US20130269278A1 - Ceiling tiles - Google Patents
Ceiling tiles Download PDFInfo
- Publication number
- US20130269278A1 US20130269278A1 US13/865,145 US201313865145A US2013269278A1 US 20130269278 A1 US20130269278 A1 US 20130269278A1 US 201313865145 A US201313865145 A US 201313865145A US 2013269278 A1 US2013269278 A1 US 2013269278A1
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- United States
- Prior art keywords
- clips
- panel
- clip
- edge
- suspension
- 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.)
- Abandoned
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000003351 stiffener Substances 0.000 claims description 30
- 239000000725 suspension Substances 0.000 abstract description 25
- 239000002023 wood Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 9
- 230000004308 accommodation Effects 0.000 abstract description 3
- 239000010421 standard material Substances 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 hardboard Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to 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
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
-
- 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
- E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
Definitions
- the present invention relates to ceiling tiles, for example, those made of decorative wood or other materials.
- the invention further relates to suspending and stiffening such tiles.
- Suspended wood ceiling panels are a growing architectural market segment.
- the suspension systems of these panels have a number of features that are typically desired by customers and/or may be required by regulation, such as the ability to use large panel sizes (larger than about 2′ ⁇ 2′), concealed suspension T-grid, accessibility, seismic compliance, and ease of installation.
- Adverse climate conditions may affect the performance of ceiling tiles, particularly wood tiles, by causing panels to shrink and swell which may affect flatness. Allowing stiffening closer to the panel edge than previously possible may improve flatness performance. Incorporating stiffening and alignment functions within the suspension clips may ease manufacturing. Allowing the suspension of a wide variety of panel core materials, including very thin and low internal bond strength materials may also be desirable.
- This lift-and-shift system typically uses four components that interact with standard T-Bar flanges.
- a grooved clip is seated on one side of the T-Bar flange, while a locking clip holds it in place.
- a stepped clip allows the panel to be rotated and fixed into place, while a safety strap attaches to the T-Bar web and provides seismic compliance. Alignment of the panel within the T-Bar grid is accomplished with wood blocks which interface with the cross-tees.
- Clips are typically attached to the panel using screws. While this works well for standard cores such as particleboard and Medium Density Fiberboard (MDF), the use of very thin materials, such as hardboard, as well as materials with a low internal bond strength, such as mineral board present challenges.
- MDF Medium Density Fiberboard
- Stiffener bars typically are not extended to the edge of the panel because of interference with the suspension clips. In some climate conditions this can result in panels warping and curling at the perimeter to an extent dependent on the severity of the climate conditions. This is believed to result from the movement being transferred to the panel edges.
- Stiffener bars are typically either attached to the panel directly or attached using hold down clips, which may be placed regularly along the stiffener length.
- the additional clips typically affect both fabrication time and manufacturing cost. Both of these methods of stiffener attachment rigidly fix the back of the panel to the stiffeners. This does not allow the wood panel to shrink or swell, which can result in stiffener failure.
- Wood alignment blocks may be required to be attached separately from the other clips, which may increase manufacturing cost.
- a ceiling tile may provide for suspending and stiffening leading to the following performance characteristics:
- This system may be designed to incorporate all the advantages of lift-and-shift seismic suspension systems, while providing additional features and benefits.
- the installation procedures are generally similar or the same, which will benefit installers familiar with the previous system.
- Suspension clips may be designed with a large bottom surface area, which allows for adhesive attachment to core materials that do not allow mechanical fasteners, such as thin hardboard or mineral board.
- the clips may include holes which allow attachment to standard particleboard or medium density fiberboard using screws or staples.
- Suspension clips may include a notch shaped in the profile of standard commercially available 9/16′′ Heavy Duty T-Bar Mainrunner, which can be used as a stiffener. This notch may be loose enough that the clips can slide along the mainrunner, while still restraining vertical motion. This permits the wood panel to shrink and swell, while maintaining the stiffening action of the mainrunner.
- stiffener bars may be attached to the suspension clips, the result of which is the effect of the stiffening is spread over a larger area, including at or adjacent to the panel edge. This may be preferred over systems that require stiffeners to be inset to avoid interference with the suspension system.
- Grooved clips are constructed with a groove on one side, and a vertical edge on the other side, allowing suspension or alignment depending on the orientation of the clip.
- the groove allows the clip to be set on the flange of a T-Grid mainrunner.
- the vertical edge provides alignment of the panel within the T-Grid by acting as a bumper against the cross-tee flange.
- this system may reduce the number of clips that are attached during fabrication. This allows for reduced manufacturing costs, and more competitive pricing compared to other systems.
- FIG. 1 is a perspective view of two lift and lock clips, with I-beam stiffeners, aligned at a cross-tee, according to an embodiment of the present invention.
- FIG. 2 is a pictorial view of a panel with lift and lock clips according to an embodiment of the present invention.
- FIG. 3 is a perspective view of a panel with lift and lock clips according to an embodiment of the present invention.
- FIG. 4 is a plan view of a panel with lift and lock clips according to an embodiment of the present invention.
- FIG. 5 is a perspective view of a portion of a panel with single step lift and lock clips suspended on a mainrunner flange according to an embodiment of the present invention.
- FIG. 6 is a perspective view of a portion of a panel with double step lift and lock clips suspended on a mainrunner flange, and showing a safety strap coupling the clip to the mainrunner web according to an embodiment of the present invention.
- FIG. 7 is a perspective view of a portion of a panel with two lift and lock clips, with I-beam stiffeners, aligned at a cross-tee, according to an embodiment of the present invention.
- FIG. 8 is a side view of a single-step clip, according to an embodiment of the present invention.
- FIG. 9 is a perspective view of a single-step clip, according to an embodiment of the present invention.
- FIG. 10 is a side view of a double-step clip, according to an embodiment of the present invention.
- FIG. 11 is a perspective view of a double-step clip, according to an embodiment of the present invention.
- FIG. 12 is a perspective view of another double-step clip, according to an embodiment of the present invention.
- FIG. 13 is a perspective view of a locking clip, according to an embodiment of the present invention.
- FIG. 14 is a perspective view of another single-step clip, according to an embodiment of the present invention.
- FIG. 15 is a perspective view of the single-step clip of FIG. 14 with an I-beam stiffener inserted, according to an embodiment of the present invention.
- System 20 may be used with ceiling panels or other tiles 22 .
- System 20 preferably includes four stiffener bars 24 on each tile 22 , typically each extending along and adjacent to an edge 26 of tile 22 , although other numbers and configurations of stiffener bars 24 may be used.
- system 20 may be used to secure ceiling panels 22 to an array of suspended T-bars 28 at flanges 30 .
- Each ceiling panel 22 typically defines a front face 32 ( FIG. 3 ) and an opposed back face 34 and a first edge 26 a and an opposite second edge 26 b.
- the first and second edges 26 a, 26 b are preferably configured to be aligned with the suspended T-bars 28 at flanges 30 .
- One or more clips may be coupled to panel 22 along and adjacent to first edge 26 a of panel 22 .
- One or more clips, for example five clips 36 b may be coupled to panel 22 along and adjacent to second edge 26 b of panel 22 .
- Clips 36 a may be of one type, e.g., having a single step, and clips 36 b of another type, e.g, having a double step, for a lift-and-lock installation at T-bar flanges 30 .
- a locking clip 42 FIGS. 4 and 13
- safety strap 44 FIG. 6
- Each clip 36 preferably defines a channel 38 , best seen in FIGS. 8-12 and 14 - 15 .
- Channels 38 of clips 36 along each edge are preferably aligned with one another.
- Stiffener bar 24 is preferably inserted in the channels of clips 36 along an edge of the panel.
- Each edge may include one or more clips, e.g., five clips, and a stiffener bar may extend through each set of clips along each edge, as seen in FIGS. 2-4 .
- Channel 38 preferably allows relative movement of the stiffener bar and the clips.
- clips 36 extend along a center line of panel 22 and another stiffener bar 24 is inserted in the channels of the clips to provide stiffening along that center line.
- System 20 may also include an aligning function incorporated into the clips. As best seen in FIGS. 1 and 7 , clips 36 may be aligned in two adjacent rows with a cross-tee 40 .
- Clips 36 with channels 38 allow the stiffener bar, e.g, a small “I” beam to slide, allowing the wood panel to grow and shrink, but maintain acceptable flatness.
- Clips 36 may be attached to panels 22 by any suitable means, including fastening with hardware such as screws at one or holes in each clip. Other means include adhesives, or other fastening techniques other than hardware.
- Stiffener bars 25 are preferably located as close to the edge of the panel as is practical for each particular embodiment. Stiffening close to the edge is generally considered to be more effective at reducing the warping of the panel.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
According to one embodiment of the present invention, a ceiling tile may provide for suspending and stiffening leading to the following performance characteristics: (1) ease of suspension and seismic compliance; (2) ability to suspend thin and low internal bond strength materials, in addition to standard materials; (3) accommodation of wood movement while maintaining panel flatness; (4) stiffening of panels to panel edge; (5) alignment of panels within concealed suspension T-Grid without additional components; and (6) ease of fabrication.
Description
- This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Patent Application Ser. No. 61/625,620 which was filed on Apr. 17, 2012. The complete disclosure of the above-identified patent application is hereby incorporated by reference for all purposes.
- The present invention relates to ceiling tiles, for example, those made of decorative wood or other materials. The invention further relates to suspending and stiffening such tiles.
- Suspended wood ceiling panels are a growing architectural market segment. The suspension systems of these panels have a number of features that are typically desired by customers and/or may be required by regulation, such as the ability to use large panel sizes (larger than about 2′×2′), concealed suspension T-grid, accessibility, seismic compliance, and ease of installation.
- In addition to these issues relating to suspension, other design considerations may be taken into account, such as the inclusion of stiffener bars, and the ability to suspend panels constructed from cores which complicate or preclude the use of mechanical fasteners.
- Adverse climate conditions may affect the performance of ceiling tiles, particularly wood tiles, by causing panels to shrink and swell which may affect flatness. Allowing stiffening closer to the panel edge than previously possible may improve flatness performance. Incorporating stiffening and alignment functions within the suspension clips may ease manufacturing. Allowing the suspension of a wide variety of panel core materials, including very thin and low internal bond strength materials may also be desirable.
- Large wood tiles may be hung with a lift-and-shift seismic suspension system. Typical systems effectively meet the suspension and seismic requirements. Suspension of non-standard substrates may require other suspension systems. The lift-and-shift suspension may also present limitations on the use of stiffener bars.
- This lift-and-shift system typically uses four components that interact with standard T-Bar flanges. A grooved clip is seated on one side of the T-Bar flange, while a locking clip holds it in place. A stepped clip allows the panel to be rotated and fixed into place, while a safety strap attaches to the T-Bar web and provides seismic compliance. Alignment of the panel within the T-Bar grid is accomplished with wood blocks which interface with the cross-tees.
- Challenges with suspending non-standard cores: Clips are typically attached to the panel using screws. While this works well for standard cores such as particleboard and Medium Density Fiberboard (MDF), the use of very thin materials, such as hardboard, as well as materials with a low internal bond strength, such as mineral board present challenges.
- Challenges with stiffening panels close to edge: Stiffener bars typically are not extended to the edge of the panel because of interference with the suspension clips. In some climate conditions this can result in panels warping and curling at the perimeter to an extent dependent on the severity of the climate conditions. This is believed to result from the movement being transferred to the panel edges.
- Additional clips may be required to attach stiffeners: Stiffener bars are typically either attached to the panel directly or attached using hold down clips, which may be placed regularly along the stiffener length. The additional clips typically affect both fabrication time and manufacturing cost. Both of these methods of stiffener attachment rigidly fix the back of the panel to the stiffeners. This does not allow the wood panel to shrink or swell, which can result in stiffener failure.
- Additional components may be required to align panels within concealed suspension T-Grid: Wood alignment blocks may be required to be attached separately from the other clips, which may increase manufacturing cost.
- According to one embodiment of the present invention, a ceiling tile may provide for suspending and stiffening leading to the following performance characteristics:
- 1. Ease of suspension and seismic compliance.
- 2. Ability to suspend thin and low internal bond strength materials, in addition to standard materials.
- 3. Accommodation of wood movement while maintaining panel flatness.
- 4. Stiffening of panels to panel edge.
- 5. Alignment of panels within concealed suspension T-Grid without additional components.
- 6. Ease of fabrication.
- Ease of suspension and seismic compliance of existing solutions: This system may be designed to incorporate all the advantages of lift-and-shift seismic suspension systems, while providing additional features and benefits. The installation procedures are generally similar or the same, which will benefit installers familiar with the previous system.
- Ability to suspend thin and low internal bond strength materials, in addition to standard materials: Suspension clips may be designed with a large bottom surface area, which allows for adhesive attachment to core materials that do not allow mechanical fasteners, such as thin hardboard or mineral board. The clips may include holes which allow attachment to standard particleboard or medium density fiberboard using screws or staples.
- Accommodation of wood movement while maintaining panel flatness: Suspension clips may include a notch shaped in the profile of standard commercially available 9/16″ Heavy Duty T-Bar Mainrunner, which can be used as a stiffener. This notch may be loose enough that the clips can slide along the mainrunner, while still restraining vertical motion. This permits the wood panel to shrink and swell, while maintaining the stiffening action of the mainrunner.
- Stiffening of panels to panel edge: The stiffener bars may be attached to the suspension clips, the result of which is the effect of the stiffening is spread over a larger area, including at or adjacent to the panel edge. This may be preferred over systems that require stiffeners to be inset to avoid interference with the suspension system.
- Alignment of panels within concealed suspension T-Grid without additional components: Grooved clips are constructed with a groove on one side, and a vertical edge on the other side, allowing suspension or alignment depending on the orientation of the clip. The groove allows the clip to be set on the flange of a T-Grid mainrunner. The vertical edge provides alignment of the panel within the T-Grid by acting as a bumper against the cross-tee flange.
- Ease of fabrication: By incorporating the suspension clips and attachment of stiffener bars, this system may reduce the number of clips that are attached during fabrication. This allows for reduced manufacturing costs, and more competitive pricing compared to other systems.
-
FIG. 1 is a perspective view of two lift and lock clips, with I-beam stiffeners, aligned at a cross-tee, according to an embodiment of the present invention. -
FIG. 2 is a pictorial view of a panel with lift and lock clips according to an embodiment of the present invention. -
FIG. 3 is a perspective view of a panel with lift and lock clips according to an embodiment of the present invention. -
FIG. 4 is a plan view of a panel with lift and lock clips according to an embodiment of the present invention. -
FIG. 5 is a perspective view of a portion of a panel with single step lift and lock clips suspended on a mainrunner flange according to an embodiment of the present invention. -
FIG. 6 is a perspective view of a portion of a panel with double step lift and lock clips suspended on a mainrunner flange, and showing a safety strap coupling the clip to the mainrunner web according to an embodiment of the present invention. -
FIG. 7 is a perspective view of a portion of a panel with two lift and lock clips, with I-beam stiffeners, aligned at a cross-tee, according to an embodiment of the present invention. -
FIG. 8 is a side view of a single-step clip, according to an embodiment of the present invention. -
FIG. 9 is a perspective view of a single-step clip, according to an embodiment of the present invention. -
FIG. 10 is a side view of a double-step clip, according to an embodiment of the present invention. -
FIG. 11 is a perspective view of a double-step clip, according to an embodiment of the present invention. -
FIG. 12 is a perspective view of another double-step clip, according to an embodiment of the present invention. -
FIG. 13 is a perspective view of a locking clip, according to an embodiment of the present invention. -
FIG. 14 is a perspective view of another single-step clip, according to an embodiment of the present invention. -
FIG. 15 is a perspective view of the single-step clip ofFIG. 14 with an I-beam stiffener inserted, according to an embodiment of the present invention. - As depicted in the drawings, a
system 20 incorporating an embodiment of the invention may be used with ceiling panels orother tiles 22.System 20 preferably includes fourstiffener bars 24 on eachtile 22, typically each extending along and adjacent to anedge 26 oftile 22, although other numbers and configurations of stiffener bars 24 may be used. - As shown in
FIGS. 5 and 6 ,system 20 may be used to secureceiling panels 22 to an array of suspended T-bars 28 atflanges 30. Eachceiling panel 22 typically defines a front face 32 (FIG. 3 ) and anopposed back face 34 and afirst edge 26 a and an oppositesecond edge 26 b. The first andsecond edges bars 28 atflanges 30. - One or more clips, for example five
clips 36 a, may be coupled topanel 22 along and adjacent tofirst edge 26 a ofpanel 22. One or more clips, for example fiveclips 36 b, may be coupled topanel 22 along and adjacent tosecond edge 26 b ofpanel 22.Clips 36 a may be of one type, e.g., having a single step, and clips 36 b of another type, e.g, having a double step, for a lift-and-lock installation at T-bar flanges 30. A locking clip 42 (FIGS. 4 and 13 ) may be used to lock the panels in place and safety strap 44 (FIG. 6 ) may provide a restraint if the clips are dislodged from the T-bar flanges. - Each
clip 36 preferably defines achannel 38, best seen inFIGS. 8-12 and 14-15.Channels 38 ofclips 36 along each edge are preferably aligned with one another.Stiffener bar 24 is preferably inserted in the channels ofclips 36 along an edge of the panel. Each edge may include one or more clips, e.g., five clips, and a stiffener bar may extend through each set of clips along each edge, as seen inFIGS. 2-4 .Channel 38 preferably allows relative movement of the stiffener bar and the clips. In an alternative embodiment, shown inFIG. 4 , clips 36 extend along a center line ofpanel 22 and anotherstiffener bar 24 is inserted in the channels of the clips to provide stiffening along that center line. -
System 20 may also include an aligning function incorporated into the clips. As best seen inFIGS. 1 and 7 , clips 36 may be aligned in two adjacent rows with a cross-tee 40. -
Clips 36 withchannels 38 allow the stiffener bar, e.g, a small “I” beam to slide, allowing the wood panel to grow and shrink, but maintain acceptable flatness. -
Clips 36 may be attached topanels 22 by any suitable means, including fastening with hardware such as screws at one or holes in each clip. Other means include adhesives, or other fastening techniques other than hardware. - Stiffener bars 25 are preferably located as close to the edge of the panel as is practical for each particular embodiment. Stiffening close to the edge is generally considered to be more effective at reducing the warping of the panel.
- The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
- The corresponding structures, materials, acts, and equivalents of all means or step plus function elements in the claims are intended to include any structure, material, or act for performing the function in combination with other claimed elements as specifically claimed. The description of the present invention has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the invention. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. A system for securing ceiling panels to an array of suspended bars, the system comprising:
a ceiling panel defining a front face and an opposed back face and a first edge and an opposite second edge, the first and second edges configured to be aligned with the suspended bars;
a first clip coupled to the panel adjacent the first edge of the panel, the first clip defining a channel; and
a first stiffener bar inserted in the channel of the first clip, the channel allowing relative movement of the first stiffener bar and the first clip.
2. The system of claim 1 further comprising a first plurality of clips, each clip defining a channel, the first plurality of clips distributed along the first edge of the panel, and further wherein the first stiffener bar extends through the channels of each of the clips in the first plurality of clips.
3. The system of claim 2 further comprising a second plurality of clips, each clip defining a channel, the second plurality of clips distributed along the second edge of the panel, and further including a second stiffener bar extending through the channels of each of the clips in the second plurality of clips.
4. The system of claim 1 further comprising a second clip coupled to the panel adjacent the second edge of the panel, the second clip defining a second channel; and
a second stiffener bar inserted in the channel of the second clip, the second channel allowing relative movement of the second stiffener bar and the second clip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/865,145 US20130269278A1 (en) | 2012-04-17 | 2013-04-17 | Ceiling tiles |
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US201261625620P | 2012-04-17 | 2012-04-17 | |
US13/865,145 US20130269278A1 (en) | 2012-04-17 | 2013-04-17 | Ceiling tiles |
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US20130269278A1 true US20130269278A1 (en) | 2013-10-17 |
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US13/865,145 Abandoned US20130269278A1 (en) | 2012-04-17 | 2013-04-17 | Ceiling tiles |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875717A (en) * | 1973-08-30 | 1975-04-08 | Wolfgang Moeller | Unitary device for joining removable ceiling tile to hanger member |
US4463537A (en) * | 1982-01-29 | 1984-08-07 | Integrated Ceilings, Inc. | Clip for suspending ceiling panels |
US4471593A (en) * | 1979-03-15 | 1984-09-18 | Douglas Ragland | Fastening clip for panel |
US4490957A (en) * | 1981-06-08 | 1985-01-01 | Globe Illumination | Suspended ceiling structures |
US5239801A (en) * | 1992-08-07 | 1993-08-31 | Wood Ceilings, Inc. | Clip-on wooden drop ceiling |
US6145264A (en) * | 1999-02-01 | 2000-11-14 | Dallaire; Michel | Bracket for suspended ceiling tiles |
US6389771B1 (en) * | 2000-05-09 | 2002-05-21 | Ecophon Ab | Ceiling tile |
US20080086962A1 (en) * | 2006-10-16 | 2008-04-17 | Jahn Peter G | Concealed ceiling panel system |
US20100064618A1 (en) * | 2008-09-15 | 2010-03-18 | Certainteed Corporation | Ceiling tile and edge suspension system |
US20110078970A1 (en) * | 2009-10-01 | 2011-04-07 | Certainteed Corporation | Ceiling tile and edge suspension system |
US20120291397A1 (en) * | 2011-05-17 | 2012-11-22 | Armstrong World Industries, Inc. | Mounting hardware and mounting system for vertical panels |
-
2013
- 2013-04-17 US US13/865,145 patent/US20130269278A1/en not_active Abandoned
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875717A (en) * | 1973-08-30 | 1975-04-08 | Wolfgang Moeller | Unitary device for joining removable ceiling tile to hanger member |
US4471593A (en) * | 1979-03-15 | 1984-09-18 | Douglas Ragland | Fastening clip for panel |
US4490957A (en) * | 1981-06-08 | 1985-01-01 | Globe Illumination | Suspended ceiling structures |
US4463537A (en) * | 1982-01-29 | 1984-08-07 | Integrated Ceilings, Inc. | Clip for suspending ceiling panels |
US5239801A (en) * | 1992-08-07 | 1993-08-31 | Wood Ceilings, Inc. | Clip-on wooden drop ceiling |
US6145264A (en) * | 1999-02-01 | 2000-11-14 | Dallaire; Michel | Bracket for suspended ceiling tiles |
US6389771B1 (en) * | 2000-05-09 | 2002-05-21 | Ecophon Ab | Ceiling tile |
US20080086962A1 (en) * | 2006-10-16 | 2008-04-17 | Jahn Peter G | Concealed ceiling panel system |
US20110067337A1 (en) * | 2006-10-16 | 2011-03-24 | Jahn Peter G | Concealed Ceiling Panel System |
US20100064618A1 (en) * | 2008-09-15 | 2010-03-18 | Certainteed Corporation | Ceiling tile and edge suspension system |
US20110078970A1 (en) * | 2009-10-01 | 2011-04-07 | Certainteed Corporation | Ceiling tile and edge suspension system |
US20120291397A1 (en) * | 2011-05-17 | 2012-11-22 | Armstrong World Industries, Inc. | Mounting hardware and mounting system for vertical panels |
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AS | Assignment |
Owner name: 9WOOD, INC., OREGON Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PFEIFER, NATHAN;COURY, ANDREW;SANTOS, RICHARD;REEL/FRAME:030647/0836 Effective date: 20130604 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |