a grid system, the illustrated panel 10 is provided with a plurality of torsion springs 52 that are secured or maintained in the channel 16 of the panel 10, the legs 54 of the torsion springs 52 extending through slots or apertures 56 formed in the channel 16 so that the legs 54 may engage the grid system, as shown and described in the above-referenced patents. Pairs of spaced slots 56 are formed along the length of the channel 16, and torsion springs 52 are selectively associated therewith, as dictated by the size and weight of the panel 10. Alternative means for securing the panel to the grid system may be employed, such as hook members that are secured to the suspension grid and having a J-shaped lower end that is received in the channel, without departing from the disclosure.

Claims

Claims:
1. A metal panel configured to be supported in a suspension ceiling grid
comprising:
a) a metal sheet comprising a central planar portion and upturned edges defining a plurality of sides of the panel, the upturned edges comprising a first, generally-upwardly extending portion sharing a common edge with the central planar portion, a second, generally horizontally portion extending inwardly from and sharing a common edge with the first portion, and a third, generally downwardly extending portion sharing a common edge with the second portion, the first, second and third portions of the edges defining downwardly-opening channels;
b) at least one cross brace extending between at least two sides of the panel having ends configured to be received in the channels; and
c) means for securing the central planar portion of the panel to the cross brace to limit deflection of the central portion.
The metal panel of claim 1 wherein the cross brace comprises a rigid member and the ends comprise attachment clips formed separately from and secured to the rigid member, the attachment clips having an end portion with a shape complementary to a cross section of the channel.
The metal panel of claim 2 wherein the rigid member of the cross brace comprises one of an inverted Tee-shaped segment, a hat channel, a Zee channel and an angle iron.
The metal panel of claim 3 in which the attachment clip comprises at least one slot and is secured to a web of the rigid member by a fastener received in the slot. The metal panel of claim 2 wherein the cross brace comprises a Tee- shaped segment having opposed flanges and the central planar portion of the panel is secured to the flanges of the Tee-shaped segment.
The metal panel of claim 1 wherein the means for securing the central planar portion of the panel to the cross brace comprises one or more mechanical fasteners.
The metal panel of claim 5 wherein the mechanical fasteners comprise upwardly extending studs secured to the upper surface of the central planar portion of the panel.
The metal panel of claim 5 wherein the studs are secured to the cross brace by one or more of a nut, a deformation of the stud, welding, and an adhesive.
The metal panel of claim 1 wherein the means for securing the central planar portion of the panel to the cross brace comprises an adhesive.
The metal panel of claim 1 wherein the means for securing the central planar portion of the panel to the cross brace comprises welds.
The metal panel of claim 1 further comprising a plurality of one of torsion springs and hooks associated with the channels for suspending the panel from the ceiling grid.
The metal panel of claim 2 wherein the attachment clips comprise a main body portion and a short leg disposed generally perpendicularly to the main body and sized to be received in a slot in the rigid member. The metal panel of any of the preceding claims further comprising a backer board sized to be supported on an upper surface of the central portion of the panel, the cross brace being placed on an upper surface of the backer board.
PCT/US2015/018242 2015-01-15 2015-03-02 Ceiling panel for use with concealed grid system Ceased WO2016114804A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15711603.9A EP3245347A1 (en) 2015-01-15 2015-03-02 Ceiling panel for use with concealed grid system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562103694P 2015-01-15 2015-01-15
US62/103,694 2015-01-15

Publications (1)

Publication Number Publication Date
WO2016114804A1 true WO2016114804A1 (en) 2016-07-21

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ID=52706281

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Application Number Title Priority Date Filing Date
PCT/US2015/018242 Ceased WO2016114804A1 (en) 2015-01-15 2015-03-02 Ceiling panel for use with concealed grid system

Country Status (3)

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US (1) US9605428B2 (en)
EP (1) EP3245347A1 (en)
WO (1) WO2016114804A1 (en)

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IT201600108127A1 (en) * 2016-10-26 2018-04-26 Atena Spa Suspended
CN117230926A (en) * 2023-11-10 2023-12-15 中国建筑一局(集团)有限公司 An assembled aluminum gusset ceiling and its construction method

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US10113317B1 (en) 2015-04-16 2018-10-30 Gordon Sales, Inc. Apparatus and method for hanging architectural panels with concealed attachment points
PL4127352T3 (en) * 2020-05-20 2024-05-13 Durlum Group Gmbh Panel element for cladding a ceiling and / or wall and cladding for a ceiling and / or wall
US12338623B2 (en) * 2022-04-04 2025-06-24 9Wood, Inc. Attachment components and system for ceiling panels
US12031327B1 (en) 2022-08-29 2024-07-09 Gordon Sales, Inc. Suspended ceiling grid hanging system

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US3740916A (en) * 1971-03-24 1973-06-26 P Kenaga Panel construction
DE2353231A1 (en) * 1973-10-24 1975-05-07 Dreyer Heinrich Wilhelm Suspended ceiling or cladding bent-ended sheet panel - with end arms held at right angles by bridging bracing strip
DE9000698U1 (en) * 1990-01-23 1990-04-12 Klostermann, Harald, 5750 Menden Radiant ceiling panel
DE9102266U1 (en) * 1991-02-26 1991-05-16 Zehnder-Beutler GmbH, 7630 Lahr Device for hanging radiant ceiling panels
DE29516326U1 (en) * 1995-10-14 1995-12-14 Wilhelmi Werke GmbH & Co. KG, 35633 Lahnau Ceiling tile
FR2768758A1 (en) * 1997-09-19 1999-03-26 Francois Curial Insulating panel for building roof
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CN117230926A (en) * 2023-11-10 2023-12-15 中国建筑一局(集团)有限公司 An assembled aluminum gusset ceiling and its construction method
CN117230926B (en) * 2023-11-10 2024-02-27 中国建筑一局(集团)有限公司 Assembled aluminum buckle plate suspended ceiling and construction method thereof

Also Published As

Publication number Publication date
US9605428B2 (en) 2017-03-28
EP3245347A1 (en) 2017-11-22
US20160208488A1 (en) 2016-07-21

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