EP3415700B1

EP3415700B1 - Acoustic panels fastening system and support structure thereof

Info

Publication number: EP3415700B1
Application number: EP17713434.3A
Authority: EP
Inventors: Jorge Manuel MENDES SILVA CASTRO; Paulo Ricardo FERREIRA ALVES; Alfredo DA SILVA ALVES
Original assignee: Artnovion Lda
Current assignee: Artnovion Lda
Priority date: 2016-02-09
Filing date: 2017-02-09
Publication date: 2023-06-07
Anticipated expiration: 2037-02-09
Also published as: WO2017137929A1; EP3415700A1; EP3415700C0; HRP20230960T1; US20190048580A1

Description

Technical field

The present disclosure relates to an acoustic panels fastening system.

Background

Existing solutions for fastening acoustic panels to plane surfaces or affixing acoustic panels on vertical structures are divided into two main categories: chemical fastening and mechanical fastening by screwing said panels.
Chemical fastening consists of a glueing process, wherein various types of adhesive substances are used, in particular glues suitable to the two surfaces to be joined. The quality of the adhesive substances/glues depends on the respective features of the surfaces and requires a drying period, during which the panels may suffer dislocations. Once the glueing process is dried and finished, it becomes a permanent solution, requiring scraping and treatment of the surfaces prior to any change in the used panels.
Existing mechanical solutions are based on screw support, passing through the panel. Affixation quality is defined by the quality of the wall, and of the material used in the construction of the wall itself. Given the nature of acoustic panels, that suffer dilatation and expansion, and are inherently subject to constant micro-vibrations, a screw solution requires maintenance. Changing the assembling scheme requires changing the positioning of the wall fastenings; and dismantling the system completely, with the possible damages and implicit wears.
Mechanical solutions correspond to removable fastening systems, allowing substituting the panels and resorting to physical supports in direct or indirect contact with the surfaces. There is a great variety of solutions of mechanical fastening available on the market, ranging from direct fastening of the panel to the plane surface resorting to screws or a stapler gun to solutions using more or less complex parts or support structures. Most solutions involve using rails or profiles allowing panels, Z-shaped clip-clip or other gravity fastening systems to fit in. Suspension systems are preferably suited to the particular case of horizontal fastening (ceilings).
Document US3903671 relates to lining systems for building surfaces such as walls or ceilings. The structure uses at least two spaced parallel rails, adjustable connectors sliding on the rails and panel attachment members secured to the rails by the connectors and serving to support facing panels, for example gypsum wall boards. The connectors are adjustable in three mutually perpendicular directions being slidable along the rails and along the attachment members and adjustable to vary the spacing between the rail and the attachment member. Panels may be secured to the attachment members by any suitable means such as screws, clips, adhesives or edge engagement. Attachment members may be elongated, in the form of studs, or short locally operative clips.
These solutions illustrate the technical problem to be solved by the present solution.

General description

The invention is defined by an acoustic panels fastening system for plane surfaces, as delimited in claim 1. The present disclosure relates to an acoustic panels fastening system simultaneously compatible with a vertical assembly and with fastening in horizontal plane surfaces, in particular ceilings, and vertical ones, in particular walls, this being therefore a universal system for all types of fastening: horizontal surfaces, vertical surfaces and vertical piling.
The disclosure herein presented comprises three particular advantages. The first advantage is allowing the assembly to be made easily; using a provided reference, plugs or fastening points are placed in key-spots in the desired surface. Therein fittings (clips or fitting-clip) are screwed. There is no more interaction with the surface. A beam is fitted in the fittings, in which the panels are subsequently fitted. The panels are fitted by means of two fittings, a "rail" and a fitting (clip or fitting-clip). The rail is screwed to the panel, having a groove for the fitting or fitting-clip. The panels are easily removed and reorganised.
For a suitable and effective installation,it is necessary to guarantee a straight line between the two points. Therefore, the installation is independent of the state or level of the surface, allowing installation in curved surfaces and dihedral corners. The cavity created between the surface and the back of the panel creates an air gap, which not only increases the performance of the panel, but it also enables the possibility of assembling other utilities on the surface, in particular water and gas pipes, electrical cable trays, drastically decreasing the cost, time, and structural impact of an installation. The air gap also influences the thermal performance of the room.
The second advantage is the alignment between panels. After being assembled on the beam, a horizontal adjustment is possible, in particular sliding along the beam, and a vertical adjustment, in particular the fitting of the panel ensures a good junction between panels.
The third advantage is the uncoupling effect between panel and wall. Since there is no direct contact between the wall fitting and the panel fitting, there are several implications. There is a better performance with regards to low frequencies from the surface, since there is no mechanical transfer. There is also less wear in fastening the wall fitting, given the reduction in vibrations. Overall, there is an improvement in the performance of the panels.
The fastening system herein disclosed is a durable system, user-friendly, it increases the performance of the adjunct system, that fulfils the requirements of international standards on construction and fire resistance, with possibility of being incorporated with other work aspects, reducing time, cost and impact of installations, as it can be incorporated with local materials, diminishing the necessary quantity to export, indirectly improving the environmental impact associated with the product.
The present disclosure thus ensures the alignment and fastening of acoustic panels on horizontal and vertical surfaces, in particular on walls and ceilings, respectively.
The present disclosure allows a faster assembling, with alignment adjustments in all directions and wherein the assembly quality is not dependent on the quality of the surface, that is, this disclosure differs from the fastening systems disclosed in the state of the art.
The disclosure herein presented is a durable fastening system, resistant to mechanical wear; it uncouples the panel from the surface, increasing the performance; it allows changing the panel arrangement; it is universal, any product that can be screwed with a small screw is compatible; easy disassembly for maintenance purposes or substitution of damaged parts; it creates an air gap around the space, with the proper implications of thermal and acoustic insulation; it doesn't require expert tools; it is a unique solution for all different fastening situations and needs - vertical surfaces, horizontal ones or vertical piling, in particular constructing a wall or barrier with the panels themselves.
The present disclosure is an economical solution from the point of view of production, since it uses the same type of supports and clamps both for the panels and for the surfaces; in the case of the vertical piling of panels for creating an acoustic barrier, it allows using small segments of tube, facilitating the assembly and diminishing the expedition costs; the assembly of the panels is easily made, with a simple fitting movement; it is easy and simple to install, by simply aligning adequately the tubular structures; it allows horizontal adjustment, in particular sliding along the tube, and vertical adjustment, in particular sliding the clamp in the support fastened to the panel, ensuring a perfect alignment between panels.
The acoustic panels of the present disclosure may be easily removed, substituted or reorganised, according to a possible need. The uncoupling between the panels and the wall brings several advantages, since the cavity created between the surface and the back of the panel creates an air gap allowing:

a better acoustic performance at low frequencies;
the use of rubber anti-vibration clamps, further improving the acoustic performance;
the application of aligned panels in irregular surfaces;
to assemble other utilities on the surface (pipelines and electrical cable trays), reducing the cost, time, and structural impact of an installation.

The disclosure is associated with a scale economy, with a single type of supports and clamps, both for panels and for surfaces; it allows using anti-vibration rubbers in the clamps.
The assembly of acoustic panels is characterised by an assembly is simple and quick, without needing to resort to specialised tools; it allows alignment adjustments in all directions; it allows changing the arrangement of panels; easy disassembly for purposes of maintenance or substitution of parts; it allows substituting the panels contrary to chemical fastenings; durable, not dependent on the quality of the surface; it allows the application to irregular surfaces; it uncouples the panel from the surface, increasing the acoustic performance; it allows the coexistence of other installations such as pipelines or electrical cable trays in the air gap between the panel and the surface.
The present disclosure comprises the use of a support tubular structure allowing clamps to fit in. On the other hand, these clamps are fitted in supports fastened, in particular with screws, to the acoustic panels, and to the surfaces that will receive the acoustic treatment. The same clamps are therefore the connecting element of the tubular structure both to the acoustic panel and to the walls.
A beam is a structural element functioning as a bar so that both terms may be used interchangeably.
In an embodiment, the first sliding axis and the second sliding axis are in different directions, in particular from a plane parallel to the back of the acoustic panel.
In the invention, the support structure for acoustic panels herein disclosed provides an air gap between the back thereof and the plane surface, the plane surface may be for example a wall.
In an embodiment, the beam and the fitting-clip may be fastened by a sliding male-female fitting.
In an embodiment, the rail and the fitting-clip may be connected by a sliding male-female fitting.
In an embodiment, the beam may be cylindrical.
The disclosure also relates to a kit comprising the acoustic panels fastening system according to the invention.
The present invention includes an acoustic panels fastening system according to independent claim 1.
In an embodiment, each acoustic panel is removable.
In an embodiment, the plane surfaces may be horizontal plane surfaces or vertical plane surfaces, wherein the horizontal plane surfaces are ceilings and the vertical plane surfaces are walls.
In an embodiment, the fastening system may further comprise fastening means of the rail to the panel.
In an embodiment, the fastening means may be screws.
According to the invention, each acoustic panel may comprise 4 rails arranged in vertexes of the panel, 4 screws and 4 elements for fitting in the rail and in the beam.
In an embodiment, the fastening element may be a plug.
Throughout the description and claims the word "comprises" and variations thereof, are not intended to exclude other technical features, as other components, or steps. Additional objects, advantages and features of the disclosure will become apparent to those skilled in the art upon examination of the description or may be learned by practice of the invention. The following embodiments are for illustrating the description and should not be seen as limiting the scope of the disclosure. Furthermore, the present disclosure covers all possible combinations of specific or preferential embodiments herein described.

Brief description of the drawings

The following figures provide preferred embodiments for illustrating the description and should not be seen as limiting the scope of the disclosure.

Figure 1 : Schematic representation of a set of panels vertically arranged for creating an acoustic barrier, according to the disclosure herein presented.
Figure 2 : Schematic representation of a fastening point/plug 1 screwed to a surface and of a beam 5.
Figure 3 : Schematic representation of the first step for placing an acoustic panels fastening system to horizontal or vertical surfaces.
Figure 4 : Schematic representation of a step subsequent to placing an acoustic panels fastening system to horizontal or vertical surfaces.
Figure 5 : Schematic representation of a step subsequent to placing an acoustic panels fastening system to horizontal or vertical surfaces and wherein two panels are placed side by side.
Figure 6 : Representation of a fastening point/plug 3 and of a screw 4 that may be placed in key points of a surface.
Figure 7 : Schematic representation of the fitting of a beam 5 to the set formed by the fastening points/plug 3 and screws 4 already previously fastened to a surface, the arrows representing the fitting direction of the beam 5.
Figure 8 : Schematic representation of the fastening of a beam 5 to the structure formed by the fastening point/plug 3 and screw 4 already previously fastened to a surface, wherein the arrows represent the fitting of the beam and wherein the beam is fitted to three sets of fastening points/plug 3 and screw 4.
Figure 9 : Schematic representation wherein A represents a rail 10 that may be screwed to an acoustic panel and in which a fitting/clip 11 is afterwards fastened; wherein B represents the fastening of the fitting/clip to the rail this set being afterwards screwed.
Figure 10 : Schematic representation wherein A represents a rail 10 that may be screwed to an acoustic panel and in which a fitting/clip is afterwards fitted in.
Figure 11 : Schematic representation of the application of acoustic panels according to the disclosure herein presented.
Figure 12 : Representation of a fitting detail of two acoustic panels arranged side by side.
Figure 13 : Representation of a detail of the rail and fitting sliding between each other.
Figure 14 : Detail of the fastening system.

Detailed description

The disclosure herein presented comprises an acoustic panels fastening system, the fastening system being simultaneously compatible with a vertical assembly and with fastening in horizontal plane surfaces, in particular ceilings, and vertical ones, in particular walls, this being a universal system for all types of fastening: horizontal surfaces, vertical surfaces and vertical piling.
Figure 7 represents an embodiment wherein 4 acoustic panels may be placed, their placement being made at height.
Figure 8 represents an embodiment wherein 8 acoustic panels may be placed, 4 of these panels being placed at height, as figure 7 shows and the remaining 4 panels are also placed at height and to the side of the first 4 panels previously arranged.
In an embodiment, each acoustic panel comprises a rail, fastening means of the rail to the panel and a fitting element to the rail and to the beam creating an air gap between a surface of the acoustic panel and the plane surface or wall.
In an embodiment, the fittings necessary to fasten acoustic panels are male-female fittings.
In an embodiment, the rail may be of metal or plastic.
In an embodiment, the fitting/clip/element, in particular fitting-clip, for fitting may be of plastic or metal.
In an embodiment, the rail may be screwed to the acoustic panel and afterwards the fitting/clip/element for fitting may be inserted in the rail.
In an embodiment, the rail and the fitting/clip/element, in particular fitting-clip, for fitting may be coupled to each other and afterwards this set may be screwed to the acoustic panel.
In an embodiment, the set of rail, fitting/clip/element, in particular fitting-clip, for fitting and screw may be distributed along the panel, in particular each set may be placed in a vertex of the acoustic panel.
According to the invention, each acoustic panel comprises 4 sets of rail, fitting/clip/element, in particular fitting-clip, for fitting and screw positioned in the respective vertexes of the panel.
Although only particular embodiments of the present disclosure have been represented and described herein, those skilled in the art will know how to introduce modifications and replace some technical features with equivalent ones, depending on the requisites of each situation, without departing from the scope of protection defined by the appended claims.
The presented embodiments are combinable. The following claims set out particular embodiments of the disclosure.

Claims

Acoustic panels fastening system for plane surfaces comprising a plurality of acoustic panels and a support structure comprising:
a plurality of fastening beams (5);

a plurality of fastening elements for fastening the fastening beams (5) to the plane surface;

characterized by

four or more second fastening elements, wherein each of said second fastening elements comprises:
a rail (10) attached to the acoustic panel; and

a fitting-clip (11) slidably connected to the rail (10) along a first sliding axis;

wherein the fitting-clip (11) comprises a clip for slidably fastening to one of said plurality of fastening beams (5) along a second sliding axis;

wherein for each acoustic panel, there are four second fastening elements,

each positioned in a vertex of each acoustic panel;

wherein the fitting-clips (11) of each acoustic panel are arranged to connect the rail (10) to the beam (5), such that an air gap is created between the acoustic panel and the plane surface.
Acoustic panels fastening system according to the previous claim wherein the rail (10) and the fitting-clip (11) are configured such that they can be attached together to the acoustic panel.
Acoustic panels fastening system according to any of the previous claims wherein the first sliding axis and the second sliding axis are in different directions.
Acoustic panels fastening system according to any of the previous claims wherein the beam (5) and the fitting-clip (11) are fastened by a sliding male-female fitting.
Acoustic panels fastening system according to any of the previous claims wherein the rail (10) and the fitting-clip (11) are connected by a sliding male-female fitting.
Acoustic panels fastening system according to any of the previous claims wherein the beam is cylindrical.
Acoustic panels fastening system according to any of the previous claims wherein each acoustic panel is removable.
Acoustic panels fastening system according to any of the previous claims wherein the plane surfaces are horizontal plane surfaces or vertical plane surfaces.
Acoustic panels fastening system according to the previous claim wherein the plane surfaces are horizontal plane surfaces which are ceilings.
Acoustic panels fastening system according to claim 8 wherein the plane surfaces are vertical plane surfaces which are walls.
Acoustic panels fastening system according to any of the previous claims further comprising fastening means of the rail to the panel.
Acoustic panels fastening system according to the previous claim wherein the fastening means are screws.
Kit comprising the acoustic panels fastening system according to any of the previous claims.