US3163961A - Acoustical structure - Google Patents

Acoustical structure Download PDF

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US3163961A
US3163961A US201696A US20169662A US3163961A US 3163961 A US3163961 A US 3163961A US 201696 A US201696 A US 201696A US 20169662 A US20169662 A US 20169662A US 3163961 A US3163961 A US 3163961A
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panel
hook
members
extension
along
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US201696A
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William G Kemp
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SOUNDIOCK CORP
SOUNDIOCK-CORPORATION
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SOUNDIOCK CORP
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Priority to US201696A priority Critical patent/US3163961A/en
Priority to GB9173/63A priority patent/GB991947A/en
Priority to FR927550A priority patent/FR1350377A/en
Priority to DE19631509815 priority patent/DE1509815B1/en
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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
    • E04B9/04—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
    • E04B9/04—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
    • E04B9/0485—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 containing a filling element
    • 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

Definitions

  • This invention relates generally to acoustical structure and refers more particularly to a strong, lightweight acoustical panel designed to present a pleasing appearance when assembled with other like panels in a suitable installation.
  • One object of the invention is to provide a lightweight acoustical panel which is exceptionally strong and rigid, and therefore capable of maintaining a flat uniform appearance without waves or irregularities.
  • Another object is to provide an acoustical panel constructed to facilitate the installation thereof or removal my invention.
  • FIGURE 2 is a view looking in the direction of the arrow 2 in FIGURE 1.
  • FlGURE 3 is an enlarged fragmentary sectional view of an end of the acoustical panel.
  • FIGURE 4 is an enlarged fragmentary sectional view illustrating opposite sides of the panel.
  • FIGURE 5 is afragmentary view illustrating the interlock between the sides of adjacent panels.
  • FIGURE 6 is an exploded fragmentary perspective view illustrating parts of the composite panel prior to assembly.
  • FlGURE 7 is a fragmentary perspective view of the panel.
  • each panel it? includes a perforated pan 12, a reflecting pan 1% and a core structure confined between the pans comprising a relatively rigid honeycomb layer 16 having sound deadening material 18 within the cells of the-honeycomb.
  • the perforated pan 12 has a substantially flat rectangular layer or member 20 provided with a plurality of orifices 22.
  • the orifices may be in either a regular or irregular pattern and are provided to allow sound to pass to the, interior of the panel to be deadened by the sound deadening material in the cells of the honeycomb.
  • the pan 12 has end Walls 24 which connect integrally with the opposite end margins of the flat bottom layer 29 and project upwardly at right angles to the bottom layer, terminating in the outwardly extending and returnbent flanges 26.
  • the flanges including the return-bent portions thereof are substantially parallel to the plane of the bottom layer 2t) of the pan T2.
  • the opposite sidesof the perforated pan 12 are formed with the extensions28 and 3t which join integrally with the side margins of the bottom layerZtl of thepan.
  • the extension 23 extends laterally outward, then upward and is return-bent and folded back upon itself, all as illus- 3,153,961 Patented Jan. 5., 1965 ice trated in FIGURES 4 and 6.
  • the outwardly extending portion of the extension 28 is designated 32, the upwardly extending portion 34 and the return-bent portion 36.
  • the other extension 30 has the portion 38 extending outwardly in the plane of the bottom layer 20, the downwardly opening hook portion 40 and the return-bent portion 42 which follows the 'shape of the hook and terminates above the portion 33.
  • the pan 12 may be molded, stamped or otherwise produced from metal, plastic or any other suitable material.
  • the material should present a smooth relatively rigid hard outer surface capable of being cleaned with case since it is the outer surface which will be exposed to view in a finished acoustical installation such as that shown in FTGURE l.
  • the reflecting pan 14 has a substantially flat rectangular upper layer or member 44 which is of the same size and dimension as the layer 20 and which extends in spaced parallel relation thereto.
  • the pan 14 has the end walls 46 joined integrally with the upper layer 44 along the opposite end margins thereof which extend downwardly at right angles to the plane of layer 44 and ter-minatein the outwardly extending flanges 48.
  • the flanges 48 are tightly clamped within the channel defined by the return-bent flanges 26 along the opposite ends of the refleeting 'pan.
  • the flanges 48 together with flanges 26 and the return-bent portions thereof lie in a plane approximately midway between the planes of the upper and lower layers 44 and 20 and parallel thereto.
  • the pan 14 has side walls 50 integrally joined to the opposite side margins of the layer 44 and projecting at right angles thereto toward the perforated pan 12 and actually contacting the perforated pan 12 in a continuous line contact along the side margins of the bottom layer 20 thereof.
  • the sides 50 of therefiecting pan have at their lower edges the integral lateral extensions 54 and 56.
  • These extensions have the outline illustrated in FIGURES 4 and 6 and, as shown, extension 54 extends laterally outward and upward to fit within the channel defined by the extension 28 of the perforated pan 12 to be tightly clamped therein.
  • the extension 56 extends within the channel defined by the extension 34 of the perforated pan 12 and is tightly clamped therein.
  • the extended portions 28 and 54 of the two pans together provide a laterally outward extension 60 terminating in an upturned flange 62.
  • the extended portions 3% and 56 of the two pans along the opposite side of the a panel together define an outward extension 64, and a hook having a leg 66 integral with the outward extension and extending upward at substantially a right angle to the plane of the bottom layer 20 which is return-bent to provide a free leg 68 inclined from the base '70 of the hook away from the leg 66 and terminating in a foot 72 parallel to the plane of layer 2%
  • the flanges 26 and 48 along the ends of the panel provide a sup porting flange extension 74.
  • top and bottom surfaces of the honeycomb 16 are adhered directly in surface-.to-surface relation to the inner surfaces of layers Ziland 44to prevent separation of the layers from the honeycomb. Since the sides and ends of thepan are mechanically crimped together, delamination cannot occur at the edges and hence a rigid permanently flat light weight acoustical panel structure is provided.
  • a plurality of the panels 10 are shown in aceiling assembly inFIGURE 1.
  • Therows of panels are separated by rolled metal T-bars which are supported in spaced parallel relation to each other.
  • the spacing be- I tween the T-bars corresponds with the length of the panels so that the opposite ends of the panels are sup ported by the flanges 74 thereon which rest upon the flanges 82 of the invented T-bars.
  • the ends of the panels beneath the flanges 74 contact the sides 83 of the T-bar to prevent endwise shifting of the panels.
  • FIGURE 5 The sides of adjacent'panels are interlocked by the extended portions of the panels along the sides thereof. This is shown in FIGURE 5. It will be noted that the side of the panel having the hook is supported on the side of an adjacent panel by engagement of the foot 72 of the hook with the outward extension 60 of'the other panel. The arrangement is such thatthe panels,'or the bottom surfaces thereof, are in a common plane. The base 70 of the hook is supported above and clear of the upper edge of the upturned portion 62. Hence it is the foot of the hook which supports the panel.
  • An acoustical panel comprising a substantially flat perforated member, a substantially flat sound-reflecting member extending over said perforated member in spaced parallel relation thereto, sound-deadening means between said members including a relatively rigid honeycomb core the opposite surfaces of which are adhered directly to the opposed surfaces of said members to'prevent the material of said members from sagging or separating from the honeycomb core, sound deadening material in the cells of the honeycomb core, said members along one edge of said panel having extended portions secured together in surface-to-surface relation providing an outward marginal extension of the panel terminating in an upturned flange, said members having extended portions along the opposite edge of the panel secured together in surfaceto-surface relation and defining a downwardly opening generally U-shaped hook having a free leg and hook being adapted to engage over the flange of a like adjacent panel, the free leg of said hook being of a length to engage the extension of the adjacent panel and sup port the first-mentioned panel so that the base of the hook thereof is above
  • An acoustical panel comprising a substantially flat perforated member, a substantially flat sound-reflecting member extending over said perforated member in spaced parallel relation thereto, sound deadening means between said members including a relatively rigid honeycomb core the opposite surfaces of which are adhered directly to the opposed surfaces of said members to prevent the material of said members from sagging or separating from the honeycomb core, sound deadening material in 'the cells of the honeycomb core, said perforated member having walls at opposite edges of said panel extending from the margins of said perforated member toward said reflecting member, said reflecting member having walls at the said opposite edges of said panel extending from the margins of said reflecting member toward said perforated member, the walls of one of said members having laterally outwardly extending flanges and the walls of the other of said members having laterally outwardly extending flanges return-bent to form inwardly opening channels respectively receiving and tightly gripping the first-mentioned flanges to prevent separation of said members and delamination of said
  • An acoustical panel comprising a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced'parallel relation thereto, a relatively rigid'honeycomb core between said members, means connecting said members and core together in a permanent assembly, said core resisting warping of the panel, said panel having along one edge thereof an outward marginal extensionterminating in an upturned'flange, said panel having along the opposite edge thereof a downwardly opening generally U-shaped hook having a free leg and a leg joined to the said opposite edge of the panel, said outward marginal extension and upturned flange and said hook constituting integral extensions of at least one of said members, said hook being adapted to engage over the flange of a like adjacent panel, the free leg of said hook being of a length to engage the extension of the adjacent panel and support the firstmentioned panel so that the base of the hook thereof is above and clear of the upturned flange of the adjacent panel.
  • An acoustical panel comprising a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced parallel relation thereto, a relatively rigid honeycomb core between said members, means connecting said core and members together in a permanent assembly, said core resisting warping of the panel, said panel having along opposite edges thereof laterally outward extensions providing flanges to support said panel in a suitable installation, said panel having along one of its remaining edges an outward marginal extension terminating in an upturned flange, said panel having along the other of its remaining edges a downwardly opening, generally U-shaped hook having afree leg and a leg joined to the panel, said hook being adapted to engage over the upturned flange of a like adjacent panel, the free leg of said hook being of a length to engage the marginal extension of the adjacent panel and support the first-mentioned panel so that the base of the hook is above and clear of the upturned flange of the adjacent panel.
  • each panel having a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced parallel relation thereto, a relatively rigid honeycomb core between said members of each panel, means connecting said core and members of each panel together in a permanent assembly, said core of each panel resisting warping thereof, and a connection between adjacent edges of said panels including an outward marginal extension along said adjacent edge of onepanel terminating in an upturned flange, a downwardly opening generally U-shap'ed book along said adjacent edge of the other panelhaving a free leg and a leg connected to said other panel, said hook engaging over said upturned flange, the lower end of said 5 free leg engaging the extension of said one panel to support said other panel so that the base of the hook is above and clear of said upturned flange, said outward marginal extensien' and upturned flange and said book being formed from integral extended portions of at least one of said members

Description

Jan. 5, 1965 w. G. KEMP 3,163,961
ACOUSTICAL STRUCTURE Filed June 11, 1962 2 Sheets-Sheet 1 Jan. 5, 1965 w. a. KEMP 3,163,961
ACOUSTICAL STRUCTURE Filed June 11, 1962 2 Sheets-Sheet 2 A TTORN'YJ United States Patent 3,163,961 AQQUSTTCAL STRUCTURE William G. Kemp, Pontiac, Mich, assignor to The Soundiock Corporation, Hazelhnrst, Gas, a corporation of Delaware Filed June 11, 1W2, Ser. No. 2lll,696
'7 Claims. (Cl. So -4AM) This invention relates generally to acoustical structure and refers more particularly to a strong, lightweight acoustical panel designed to present a pleasing appearance when assembled with other like panels in a suitable installation.
One object of the invention is to provide a lightweight acoustical panel which is exceptionally strong and rigid, and therefore capable of maintaining a flat uniform appearance without waves or irregularities.
Another object is to provide an acoustical panel constructed to facilitate the installation thereof or removal my invention.
FIGURE 2 is a view looking in the direction of the arrow 2 in FIGURE 1.
FlGURE 3 is an enlarged fragmentary sectional view of an end of the acoustical panel.
FIGURE 4 is an enlarged fragmentary sectional view illustrating opposite sides of the panel.
FIGURE 5 is afragmentary view illustrating the interlock between the sides of adjacent panels.
FIGURE 6 is an exploded fragmentary perspective view illustrating parts of the composite panel prior to assembly.
FlGURE 7 is a fragmentary perspective view of the panel.
Referring now more particularly-to the drawings, the acoustical panels therein illustrated are of the same construction and generally designated by the reference character Ill. Each panel it? includes a perforated pan 12, a reflecting pan 1% and a core structure confined between the pans comprising a relatively rigid honeycomb layer 16 having sound deadening material 18 within the cells of the-honeycomb.
The perforated pan 12 has a substantially flat rectangular layer or member 20 provided with a plurality of orifices 22. The orifices may be in either a regular or irregular pattern and are provided to allow sound to pass to the, interior of the panel to be deadened by the sound deadening material in the cells of the honeycomb.
Y The pan 12 has end Walls 24 which connect integrally with the opposite end margins of the flat bottom layer 29 and project upwardly at right angles to the bottom layer, terminating in the outwardly extending and returnbent flanges 26. The flanges including the return-bent portions thereof are substantially parallel to the plane of the bottom layer 2t) of the pan T2.
The opposite sidesof the perforated pan 12 are formed with the extensions28 and 3t which join integrally with the side margins of the bottom layerZtl of thepan. The extension 23 extends laterally outward, then upward and is return-bent and folded back upon itself, all as illus- 3,153,961 Patented Jan. 5., 1965 ice trated in FIGURES 4 and 6. The outwardly extending portion of the extension 28 is designated 32, the upwardly extending portion 34 and the return-bent portion 36.
The other extension 30 has the portion 38 extending outwardly in the plane of the bottom layer 20, the downwardly opening hook portion 40 and the return-bent portion 42 which follows the 'shape of the hook and terminates above the portion 33. p
The pan 12 may be molded, stamped or otherwise produced from metal, plastic or any other suitable material. The material should present a smooth relatively rigid hard outer surface capable of being cleaned with case since it is the outer surface which will be exposed to view in a finished acoustical installation such as that shown in FTGURE l.
The reflecting pan 14 has a substantially flat rectangular upper layer or member 44 which is of the same size and dimension as the layer 20 and which extends in spaced parallel relation thereto. The pan 14 has the end walls 46 joined integrally with the upper layer 44 along the opposite end margins thereof which extend downwardly at right angles to the plane of layer 44 and ter-minatein the outwardly extending flanges 48. In the assembled condition of the panel, the flanges 48 are tightly clamped within the channel defined by the return-bent flanges 26 along the opposite ends of the refleeting 'pan. The flanges 48 together with flanges 26 and the return-bent portions thereof lie in a plane approximately midway between the planes of the upper and lower layers 44 and 20 and parallel thereto.
Referring to FIGURES 4 and 6, the pan 14 has side walls 50 integrally joined to the opposite side margins of the layer 44 and projecting at right angles thereto toward the perforated pan 12 and actually contacting the perforated pan 12 in a continuous line contact along the side margins of the bottom layer 20 thereof. The sides 50 of therefiecting pan have at their lower edges the integral lateral extensions 54 and 56. These extensions have the outline illustrated in FIGURES 4 and 6 and, as shown, extension 54 extends laterally outward and upward to fit within the channel defined by the extension 28 of the perforated pan 12 to be tightly clamped therein. The extension 56 extends within the channel defined by the extension 34 of the perforated pan 12 and is tightly clamped therein.
The extended portions 28 and 54 of the two pans together provide a laterally outward extension 60 terminating in an upturned flange 62. The extended portions 3% and 56 of the two pans along the opposite side of the a panel together define an outward extension 64, and a hook having a leg 66 integral with the outward extension and extending upward at substantially a right angle to the plane of the bottom layer 20 which is return-bent to provide a free leg 68 inclined from the base '70 of the hook away from the leg 66 and terminating in a foot 72 parallel to the plane of layer 2% The flanges 26 and 48 along the ends of the panel provide a sup porting flange extension 74.
The top and bottom surfaces of the honeycomb 16 are adhered directly in surface-.to-surface relation to the inner surfaces of layers Ziland 44to prevent separation of the layers from the honeycomb. Since the sides and ends of thepan are mechanically crimped together, delamination cannot occur at the edges and hence a rigid permanently flat light weight acoustical panel structure is provided.
A plurality of the panels 10 are shown in aceiling assembly inFIGURE 1. Therows of panels are separated by rolled metal T-bars which are supported in spaced parallel relation to each other.
The spacing be- I tween the T-bars corresponds with the length of the panels so that the opposite ends of the panels are sup ported by the flanges 74 thereon which rest upon the flanges 82 of the invented T-bars. The ends of the panels beneath the flanges 74 contact the sides 83 of the T-bar to prevent endwise shifting of the panels.
The sides of adjacent'panels are interlocked by the extended portions of the panels along the sides thereof. This is shown in FIGURE 5. It will be noted that the side of the panel having the hook is supported on the side of an adjacent panel by engagement of the foot 72 of the hook with the outward extension 60 of'the other panel. The arrangement is such thatthe panels,'or the bottom surfaces thereof, are in a common plane. The base 70 of the hook is supported above and clear of the upper edge of the upturned portion 62. Hence it is the foot of the hook which supports the panel. This is preferred to supporting the panel by engagement of the upper edge of flange 62 with the base of the hook, be cause anyslight variation in the dimension of the hooks and flanges, which might result in an irregular surface when several panels are installed side by side as in FIG- URE 1 can be readily cured in the present construction by merely forming a longer foot 72 on the hook if that is considered necessary.
What I claim as my invention is:
1. An acoustical panel, comprising a substantially flat perforated member, a substantially flat sound-reflecting member extending over said perforated member in spaced parallel relation thereto, sound-deadening means between said members including a relatively rigid honeycomb core the opposite surfaces of which are adhered directly to the opposed surfaces of said members to'prevent the material of said members from sagging or separating from the honeycomb core, sound deadening material in the cells of the honeycomb core, said members along one edge of said panel having extended portions secured together in surface-to-surface relation providing an outward marginal extension of the panel terminating in an upturned flange, said members having extended portions along the opposite edge of the panel secured together in surfaceto-surface relation and defining a downwardly opening generally U-shaped hook having a free leg and hook being adapted to engage over the flange of a like adjacent panel, the free leg of said hook being of a length to engage the extension of the adjacent panel and sup port the first-mentioned panel so that the base of the hook thereof is above and clear of the flange of the adjacent panel.
2. An acoustical panel, comprising a substantially flat perforated member, a substantially flat sound-reflecting member extending over said perforated member in spaced parallel relation thereto, sound deadening means between said members including a relatively rigid honeycomb core the opposite surfaces of which are adhered directly to the opposed surfaces of said members to prevent the material of said members from sagging or separating from the honeycomb core, sound deadening material in 'the cells of the honeycomb core, said perforated member having walls at opposite edges of said panel extending from the margins of said perforated member toward said reflecting member, said reflecting member having walls at the said opposite edges of said panel extending from the margins of said reflecting member toward said perforated member, the walls of one of said members having laterally outwardly extending flanges and the walls of the other of said members having laterally outwardly extending flanges return-bent to form inwardly opening channels respectively receiving and tightly gripping the first-mentioned flanges to prevent separation of said members and delamination of said members and core, said flanges and channels extending from side to side of said panel and being located approximately midway between the planes of said members and serving to support said panel in a suitable installation, said panel having along one of its remaining edges an outward marginal extension terminating in an upturned flange, said panel having along the other of its remaining edges a downwardly opening, generally U-shaped hook having a free leg and a leg joined to the panel, said hook being adapted to engage over the upturned flange of a like adjacent panel, the free leg of said hook being of a length to engage the extension of the adjacent panel and support the first-mentioned panel so that the base of the hook is above and clear of the upturned flange of the adjacent panel.
3. The acoustical panel defined in claim 2, wherein said marginal extension and upturned flange and said hook are formed from overlapping extended portions of said member secured to each other in surface-to-surface relaltion.
4. An acoustical panel, comprising a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced'parallel relation thereto, a relatively rigid'honeycomb core between said members, means connecting said members and core together in a permanent assembly, said core resisting warping of the panel, said panel having along one edge thereof an outward marginal extensionterminating in an upturned'flange, said panel having along the opposite edge thereof a downwardly opening generally U-shaped hook having a free leg and a leg joined to the said opposite edge of the panel, said outward marginal extension and upturned flange and said hook constituting integral extensions of at least one of said members, said hook being adapted to engage over the flange of a like adjacent panel, the free leg of said hook being of a length to engage the extension of the adjacent panel and support the firstmentioned panel so that the base of the hook thereof is above and clear of the upturned flange of the adjacent panel.
5. An acoustical panel, comprising a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced parallel relation thereto, a relatively rigid honeycomb core between said members, means connecting said core and members together in a permanent assembly, said core resisting warping of the panel, said panel having along opposite edges thereof laterally outward extensions providing flanges to support said panel in a suitable installation, said panel having along one of its remaining edges an outward marginal extension terminating in an upturned flange, said panel having along the other of its remaining edges a downwardly opening, generally U-shaped hook having afree leg and a leg joined to the panel, said hook being adapted to engage over the upturned flange of a like adjacent panel, the free leg of said hook being of a length to engage the marginal extension of the adjacent panel and support the first-mentioned panel so that the base of the hook is above and clear of the upturned flange of the adjacent panel.
6. The acoustical panel defined in claim 5, wherein said outward extensions, said outward marginal extension and upturned flange and said hook are formed from integral extended portions of at least one of said members.
7. In a ceiling structure, a pair of adjacent panels arranged substantially in edge-to-edge relation in a common horizontal plane, each panel having a substantially flat perforated member, a substantially flat second member extending over said perforated member in spaced parallel relation thereto, a relatively rigid honeycomb core between said members of each panel, means connecting said core and members of each panel together in a permanent assembly, said core of each panel resisting warping thereof, and a connection between adjacent edges of said panels including an outward marginal extension along said adjacent edge of onepanel terminating in an upturned flange, a downwardly opening generally U-shap'ed book along said adjacent edge of the other panelhaving a free leg and a leg connected to said other panel, said hook engaging over said upturned flange, the lower end of said 5 free leg engaging the extension of said one panel to support said other panel so that the base of the hook is above and clear of said upturned flange, said outward marginal extensien' and upturned flange and said book being formed from integral extended portions of at least one of said members of each panel.
References J lted in the file of this patent UNITED STATES PATENTS 892,693 Stein Fuly 7, 1908 1,889,784 Harter -1 Bee. 6, 1932 1,966,041 Nelson July 16, 1934 6 Burgess Ian. 21, 1936 Nold e1 e1 Dee. 8, 1936 Venzie Mar. 21, 1939 Gillett et a1 Sept. 14, 1948 10m June 7, 1955 Kemp Feb. 20, 1962 Kemp July 2, 1963 FOREIGN PATENTS Switzerland May 31, 195 6 Great Britain Dec. 27, 1951 France Jan. 31, 1933

Claims (1)

  1. 4. AN ACOUSTICAL PANEL, COMPRISING A SUBSTANTIALLY FLAT PERFORATED MEMBER, A SUBSTANTIALLY FLAT SECOND MEMBER EXTENDING OVER SAID PERFORATED MEMBER IN SPACED PARALLEL RELATION THERETO, A RELATIVELY RIGID HONEYCOMB CORE BETWEEN SAID MEMBERS, MEANS CONNECTING SAID MEMBERS AND CORE TOGETHER IN A PERMANENT ASSEMBLY, SAID CORE RESISTING WARPING OF THE PANEL, SAID PANEL HAVING ALONG ONE EDGE THEREOF AN OUTWARDLY MARGINAL EXTENSION TERMINATING IN AN UPTURNED FLANGE, SAID PANEL HAVING ALONG THE OPPOSITE EDGE THEREOF A DOWNWARDLY OPENING GENERALLY U-SHAPED HOOK HAVING A FREE LEG AND A LEG JOINED TO THE SAID OPPOSITE EDGE OF THE PANEL, SAID OUTWARD MARGINAL EXTENSION AND UPTURNED FLANGE AND SAID HOOK CONSTITUTING INTEGRAL EXTENSIONS OF AT LEAST ONE OF SAID MEMBERS, SAID HOOK BEING ADAPTED TO ENGAGE OVER THE FLANGE OF A LIKE ADJACENT PANEL,
US201696A 1962-06-11 1962-06-11 Acoustical structure Expired - Lifetime US3163961A (en)

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US201696A US3163961A (en) 1962-06-11 1962-06-11 Acoustical structure
GB9173/63A GB991947A (en) 1962-06-11 1963-03-07 Improvements in or relating to acoustical ceiling structures and acoustical panels for installation in acoustical ceiling structures
FR927550A FR1350377A (en) 1962-06-11 1963-03-11 Soundproof panel
DE19631509815 DE1509815B1 (en) 1962-06-11 1963-04-10 Suspended ceiling and ceiling plate for this

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US3358408A (en) * 1965-08-25 1967-12-19 Butler Manufacturing Co Insulated light transmitting panel
US3381438A (en) * 1963-12-12 1968-05-07 Hauserman Co E F Reusable wall system
US3400506A (en) * 1965-07-12 1968-09-10 Walter W. Thompson Suspended ceiling of removable panels
US3417530A (en) * 1966-11-21 1968-12-24 Owens Corning Fiberglass Corp Suspended ceiling system
US3505771A (en) * 1968-02-12 1970-04-14 Walter W Thompson Acoustical ceiling
US4558838A (en) * 1984-10-30 1985-12-17 Unarco Industries, Inc. Storage rack with wood cross bars and end bracket for the same
US20040055239A1 (en) * 2002-07-30 2004-03-25 Hunter Douglas Industries B.V. Ceiling paneling system
US20200002943A1 (en) * 2018-06-29 2020-01-02 Certainteed Canada, Inc. Connection Clip for Securing a Panel to a Support Grid

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US3400506A (en) * 1965-07-12 1968-09-10 Walter W. Thompson Suspended ceiling of removable panels
US3358408A (en) * 1965-08-25 1967-12-19 Butler Manufacturing Co Insulated light transmitting panel
US3417530A (en) * 1966-11-21 1968-12-24 Owens Corning Fiberglass Corp Suspended ceiling system
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US20040055239A1 (en) * 2002-07-30 2004-03-25 Hunter Douglas Industries B.V. Ceiling paneling system
US7322157B2 (en) * 2002-07-30 2008-01-29 Hunter Douglas Industries Bv Ceiling paneling system
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Also Published As

Publication number Publication date
FR1350377A (en) 1964-01-24
DE1509815B1 (en) 1970-03-19
GB991947A (en) 1965-05-12

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