WO2023242863A1 - A ceiling apparatus and method thereof - Google Patents

A ceiling apparatus and method thereof Download PDF

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Publication number
WO2023242863A1
WO2023242863A1 PCT/IN2023/050555 IN2023050555W WO2023242863A1 WO 2023242863 A1 WO2023242863 A1 WO 2023242863A1 IN 2023050555 W IN2023050555 W IN 2023050555W WO 2023242863 A1 WO2023242863 A1 WO 2023242863A1
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WO
WIPO (PCT)
Prior art keywords
linear element
carrier
linear
elements
ceiling
Prior art date
Application number
PCT/IN2023/050555
Other languages
French (fr)
Inventor
Paari Govindaraju
S.Eniyan SHIVAM
T.Nandha KUMAR
V. Shanmugavel
Original Assignee
Pwds Extrusions Private Limited
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Application filed by Pwds Extrusions Private Limited filed Critical Pwds Extrusions Private Limited
Publication of WO2023242863A1 publication Critical patent/WO2023242863A1/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/34Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
    • E04B9/36Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of parallel slats
    • E04B9/366Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of parallel slats the principal plane of the slats being vertical
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/006Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/12Connections between non-parallel members of the supporting construction
    • E04B9/14Connections between non-parallel members of the supporting construction all the members being discontinuous and laying at least partly in the same plane

Definitions

  • the invention relates to a ceiling apparatus of geometrical shaped closed linear elements in customized shapes. More particularly, the invention relates to a suspended ceiling system comprising of linear elements which offers better aesthetics and hosts services such as acoustics, HVAC, Electrical, Fire Systems, light fixtures, CCTV, PA systems, decorative features and other services which are deemed necessary to be suspended or fixed from True Ceiling providing an aesthetic value to the indoor space with acoustic and light diffusing properties.
  • Linear elements are hanging ceilings that create an ideal atmosphere inside a closed space. They provide a view to any plenum area and concrete ceiling above. They are also used as a remedial installation to control unwanted acoustic issues such as noise and echo effectively, where a distinctive design or improvement is required. They also act as an acoustic element even while partially hiding from the ceiling. However, builders often face challenges while fixing the ceiling linear elements along with HVAC, Electrical, Fire Systems, light fixtures, CCTV, PA systems, decorative features.
  • Conventional methods of false ceiling include using one or more materials such as gypsum boards, mineral fibre boards, metal-based profiles, PVC, wood, calcium silicate, high pressure laminates, which have the disadvantage of being heavy and expensive.
  • materials such as gypsum boards, mineral fibre boards, metal-based profiles, PVC, wood, calcium silicate, high pressure laminates, which have the disadvantage of being heavy and expensive.
  • Each of the mentioned materials have limitations in terms of complete integration of the services, environmental benefits, usage restrictions, thermal insulation, durability, availability, lead time, ease of installation, cost of production, depleting natural resource, flaking, dust, ease of repair and service, constant maintenance, painting, formation of cracks, aesthetic appeal.
  • Some prior arts relate to a ceiling linear element system only for acoustics and decorative purposes, other features are independently mounted and methods thereof, where the linear elements can be installed onto construction ceiling hangers, to provide an aesthetically pleasing image, such as an undulating pattern, with a reduction in unwanted noise or room acoustics.
  • the principal object of this invention is to provide a simplified structure of a ceiling apparatus comprising a light weight and rigid material for a linear element and offer higher UV resistance.
  • a further object of the invention is to provide a minimal support structure for suspending the linear element from the true ceiling.
  • Another object of the invention is to provide a space with one or more chambers for electrical wiring, with less installation process.
  • Another object of the invention is to provide a ceiling apparatus comprising lengthier linear element made of less heavy material to avoid multiple assembling during installation.
  • Another object of the invention is to provide a ceiling apparatus comprising acoustic properties by employing perforated and infusing acoustic materials.
  • Another object of the invention is to provide a ceiling apparatus with multiple chambers to accommodate Various direct and indirect lighting elements within the profile.
  • Another object of the invention is to provide a ceiling apparatus comprising an infill which acts as both acoustic and light diffusing and reflecting properties, as well as creating a complete look and making it visually appealing.
  • Another object of the invention is to provide a ceiling apparatus comprising special fixing brackets for sprinklers, alarms in the structure without disturbing its function, the aesthetic look or arrangement of a suspended ceiling.
  • Another object of the invention is to provide a ceiling apparatus which fixes linear elements to utilize minimal/no mechanical fixtures or fasteners to install into the Carriers.
  • Another object of the invention is to provide a ceiling apparatus providing provision for HVAC within the suspended ceiling.
  • Another object of the invention is to provide a ceiling apparatus comprising different geometrical patterns using the linear element.
  • Another object of the invention is to provide a ceiling apparatus comprising an apparatus of light weight material which has good durability.
  • Another object of the invention is to provide a ceiling apparatus comprising a linear element which can be used for both interior and exterior applications.
  • Another object of the invention is to provide a ceiling apparatus to reduce the installation costs, easy to dismantle and reuse the linear element, and provides cost effective recycling, thereby adding further environmental benefits.
  • FIG. 1 illustrates an isometric view of at least one linear element fixed on to at least one carrier, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of at least one linear element fixed on to a predrilled slotted angle, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of at least one linear element is snap fitted to at least one elongated bracket, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of at least one linear element connected to at least one carrier by means of washer and bolt, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of the at least one linear element with a provision to adjust the at least one cross web, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of the at least one linear element with a provision and the at least one cross web, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment
  • FIG. 1 illustrates an isometric view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of different heights of the at least one linear element 108 fixed to the at least one carrier, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of different heights of the at least one linear element with multi chamber for mounting at least one surface installing appliance, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of at least one linear element with at least one surface installing appliance, in accordance with an embodiment
  • FIG. 1 illustrates an isometric view of the lighting fixture, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of the ceiling apparatus as disclosed in the present invention, in accordance with an embodiment
  • FIG. 1 illustrates a cross sectional view of arrangement of the at least one lighting element fixed to the at least one carrier, in accordance with an embodiment
  • FIG. 1 illustrates a method for suspended ceiling, in accordance with an embodiment.
  • a suspended ceiling system is a structure that comprises anchor fasteners, suspension rods, carriers, linear elements, and surface installing appliances.
  • the anchor fasteners are designed to provide a firm support to at least one surface, and the suspension rods are used to create an adjustable gap between the surface and the carrier.
  • the linear element which is connected to the carrier, provides a housing for casing the surface installing appliance, and it can be made of different materials such as UPVC, steel, and wood, depending on the user’s requirements.
  • the carrier comprises a slot and a hole to connect the suspension rod and the linear element by mechanical fixtures, and an infill that provides additional support for mounting the surface installing appliance, creating a complete look, and making it visually appealing.
  • the system is versatile and can be modified based on user requirements, such as changing the shape and height of the linear element, rearranging the cross web to create more space in the partition, and attaching the linear element to one another for mounting the surface installing appliance.
  • the term “comprising” means that other steps and other components that do not affect the end result may be utilized.
  • the term “comprising” encompasses the expressions “consisting of,” and “consisting essentially of.”
  • the expression “effective amount,” as used herein denotes an amount of a compound or composition sufficient to significantly induce a positive benefit, preferably an oral health benefit, but low enough to avoid serious side effects, i.e., to provide a reasonable benefit to risk ratio, within the sound judgment of a person having ordinary skill in the art.
  • the use of singular identifiers such as “the,” “a,” or “an” is not intended to be limiting solely to the use of a single component but may include multiple components.
  • the present invention focusses on utilizing a lightweight material, which is also rigid and acts as a good replacement for the conventional materials used for linear elements.
  • the linear element can refer to a board or partition used to direct or control the flow of air, water, or heat.
  • a linear element may be installed in an attic to control the flow of air and prevent heat loss.
  • the linear element material used is Un-plasticized Polyvinyl Chloride (UPVC), which has great properties comprising strength, durability, enhanced fire properties, erosion and is also recyclable.
  • UPVC Un-plasticized Polyvinyl Chloride
  • the linear elements made of UPVC, which comprise elongated structures in the shape of square or rectangular closed boxes in multiple widths and heights. These linear elements can be placed in singular size or in a plurality of sizes with standard /custom spacing between the linear elements or custom patterns as per the user’s design requirement.
  • the linear elements can be fixed or positioned to predrilled metal carriers or angles in a defined spacing or custom spacing suspended from the true ceiling.
  • These elongated structures are henceforth termed as linear elements and the linear elements are not constricted to any geometrical shapes, and may comprise one or more shapes comprising square, rectangular, triangular, oval, circular, any polygonal shaped, and the like.
  • the UPVC material used is obtained by twin-screw extrusion process for good efficiency.
  • the twin-screw extrusion process provides better control of process parameters, remarkable mixing capability, high level of process flexibility, better control of process parameters, higher process productivity, saving power and reducing cost of production, continuous production process unlike batch process in single screw extruder.
  • composition of this material comprises PVC of 75% to 80%, as well as at least one of CaCO3, TiO2, impact modifier, processing aid, and CaZn stabilizer.
  • the UPVC linear elements extruded in the twin-screw extrusion method are more suitable for shaping into any shapes such as square or rectangular, which can be of pre-defined standard dimensions or customized as per the requirement of the users.
  • the linear elements made have a density of 1.5 g/cm3, which is light in weight and helps in reducing the overall structural load over the true ceiling.
  • steel has a density of 7.9 g/cm3.
  • the linear elements are in the form of linear elements made of UPVC, but not limited to UPVC it can be at least one steel, wood or wood-based materials, carbon fiber and any other type of materials.
  • the term like ceiling, or ceiling system should be understood to include other surfaces like wall, etc., as this invention is equally applicable to such applications.
  • the suspended ceiling 100 comprising simplified support structures as illustrated in , illustrates an isometric view of at least one linear element fixed on to at least one carrier.
  • the figure depicts at least one anchor fastener 102 which is used for providing firm support with at least one surface 109, to which at least one suspension rod 104 is mechanically fastened to at least one carrier 106.
  • the at least one surface 109 is considered as a ceiling.
  • the at least one carrier 106 comprises rigid support material which has the provision for fixing at least one linear element 108 in an array.
  • the suspended ceiling 100 for any space comprises at least one carrier 106, suspended from the at least one surface 109 by means of the at least one suspension rod 104 fixed to the at least one anchor fastener 102.
  • the at least one carrier 106 are distanced apart at a predefined distance to accommodate the one or more linear elements 108 suitable for a required length and design configuration.
  • the at least one carrier 106 comprises hard metal plates or rods with multiple drilled slots and holes for affixing heavy things using at least one fixtures and fasteners like washers, stove bolts, lag screws, lag bolts, brackets, washers, and bolts suitably.
  • the length and the number of linear elements used in the at least one surface 109 decide the length and breadth of the at least one surface 109.
  • the at least one carrier 106 are in turn supported to the at least one surface 109 by means of respective anchoring for the required particular type of at least one surface 109.
  • the at least one surface 109 comprises at least one horizontal surface, at least one vertical surface, at least one parallel surface, at least one perpendicular surface.
  • FIG. 1 illustrates a cross sectional view of at least one linear element fixed on to a predrilled slotted angle, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of at least one linear element is snap fitted to at least one elongated bracket, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of at least one linear element connected to at least one carrier by means of washer and bolt, in accordance with an embodiment.
  • the at least one carrier 106 comprises a slotted L-angle, which shows the slots 110 in at least one axis of the at least one carrier 106 throughout its length, where the at least one suspension rod 104 is fastened to one of the slots in the at least one carrier 106 by means of washer and bolt or at least one mechanical fixtures or fasteners.
  • the at least one linear element 108 is connected to the at least one carrier 106 by means of at least one bracket 112, where the extended part of the at least one linear element 108 is tightly held in between the at least one bracket 112, and the at least one carrier 106.
  • the at least one carrier 106 is designed to bear the load of the said invention.
  • the at least one linear element 108 is connected to the at least one carrier 106 by means of at least one bracket 112, but not limited to the at least one bracket 112 it can be at least one elongated bracket 114 as shown in , and at least one washer and bolt 116 as shown in .
  • the at least one bracket 204 or at least one washer and bolt 304 or at least one elongated bracket can be developed for various services and is not limited to sprinkler system, speakers, and light fixtures as specified.
  • the mechanical fixtures or fasteners are not limited to the ones shown here, accordingly the way of mechanically fixing or attaching the parts may differ to comply with the requirement.
  • FIG. 1 illustrates a cross sectional view of at least one infill positioning, in accordance with an embodiment.
  • the space in between the one or more linear elements 108, exposing the at least one carrier 106, is closed by at least one infill 118 of a material similar to the at least one linear element to create a complete look as well as make it visually appealing.
  • the at least one infill 118 provides additional support for lighting, audio/video, sprinklers, alarms, CCTV, and any other services deemed to be fitted along with the system. It further enhances the aesthetic appeal of the space by closing the cavity between the linear elements.
  • a further advantage of the at least one infill 118 is that it can also be perforated and added with acoustic material for enhancing the acoustics of the space.
  • At least one infill 118 can also help in better light dispersion and improves the ambient lighting of the space when lighting element is added into the at least one linear element for indirect lighting and when the linear element is used as a decorative lighting element.
  • the at least one linear element 108 is a basic unit of the present invention with which the entire system of the suspended ceiling has been modified and designed.
  • the structure of the at least one linear element of any geometrical structure such as a square, rectangle, triangle, or any customized shape.
  • FIG. 1 illustrates a cross sectional view of the at least one linear element, in accordance with an embodiment.
  • the at least one linear element 108 comprises an upper face 122, a bottom face 128 and side faces 124 on either side of the linear element. Outer edges on the upper face 122 of the at least one linear element 108 on either side are formed into inward flange as depicted in . These inward flanges 120 snap fit to predrilled and defined modules as represented in of the at least one carrier or supported to angles by means of brackets designed for the at least one linear element size.
  • the upper face 122 extends downwards as side face 124 and both side faces 124 ends at the bottom to form the bottom face 128.
  • the upper face 122, side face 124 and the bottom face 128 all constitute the same thickness.
  • the middle portion of the at least one linear element 108 comprises at least one cross web 126, which partition the at least one linear element 108 into narrow channel or panels or conduits.
  • the at least one cross web 126 bisect the space inside into small chambers or panels or conduits, throughout the length of the at least one linear element 108. These panels provide a housing for casing the at least one surface installing appliance.
  • the at least one surface installing appliance comprises at least one lighting, audio/video, alarms, CCTV, speakers, fire sprinklers, electric wiring, data cables, HVAC pipes, lighting, or any other appliances.
  • FIG. 1 illustrates a cross sectional view of the at least one linear element with a provision to adjust the at least one cross web, in accordance with an embodiment.
  • the at least one linear element 108 comprises at least one provision 128 for installing cross web, which can be easily rearranged to change the partition and create more space within the ceiling system.
  • FIG. 1 illustrates a cross sectional view of the at least one linear element with a provision and the at least one cross web, in accordance with an embodiment.
  • the suspended ceiling system includes at least one linear element 108 which comprises at least one provision 128 that allows for the installation of a cross web, to adjust, and to create more space in the partition for at least one surface installing appliance. At least one provision 128 made in the at least one linear element 108 for changing the position of the at least one cross web 126a by removing the at least one cross web 126b.
  • FIG. 1 illustrates a cross sectional view of the at least one cross web, in accordance with an embodiment.
  • At least one cross web 126 is a structural component provided within the linear element of a suspended ceiling system that is configured to provide a partition wall and create one or more chambers for separating the various surface installing appliances, such as lighting, audio/video, alarms, CCTV, speakers, fire sprinklers, electric wiring, data cables, and HVAC pipes.
  • the cross web is adjustable and can be rearranged to create more space in the partition by placing at least one provision in the linear element, which enables the cross web to be changed. This allows the system to be customized and adapted to different user requirements and applications.
  • the cross web also provides additional strength and support to the linear element, ensuring that it can withstand the weight of the various surface installing appliances and remain securely in place.
  • the number of the at least one cross web depends on the height of the at least one linear element 108 design and services to be accommodated, hence the cross web may vary.
  • the cross webs 126 are intermediate supports for the outer skin of the at least one linear element 108 which prevents the at least one linear element 108 from structural failure when mounted by snap fit on to the support system.
  • the at least one cross web 126 provides strength and maintains the straightness of the linear element along the height.
  • the cross webs as represented provide additional support for mounting light fixtures within the linear element. Additionally, the at least one cross web 126 provides insulation, apart from compartmentalization and management of different types of cables when the linear elements 108 are used as conduits or wire managers in the ceiling system.
  • the linear element 108 is made of UPVC material and are extruded with required uniform wall thickness as per the requirement of the various accessories to be accommodated with intermediate the at least one cross web 126 along the shorter span of the section.
  • the at least one linear element 108 made of UPVC has a density as low as 1.5 g/cm3, which is light in weight and helps in reducing the overall structural load over the true ceiling.
  • These UPVC linear elements 108 considerably reduce the load on structures.
  • the at least one linear element 108 made of UPVC material is 100% recyclable and the process for producing and recycling comparatively consumes less energy to recycling other metals, which helps in better energy management and adds value to environmental benefits.
  • the UPVC linear element 108 is not limited to UPVC it can be at least one of steel, carbon fiber, and other metals or resin or any other polymers.
  • FIG. 1 illustrates a cross sectional view of the at least one linear element with inward flanges, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of at least one panel, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment.
  • FIG. 1 illustrates an isometric view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment.
  • the figures 6a to 6d depicts the suspended ceiling system includes one or more linear elements 108 that are designed to provide housing for the at least one surface installing appliances, such as lighting fixtures, HVAC pipes, and electrical cables.
  • the at least one linear element 108 can be snapped to at least one panel 130 together to create a new multi chamber.
  • the snap-fitting mechanism ensures that the one or more linear elements and the at least one panel 130 remain securely connected, providing a stable and reliable support structure for the surface installing appliances. This also enables easy maintenance and replacement of the appliances in case of malfunction or upgrade.
  • the snap-fitting feature of the one or more linear elements and the at least one panel 130 adds to the versatility and functionality of the suspended ceiling system, making it a practical and adaptable solution for various commercial and residential applications.
  • FIG. 1 illustrates a cross sectional view of different heights of the at least one linear element 108 fixed to the at least one carrier, in accordance with an embodiment.
  • the one or more linear elements 108 may be of any height, based on the number of cross webs 126 required to accommodate the customized different purposes or services. Three different heights of the at least one linear element 108 fixed to the at least one carrier 106. The heights of the at least one linear element 108 are based on the requirement for accommodating the services through it and for enhancing aesthetic appeal.
  • FIG. 1 illustrates a cross sectional view of different heights of the at least one linear element with multi chamber for mounting at least one surface installing appliance, in accordance with an embodiment.
  • the height, shape, and design of the one or more linear elements 108 can be customized based on the required number of cross webs 126 to accommodate different purposes or services. illustrates three different designs of the at least one linear element 108 to accommodate lighting fixtures and other surface installing appliances, which are fixed to the at least one carrier 106 using inward flanges 120.
  • FIG. 1 illustrates a cross sectional view of the at least one linear element directly mounted to the at least one surface, in accordance with an embodiment.
  • the one or more linear elements 108 of the suspended ceiling system can be directly attached to the at least one surface in a variety of ways based on the specific needs and preferences of the user. This allows for a high degree of customization in the installation process, as the linear elements can be connected to the surface in the manner that is most suitable for the particular space and application.
  • FIG. 1 illustrates an isometric view of the at least one linear element with perforation and acoustic material, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of the shape and design of different perforations, in accordance with an embodiment.
  • the at least one linear element 108 has one or more perforations 134 on its sides for intrusion of the sound.
  • the at least one linear element 108 is inserted with the acoustic material 132 utilizing space of the at least one linear element 108.
  • the perforations differ depending on the purpose of it and based on the requirement. Different perforations 134 are also illustrated in and are not limited to those shown in figure.
  • the said invention can be perforated without loss of the structural integrity of the member in standard perforation pattern or customized pattern by means of CNC perforations for any customized perforations.
  • the perforation provides additional acoustic properties by having a better Noise reduction coefficient by dispersing the sound waves within the element.
  • the acoustic properties can be further enhanced by infilling the at least one linear element with mineral wool or rock wool or acoustical tissue or acoustical non-woven textile or any other acoustic infill which are readily available in the market.
  • the acoustic properties can be further enhanced with the use of infill panels, which can be placed in between the at least one linear element with or without perforation.
  • Use of rockwool/acoustic tissue/acoustic non-woven textile or any other acoustic infill improves the acoustic property.
  • FIG. 1 illustrates a cross sectional view of at least one linear element with at least one surface installing appliance, in accordance with an embodiment.
  • the one or more linear elements 108 are utilized for various applications or to accommodate different at least one surface installing appliance.
  • the application is not limited to as specified here, it may also be construed to apply for the ventilation/aeration supporting, for supporting air conditioning, etc.
  • FIG. 1 illustrates a cross sectional view of the various patterns and custom designs of linear element arrangement, in accordance with an embodiment.
  • the at least one linear element 108 can also be arranged in different possible ways apart from giving the narrow linear arrangement.
  • the other ways of arrangement are not limited to as represented in , which shows the various patterns and custom designs of linear element arrangement or can be arranged as per the user’s requirement.
  • FIG. 1 illustrates a cross sectional view of the various shapes and custom designs of linear element design, in accordance with an embodiment.
  • the shape and design of the at least one linear element 108 are flexible and can be customized according to user requirements, including but not limited to shapes such as squares, rectangles, circles, u-shapes, and triangles, as illustrated in .
  • FIG. 1 illustrates an isometric view of the lighting fixture, in accordance with an embodiment.
  • the lighting fixture comprises the provision for lighting element 136 and the lighting diffuser region 138, with suitable diffusing material for the light.
  • the structure of the lighting fixture is also designed the same as the at least one linear element 108 to appear uniform.
  • FIG. 1 illustrates an isometric view of various positions of the lighting fixture placed on the linear element, in accordance with an embodiment.
  • the lighting fixtures can be installed in different positions above the linear element depending on the user's preference. For instance, the lighting fixtures may be placed at regular intervals along the linear element or clustered in specific areas for increased illumination. The flexibility in positioning the lighting fixtures provides a level of customization to suit the user's lighting needs and aesthetic preferences.
  • FIG. 1 illustrates a cross sectional view of the ceiling apparatus as disclosed in the present invention, in accordance with an embodiment.
  • FIG. 1 illustrates a cross sectional view of arrangement of the at least one lighting element fixed to the at least one carrier, in accordance with an embodiment.
  • the at least one suspension rod 104 supporting the at least one linear element 108, and the at least one carrier 106 which is a slotted L-angle acting as a fixture for the at least one linear element 108.
  • the one or more linear element 108 are arranged in an array as customized.
  • the rest of the portions which are not covered by the at least one linear element 108 based on user requirement are filled by the at least one infill 118 for a uniform look.
  • the data cables and electrical wirings required for that built space are kept intact and hidden within the at least one linear element 108.
  • the lighting element and acoustic material are inserted in the appropriate places as per the customized requirement.
  • the sprinklers 140 are fixed to the at least one carrier 106 with the sprinkler mounting plates 142 in such a way that only the sprinkler part will be visible, for providing reachability on dousing.
  • the ceiling speakers 144 are mounted using appropriate speaker mounts 146.
  • the ceiling lighting fixture modules 148 are mounted with the lighting elements by the means of ceiling lighting fixture mounting plates 150. As represented the audio/video equipment, alarm systems, fire sprinklers, and any other fitting deemed necessary to be suspended from the true ceiling can be supported directly on to the carrier system or to the linear elements with additional bracket system within the specified load as per design.
  • the lighting elements 136 ( ) are further accommodated in the external flanges 152 extending from the at least one cross web 126 of the at least one linear element 108.
  • This way of arrangement of the at least one lighting element 136 fixed to the at least one carrier 106 as illustrated in reflects the light towards the at least one infill 118 and then it diffuses creating an even lighting in the indoor space for improving the ambient lighting of the space when lighting element is added into the linear element for indirect lighting.
  • the method involved in the present system 1800 is illustrated in , comprising suspending the suspension rods to the anchor fastener, as depicted at step 1802, fastening the pre-drilled carrier to the suspension rods, as depicted at step 1804, and fixing the linear elements in an array with the mechanical fixtures as depicted in step 1806 further followed by inserting any electrical wirings, data cables inside the provision for the cable and means within the linear elements, as depicted at step 1808.
  • the method 1800 further comprises inserting the acoustic means and lighting means in the respective panels, as depicted at step 1810, and mounting the ceiling speakers, and fire sprinklers with the appropriate mounting plates and fixtures in provision between the linear element, as depicted at step 1812.
  • the method further comprises providing electrical and audio connectivity, the light diffuses evenly through the diffusing means and audio outputs with acoustic balance, as depicted at step 1814, and activating sprinklers, water sprays from the directly without any obstacles in between 1816.
  • the method for suspended ceiling involved in the present system 1900 is illustrated in , comprising configuring at least one anchor fastener 102 to provide a firm support with the at least one surface, wherein the at least one anchor fastener 102 connected to at least one surface, as depicted at step 1902, configuring at least one suspension rod 104 to provide an adjustable gap between the at least one surface and at least one carrier 106, wherein the at least one suspension rod 104 connected to the anchor fastener 102, as depicted at step 1904, and configuring the at least one carrier 106 to hold at least one linear element 108 and at least one surface installing appliance, wherein the at least one carrier 106 operatively connected to the suspension rod 104, as depicted in step 1906 further followed by configuring the at least one linear element 108 to provide a housing for casing the at least one surface installing appliance, wherein the at least one linear element 108 operatively connected to the at least one carrier 106, as depicted at step 1908.
  • the method 1900 further configuring at least one cross web (126) to provide a partition wall to create one or more multi-chambers for separating and accommodating the one or more surface installing appliance and conventional lighting elements for direct and indirect illumination, wherein the at least one cross web (126) is provided within the at least one linear element (108), as depicted at step 1910.
  • the product has been subjected to Accelerated Weathering Testing which is necessary to ensure that materials and products meet the expected functionality and lifetime.
  • Accelerated Weathering Testing An array of variables exist that ensure that the effects of ageing and weathering are hard to predict and as such can cause problems in the future which may reflect upon the product later.
  • the product was exposed under defined conditions such as heat, UV, and other stress to determine its critical properties before and after exposure.
  • the uPVC material utilized in our invention for linear elements has obtained 1.6 as the result, which proves that the material used is more suitable for application and the material resists UV exposure. This fact reveals that the material used in the present invention is safer in terms of UV exposure, further it is lucid that it is not only suitable for indoors, but also for outdoors, which is also claimed in the present invention.
  • This test method covers the measurement of the sound absorptive properties of a product in a reverberation room.
  • the amount of sound absorption provided by the product is determined by measuring the decay rate of the broadband noise when it switched on and off in the room.
  • the sound absorption of the reverberation room must be determined. This test is accomplished by generating a high level of broadband noise into the room, turning it off, and measuring the time it takes for the sound level to drop 25 decibels. This is done simultaneously for frequencies ranging from 80 to 5000 hertz. The sound decay rate is measured 10 times at each of the five microphone locations and decays are averaged to determine the “Empty Room” absorption. The test specimen will then be installed in the room and another 50 decays will be measured.
  • the NRC (Noise Reduction Coefficient) rating is the average of the absorption coefficients at 250, 500, 1000 and 2000 hertz, rounded to the nearest multiple 0.05.
  • the at least one linear element 108 of the present invention can be finished with additional elements with use of PVC film or can be printed on the outer faces which gives the user multiple choice of patterns and colours which further enhances the aesthetic appeal of the invention.
  • Table 4 Thermal Characteristics Tests S.No Parameter Test Method Result Unit 1 Horizontal Flammability Rate of burning Self-Extinguishing mm/min 2 Oxygen Index Test ASTM D 2863 43.8 % 3 Smoke Density Test Appendix-5 of UIC 564 2 OR Class -- 4 Toxicity Index NCD:1409 0.98 -- 5 Flammability Test UL 94 V-0 --
  • the at least one linear element is also made performance test of uPVC profile against electric voltage.
  • the at least one linear element is also tested for point load analysis.
  • Table 6 Point load analysis test S.No Parameter Test Method Result Unit 1 Screw Holding -- 280.06 N
  • linear elements can be adapted with dynamic and parametric features either mechanized or non-mechanized in the ceiling and wall applications.
  • the linear elements can be extruded with any new polymers and resins as the technology in the polymers brings in new raw materials.
  • the linear elements can be applied on any surface such as and not limiting to tables, reception counters, door facia, fencing application, building elevation for improving aesthetics, lighting, acoustics, or to host other services such as HVAC, support for other elements.
  • Applications of the current invention include any building, suspended from true ceiling by means of a sub structure, wall surfaces, partitions, door facia, compound wall, façade, glass, cladded surface, and location requiring a linear element ceiling.

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Abstract

A suspended ceiling system and method comprises anchor fasteners (102), suspension rods (104), carriers (106), linear elements (108), and surface installing appliances. The anchor fasteners are connected to at least one surface (109) and provide firm support, while the suspension rods create an adjustable gap between the surface and the carrier. The carrier (106) holds the linear element (108), which provides a housing for the surface installing appliance, and the linear element (108) can be modified in shape and height based on user requirements. The linear element (108) The suspended ceiling system is versatile and can be modified to meet the specific needs of a user requirements.

Description

A ceiling apparatus and method thereof
The invention relates to a ceiling apparatus of geometrical shaped closed linear elements in customized shapes. More particularly, the invention relates to a suspended ceiling system comprising of linear elements which offers better aesthetics and hosts services such as acoustics, HVAC, Electrical, Fire Systems, light fixtures, CCTV, PA systems, decorative features and other services which are deemed necessary to be suspended or fixed from True Ceiling providing an aesthetic value to the indoor space with acoustic and light diffusing properties.
Linear elements are hanging ceilings that create an ideal atmosphere inside a closed space. They provide a view to any plenum area and concrete ceiling above. They are also used as a remedial installation to control unwanted acoustic issues such as noise and echo effectively, where a distinctive design or improvement is required. They also act as an acoustic element even while partially hiding from the ceiling. However, builders often face challenges while fixing the ceiling linear elements along with HVAC, Electrical, Fire Systems, light fixtures, CCTV, PA systems, decorative features.
Conventional methods of false ceiling include using one or more materials such as gypsum boards, mineral fibre boards, metal-based profiles, PVC, wood, calcium silicate, high pressure laminates, which have the disadvantage of being heavy and expensive. Each of the mentioned materials have limitations in terms of complete integration of the services, environmental benefits, usage restrictions, thermal insulation, durability, availability, lead time, ease of installation, cost of production, depleting natural resource, flaking, dust, ease of repair and service, constant maintenance, painting, formation of cracks, aesthetic appeal.
Some prior arts relate to a ceiling linear element system only for acoustics and decorative purposes, other features are independently mounted and methods thereof, where the linear elements can be installed onto construction ceiling hangers, to provide an aesthetically pleasing image, such as an undulating pattern, with a reduction in unwanted noise or room acoustics.
Other prior arts relate to noise reduction apparatus and method of making and using the same, where the panels have holes to receive the rein for absorbing the sound waves between the panels. The panels are attached to the frame or other connecting structure over a workspace. The light fixture is incorporated to the true ceiling separately with the panel which hangs from the ceiling. The panels are made of glass, wood, or other types of material.
These prior arts discuss about a quick and easy installation onto ceiling hangers without the need for additional tools, noise reduction and with different engineering designs and material of the linear elements. However, none of the prior arts provide a solution to the weight of the linear element’s material, an additional space for electrical wiring in its design, utilization of a simple and minimal support structure for the linear element, along with facilitating the acoustics, firefighting systems, and Integration of lighting fixtures within the linear elements.
Thus, in light of the above discussion, it is implied that there is need for a system and method for a linear element ceiling, which is reliable and does not suffer from the problems discussed above.
Object of Invention
The principal object of this invention is to provide a simplified structure of a ceiling apparatus comprising a light weight and rigid material for a linear element and offer higher UV resistance.
A further object of the invention is to provide a minimal support structure for suspending the linear element from the true ceiling.
Another object of the invention is to provide a space with one or more chambers for electrical wiring, with less installation process.
Another object of the invention is to provide a ceiling apparatus comprising lengthier linear element made of less heavy material to avoid multiple assembling during installation.
Another object of the invention is to provide a ceiling apparatus comprising acoustic properties by employing perforated and infusing acoustic materials.
Another object of the invention is to provide a ceiling apparatus with multiple chambers to accommodate Various direct and indirect lighting elements within the profile.
Another object of the invention is to provide a ceiling apparatus comprising an infill which acts as both acoustic and light diffusing and reflecting properties, as well as creating a complete look and making it visually appealing.
Another object of the invention is to provide a ceiling apparatus comprising special fixing brackets for sprinklers, alarms in the structure without disturbing its function, the aesthetic look or arrangement of a suspended ceiling.
Another object of the invention is to provide a ceiling apparatus which fixes linear elements to utilize minimal/no mechanical fixtures or fasteners to install into the Carriers.
Another object of the invention is to provide a ceiling apparatus providing provision for HVAC within the suspended ceiling.
Another object of the invention is to provide a ceiling apparatus comprising different geometrical patterns using the linear element.
Another object of the invention is to provide a ceiling apparatus comprising an apparatus of light weight material which has good durability.
Another object of the invention is to provide a ceiling apparatus comprising a linear element which can be used for both interior and exterior applications.
Another object of the invention is to provide a ceiling apparatus to reduce the installation costs, easy to dismantle and reuse the linear element, and provides cost effective recycling, thereby adding further environmental benefits.
This invention is illustrated in the accompanying drawings, throughout which, like reference letters indicate corresponding parts in the various figures.
The embodiments herein will be better understood from the following description with reference to the drawings, in which:
Fig. 1
illustrates an isometric view of at least one linear element fixed on to at least one carrier, in accordance with an embodiment;
Fig. 2a
illustrates a cross sectional view of at least one linear element fixed on to a predrilled slotted angle, in accordance with an embodiment;
Fig. 2b
illustrates a cross sectional view of at least one linear element is snap fitted to at least one elongated bracket, in accordance with an embodiment;
Fig. 2c
illustrates a cross sectional view of at least one linear element connected to at least one carrier by means of washer and bolt, in accordance with an embodiment;
Fig. 3
illustrates a cross sectional view of at least one infill positioning, in accordance with an embodiment;
Fig. 4
illustrates a cross sectional view of the at least one linear element, in accordance with an embodiment;
Fig. 5a
illustrates a cross sectional view of the at least one linear element with a provision to adjust the at least one cross web, in accordance with an embodiment;
Fig. 5b
illustrates a cross sectional view of the at least one linear element with a provision and the at least one cross web, in accordance with an embodiment;
Fig. 5c
illustrates a cross sectional view of the at least one cross web, in accordance with an embodiment;
Fig. 6a
illustrates a cross sectional view of the at least one linear element with inward flanges, in accordance with an embodiment;
Fig. 6b
illustrates a cross sectional view of at least one panel, in accordance with an embodiment;
Fig. 6c
illustrates a cross sectional view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment;
Fig. 6d
illustrates an isometric view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment;
Fig. 7
illustrates a cross sectional view of different heights of the at least one linear element 108 fixed to the at least one carrier, in accordance with an embodiment;
Fig. 8
illustrates a cross sectional view of different heights of the at least one linear element with multi chamber for mounting at least one surface installing appliance, in accordance with an embodiment;
Fig. 9
illustrates a cross sectional view of the at least one linear element directly mounted to the at least one surface, in accordance with an embodiment;
Fig. 10a
illustrates an isometric view of the at least one linear element with perforation and acoustic material, in accordance with an embodiment;
Fig. 10b
illustrates a cross sectional view of the shape and design of different perforations, in accordance with an embodiment;
Fig. 11
illustrates a cross sectional view of at least one linear element with at least one surface installing appliance, in accordance with an embodiment;
Fig. 12
illustrates a cross sectional view of the various patterns and custom designs of linear element arrangement, in accordance with an embodiment;
Fig. 13
illustrates a cross sectional view of the various shapes and custom designs of linear element design, in accordance with an embodiment;
Fig. 14
illustrates an isometric view of the lighting fixture, in accordance with an embodiment;
Fig. 15
illustrates an isometric view of various positions of the lighting fixture placed on the linear element, in accordance with an embodiment;
Fig. 16
illustrates a cross sectional view of the ceiling apparatus as disclosed in the present invention, in accordance with an embodiment;
Fig. 17
illustrates a cross sectional view of arrangement of the at least one lighting element fixed to the at least one carrier, in accordance with an embodiment;
Fig. 18
illustrates the method of performing the apparatus, in accordance with an embodiment; and
Fig. 19
illustrates a method for suspended ceiling, in accordance with an embodiment.
Statement of Invention
A suspended ceiling system is a structure that comprises anchor fasteners, suspension rods, carriers, linear elements, and surface installing appliances.
The anchor fasteners are designed to provide a firm support to at least one surface, and the suspension rods are used to create an adjustable gap between the surface and the carrier.
The linear element, which is connected to the carrier, provides a housing for casing the surface installing appliance, and it can be made of different materials such as UPVC, steel, and wood, depending on the user’s requirements.
The carrier comprises a slot and a hole to connect the suspension rod and the linear element by mechanical fixtures, and an infill that provides additional support for mounting the surface installing appliance, creating a complete look, and making it visually appealing.
The system is versatile and can be modified based on user requirements, such as changing the shape and height of the linear element, rearranging the cross web to create more space in the partition, and attaching the linear element to one another for mounting the surface installing appliance.
The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and/or detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
Exemplary embodiments will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this invention will be thorough and complete and will fully convey the scope of the invention to those of ordinary skill in the art. Moreover, all statements herein reciting embodiments of the invention, as well as specific examples thereof, are intended to encompass both structural and functional equivalents thereof. Additionally, it is intended that such equivalents include both currently known equivalents as well as equivalents developed in the future (i.e., any elements developed that perform the same function, regardless of structure).
As used herein, the term "comprising" means that other steps and other components that do not affect the end result may be utilized. The term "comprising" encompasses the expressions "consisting of," and "consisting essentially of." The expression "effective amount," as used herein denotes an amount of a compound or composition sufficient to significantly induce a positive benefit, preferably an oral health benefit, but low enough to avoid serious side effects, i.e., to provide a reasonable benefit to risk ratio, within the sound judgment of a person having ordinary skill in the art. The use of singular identifiers such as "the," "a," or "an" is not intended to be limiting solely to the use of a single component but may include multiple components.
The present invention focusses on utilizing a lightweight material, which is also rigid and acts as a good replacement for the conventional materials used for linear elements.
The linear element can refer to a board or partition used to direct or control the flow of air, water, or heat. For example, a linear element may be installed in an attic to control the flow of air and prevent heat loss.
In an embodiment, the linear element material used is Un-plasticized Polyvinyl Chloride (UPVC), which has great properties comprising strength, durability, enhanced fire properties, erosion and is also recyclable.
In an embodiment, the linear elements made of UPVC, which comprise elongated structures in the shape of square or rectangular closed boxes in multiple widths and heights. These linear elements can be placed in singular size or in a plurality of sizes with standard /custom spacing between the linear elements or custom patterns as per the user’s design requirement. The linear elements can be fixed or positioned to predrilled metal carriers or angles in a defined spacing or custom spacing suspended from the true ceiling. These elongated structures are henceforth termed as linear elements and the linear elements are not constricted to any geometrical shapes, and may comprise one or more shapes comprising square, rectangular, triangular, oval, circular, any polygonal shaped, and the like.
In an embodiment, the UPVC material used is obtained by twin-screw extrusion process for good efficiency. The twin-screw extrusion process provides better control of process parameters, remarkable mixing capability, high level of process flexibility, better control of process parameters, higher process productivity, saving power and reducing cost of production, continuous production process unlike batch process in single screw extruder.
The composition of this material comprises PVC of 75% to 80%, as well as at least one of CaCO3, TiO2, impact modifier, processing aid, and CaZn stabilizer. The UPVC linear elements extruded in the twin-screw extrusion method are more suitable for shaping into any shapes such as square or rectangular, which can be of pre-defined standard dimensions or customized as per the requirement of the users.
The linear elements made have a density of 1.5 g/cm³, which is light in weight and helps in reducing the overall structural load over the true ceiling. When compared to commonly used metals such as aluminium has a density of 2.7 g/cm³, steel has a density of 7.9 g/cm³. Hence, advantageously, UPVC linear elements considerably reduce the load on structures. The linear element in UPVC material which is 100% recyclable, the process for producing and recycling consumes less energy compared to recycling other metals, which helps in better energy management and thus environmentally friendly. Further, continuous maintenance is required for metal based linear elements as they are prone to weathering.
In an embodiment, the linear elements are in the form of linear elements made of UPVC, but not limited to UPVC it can be at least one steel, wood or wood-based materials, carbon fiber and any other type of materials.
In an embodiment, the term like ceiling, or ceiling system should be understood to include other surfaces like wall, etc., as this invention is equally applicable to such applications.
In an embodiment, the suspended ceiling 100 comprising simplified support structures as illustrated in , illustrates an isometric view of at least one linear element fixed on to at least one carrier. The figure depicts at least one anchor fastener 102 which is used for providing firm support with at least one surface 109, to which at least one suspension rod 104 is mechanically fastened to at least one carrier 106. In an embodiment, for the sake of convenience, the at least one surface 109 is considered as a ceiling.
In an embodiment, the at least one carrier 106 comprises rigid support material which has the provision for fixing at least one linear element 108 in an array. The suspended ceiling 100 for any space comprises at least one carrier 106, suspended from the at least one surface 109 by means of the at least one suspension rod 104 fixed to the at least one anchor fastener 102. The at least one carrier 106 are distanced apart at a predefined distance to accommodate the one or more linear elements 108 suitable for a required length and design configuration.
In an embodiment, the at least one carrier 106 comprises hard metal plates or rods with multiple drilled slots and holes for affixing heavy things using at least one fixtures and fasteners like washers, stove bolts, lag screws, lag bolts, brackets, washers, and bolts suitably. The length and the number of linear elements used in the at least one surface 109 decide the length and breadth of the at least one surface 109. The at least one carrier 106 are in turn supported to the at least one surface 109 by means of respective anchoring for the required particular type of at least one surface 109.
In an embodiment, the at least one surface 109 comprises at least one horizontal surface, at least one vertical surface, at least one parallel surface, at least one perpendicular surface.
illustrates a cross sectional view of at least one linear element fixed on to a predrilled slotted angle, in accordance with an embodiment.
illustrates a cross sectional view of at least one linear element is snap fitted to at least one elongated bracket, in accordance with an embodiment.
illustrates a cross sectional view of at least one linear element connected to at least one carrier by means of washer and bolt, in accordance with an embodiment.
In an embodiment, the at least one carrier 106 with the at least one linear element 108 mechanically fastened to the at least one carrier 106. The at least one carrier 106 comprises a slotted L-angle, which shows the slots 110 in at least one axis of the at least one carrier 106 throughout its length, where the at least one suspension rod 104 is fastened to one of the slots in the at least one carrier 106 by means of washer and bolt or at least one mechanical fixtures or fasteners.
The at least one linear element 108 is connected to the at least one carrier 106 by means of at least one bracket 112, where the extended part of the at least one linear element 108 is tightly held in between the at least one bracket 112, and the at least one carrier 106. The at least one carrier 106 is designed to bear the load of the said invention.
In an embodiment, the at least one linear element 108 is connected to the at least one carrier 106 by means of at least one bracket 112, but not limited to the at least one bracket 112 it can be at least one elongated bracket 114 as shown in , and at least one washer and bolt 116 as shown in .
The at least one bracket 204 or at least one washer and bolt 304 or at least one elongated bracket can be developed for various services and is not limited to sprinkler system, speakers, and light fixtures as specified.
In an embodiment, the mechanical fixtures or fasteners are not limited to the ones shown here, accordingly the way of mechanically fixing or attaching the parts may differ to comply with the requirement.
illustrates a cross sectional view of at least one infill positioning, in accordance with an embodiment.
The space in between the one or more linear elements 108, exposing the at least one carrier 106, is closed by at least one infill 118 of a material similar to the at least one linear element to create a complete look as well as make it visually appealing. The at least one infill 118 provides additional support for lighting, audio/video, sprinklers, alarms, CCTV, and any other services deemed to be fitted along with the system. It further enhances the aesthetic appeal of the space by closing the cavity between the linear elements.
A further advantage of the at least one infill 118 is that it can also be perforated and added with acoustic material for enhancing the acoustics of the space.
Further advantage of the at least one infill 118 is that it can also help in better light dispersion and improves the ambient lighting of the space when lighting element is added into the at least one linear element for indirect lighting and when the linear element is used as a decorative lighting element.
The at least one linear element 108 is a basic unit of the present invention with which the entire system of the suspended ceiling has been modified and designed. The structure of the at least one linear element of any geometrical structure such as a square, rectangle, triangle, or any customized shape.
illustrates a cross sectional view of the at least one linear element, in accordance with an embodiment.
The at least one linear element 108 comprises an upper face 122, a bottom face 128 and side faces 124 on either side of the linear element. Outer edges on the upper face 122 of the at least one linear element 108 on either side are formed into inward flange as depicted in . These inward flanges 120 snap fit to predrilled and defined modules as represented in of the at least one carrier or supported to angles by means of brackets designed for the at least one linear element size. The upper face 122 extends downwards as side face 124 and both side faces 124 ends at the bottom to form the bottom face 128. The upper face 122, side face 124 and the bottom face 128 all constitute the same thickness.
The middle portion of the at least one linear element 108 comprises at least one cross web 126, which partition the at least one linear element 108 into narrow channel or panels or conduits. The at least one cross web 126 bisect the space inside into small chambers or panels or conduits, throughout the length of the at least one linear element 108. These panels provide a housing for casing the at least one surface installing appliance.
The at least one surface installing appliance comprises at least one lighting, audio/video, alarms, CCTV, speakers, fire sprinklers, electric wiring, data cables, HVAC pipes, lighting, or any other appliances.
illustrates a cross sectional view of the at least one linear element with a provision to adjust the at least one cross web, in accordance with an embodiment.
The at least one linear element 108 comprises at least one provision 128 for installing cross web, which can be easily rearranged to change the partition and create more space within the ceiling system.
illustrates a cross sectional view of the at least one linear element with a provision and the at least one cross web, in accordance with an embodiment.
The suspended ceiling system includes at least one linear element 108 which comprises at least one provision 128 that allows for the installation of a cross web, to adjust, and to create more space in the partition for at least one surface installing appliance. At least one provision 128 made in the at least one linear element 108 for changing the position of the at least one cross web 126a by removing the at least one cross web 126b.
illustrates a cross sectional view of the at least one cross web, in accordance with an embodiment.
At least one cross web 126 is a structural component provided within the linear element of a suspended ceiling system that is configured to provide a partition wall and create one or more chambers for separating the various surface installing appliances, such as lighting, audio/video, alarms, CCTV, speakers, fire sprinklers, electric wiring, data cables, and HVAC pipes. The cross web is adjustable and can be rearranged to create more space in the partition by placing at least one provision in the linear element, which enables the cross web to be changed. This allows the system to be customized and adapted to different user requirements and applications. In addition, the cross web also provides additional strength and support to the linear element, ensuring that it can withstand the weight of the various surface installing appliances and remain securely in place.
Further advantages of the at least one cross web 126 to receive the End caps and the fixing arrangement of the same.
The number of the at least one cross web depends on the height of the at least one linear element 108 design and services to be accommodated, hence the cross web may vary. The cross webs 126 are intermediate supports for the outer skin of the at least one linear element 108 which prevents the at least one linear element 108 from structural failure when mounted by snap fit on to the support system. The at least one cross web 126 provides strength and maintains the straightness of the linear element along the height. The cross webs as represented provide additional support for mounting light fixtures within the linear element. Additionally, the at least one cross web 126 provides insulation, apart from compartmentalization and management of different types of cables when the linear elements 108 are used as conduits or wire managers in the ceiling system.
The linear element 108 is made of UPVC material and are extruded with required uniform wall thickness as per the requirement of the various accessories to be accommodated with intermediate the at least one cross web 126 along the shorter span of the section.
When compared to commonly used metals for linear element, the at least one linear element 108 made of UPVC has a density as low as 1.5 g/cm³, which is light in weight and helps in reducing the overall structural load over the true ceiling. These UPVC linear elements 108 considerably reduce the load on structures. The at least one linear element 108 made of UPVC material is 100% recyclable and the process for producing and recycling comparatively consumes less energy to recycling other metals, which helps in better energy management and adds value to environmental benefits.
The UPVC linear element 108 is not limited to UPVC it can be at least one of steel, carbon fiber, and other metals or resin or any other polymers.
illustrates a cross sectional view of the at least one linear element with inward flanges, in accordance with an embodiment.
illustrates a cross sectional view of at least one panel, in accordance with an embodiment.
illustrates a cross sectional view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment.
illustrates an isometric view of a provision to snap fitting at least one panel to form multi chamber linear element, in accordance with an embodiment.
The figures 6a to 6d depicts the suspended ceiling system includes one or more linear elements 108 that are designed to provide housing for the at least one surface installing appliances, such as lighting fixtures, HVAC pipes, and electrical cables. The at least one linear element 108 can be snapped to at least one panel 130 together to create a new multi chamber.
By snapping the at one or more linear element 108 and the one or more panel 130 together, a new space can be created within the suspended ceiling system to accommodate additional appliances or to create a more efficient layout. This design allows for flexibility and customization of the ceiling system, as users can easily add or modify the provisions as needed.
Further, the snap-fitting mechanism ensures that the one or more linear elements and the at least one panel 130 remain securely connected, providing a stable and reliable support structure for the surface installing appliances. This also enables easy maintenance and replacement of the appliances in case of malfunction or upgrade.
Overall, the snap-fitting feature of the one or more linear elements and the at least one panel 130 adds to the versatility and functionality of the suspended ceiling system, making it a practical and adaptable solution for various commercial and residential applications.
illustrates a cross sectional view of different heights of the at least one linear element 108 fixed to the at least one carrier, in accordance with an embodiment.
The one or more linear elements 108 may be of any height, based on the number of cross webs 126 required to accommodate the customized different purposes or services. Three different heights of the at least one linear element 108 fixed to the at least one carrier 106. The heights of the at least one linear element 108 are based on the requirement for accommodating the services through it and for enhancing aesthetic appeal.
illustrates a cross sectional view of different heights of the at least one linear element with multi chamber for mounting at least one surface installing appliance, in accordance with an embodiment.
The height, shape, and design of the one or more linear elements 108 can be customized based on the required number of cross webs 126 to accommodate different purposes or services. illustrates three different designs of the at least one linear element 108 to accommodate lighting fixtures and other surface installing appliances, which are fixed to the at least one carrier 106 using inward flanges 120.
illustrates a cross sectional view of the at least one linear element directly mounted to the at least one surface, in accordance with an embodiment.
The one or more linear elements 108 of the suspended ceiling system can be directly attached to the at least one surface in a variety of ways based on the specific needs and preferences of the user. This allows for a high degree of customization in the installation process, as the linear elements can be connected to the surface in the manner that is most suitable for the particular space and application.
illustrates an isometric view of the at least one linear element with perforation and acoustic material, in accordance with an embodiment.
illustrates a cross sectional view of the shape and design of different perforations, in accordance with an embodiment.
The at least one linear element 108 has one or more perforations 134 on its sides for intrusion of the sound. The at least one linear element 108 is inserted with the acoustic material 132 utilizing space of the at least one linear element 108. The perforations differ depending on the purpose of it and based on the requirement. Different perforations 134 are also illustrated in and are not limited to those shown in figure. The said invention can be perforated without loss of the structural integrity of the member in standard perforation pattern or customized pattern by means of CNC perforations for any customized perforations.
The perforation provides additional acoustic properties by having a better Noise reduction coefficient by dispersing the sound waves within the element. The acoustic properties can be further enhanced by infilling the at least one linear element with mineral wool or rock wool or acoustical tissue or acoustical non-woven textile or any other acoustic infill which are readily available in the market.
The acoustic properties can be further enhanced with the use of infill panels, which can be placed in between the at least one linear element with or without perforation. Use of rockwool/acoustic tissue/acoustic non-woven textile or any other acoustic infill improves the acoustic property.
illustrates a cross sectional view of at least one linear element with at least one surface installing appliance, in accordance with an embodiment.
The one or more linear elements 108 are utilized for various applications or to accommodate different at least one surface installing appliance.
The application is not limited to as specified here, it may also be construed to apply for the ventilation/aeration supporting, for supporting air conditioning, etc.
illustrates a cross sectional view of the various patterns and custom designs of linear element arrangement, in accordance with an embodiment.
The at least one linear element 108 can also be arranged in different possible ways apart from giving the narrow linear arrangement. The other ways of arrangement are not limited to as represented in , which shows the various patterns and custom designs of linear element arrangement or can be arranged as per the user’s requirement.
illustrates a cross sectional view of the various shapes and custom designs of linear element design, in accordance with an embodiment.
The shape and design of the at least one linear element 108 are flexible and can be customized according to user requirements, including but not limited to shapes such as squares, rectangles, circles, u-shapes, and triangles, as illustrated in .
illustrates an isometric view of the lighting fixture, in accordance with an embodiment.
The lighting fixture comprises the provision for lighting element 136 and the lighting diffuser region 138, with suitable diffusing material for the light. The structure of the lighting fixture is also designed the same as the at least one linear element 108 to appear uniform.
illustrates an isometric view of various positions of the lighting fixture placed on the linear element, in accordance with an embodiment.
The lighting fixtures can be installed in different positions above the linear element depending on the user's preference. For instance, the lighting fixtures may be placed at regular intervals along the linear element or clustered in specific areas for increased illumination. The flexibility in positioning the lighting fixtures provides a level of customization to suit the user's lighting needs and aesthetic preferences.
illustrates a cross sectional view of the ceiling apparatus as disclosed in the present invention, in accordance with an embodiment.
illustrates a cross sectional view of arrangement of the at least one lighting element fixed to the at least one carrier, in accordance with an embodiment.
The at least one suspension rod 104, supporting the at least one linear element 108, and the at least one carrier 106 which is a slotted L-angle acting as a fixture for the at least one linear element 108. The one or more linear element 108 are arranged in an array as customized. The rest of the portions which are not covered by the at least one linear element 108 based on user requirement are filled by the at least one infill 118 for a uniform look. The data cables and electrical wirings required for that built space are kept intact and hidden within the at least one linear element 108. The lighting element and acoustic material are inserted in the appropriate places as per the customized requirement. The sprinklers 140 are fixed to the at least one carrier 106 with the sprinkler mounting plates 142 in such a way that only the sprinkler part will be visible, for providing reachability on dousing. The ceiling speakers 144 are mounted using appropriate speaker mounts 146. The ceiling lighting fixture modules 148 are mounted with the lighting elements by the means of ceiling lighting fixture mounting plates 150. As represented the audio/video equipment, alarm systems, fire sprinklers, and any other fitting deemed necessary to be suspended from the true ceiling can be supported directly on to the carrier system or to the linear elements with additional bracket system within the specified load as per design.
In an embodiment, the lighting elements 136 ( ) are further accommodated in the external flanges 152 extending from the at least one cross web 126 of the at least one linear element 108. This way of arrangement of the at least one lighting element 136 fixed to the at least one carrier 106 as illustrated in reflects the light towards the at least one infill 118 and then it diffuses creating an even lighting in the indoor space for improving the ambient lighting of the space when lighting element is added into the linear element for indirect lighting.
The method involved in the present system 1800 is illustrated in , comprising suspending the suspension rods to the anchor fastener, as depicted at step 1802, fastening the pre-drilled carrier to the suspension rods, as depicted at step 1804, and fixing the linear elements in an array with the mechanical fixtures as depicted in step 1806 further followed by inserting any electrical wirings, data cables inside the provision for the cable and means within the linear elements, as depicted at step 1808. The method 1800 further comprises inserting the acoustic means and lighting means in the respective panels, as depicted at step 1810, and mounting the ceiling speakers, and fire sprinklers with the appropriate mounting plates and fixtures in provision between the linear element, as depicted at step 1812. The method further comprises providing electrical and audio connectivity, the light diffuses evenly through the diffusing means and audio outputs with acoustic balance, as depicted at step 1814, and activating sprinklers, water sprays from the directly without any obstacles in between 1816.
The method for suspended ceiling involved in the present system 1900 is illustrated in , comprising configuring at least one anchor fastener 102 to provide a firm support with the at least one surface, wherein the at least one anchor fastener 102 connected to at least one surface, as depicted at step 1902, configuring at least one suspension rod 104 to provide an adjustable gap between the at least one surface and at least one carrier 106, wherein the at least one suspension rod 104 connected to the anchor fastener 102, as depicted at step 1904, and configuring the at least one carrier 106 to hold at least one linear element 108 and at least one surface installing appliance, wherein the at least one carrier 106 operatively connected to the suspension rod 104, as depicted in step 1906 further followed by configuring the at least one linear element 108 to provide a housing for casing the at least one surface installing appliance, wherein the at least one linear element 108 operatively connected to the at least one carrier 106, as depicted at step 1908. The method 1900 further configuring at least one cross web (126) to provide a partition wall to create one or more multi-chambers for separating and accommodating the one or more surface installing appliance and conventional lighting elements for direct and indirect illumination, wherein the at least one cross web (126) is provided within the at least one linear element (108), as depicted at step 1910.
The present invention has been induced to practical tests to understand the important parameters such as UV absorption, load bearing capacity and sound absorption efficiency, as these are considered to be essential parameters to choose an alternate. The tests and their results are discussed below.
Table 1. Material Characteristics
S.No Parameter Test Method Result Unit
1 Flexural Strength ASTM D 790 88.3 N/mm2
2 Tensile Strength ASTM D 638 37.6 N/mm2
3 Hardness shore D ASTM D 2240 87 --
4 Tensile Modulus ASTM D 638 1326.7 N/mm2
5 Vicat Softening Point ASTM D 1525 80.8 °C
6 Co-efficient of linear Thermal expansion ASTM E 228 2.22x10^-5 °C
7 Load Bearing Capacity - 317.63 N
8 Density ASTM D 792 1.53 g/cc
9 Izod Impact Strength ASTM D 635 63.2 KJ/m2
10 Thermal Conductivity ASTM E1530 0.167 W/mk
UV ABSORPTION TEST:
The product has been subjected to Accelerated Weathering Testing which is necessary to ensure that materials and products meet the expected functionality and lifetime. An array of variables exist that ensure that the effects of ageing and weathering are hard to predict and as such can cause problems in the future which may reflect upon the product later. The product was exposed under defined conditions such as heat, UV, and other stress to determine its critical properties before and after exposure.
The product has been subjected to accelerated weathering test for 25000 hours at irradiation of 50 GJ/m2. This is specified by the European standards (EN12608) as an equivalent to 20yrs of UV irradiation exposure. As per the EN standard after subjected to the simulation test the ΔE or dE has been fixed a 5 and above which, the material may not be suitable for application.
Table 2. Ultra-Violate test
S.No Parameter Test Method Result Unit
1 Accelerated Weathering Test DIN EN 513 1.6 -
However, the uPVC material utilized in our invention for linear elements has obtained 1.6 as the result, which proves that the material used is more suitable for application and the material resists UV exposure. This fact reveals that the material used in the present invention is safer in terms of UV exposure, further it is lucid that it is not only suitable for indoors, but also for outdoors, which is also claimed in the present invention.
SOUND ABSORPTION TEST:
This test method covers the measurement of the sound absorptive properties of a product in a reverberation room. The amount of sound absorption provided by the product is determined by measuring the decay rate of the broadband noise when it switched on and off in the room.
As specified in the ASTM C423 - Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method, there are two parts to the sound absorption test. The sound absorption of the reverberation room, without a specimen installed, must be determined. This test is accomplished by generating a high level of broadband noise into the room, turning it off, and measuring the time it takes for the sound level to drop 25 decibels. This is done simultaneously for frequencies ranging from 80 to 5000 hertz. The sound decay rate is measured 10 times at each of the five microphone locations and decays are averaged to determine the “Empty Room” absorption. The test specimen will then be installed in the room and another 50 decays will be measured. This measurement, with the sample installed, will be referred to as the “Full Room” absorption. The absorption coefficients (at each 1/3 octave frequency) will then be determined by subtracting the “Empty Room” absorption from the “Full Room” absorption and dividing by the area of the test specimen or by the number of sound absorbing units.
Table 3. Acoustic properties
S.No Properties Results
1 Noise Reduction Coefficient 0.75
2 Sound Absorption 0.72
The NRC (Noise Reduction Coefficient) rating is the average of the absorption coefficients at 250, 500, 1000 and 2000 hertz, rounded to the nearest multiple 0.05.
The at least one linear element 108 of the present invention can be finished with additional elements with use of PVC film or can be printed on the outer faces which gives the user multiple choice of patterns and colours which further enhances the aesthetic appeal of the invention.
Table 4. Thermal Characteristics Tests
S.No Parameter Test Method Result Unit
1 Horizontal Flammability Rate of burning Self-Extinguishing mm/min
2 Oxygen Index Test ASTM D 2863 43.8 %
3 Smoke Density Test Appendix-5 of UIC 564 2 OR Class --
4 Toxicity Index NCD:1409 0.98 --
5 Flammability Test UL 94 V-0 --
The composition of the UPVC with Chlorine which acts as a fire retardant and enhances the fire properties of the UPVC element.
Table 5. The performance of uPVC profile against electric voltage
S.No Parameter Test Method Lead Time Test charge per Sample
1 Dielectric Strength ASTM D 149 24.54 KV/mm
The at least one linear element is also made performance test of uPVC profile against electric voltage.
The at least one linear element is also tested for point load analysis.
Table 6. Point load analysis test
S.No Parameter Test Method Result Unit
1 Screw Holding -- 280.06 N
The linear elements can be adapted with dynamic and parametric features either mechanized or non-mechanized in the ceiling and wall applications.
The linear elements can be extruded with any new polymers and resins as the technology in the polymers brings in new raw materials.
The linear elements can be applied on any surface such as and not limiting to tables, reception counters, door facia, fencing application, building elevation for improving aesthetics, lighting, acoustics, or to host other services such as HVAC, support for other elements.
Applications of the current invention include any building, suspended from true ceiling by means of a sub structure, wall surfaces, partitions, door facia, compound wall, façade, glass, cladded surface, and location requiring a linear element ceiling.
The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the scope of the embodiments as described here.

Claims (18)

  1. A ceiling system, comprising:
    at least one anchor fastener (102), operatively connected to at least one surface (109), configured to provide a firm support to the ceiling system with the at least one surface (109);
    at least one suspension rod (104), operatively connected to the anchor fastener (102), configured to provide an adjustable gap between the at least one surface (109) and at least one carrier (106);
    the at least one carrier (106), operatively connected to the suspension rod (104), configured to hold the one or more linear elements (108) and at least one surface installing appliance;
    the at least one linear element (108) operatively connected to the at least one carrier (106), configured to provide a housing for casing the at least one surface installing appliance; and
    at least one cross web (126), provided within the at least one linear element (108), configured to provide a partition wall to create one or more multi-chambers for separating and accommodating the one or more surface installing appliance, wherein the multi chambers provide the space for accommodating smart and conventional lighting elements for direct and indirect illumination.
  2. The system as claimed in claim 1, comprising at least one infill (118) operatively connected in between the one or more linear elements (108), configured to provide additional support for mounting the at least one surface installing appliance and serve as an acoustic and light diffusing or reflector material, there by providing either direct or indirect illumination.
  3. The system as claimed in claim 1, wherein the at least one linear element (108) comprises:
    one or more perforations (134) on one or more sides of the at least one linear element (108) configured to provide a better noise reduction and acoustic properties; and
    an acoustic infill (132) provided inside the at least one linear element (108) configured to enhance the acoustic properties.
  4. The system as claimed in claim 1, wherein the at least one linear element (108) is connected to the at least one carrier (106) by at least one of: at least one bracket (112), at least one washer and bolt (116), at least one mechanical fixture, and at least one elongated bracket (114) for snap fitting the at least one linear element (108).
  5. The system as claimed in claim 1, wherein the one or more linear elements (108) are configured to create a new provision by snap fitting the one or more linear elements (108) with at least one panel (130).
  6. The system as claimed in claim 1, wherein the at least one linear element (108) shape and height is modified based up on the user requirement.
  7. The system as claimed in claim 1, wherein the at least one or more cross web (126) is configured to rearrange to create more space in the partition by placing at least one provision (128) in the at least one linear element (108), which enables the cross web (126) to be changed.
  8. The system as claimed in claim 1, wherein the at least one carrier (106) comprises:
    at least one slot (110) and at least one hole in at least one axis and throughout the length of the at least one carrier (106), configured to operatively connect the at least one suspension rod (104) and the at least one linear element (108) by at least one mechanical fixture.
  9. The system as claimed in claim 1, wherein the at least one mechanical fixture comprises at least one fixture and fasteners like washers, stove bolts, lag screws, lag bolts, brackets, washers, and bolts suitably.
  10. The system as claimed in claim 1, wherein the at least one surface installing appliance comprises at least one lighting, audio/video, alarms, CCTV, speakers, fire sprinklers, electric wiring, data cables, HVAC pipes, lighting, utility or any other appliances.
  11. The system as claimed in claim 1, wherein the at least one linear element (108) is made of at least one UPVC, steel, wood, and other materials based on the user requirement.
  12. The system as claimed in claim 1, wherein the at least one linear element (108) and the at least one carrier (106) are in the form of at least circle, a square, a rectangle, a triangle, an oval, and a hexagon.
  13. The system as claimed in claim 1, wherein the at least one surface (109) comprises at least one horizontal surface, at least one vertical surface, and at least one parallel surface, and at least one perpendicular surface.
  14. A method for suspended ceiling, comprising:
    configuring at least one anchor fastener (102) to provide a firm support with at least one surface (109), wherein the at least one anchor fastener (102) is operatively connected to the at least one surface (109);
    configuring at least one suspension rod (104) to provide an adjustable gap between the at least one surface (109) and at least one carrier (106), wherein the at least one suspension rod (104) is operatively connected to the anchor fastener (102);
    configuring the at least one carrier (106) to hold one or more linear elements (108) and at least one surface installing appliance, wherein the at least one carrier (106) is operatively connected to the suspension rod (104);
    configuring the at least one linear element (108) to provide a housing for casing the at least one surface installing appliance, wherein the at least one linear element (108) is operatively connected to the at least one carrier (106); and
    configuring at least one cross web (126) to provide a partition wall to create one or more multi-chambers for separating and accommodating the one or more surface installing appliance and conventional lighting elements for direct and indirect illumination, wherein the at least one cross web (126) is provided within the at least one linear element (108).
  15. The method as claimed in claim 14, comprising providing additional support and by at least one infill (118) for mounting the at least one surface installing appliance and serving as an acoustic and light diffusing or reflector material, and direct or indirect illumination, wherein the at least one infill (118) is connected in between the one or more linear elements (108).
  16. The method as claimed in claim 14, comprising configuring the at least one carrier (106) comprising:
    connecting the at least one suspension rod (104) and the at least one linear element (108) by at least one mechanical fixture via at least one slot (110) and at least one hole in at least one axis and throughout the length of the at least one carrier (106).
  17. The method as claimed in claim 14, comprising the at least one linear element (108) comprises:
    providing one or more perforations (134) on one or more sides of the at least one linear element (108) for better noise reduction and acoustic properties; and
    configuring to enhance the acoustic properties by an acoustic infill (132) inside the at one linear element (108).
  18. The method as claimed in claim 14, creating more space in the partition by the at least one cross web (126) is rearranged by placing at least one provision (128) in the at least one linear element (108), which enables the cross web (126) to be changed.
PCT/IN2023/050555 2022-06-16 2023-06-13 A ceiling apparatus and method thereof WO2023242863A1 (en)

Applications Claiming Priority (2)

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IN202241034620 2022-06-16
IN202241034620 2022-06-16

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175656A (en) * 1960-01-27 1965-03-30 Robert W Schoenfeld Means for mounting acoustical ceilings
US3742674A (en) * 1970-09-21 1973-07-03 Bajer Ind Inc Suspended ceiling system including a grid network
US4175360A (en) * 1977-02-25 1979-11-27 Mulvey Gerard E Coffered ceiling system
FR2485591A1 (en) * 1980-06-27 1981-12-31 Someta Suspended ventilated false ceiling - comprises panels supported between edges of hollow cross-members into which room partitions locate
FR2625524A1 (en) * 1988-01-06 1989-07-07 Benoit Antoine False ceiling system with multiple functions
US5687527A (en) * 1996-02-22 1997-11-18 Clestra Cleanroom (S.A.) Suspended ceiling for cleanrooms
JP2008050784A (en) * 2006-08-23 2008-03-06 Kirii Construction Materials Co Ltd False ceiling underlayer structure and reinforcing hardware for metal joint
US20090255203A1 (en) * 2008-04-15 2009-10-15 Laird I Richardson Grid system for supporting a suspended ceiling and ceiling mounted equipment
US20100281800A1 (en) * 2009-05-11 2010-11-11 Kim Won Keol Waterproof ceiling with multiple types of structures

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175656A (en) * 1960-01-27 1965-03-30 Robert W Schoenfeld Means for mounting acoustical ceilings
US3742674A (en) * 1970-09-21 1973-07-03 Bajer Ind Inc Suspended ceiling system including a grid network
US4175360A (en) * 1977-02-25 1979-11-27 Mulvey Gerard E Coffered ceiling system
FR2485591A1 (en) * 1980-06-27 1981-12-31 Someta Suspended ventilated false ceiling - comprises panels supported between edges of hollow cross-members into which room partitions locate
FR2625524A1 (en) * 1988-01-06 1989-07-07 Benoit Antoine False ceiling system with multiple functions
US5687527A (en) * 1996-02-22 1997-11-18 Clestra Cleanroom (S.A.) Suspended ceiling for cleanrooms
JP2008050784A (en) * 2006-08-23 2008-03-06 Kirii Construction Materials Co Ltd False ceiling underlayer structure and reinforcing hardware for metal joint
US20090255203A1 (en) * 2008-04-15 2009-10-15 Laird I Richardson Grid system for supporting a suspended ceiling and ceiling mounted equipment
US20100281800A1 (en) * 2009-05-11 2010-11-11 Kim Won Keol Waterproof ceiling with multiple types of structures

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