EP3271526A1 - Covering panel for external building faces - Google Patents

Covering panel for external building faces

Info

Publication number
EP3271526A1
EP3271526A1 EP16715465.7A EP16715465A EP3271526A1 EP 3271526 A1 EP3271526 A1 EP 3271526A1 EP 16715465 A EP16715465 A EP 16715465A EP 3271526 A1 EP3271526 A1 EP 3271526A1
Authority
EP
European Patent Office
Prior art keywords
covering panel
base
panel according
perimetric
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16715465.7A
Other languages
German (de)
French (fr)
Other versions
EP3271526B1 (en
Inventor
Diego DELL'INNOCENTI
Davide DELL'INNOCENTI
Sergio DELL'INNOCENTI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dell'innocenti Lamiere Srl
Original Assignee
Dell'innocenti Lamiere Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dell'innocenti Lamiere Srl filed Critical Dell'innocenti Lamiere Srl
Publication of EP3271526A1 publication Critical patent/EP3271526A1/en
Application granted granted Critical
Publication of EP3271526B1 publication Critical patent/EP3271526B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/007—Outer coverings for walls with ventilating means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E04F13/0878—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer the basic insulating layer comprising mutual alignment or interlocking means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2002/001—Mechanical features of panels
    • E04C2002/004—Panels with profiled edges, e.g. stepped, serrated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2203/00—Specially structured or shaped covering, lining or flooring elements not otherwise provided for
    • E04F2203/06—Specially structured or shaped covering, lining or flooring elements not otherwise provided for comprising two layers fixedly secured to one another, in offset relationship in order to form a rebate
    • E04F2203/065—Specially structured or shaped covering, lining or flooring elements not otherwise provided for comprising two layers fixedly secured to one another, in offset relationship in order to form a rebate in offset relationship longitudinally as well as transversely

Definitions

  • the present invention relates to a covering panel for external building faces, particularly but not exclusively industrial buildings, prefabricated or otherwise, for storage or office use.
  • panels of thermally insulating material are anchored to the facade of the building; these panels can be made of, e.g., extruded polystyrene, expanded polystyrene (EPS) and the like.
  • the panels are then typically covered with one or more layers of plaster - with optional interposition of a rigid strengthening net - in order to protect the thermally insulating material from atmospheric agents.
  • the whole can then be further covered by panels or slabs of various materials, e.g., aluminum, wood, etc., the function of which is both aesthetic and to offer further protection.
  • a substructure is fixed to the wall of the building and is composed of a metallic profile or wood frame, adapted to contain nonrigid thermally insulating material, e.g., rock wool, glass wool and the like.
  • the frame can then be covered with rigid panels of various materials, e.g., wood, aluminum and the like.
  • any operations to remove the covering are likewise laborious, costly, and wasteful in terms of time.
  • panels of semirigid thermally insulating material are also known, such as the above- mentioned expanded polystyrene, which are contoured to mutually couple by interlocking and are optionally already provided with an external finishing covering.
  • the aim of the present invention is to provide a covering panel for external building faces which overcomes the drawbacks of the above-mentioned conventional insulation systems, specifically, which can be installed and optionally removed much more simply and rapidly, possibly even by a single operator and without the use of scaffolding, which can be recovered, e.g., in the event of resizing, stripping or restyling of the building, and which offers high performance levels in terms both of thermal and acoustic insulation, and of limiting condensation.
  • an object of the invention is to provide the above- mentioned panel at low cost.
  • Figure 1 is an exploded perspective view of the covering panel according to the invention.
  • Figure 2 is a transverse cross-sectional view of the covering panel according to the invention, in the disassembled configuration
  • Figures 3-5 are three perspective views of the covering panel in Fig. 1 in three respective consecutive steps of assembly;
  • Figure 6 is a transverse cross-sectional view of the covering panel according to the invention, in the assembled configuration
  • Figure 7 is a partially sectional front elevation view of the covering panel according to the invention, in the assembled configuration
  • Figure 8 is a front elevation view of a generic outer wall of bricks of a building, on which some covering panels according to the invention are applied;
  • Figure 9 is a view similar to Fig. 1, showing a first alternative embodiment of the invention.
  • Figure 10 is a view similar to Fig. 8, showing a second alternative embodiment of the invention.
  • Figure 11 is a view similar to Fig. 8, showing a third alternative embodiment of the invention.
  • a covering panel 10 according to the invention is shown, which is adapted to be applied to outer facades of buildings in any state, both unfinished, e.g., in brick, and completely or partially finished, e.g., by application of a protective layer of plaster.
  • the panel 10 comprises a support 12 which is preferably molded from synthetic material, e.g., polyethylene, polypropylene, or a combination thereof, or other thermoplastic or thermosetting polymers that have a suitable resistance to atmospheric agents.
  • synthetic material e.g., polyethylene, polypropylene, or a combination thereof, or other thermoplastic or thermosetting polymers that have a suitable resistance to atmospheric agents.
  • the support 12 is provided with a rectangular base 14 and a perimetric wall 16 which rises on one side of the base 14 so as to define a rectangular seat 17.
  • a ventilation chamber 18 is defined (Fig. 6) which has the same rectangular profile as the base 14, but is arranged offset in a parallel arrangement with respect to the latter on two adjacent sides of the rectangular profile.
  • the chamber 18 is delimited by a perimetric rib 20 which, by way of the aforementioned offset arrangement with respect to the base 14, protrudes along two first adjacent sides 16a, 16b of the perimetric wall 16 and is retracted along the two opposite adjacent sides 16c, 16d.
  • the bottom of the chamber 18 is joined (i.e. closed) continuously with the base 14.
  • a fin 22 juts outwardly parallel to the base 14 from the edge of the perimetric wall 16.
  • the fin 22 extends along the first two adjacent sides 16a, 16b of the perimetric wall in alignment with the protruding portion of the chamber 18 and, at its opposite ends, ends before meeting the other two adjacent sides 16c, 16d of the perimetric wall 16.
  • a recess R is therefore defined in which the protruding portion S of the seat 17 of an adjacent panel can be engaged with interlocking (Fig. 2).
  • the perimetric rib 20 is lowered in 20r along its two opposite sides almost to the level of the base 14. On each one of the other two opposite sides of the perimetric rib 20 two aligned and laterally adjacent slots 24 are provided which extend parallel to the base 14.
  • the chamber 18 is closed frontally by a cover 26 with a corresponding rectangular profile, which can be made, e.g., of aluminum.
  • the cover 26 has a roof 28 and a perimetric edge 30 which engages on the perimetric rib 20.
  • the perimetric edge 30 is provided with a plurality of ventilation openings 32 on each one of the two sides that are intended to engage the lower sides of the perimetric rib 20. Therefore, the ventilation openings 32 open into the inside of the chamber 18 through the lowered areas of the perimetric edge 30.
  • a pair of aligned and laterally adjacent shaped tabs 33, which are provided in one piece on the other two sides of the perimetric edge 30, are adapted to engage the slots 24 with retention.
  • the base 14 is provided with two holes 34, 36 for fixing the panel 10 to the wall of a building by way of screws.
  • one of the two holes, 34 is provided inside the chamber 18 proximate to the corner between the lowered retracted side and the retracted side adjacent thereto of the perimetric rib 20.
  • the other hole, 36 is provided inside the chamber 18 proximate to the corner between the same lowered retracted side and the protruding side of the perimetric rib 20, but inside the perimeter of the seat 17.
  • the support 12 accommodates a portion of a block 38 of rigid thermally insulating material, e.g., high-density polystyrene.
  • the block 38 takes the form of two superimposed parallelepipeds 38a, 38b, which are offset in a mutually parallel arrangement on two adjacent sides, corresponding to the arrangement of the chamber 18 with respect to the base 14.
  • One of the two parallelepipeds, 38a is dimensioned to be received snugly in the seat 17.
  • the other parallelepiped, 38b has the same profile but a greater thickness, and juts outside the seat 17 in alignment with the chamber 18 and the fin 22.
  • the panel is assembled by inserting the block 38 of thermally insulating material into the seat 17 of the support (Fig. 3), then engaging the cover 26 in the perimetric rib 20 to form the chamber 18 (Fig. 4), and finally locking the cover by inserting the shaped tabs 33 into the slots 24 (Fig. 5).
  • the panel 10 is adapted to be installed in association with other, identical panels on the external facade of a generic wall of a building, e.g., a wall of bricks W.
  • the panels 10 are engageable with each other by interlocking, and each one of them is fixed to the wall by way of a single screw C inserted in one of the two holes 34, 36, optionally by way of the use of conventional wall screw anchors (not shown).
  • each panel of the higher row is locked both on its left- and right-hand sides in a manner similar to the lower row, and also on its lower side owing to the interlocking engagement with the underlying panel which is screwed to the wall on the adjacent side, and also on its upper side by way of the screw.
  • the covers can be applied either in each instance immediately after having screwed the panel to the wall, or all together once the job is finished.
  • the panels 10 are shown without covers for greater clarity.
  • the covers can have different colors so as to create geometric figures, wordings, etc., for decorative or identification purposes.
  • the openings 32 ensure the ventilation necessary to prevent the formation of condensation. Furthermore they permit the outflow of water in the event of precipitation.
  • the thickness and the material of the block 38 can be chosen as a function of the degree of insulation desired.
  • the covering panel described fully achieves the set aims, it being easily installed and removed simply and quickly even by a single operator, optionally using an elevated work platform or cherry picker, without requiring the installation of scaffolding, with consequent saving in terms of labor and simplified management.
  • panels can be removed and installed elsewhere in the event of resizing or stripping of the building, with at least partial recovery of the costs of installation and relief from duties associated with waste disposal.
  • covers with different colors/materials, whenever desired it will be possible to vary the appearance of the building simply by varying the arrangement of the covers.
  • the implementation in multiple layers, specifically, from innermost to outermost, a layer of thermally insulating material, a layer of plastic supporting material with waterproof properties, shaped so as to protect the thermally insulating material, and a ventilated air chamber closed by an aluminum cover, ensures high performance levels in terms both of thermal and acoustic insulation, and of limiting condensation. Furthermore, the panel thus provided is sturdy and long-lasting over time.
  • both the support 10 and the block 38 can be molded, while the cover 26, if in aluminum, can be made from a punched and folded metal sheet.
  • Figure 9 shows an alternative embodiment of the invention, which differs from the previous embodiment only in that the block of insulation, which in the previous embodiment was made of a rigid material, is substituted by a layer of nonrigid thermally insulating material 138, e.g., rock wool or glass wool, adapted to be accommodated fully in the seat 117 of the support 112 without protruding outside.
  • the edge of the perimetric wall 116 abuts directly against the wall to be covered, which can be unfinished or already provided with a layer of cladding.
  • Figure 10 shows a further embodiment of the invention, which differs from the previous embodiments in that some of the covers, designated with 226, are contoured so as to engage a plurality of adjacent panels, e.g., four adjacent panels arranged in a square, instead of a single panel.
  • Figure 11 shows a further embodiment of the invention, which differs from the previous embodiment in that the various layers of the panel 310 have a parallelogram profile instead of a rectangular profile, optionally becoming a rhomboid profile.
  • the materials used can differ from what is described.
  • the thermally insulating material is rigid
  • different materials can be used such as expanded polystyrene, cork and the like.
  • the material of the support can also be varied and does not necessarily have to be a plastic material; e.g., the support can be made of aluminum.
  • the fin defines a rigid interlocking seat that ensures a snug interlocking between the panels, it is not strictly necessary.
  • the ventilation chamber is formed by the perimetric rib integral with the support and by the cover that engages thereupon
  • the chamber could likewise be constituted by a self-contained hollow body that is removable in its entirety from the support.
  • the quadrilateral profiles are optimal from the functional point of view and in terms of manufacturing cost, obviously it would be possible to make panels with different polygonal profiles, e.g., hexagonal or octagonal, as long as the base and the ventilated chamber have an arrangement that is mutually offset along at least two adjacent sides.
  • the mutual engagement means between the cover and the support can be substituted by other, conventional fixing systems, such as screws, or they can be inverted, i.e., the slots could be provided on the cover and the tabs could be integral with the support.

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

Abstract

Covering panel for external building faces, comprising a support (10) provided with a base (14) having a polygonal profile and a perimetric wall (16) which rises from one side of the base (14) so as to define a seat (17) in which is accommodated thermally insulating material (36); a ventilated chamber (18), which is superimposed on the base (14) on the opposite side with respect to the seat (17), has the same polygonal profile arranged offset along two adjacent sides for the interlocking coupling of a plurality of identical panels fixed to an external building face to be covered (W).

Description

COVERING PANEL FOR EXTERNAL BUILDING FACES
The present invention relates to a covering panel for external building faces, particularly but not exclusively industrial buildings, prefabricated or otherwise, for storage or office use.
It is known to cover the outer walls of buildings with what is known as "external insulation", the function of which is substantially thermal and acoustic insulation.
In conventional solutions, panels of thermally insulating material are anchored to the facade of the building; these panels can be made of, e.g., extruded polystyrene, expanded polystyrene (EPS) and the like. The panels are then typically covered with one or more layers of plaster - with optional interposition of a rigid strengthening net - in order to protect the thermally insulating material from atmospheric agents. Especially in industrial applications, the whole can then be further covered by panels or slabs of various materials, e.g., aluminum, wood, etc., the function of which is both aesthetic and to offer further protection.
In other cases, a substructure is fixed to the wall of the building and is composed of a metallic profile or wood frame, adapted to contain nonrigid thermally insulating material, e.g., rock wool, glass wool and the like. The frame can then be covered with rigid panels of various materials, e.g., wood, aluminum and the like.
Conventional systems such as those described above suffer several drawbacks, however.
First of all, installing the external insulation is very laborious, with high costs both in terms of labor and materials.
Furthermore, such operation necessarily requires the installation of scaffolding outside the building, with an increase in costs and further administrative complications owing to the fact that the installation of the scaffolding is often subject to municipal permits and, in some cases, subject to taxation. Also, in the event of any resizing, stripping or restyling of the building, the material of the external insulation provided as described above is mainly unrecoverable, with consequent waste of materials and further administrative problems associated with the disposal of the debris.
Furthermore, any operations to remove the covering are likewise laborious, costly, and wasteful in terms of time.
Moreover, external insulation coverings provided as described above can be easily prone to phenomena of condensation. In order to prevent such drawback, it may be necessary to add an additional ventilation layer, also external, to the covering, with further multiplication of the installation costs and times.
With the intention of simplifying installation operations, panels of semirigid thermally insulating material are also known, such as the above- mentioned expanded polystyrene, which are contoured to mutually couple by interlocking and are optionally already provided with an external finishing covering.
Such systems slightly speed up the laying of the covering, but are easily prone to infiltrations in the interlocking area between the panels, as well as to the above-mentioned phenomena of condensation.
Furthermore, although they have a partially modular structure, they offer no possibility to retrospectively modify the external covering alone, both for practical and for merely aesthetic purposes.
Therefore, the aim of the present invention is to provide a covering panel for external building faces which overcomes the drawbacks of the above-mentioned conventional insulation systems, specifically, which can be installed and optionally removed much more simply and rapidly, possibly even by a single operator and without the use of scaffolding, which can be recovered, e.g., in the event of resizing, stripping or restyling of the building, and which offers high performance levels in terms both of thermal and acoustic insulation, and of limiting condensation. Within this aim an object of the invention is to provide the above- mentioned panel at low cost.
This aim and this and other objects, which will become better apparent hereinafter, are achieved by a covering panel for external building faces according to claim 1, while the dependent claims define other characteristics of the invention which are advantageous, although secondary.
The invention will be now described in more detail, with reference to some preferred, but not exclusive, embodiments thereof, which are illustrated for the purposes of non-limiting example in the accompanying drawings, wherein:
Figure 1 is an exploded perspective view of the covering panel according to the invention;
Figure 2 is a transverse cross-sectional view of the covering panel according to the invention, in the disassembled configuration;
Figures 3-5 are three perspective views of the covering panel in Fig. 1 in three respective consecutive steps of assembly;
Figure 6 is a transverse cross-sectional view of the covering panel according to the invention, in the assembled configuration;
Figure 7 is a partially sectional front elevation view of the covering panel according to the invention, in the assembled configuration;
Figure 8 is a front elevation view of a generic outer wall of bricks of a building, on which some covering panels according to the invention are applied;
Figure 9 is a view similar to Fig. 1, showing a first alternative embodiment of the invention;
Figure 10 is a view similar to Fig. 8, showing a second alternative embodiment of the invention;
Figure 11 is a view similar to Fig. 8, showing a third alternative embodiment of the invention.
With reference to Figs. 1 and 2, a covering panel 10 according to the invention is shown, which is adapted to be applied to outer facades of buildings in any state, both unfinished, e.g., in brick, and completely or partially finished, e.g., by application of a protective layer of plaster.
The panel 10 comprises a support 12 which is preferably molded from synthetic material, e.g., polyethylene, polypropylene, or a combination thereof, or other thermoplastic or thermosetting polymers that have a suitable resistance to atmospheric agents.
The support 12 is provided with a rectangular base 14 and a perimetric wall 16 which rises on one side of the base 14 so as to define a rectangular seat 17.
On the opposite side of the base 14 a ventilation chamber 18 is defined (Fig. 6) which has the same rectangular profile as the base 14, but is arranged offset in a parallel arrangement with respect to the latter on two adjacent sides of the rectangular profile. The chamber 18 is delimited by a perimetric rib 20 which, by way of the aforementioned offset arrangement with respect to the base 14, protrudes along two first adjacent sides 16a, 16b of the perimetric wall 16 and is retracted along the two opposite adjacent sides 16c, 16d. In the area in which it protrudes from the perimeter of the base 14, the bottom of the chamber 18 is joined (i.e. closed) continuously with the base 14.
A fin 22 juts outwardly parallel to the base 14 from the edge of the perimetric wall 16. The fin 22 extends along the first two adjacent sides 16a, 16b of the perimetric wall in alignment with the protruding portion of the chamber 18 and, at its opposite ends, ends before meeting the other two adjacent sides 16c, 16d of the perimetric wall 16. Between the fin 22 and the protruding portion of the chamber 18 a recess R is therefore defined in which the protruding portion S of the seat 17 of an adjacent panel can be engaged with interlocking (Fig. 2).
The perimetric rib 20 is lowered in 20r along its two opposite sides almost to the level of the base 14. On each one of the other two opposite sides of the perimetric rib 20 two aligned and laterally adjacent slots 24 are provided which extend parallel to the base 14.
The chamber 18 is closed frontally by a cover 26 with a corresponding rectangular profile, which can be made, e.g., of aluminum.
The cover 26 has a roof 28 and a perimetric edge 30 which engages on the perimetric rib 20. The perimetric edge 30 is provided with a plurality of ventilation openings 32 on each one of the two sides that are intended to engage the lower sides of the perimetric rib 20. Therefore, the ventilation openings 32 open into the inside of the chamber 18 through the lowered areas of the perimetric edge 30. A pair of aligned and laterally adjacent shaped tabs 33, which are provided in one piece on the other two sides of the perimetric edge 30, are adapted to engage the slots 24 with retention.
The base 14 is provided with two holes 34, 36 for fixing the panel 10 to the wall of a building by way of screws. In particular, one of the two holes, 34, is provided inside the chamber 18 proximate to the corner between the lowered retracted side and the retracted side adjacent thereto of the perimetric rib 20. The other hole, 36, is provided inside the chamber 18 proximate to the corner between the same lowered retracted side and the protruding side of the perimetric rib 20, but inside the perimeter of the seat 17.
The support 12 accommodates a portion of a block 38 of rigid thermally insulating material, e.g., high-density polystyrene. The block 38 takes the form of two superimposed parallelepipeds 38a, 38b, which are offset in a mutually parallel arrangement on two adjacent sides, corresponding to the arrangement of the chamber 18 with respect to the base 14. One of the two parallelepipeds, 38a, is dimensioned to be received snugly in the seat 17. The other parallelepiped, 38b, has the same profile but a greater thickness, and juts outside the seat 17 in alignment with the chamber 18 and the fin 22.
As illustrated in Figs. 3-5, the panel is assembled by inserting the block 38 of thermally insulating material into the seat 17 of the support (Fig. 3), then engaging the cover 26 in the perimetric rib 20 to form the chamber 18 (Fig. 4), and finally locking the cover by inserting the shaped tabs 33 into the slots 24 (Fig. 5).
As illustrated in Fig. 8, the panel 10 according to the invention is adapted to be installed in association with other, identical panels on the external facade of a generic wall of a building, e.g., a wall of bricks W. The panels 10 are engageable with each other by interlocking, and each one of them is fixed to the wall by way of a single screw C inserted in one of the two holes 34, 36, optionally by way of the use of conventional wall screw anchors (not shown).
In the example in Fig. 8, one can begin by fixing the first panel to the wall in a left-hand downward region by way of a screw inserted in the right- hand hole. Thereafter a second panel is engaged beside the first panel and is locked in place by way of an additional screw, again inserted in the right- hand hole, and so on, until a horizontal row is completed. Each one of the panels of the row will remain stably fixed to the wall both on its left side, owing to the interlocking engagement with the bordering side panel which is screwed to the wall on the adjacent side, and also on its right side, by way of the screw. Once the bottom row is complete, the row immediately above is formed by following the same procedure. Note that each panel of the higher row is locked both on its left- and right-hand sides in a manner similar to the lower row, and also on its lower side owing to the interlocking engagement with the underlying panel which is screwed to the wall on the adjacent side, and also on its upper side by way of the screw.
The covers can be applied either in each instance immediately after having screwed the panel to the wall, or all together once the job is finished. In Fig. 8, the panels 10 are shown without covers for greater clarity. Optionally, the covers can have different colors so as to create geometric figures, wordings, etc., for decorative or identification purposes. The openings 32 ensure the ventilation necessary to prevent the formation of condensation. Furthermore they permit the outflow of water in the event of precipitation.
Obviously, the thickness and the material of the block 38 can be chosen as a function of the degree of insulation desired.
As the person skilled in the art will appreciate, the covering panel described fully achieves the set aims, it being easily installed and removed simply and quickly even by a single operator, optionally using an elevated work platform or cherry picker, without requiring the installation of scaffolding, with consequent saving in terms of labor and simplified management.
Furthermore the panels can be removed and installed elsewhere in the event of resizing or stripping of the building, with at least partial recovery of the costs of installation and relief from duties associated with waste disposal.
Also, by using covers with different colors/materials, whenever desired it will be possible to vary the appearance of the building simply by varying the arrangement of the covers.
Furthermore, the implementation in multiple layers, specifically, from innermost to outermost, a layer of thermally insulating material, a layer of plastic supporting material with waterproof properties, shaped so as to protect the thermally insulating material, and a ventilated air chamber closed by an aluminum cover, ensures high performance levels in terms both of thermal and acoustic insulation, and of limiting condensation. Furthermore, the panel thus provided is sturdy and long-lasting over time.
Last but not least, the person skilled in the art will easily understand that the above mentioned panel is also economic in terms of producing its three basic components. In particular, both the support 10 and the block 38 can be molded, while the cover 26, if in aluminum, can be made from a punched and folded metal sheet. Figure 9 shows an alternative embodiment of the invention, which differs from the previous embodiment only in that the block of insulation, which in the previous embodiment was made of a rigid material, is substituted by a layer of nonrigid thermally insulating material 138, e.g., rock wool or glass wool, adapted to be accommodated fully in the seat 117 of the support 112 without protruding outside. In this embodiment, therefore, the edge of the perimetric wall 116 abuts directly against the wall to be covered, which can be unfinished or already provided with a layer of cladding.
Figure 10 shows a further embodiment of the invention, which differs from the previous embodiments in that some of the covers, designated with 226, are contoured so as to engage a plurality of adjacent panels, e.g., four adjacent panels arranged in a square, instead of a single panel.
Figure 11 shows a further embodiment of the invention, which differs from the previous embodiment in that the various layers of the panel 310 have a parallelogram profile instead of a rectangular profile, optionally becoming a rhomboid profile.
Some preferred embodiments of the invention have been described, but obviously the person skilled in the art may make various modifications and variations within the scope of protection of the appended claims. In particular, the materials used can differ from what is described. For example, in the embodiments in which the thermally insulating material is rigid, different materials can be used such as expanded polystyrene, cork and the like. The material of the support can also be varied and does not necessarily have to be a plastic material; e.g., the support can be made of aluminum. Furthermore, although the fin defines a rigid interlocking seat that ensures a snug interlocking between the panels, it is not strictly necessary. Also, although in the embodiments described the ventilation chamber is formed by the perimetric rib integral with the support and by the cover that engages thereupon, the chamber could likewise be constituted by a self-contained hollow body that is removable in its entirety from the support. Last but not least, although the quadrilateral profiles are optimal from the functional point of view and in terms of manufacturing cost, obviously it would be possible to make panels with different polygonal profiles, e.g., hexagonal or octagonal, as long as the base and the ventilated chamber have an arrangement that is mutually offset along at least two adjacent sides. Obviously, the mutual engagement means between the cover and the support can be substituted by other, conventional fixing systems, such as screws, or they can be inverted, i.e., the slots could be provided on the cover and the tabs could be integral with the support.
The disclosures in Italian Patent Application No. TO2015A000169 (102015902338515) from which this application claims priority are incorporated herein by reference.
Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly, such reference signs do not have any limiting effect on the interpretation of each element identified by way of example by such reference signs.

Claims

1. A covering panel for external building faces, characterized in that it comprises a support (10) provided with a base (14) having a polygonal profile and a perimetric wall (16) which rises from one side of the base (14) so as to define a seat (17) in which is accommodated thermally insulating material (36), and at least one ventilated chamber (18) which is superimposed on said base (14) on the opposite side with respect to said seat (17) and has substantially the same polygonal profile arranged offset along at least two adjacent sides for the interlocking coupling of a plurality of identical panels fixed to a face to be covered (W).
2. The covering panel according to claim 1, characterized in that said ventilated chamber (18) is closed frontally by a removable cover (26) connected to said support (10) by way of mutual engagement means (24, 32).
3. The covering panel according to claim 2, characterized in that said chamber (18) is delimited by a perimetric rib (20) which is integral with the base (24) and can be engaged by a corresponding perimetric edge (30) of said cover (26) provided with ventilation openings (32).
4. The covering panel according to claim 3, characterized in that said mutual engagement means comprise shaped tabs (32) which are integral with either said perimetric rib (20) or said perimetric edge (30) and can engage with retention in corresponding slots (24) which are defined on the other one of either said perimetric rib (20) or said perimetric edge (30).
5. The covering panel according to one or more of claims 1 to 4, characterized in that it comprises a fin (22) which protrudes outwardly from the edge of said perimetric wall (16) parallel to the base (14) in alignment with the protruding portion of said chamber (18), so as to define a recess (R) in which a corresponding protruding portion (S) of the seat (17) of an adjacent panel can be engaged with interlocking.
6. The covering panel according to one or more of claims 1 to 5, characterized in that said thermally insulating material is a substantially rigid material, shaped in the form of two superimposed prisms (38a, 38b) that have substantially the same polygonal profile as said base (14) and are offset in a mutually parallel arrangement so as to correspond to said chamber (18) with respect to said base (14), one of said prisms (38a) being received with snug coupling in the seat (17), the other one of said prisms (38b) protruding outside of said seat (17) in alignment with said chamber (18).
7. The covering panel according to one or more of claims 1 to 6, characterized in that said cover (226) is shaped so as to engage a plurality of adjacent identical panels.
8. The covering panel according to one or more of claims 1 to 7, characterized in that said polygonal profile is a quadrilateral profile.
9. The covering panel according to claim 8, characterized in that said polygonal profile is a rectangular profile.
10. The covering panel according to claim 8, characterized in that said polygonal profile is a parallelogram profile.
EP16715465.7A 2015-03-16 2016-03-15 Covering panel for external building faces Active EP3271526B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20150169 2015-03-16
PCT/EP2016/055576 WO2016146631A1 (en) 2015-03-16 2016-03-15 Covering panel for external building faces

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EP3271526A1 true EP3271526A1 (en) 2018-01-24
EP3271526B1 EP3271526B1 (en) 2019-09-11

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CN106522460B (en) * 2016-11-29 2018-11-16 马计划 A kind of insulation noise reduction wall and preparation method thereof
RU2649209C2 (en) * 2017-04-07 2018-03-30 АО Казанский научно-исследовательский институт авиационных технологий (АО КНИАТ) Sound absorbing panel and industrial room
IT201800003193A1 (en) * 2018-03-01 2019-09-01 Enea Agenzia Naz Per Le Nuove Tecnologie Lenergia E Lo Sviluppo Economico Sostenibile PANEL FOR ACTIVE GAPS THAT CAN BE INTEGRATED IN MULTILAYER ON SITE AND PREFABRICATED WALLS WITH HIGH THERMAL PERFORMANCE
KR102103540B1 (en) * 2019-06-26 2020-04-23 삼원액트 주식회사 Flammable thin film construction metal material with built-in material attached and attachment structure for attaching it
CN113404248B (en) * 2021-08-03 2022-07-12 黄峰 Decorate wallboard and hang installation adjustable assembly futilely

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Publication number Priority date Publication date Assignee Title
US2585082A (en) * 1947-01-02 1952-02-12 Jr George H Bollinger Insulated metal panel
US3001613A (en) * 1952-07-24 1961-09-26 Robert K Mcberty Interlocking metal building panel
DE2551597C2 (en) * 1975-11-18 1984-12-06 Werner 8592 Wunsiedel Jabs Thermal insulation elements for external building walls
FR2471456A1 (en) * 1979-12-11 1981-06-19 Luchaire Sa PANEL FOR THE EXTERIOR COATING OF BUILDINGS
FR2520408A1 (en) * 1982-01-22 1983-07-29 Smac Acieroid EXTERNAL INSULATION ELEMENT AND CLOTHING USING SUCH ELEMENTS

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EP3271526B1 (en) 2019-09-11

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