EP4013919B1 - Wall panel and wall structure - Google Patents
Wall panel and wall structure Download PDFInfo
- Publication number
- EP4013919B1 EP4013919B1 EP20757558.0A EP20757558A EP4013919B1 EP 4013919 B1 EP4013919 B1 EP 4013919B1 EP 20757558 A EP20757558 A EP 20757558A EP 4013919 B1 EP4013919 B1 EP 4013919B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall panel
- board
- partition boards
- elongated support
- support structures
- 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.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 61
- 238000009413 insulation Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011120 plywood Substances 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6141—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by an additional locking key
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
- E04B2/706—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function
- E04B2/707—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function obturation by means of panels
-
- 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
- E04C2/34—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 composed of two or more spaced sheet-like parts
-
- 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
- E04C2/34—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 composed of two or more spaced sheet-like parts
- E04C2/3405—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 composed of two or more spaced sheet-like parts spaced apart by profiled spacer sheets
-
- 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
- E04C2/386—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 frame of unreconstituted or laminated wood
-
- 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
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
-
- 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
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
-
- 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
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
-
- 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
Definitions
- the invention relates to a wall panel which comprises a frame structure and a first board and a second board attached to it, whereby there is an insulation space between the first board and the second board. More specifically, the invention relates to a wall panel according to the preamble of accompanying claim 1.
- the wall panel is suitable for use in house construction.
- the invention also relates to a wall structure which comprises two similar wall panels stacked on top of each other.
- a wall panel of said kind is know from patent specification GB2490304A .
- the suitability of this known wall panel to provide sturdy and tall vertical wall structures for e.g. multi-storey houses is poor.
- WO 2007/068297 A1 discloses a similar wall panel. Two of these wall panels are stackable through a tongue and groove connection.
- the object of the invention is to provide a novel multipurpose wall panel which enables producing sturdy tall walls in house construction by stacking several wall panels according to the invention on top of each other.
- the walls can be interior or exterior walls.
- the wall panel according to the invention is characterized by what is disclosed in the characterizing part of the attached claim 1.
- the wall panel according to the invention comprises a set of adjacent elongated support structures to which are attached opposite first and second wall-panel boards as well as first and second partition boards offset such that top ends of the support structures form a tongue structure to the first end (e.g. top end) of the wall panel, and the bottom ends of the first partition boards form a groove structure with the bottom end of the first boards of the wall panel (also the bottom ends of the second partition boards and the bottom end of the second board of the wall panel form a groove structure) to the second end of the wall panel, which is opposite in relation to the first end of the wall panel, which tongue structure and groove structure enable forming a tongue-and-groove joint with two similar wall panels when they are stacked on top of each other for attaching the wall panels together.
- first and second additional spaces function as sound and heat insulation and can form ventilation channels in the height direction of the wall panel.
- An essential characteristic of the wall panel according to the invention is that there are openings at the upper ends of the elongated support structures and there are openings at the bottom ends of the elongated partition boards and there are openings at the bottom ends of the first board and the second board for receiving fastening dowels, with the help of which fastening dowels two wall panels set on top of each other can be locked together at the point of the tongue-and-groove joint such that the fastening dowels go through the openings at the bottom ends of the elongated partition boards of the upper wall panel and through the openings at the top ends of the elongated support structures of the lower wall panel.
- Said openings and fastening dowels enable the stacking of two similar wall panels and their easy attachment together on top of each other such that the result is a joint between the wall panels which joint is very sturdy and prevents external forces or loads from transferring wall panels set on top of each other in relation to each other in the direction of the planes of the wall panels, including transfers in the vertical direction, and also decreasing the so-called hinge effect i.e. that the wall panels set on top of each other fall due to lateral forces at the point of the tongue-and-groove joint and settled in a position in which the wall panels are not accurately parallel.
- the top ends of the support structures are tapering upwards i.e. they contain bevels.
- the bevels considerably facilitate the mounting of the wall panels on top of each other, because it is possible to describe the tongue-and-groove joint between the wall panels stack on top of each other as tolerance-free.
- the frame structure of the wall panel is of wood or of material containing wood.
- the first additional spaces of the wall panel contain sand.
- the sand provides the wall panel with a good damping capacity against structure-borne sounds, such as against knocking caused by impacts.
- the great advantage of the wall panel according to the invention is that it enables producing very sturdy vertical walls and wall structures by installing two or several wall panels according to the invention on top of each other.
- the wall structures also endure well lateral forces which can be caused by wind loads.
- the elongated support structures are in line without tolerance and the partition boards are in line without tolerance.
- the support structures and partition boards form vertical structures which can be loaded with very high forces in the vertical direction in order to construct even a multi-storey house.
- the first and the second boards of the wall panels are also in line preferably without tolerance, which further increases the load-bearing capacity of the wall panels in the vertical direction.
- An advantage of the wall panels is also that the separate additional spaces in the wall panel, which form vertical channels, can be utilized for many kinds of use depending on the use of the wall panel: sound insulation (structure-borne sounds in addition to air sounds), electric wiring, installation of water pipes etc.
- the wall structure according to the invention is sturdy and easy to build up from the wall panels according to the invention.
- Figure 1 shows a rectangular wall panel according to the invention.
- Figure 2 illustrates a top view of the wall panel of Figure 1 .
- the height of the wall panel if 2.5-4 m, its width 2-5 m and its thickness L1 (see Figure 2 ) 100-800 mm.
- the height of the wall panel is preferably such that a wall equivalent to the height of a room in a multi-storey house can be provided with one panel.
- the wall panel comprises a frame structure 7 and a first board 8 being supported by it and a second board 9. Face surfaces of the boards 8, 9 are designated as 1 and 2, respectively (see Figures 1 and 2 ).
- the boards 8, 9 are fastened to vertical elongated support structures 10 of the frame structure 7, of which support structures there are several arranged adjacently at a distance L2 from each other.
- the number of the support structures 10 is 5 to 20 depending on the width of the wall panel.
- the distance L2 is 200-700 mm.
- the frame structure 7 also includes a set of elongated vertical partition boards 13a, 13b which are fastened to the support structures 10.
- the thickness of the partition boards 13a, 13b can be 10-70 mm depending on the purpose of use of the wall panel.
- the interior of the wall panel comprises an insulation space 14 which preferably contains polyurethane or polystyrene.
- the polyurethane and the polystyrene operate as heat and sound insulation as well as make the wall panel sturdier.
- the width i.e. thickness L4 of the insulation space 14 is 100-350 mm.
- the construction of the support structure 10 is shown in Figure 7 .
- the support structure 10 comprises a plank-like first post 10a and a plank-like second post 10b which is parallel with the first post.
- the posts 10a, 10b are joined by a set of connecting pieces 10c, whereby the support structure 10 is ladder-like.
- the cross section of the plank-like posts 10a, 10b is a rectangle. Due to its ladder-like structure, the support structure 10 is light.
- the number of the connecting pieces 10c in the support structure 10 is preferably 3to 7.
- the height (length) L3 of the support structure 10 equals the height of the wall panel.
- number 11 designates a first mounting surface onto which the first board 8 of the wall panel is attached, cf.
- Figures 1 and 2 designates a first mounting surface onto which the first board 8 of the wall panel is attached, cf.
- the post 10b includes an equivalent mounting surface onto which the second board 9 is attached, cf.
- Figures 1 and 2 designation 12 in Figure 2 shows said second mounting surface).
- the first mounting surface 11 and the second mounting surface 12 are formed of the end surfaces pointing outwards of the plank-like posts 10a, 10b.
- the boards 8, 9 are attached onto the mounting surfaces 11, 12 with screws, nails or glue.
- the first and the second partition boards 13a, 13b are set between the support structures 10 preferably without tolerance.
- the length L3 of the partition boards 13a, 13b equals the height of the wall panel.
- the partition boards 13a, 13b are attached e.g. with nails onto the inner surfaces of the posts 10a, 10b of the support structure 10 which inner surfaces form support surfaces for the partition boards.
- the attachment of the partition boards 13a, 13b onto the inner surfaces of the posts 10a, 10b can alternatively or additionally implemented with glue.
- Figure 2 shows best that the partition boards 13a, 13b form in the wall structure a set of separate first additional spaces 15a and a set of separate second additional spaces 15b.
- the first additional spaces 15a are between the first board 8 and the first partition boards 13a and are limited by the first board 8, the first partition boards 13a and the support structures 10.
- the second additional spaces 15b are between the second board 9 and the second partition boards 13b and are limited by the second board 9, the second partition boards 13b and the support structures 10.
- additional spaces 15b can be air ducts which operate as ventilation ducts or ventilation gaps of the wall panel.
- the additional spaces 15a can - irrespective of the wall panel being an exterior wall panel or an interior wall panel - filled partially or totally with sand which provides the wall panel a good sound attenuation against impact noises.
- the grain size of the sand is preferably 0-4 mm.
- the additional spaces 15a and/or 15b can alternatively or additionally operate as channels for electric wires or pipes. If the sound insulation of the wall panel is particularly important, both the additional spaces 15a and the additional spaces 15b contain sand.
- Such a wall structure can be used between room spaces as the so-called separation wall.
- the width (thickness) of the additional spaces 15a, 15b i.e. the distance of the boards 8, 9 from the partition boards 15a, 15b is 30-70 mm.
- Figures 1 , 3 and 4 show that the elongated support structures 10 are offset in relation to the boards 8 and 9 such that the top ends 16 of the support structures 10 are arranged above the top ends 17 and 21 of the first board 8 and the second board 9, respectively, and above the top ends 18a and 18b of the first and the second partition boards 13a and 13b, respectively, in order to provide a tongue structure at the first end 3 of the wall panel (the top end of the wall panel in the Figures), whereby the bottom ends 19 of the elongated support structures 10 are arranged above the bottom end 20 of the first board 8 and the bottom end of the second board 9 and above the bottom ends 22a and 22b of the first and the second partition boards 13a and 13b, respectively, whereby the bottom ends 22a and 22b of the first and the second partition boards 13a and 13b, respectively, and the bottom ends 20 of the first and the second board 8 and 9, respectively, form a groove structure at the second end 4 of the wall panel (the bottom end of the wall panel in the Figures), which tongue structure and
- the described wall panels provide a tongue-and-groove joint which comprises two tongues and two grooves working in co-operation with the tongues, whereby the tongue-and-groove joint can be called a double tongue-and-groove joint.
- Figure 3 illustrates the setting of the wall panels on top of each other for attaching them together to provide the tongue-and-groove joint shown in Figure 4 .
- the top ends 16 of the support structures 10 are tapering upwards i.e. they are bevelled, whereby they are easily directed to the groove structure at the bottom end of the upper wall panel.
- the bevels greatly facilitate attaching the wall panels together, because the formed tongue structure is in practice tolerance-free, which without bevels would necessitate the extremely accurate aligning of the wall panels being set on top of each other before the ends of the wall panels can be attached.
- the bottom ends of the partition boards 13a, 13b are also bevelled (not shown in Figures) in order to facilitate providing the tongue-and-groove joint or that only the bottom ends of the partition boards are bevelled, whereby the top ends 16 of the support structures 10 are left unbevelled.
- the top ends 16 of the support structures 10 are bevelled than that the bottom ends 13a, 13b of the partition boards are bevelled.
- the bottom end 4' of the upper wall panel is supported on the top end 3 of the lower wall panel such that the bottom end 19' of the support structure 10' of the upper wall panel is supported on the top end 16 of the support structure 10 of the lower wall panel.
- the support is tolerance-free in the vertical direction and also in the lateral direction.
- the bottom ends 22a', 22b' of the partition boards 13a' and 13b' of the upper wall panel are supported by the top ends 18a, 18b of the partition boards 13a and 13b of the lower wall panel. Due to the shown tolerance-free support of the support structures 10' and 10 and the partition boards 13a', 13b' and 13a, 13b, the wall structures endure well high vertical loads.
- the bottom ends 20' of the boards 8', 9' of the upper wall panel are supported on the top ends 17, 21 of the boards 8, 9 of the lower wall panel, because this increases the rigidity and load-bearing capability of the wall panels.
- number 23 designates openings at the top ends 16 of the support structure 10.
- the fastening dowels 25 are pushed into the openings 23, whereby the tongue-and-groove joint is locked.
- the partition boards 13a', 13b' are equivalent openings 26' into which said fastening dowels 25 go, cf. openings 26 and 24, respectively, in Figure 1 .
- the diameter of the openings 23, 24, 26 and the fastening dowels 25 is 20-30 mm.
- the number of the openings 23, 24, 26 may vary.
- the fastening dowels 25 are preferably of wood.
- Figures 5 and 6 illustrate the manufacturing of a wall panel.
- a set of support structures 10 are set adjacently ( Figures 5 and 6 show six support structures adjacently in line), after which, the support structures are attached to each other by the partition boards 13b.
- the partition boards 13b set against the connecting pieces 10c of the support structures 10 thus attaching to the latter e.g. by a nail joint.
- the partition boards 13a are attached to the support structures 10 (not shown in Figure 6 ), after which, the boards 8 and 9 and are fastened onto the mounting surface of the support structures 10.
- Figure 8 shows an alternative and possible support structure for the support structure 10 of Figure 7 .
- the support structure of Figure 8 is lighter that the support structure of Figure 7 , but its strength does not nearly equal the strength of the support structure of Figure 7 ; furthermore, attaching the connecting pieces to the support structure of Figure 8 is tricky, because the support structure of Figure 7 does not include a large support surface for the attachment of the connecting pieces.
- the support structure 10 of the wall panel is preferably of wood.
- the partition boards 13a, 13b are of OSB board, plywood, fibreboard, veneer plate or plasterboard.
- the support structures 10 do not have to be ladder-like structures, even though ladder-like structures are particularly preferable due to their high strength in relation to their weight.
- a metal U profile can form the support structure.
- the number and dimensions of the support structures 10 included in the wall panel and also other components can vary depending on the intended use.
Description
- The invention relates to a wall panel which comprises a frame structure and a first board and a second board attached to it, whereby there is an insulation space between the first board and the second board. More specifically, the invention relates to a wall panel according to the preamble of accompanying
claim 1. The wall panel is suitable for use in house construction. The invention also relates to a wall structure which comprises two similar wall panels stacked on top of each other. - A wall panel of said kind is know from patent specification
GB2490304A -
WO 2007/068297 A1 discloses a similar wall panel. Two of these wall panels are stackable through a tongue and groove connection. - The object of the invention is to provide a novel multipurpose wall panel which enables producing sturdy tall walls in house construction by stacking several wall panels according to the invention on top of each other. The walls can be interior or exterior walls. In order to achieve this object, the wall panel according to the invention is characterized by what is disclosed in the characterizing part of the attached
claim 1. - The wall panel according to the invention comprises a set of adjacent elongated support structures to which are attached opposite first and second wall-panel boards as well as first and second partition boards offset such that top ends of the support structures form a tongue structure to the first end (e.g. top end) of the wall panel, and the bottom ends of the first partition boards form a groove structure with the bottom end of the first boards of the wall panel (also the bottom ends of the second partition boards and the bottom end of the second board of the wall panel form a groove structure) to the second end of the wall panel, which is opposite in relation to the first end of the wall panel, which tongue structure and groove structure enable forming a tongue-and-groove joint with two similar wall panels when they are stacked on top of each other for attaching the wall panels together. Most preferably said structures form in the wall panel a set of separate first additional spaces between the first partition boards and the first board of the wall panel and between the second partition boards and the second board of the wall panel, which additional spaces can have various functions depending on the use and purpose of the wall panel. The first and second additional spaces function as sound and heat insulation and can form ventilation channels in the height direction of the wall panel. An essential characteristic of the wall panel according to the invention is that there are openings at the upper ends of the elongated support structures and there are openings at the bottom ends of the elongated partition boards and there are openings at the bottom ends of the first board and the second board for receiving fastening dowels, with the help of which fastening dowels two wall panels set on top of each other can be locked together at the point of the tongue-and-groove joint such that the fastening dowels go through the openings at the bottom ends of the elongated partition boards of the upper wall panel and through the openings at the top ends of the elongated support structures of the lower wall panel. Said openings and fastening dowels enable the stacking of two similar wall panels and their easy attachment together on top of each other such that the result is a joint between the wall panels which joint is very sturdy and prevents external forces or loads from transferring wall panels set on top of each other in relation to each other in the direction of the planes of the wall panels, including transfers in the vertical direction, and also decreasing the so-called hinge effect i.e. that the wall panels set on top of each other fall due to lateral forces at the point of the tongue-and-groove joint and settled in a position in which the wall panels are not accurately parallel.
- Preferably the top ends of the support structures are tapering upwards i.e. they contain bevels. The bevels considerably facilitate the mounting of the wall panels on top of each other, because it is possible to describe the tongue-and-groove joint between the wall panels stack on top of each other as tolerance-free.
- Preferably, the frame structure of the wall panel is of wood or of material containing wood.
- Preferably, the first additional spaces of the wall panel contain sand. The sand provides the wall panel with a good damping capacity against structure-borne sounds, such as against knocking caused by impacts.
- Preferred embodiments of the invention are disclosed in the attached dependent claims.
- The great advantage of the wall panel according to the invention is that it enables producing very sturdy vertical walls and wall structures by installing two or several wall panels according to the invention on top of each other. The wall structures also endure well lateral forces which can be caused by wind loads. In the wall panels set on top of each other, the elongated support structures are in line without tolerance and the partition boards are in line without tolerance. Together, the support structures and partition boards form vertical structures which can be loaded with very high forces in the vertical direction in order to construct even a multi-storey house. The first and the second boards of the wall panels are also in line preferably without tolerance, which further increases the load-bearing capacity of the wall panels in the vertical direction. An advantage of the wall panels is also that the separate additional spaces in the wall panel, which form vertical channels, can be utilized for many kinds of use depending on the use of the wall panel: sound insulation (structure-borne sounds in addition to air sounds), electric wiring, installation of water pipes etc. The wall structure according to the invention is sturdy and easy to build up from the wall panels according to the invention.
- The invention will now be described in more detail by means of a preferred embodiment thereof and with reference to the accompanying drawing, in which
-
Figure 1 shows a perspective view of a wall panel according to the invention, -
Figure 2 illustrates a top view of the wall panel ofFigure 1 , -
Figure 3 illustrates the attaching of two wall panels according to the invention to each other, -
Figure 4 shows a tongue-and-groove joint of two wall panels according to the invention set on top of each other, -
Figures 5 and6 illustrate the manufacture of a wall panel according to the invention, -
Figure 7 shows an elongated support structure in the wall panel ofFigure 1 , and -
Figure 8 shows an alternative support structure forFigure 7 . -
Figure 1 shows a rectangular wall panel according to the invention.Figure 2 illustrates a top view of the wall panel ofFigure 1 . The height of the wall panel if 2.5-4 m, its width 2-5 m and its thickness L1 (seeFigure 2 ) 100-800 mm. The height of the wall panel is preferably such that a wall equivalent to the height of a room in a multi-storey house can be provided with one panel. - The wall panel comprises a frame structure 7 and a
first board 8 being supported by it and asecond board 9. Face surfaces of theboards Figures 1 and2 ). Theboards elongated support structures 10 of the frame structure 7, of which support structures there are several arranged adjacently at a distance L2 from each other. The number of thesupport structures 10 is 5 to 20 depending on the width of the wall panel. The distance L2 is 200-700 mm. The frame structure 7 also includes a set of elongatedvertical partition boards support structures 10. The thickness of thepartition boards insulation space 14 which preferably contains polyurethane or polystyrene. The polyurethane and the polystyrene operate as heat and sound insulation as well as make the wall panel sturdier. The width i.e. thickness L4 of theinsulation space 14 is 100-350 mm. - The construction of the
support structure 10 is shown inFigure 7 . Thesupport structure 10 comprises a plank-likefirst post 10a and a plank-likesecond post 10b which is parallel with the first post. Theposts support structure 10 is ladder-like. The cross section of the plank-like posts support structure 10 is light. The number of the connecting pieces 10c in thesupport structure 10 is preferably 3to 7. The height (length) L3 of thesupport structure 10 equals the height of the wall panel. InFigure 7 ,number 11 designates a first mounting surface onto which thefirst board 8 of the wall panel is attached, cf.Figures 1 and2 . Thepost 10b includes an equivalent mounting surface onto which thesecond board 9 is attached, cf.Figures 1 and2 (designation 12 inFigure 2 shows said second mounting surface). The first mountingsurface 11 and the second mountingsurface 12 are formed of the end surfaces pointing outwards of the plank-like posts boards surfaces - In
Figures 1 and2 , the first and thesecond partition boards support structures 10 preferably without tolerance. The length L3 of thepartition boards partition boards posts support structure 10 which inner surfaces form support surfaces for the partition boards. The attachment of thepartition boards posts -
Figure 2 shows best that thepartition boards additional spaces 15a and a set of separate secondadditional spaces 15b. In more detail, the firstadditional spaces 15a are between thefirst board 8 and thefirst partition boards 13a and are limited by thefirst board 8, thefirst partition boards 13a and thesupport structures 10. Equivalently, the secondadditional spaces 15b are between thesecond board 9 and thesecond partition boards 13b and are limited by thesecond board 9, thesecond partition boards 13b and thesupport structures 10. If the wall panel is an exterior wall panel and thewall 9 is an exterior wall,additional spaces 15b can be air ducts which operate as ventilation ducts or ventilation gaps of the wall panel. Theadditional spaces 15a can - irrespective of the wall panel being an exterior wall panel or an interior wall panel - filled partially or totally with sand which provides the wall panel a good sound attenuation against impact noises. The grain size of the sand is preferably 0-4 mm. Theadditional spaces 15a and/or 15b can alternatively or additionally operate as channels for electric wires or pipes. If the sound insulation of the wall panel is particularly important, both theadditional spaces 15a and theadditional spaces 15b contain sand. Such a wall structure can be used between room spaces as the so-called separation wall. The width (thickness) of theadditional spaces boards partition boards -
Figures 1 ,3 and4 show that the elongated support structures 10 are offset in relation to the boards 8 and 9 such that the top ends 16 of the support structures 10 are arranged above the top ends 17 and 21 of the first board 8 and the second board 9, respectively, and above the top ends 18a and 18b of the first and the second partition boards 13a and 13b, respectively, in order to provide a tongue structure at the first end 3 of the wall panel (the top end of the wall panel in the Figures), whereby the bottom ends 19 of the elongated support structures 10 are arranged above the bottom end 20 of the first board 8 and the bottom end of the second board 9 and above the bottom ends 22a and 22b of the first and the second partition boards 13a and 13b, respectively, whereby the bottom ends 22a and 22b of the first and the second partition boards 13a and 13b, respectively, and the bottom ends 20 of the first and the second board 8 and 9, respectively, form a groove structure at the second end 4 of the wall panel (the bottom end of the wall panel in the Figures), which tongue structure and groove structure enable the forming of a tongue-and-groove joint between two similar wall panels when they are set on top of each other in accordance withFigure 4 . The described wall panels provide a tongue-and-groove joint which comprises two tongues and two grooves working in co-operation with the tongues, whereby the tongue-and-groove joint can be called a double tongue-and-groove joint.Figure 3 illustrates the setting of the wall panels on top of each other for attaching them together to provide the tongue-and-groove joint shown inFigure 4 . The top ends 16 of thesupport structures 10 are tapering upwards i.e. they are bevelled, whereby they are easily directed to the groove structure at the bottom end of the upper wall panel. The bevels greatly facilitate attaching the wall panels together, because the formed tongue structure is in practice tolerance-free, which without bevels would necessitate the extremely accurate aligning of the wall panels being set on top of each other before the ends of the wall panels can be attached. It can be considered that alternatively or additionally the bottom ends of thepartition boards support structures 10 are left unbevelled. However, it is much more preferable from the viewpoint of the manufacture of the wall panel that the top ends 16 of thesupport structures 10 are bevelled than that the bottom ends 13a, 13b of the partition boards are bevelled. - In
Figure 4 , the components of the wall panel on the top are designated with the same numbers as the components of the wall panel on the bottom and the components of the wall panel shown inFigures 1 and2 . - In the tongue-and-groove joint shown in
Figure 4 , the bottom end 4' of the upper wall panel is supported on the top end 3 of the lower wall panel such that the bottom end 19' of the support structure 10' of the upper wall panel is supported on thetop end 16 of thesupport structure 10 of the lower wall panel. The support is tolerance-free in the vertical direction and also in the lateral direction. The bottom ends 22a', 22b' of thepartition boards 13a' and 13b' of the upper wall panel are supported by the top ends 18a, 18b of thepartition boards support structures 10' and 10 and thepartition boards 13a', 13b' and 13a, 13b, the wall structures endure well high vertical loads. This is important when setting several wall panels on top of each other when constructing a multi-storey house. Preferably, the bottom ends 20' of the boards 8', 9' of the upper wall panel are supported on the top ends 17, 21 of theboards - In
Figure 4 ,number 23 designates openings at the top ends 16 of thesupport structure 10. When the upper wall panel is set on top of the lower wall panel and the tongue-and-groove joint formed, the fastening dowels 25 are pushed into theopenings 23, whereby the tongue-and-groove joint is locked. At the bottom ends of thepartition boards 13a', 13b' are equivalent openings 26' into which said fastening dowels 25 go, cf.openings Figure 1 . The diameter of theopenings openings board boards 8 and/or 9, cf. theopenings 28 at the bottom end of theboard 8 inFigure 1 . -
Figures 5 and6 illustrate the manufacturing of a wall panel. First, a set ofsupport structures 10 are set adjacently (Figures 5 and6 show six support structures adjacently in line), after which, the support structures are attached to each other by thepartition boards 13b. Preferably, thepartition boards 13b set against the connecting pieces 10c of thesupport structures 10 thus attaching to the latter e.g. by a nail joint. Then, thepartition boards 13a are attached to the support structures 10 (not shown inFigure 6 ), after which, theboards support structures 10. -
Figure 8 shows an alternative and possible support structure for thesupport structure 10 ofFigure 7 . The support structure ofFigure 8 is lighter that the support structure ofFigure 7 , but its strength does not nearly equal the strength of the support structure ofFigure 7 ; furthermore, attaching the connecting pieces to the support structure ofFigure 8 is tricky, because the support structure ofFigure 7 does not include a large support surface for the attachment of the connecting pieces. - The
support structure 10 of the wall panel is preferably of wood. Thepartition boards - In the following, a list is presented to explain the meaning of the designations used for describing the invention.
- 1
- first face surface of wall panel
- 2
- second face surface of wall panel
- 3
- first end of wall panel
- 4
- second end of wall panel
- 5
- first side of wall panel
- 6
- second side of wall panel
- 7
- frame structure of wall panel
- 8
- first board of wall panel
- 9
- second board of wall panel
- 10
- elongated support structure
- 10a
- plank-like first post
- 10b
- plank-like second post
- 10c
- connecting piece
- 11
- first mounting surface of
support structure 10 - 12
- second mounting surface of
support structure 10 - 13a
- first partition board
- 13b
- second partition board
- 14
- insulation space
- 15a
- first additional spaces
- 15b
- second additional spaces
- 16
- top end of
support structure 10 - 17
- top end of
first board 8 - 18a
- top end of
first partition board 13a - 18b
- top end of
second partition board 13b - 19
- bottom end of
support structure 10 - 20
- bottom end of
first board 8 - 21
- top end of
second board 9 - 22a
- bottom end of
first partition board 13a - 22b
- bottom end of
second partition board 13b - 23
- opening at top end of
support structure 10 - 24
- opening at bottom end of
second partition board 13b - 25
- fastening dowel
- 26
- openings at bottom ends of
partition boards 13a - 28
- openings at bottom end of
board 9 - L1
- distance (thickness of wall panel)
- L2
- distance (mutual distance between support structures
- 10) L3
- distance (length of support structure 10), height of first and second board, length of
partition boards 13a, 15 - L4
- thickness of
insulation space 14 - In the above, the invention is only described by means of an example, wherefore it should be noted that the details of the invention may be implemented in various ways within the scope of the attached claims. Hence for example, the
support structures 10 do not have to be ladder-like structures, even though ladder-like structures are particularly preferable due to their high strength in relation to their weight. Instead of a wooden ladder-like support structure, it can be considered that a metal U profile can form the support structure. The number and dimensions of thesupport structures 10 included in the wall panel and also other components can vary depending on the intended use.
Claims (15)
- A wall panel which comprises a first face surface (1) and a second face surface (2) being opposite in relation to the first face surface (1), a first end (3) and a second end (4) being opposite in relation to the first end (3), a first side (5) and a second side (6) being opposite in relation to the first side (5), a frame structure (7) and a first board (8) attached to it and a second board (9) which is opposite in relation to the first board (8) and which is attached to the frame structure (7) at a distance (L1) from the first board (8) and is parallel with the first board (8), whereby there is an insulation space (14) between the first board (8) and the second board (9), in which wall panel additionally- the frame structure (7) comprises several adjacent elongated support structures (10) arranged at a distance (L2) from each other, which support structures extend from the second end (4) of the wall panel to the first end (3) of the wall panel and comprise a first mounting surface (11) for receiving the first board (8) of the wall panel and a second mounting surface (12) opposite in relation to the first mounting surface (11) for receiving the second board (9) of the wall panel, the first board (8) of the wall panel being attached onto the first mounting surface (11) of the elongated support structure (10) and the second board (9) of the wall panel being attached to the second mounting surface (12) of the elongated support structure (10), and- the wall panel comprises several elongated first partition boards (13a), which are arranged between the insulation space (14) and the first board (8), and several elongated second partition boards (13b), which are arranged between the insulation space (14) and the second board (9), which first and second partition boards (13a and 13b respectively) are parallel with the first board (8) and the second board (9) of the wall panel and form with the elongated support structures (10) and the first board (8) and the second board (9) of the wall panel a set of separate first additional spaces (15a) between the first board (8) and the first partition boards (13a) of the wall panel and a set of separate second additional spaces (15b) between the second board (9) and the second partition boards (13b) of the wall panel, characterized in that- the length (L3) of the elongated support structures (10; 10') equals the length (L3) of the first board (8; 8') and the second board (9; 9') and the length (L3) of the first and second partition boards (13a and 13b, respectively; 13a' and 13b', respectively) and that the elongated support structures (10; 10') are offset in relation to the first board (8; 8') and the second board (9; 9') such that their top ends (16) are arranged above the top ends (17; 21) of the first board (8; 8') and the second board (9; 9') and above the top ends (18a and 18b, respectively) of the first and the second partition boards (13a and 13b, respectively; 13a' and 13b' respectively) in order to provide a tongue structure at the first end (3) of the wall panel, whereby the bottom ends (19; 19') of the elongated support structures (10; 10') are arranged above the bottom ends (20; 20') of the first board (8; 8') and the second board (9; 9') and above the bottom ends (22a and 22b, respectively; 22a' and 22b', respectively) of the first and the second partition boards (13a and 13b, respectively; 13a' and 13b', respectively), whereby the bottom ends (22a and 22b, respectively; 22a' and 22b' respectively) of the first and the second partition boards (13a and 13b, respectively; 13a' and 13b', respectively) and the bottom ends (20; 20') of the first and the second board (8 and 9, respectively; 8' and 9', respectively) form a groove structure at the second end (4; 4') of the wall panel, which tongue structure and groove structure enable the forming of a tongue-and-groove joint between two similar wall panels when they are set on top of each other for joining the wall panels, and- there are openings (23) at the top ends (16) of the elongated support structures (10) and there are openings (24, 26) at the bottom ends (22a, 22b) of the elongated partition boards (13a and 13b, respectively) and there are openings (28) at the bottom ends of the first board (8) and the second board (9) for receiving fastening dowels (25), with the help of which fastening dowels two wall panels set on top of each other can be locked together at the point of the tongue-and-groove joint such that the fastening dowels (25) go through the openings (24, 26) at the bottom ends (22a', 22b') of the elongated partition boards (13a' and 13b') of the upper wall panel and through the openings (23) at the top ends (16) of the elongated support structures (10) of the lower wall panel.
- A wall panel according to claim 1, characterized in that the elongated support structure (10) comprises a plank-like first post (10a) and a plank-like second post (10b) which is arranged parallelly at a distance from the plank-like first post (10a) by means of connecting pieces (10c).
- A wall panel according to claim 2, characterized in that the plank-like first post (10a) and the plank-like second post (10b) form a first mounting surface (11) and equivalently a second mounting surface (12) of the support structure (10).
- A wall panel according to claim 3, characterized in that the plank-like first post (10a) and the plank-like second post (10b) comprise a first support surface and equivalently a second support surface onto which the first and equivalently the second partition board (13a and 13b respectively) are attached.
- A wall panel according to any one of previous claims 2-4, characterized in that the elongated support structure (10) comprises several connecting pieces (10c) arranged at a distance from each other.
- A wall panel according to any one of the previous claims, characterized in that the top ends of the elongated support structures (10) are tapering upwards.
- A wall panel according to any one of the previous claims, characterized in that its frame structure (7) is of wood or of material containing wood.
- A wall panel according to any one of the previous claims, characterized in that its partition boards (13a, 13b) are of OSB board, plywood, fibreboard, veneer plate or plasterboard.
- A wall panel according to any one of the previous claims, characterized in that the insulation space (14) contains polyurethane or polystyrene.
- A wall panel according to any one of the previous claims, characterized in that the first additional spaces (15a) contain sand.
- A wall panel according to any one of the previous claims, characterizd in that at least part of the first additional spaces (15a) form channels for electric wires or pipes.
- A wall panel according to any one of the previous claims, characterized in that it is an exterior wall panel, whereby the second additional spaces (15b) form ventilation ducts.
- A wall panel according to any one of the previous claims, characterized in that its height is 2.5-4 m.
- A wall panel according to claim 13, characterized in that the width of the insulation space (14) is 100-350 mm and the width of the first additional space (15a) and the second additional space (15b) is 30-70 mm.
- A wall structure which comprises two similar wall panels according to claim 1 stacked on top of each other, in the tongue-and-groove joint between which the bottom end (4') of the upper wall panel supports to the top end (3) of the lower wall panel such that the bottom end (19') of the elongated support structure (10') of the upper wall panel supports to the top end (16) of the elongated support structure (10) of the lower wall panel tolerance-free in the vertical direction and also in the lateral direction and the bottom ends (22a', 22b') of the partition boards (13a', 13b') of the upper wall panel support to the top ends (18a, 18b) of the partition boards (13a and 13b) of the lower wall panel, whereby the tongue-and-groove joint between the wall panels comprises fastening dowels (25) which go through the openings (24', 26') at the bottom ends (22a', 22b') of the elongated partition boards (13a' and 13b') of the upper wall panel and through the openings (23) at the top ends (16) of the elongated support structures (10) of the lower wall panel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20195674A FI129430B (en) | 2019-08-13 | 2019-08-13 | Wall element and wall structure |
PCT/EP2020/072653 WO2021028486A1 (en) | 2019-08-13 | 2020-08-12 | Wall panel and wall structure |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4013919A1 EP4013919A1 (en) | 2022-06-22 |
EP4013919B1 true EP4013919B1 (en) | 2022-12-21 |
Family
ID=72139584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20757558.0A Active EP4013919B1 (en) | 2019-08-13 | 2020-08-12 | Wall panel and wall structure |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4013919B1 (en) |
FI (1) | FI129430B (en) |
PL (1) | PL4013919T3 (en) |
WO (1) | WO2021028486A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2238329B (en) * | 1989-11-14 | 1993-10-06 | Timber Research & Dev Ass | Building structure |
DE19653633A1 (en) * | 1996-12-20 | 1999-06-24 | Kai Tec | Structural prefabricated building design |
WO2007068267A1 (en) * | 2005-12-13 | 2007-06-21 | Ludwig Junker Sägewerk und Holzhandel GmbH | Wooden building element for constructing the walls of a building |
GB2490304B (en) | 2011-03-18 | 2016-12-28 | De Haan Ian | Structual beams and methods of forming a structure |
WO2016176762A1 (en) * | 2015-05-02 | 2016-11-10 | Start Michael | Construction assembly and construction panels for use therewith |
-
2019
- 2019-08-13 FI FI20195674A patent/FI129430B/en active IP Right Grant
-
2020
- 2020-08-12 EP EP20757558.0A patent/EP4013919B1/en active Active
- 2020-08-12 PL PL20757558.0T patent/PL4013919T3/en unknown
- 2020-08-12 WO PCT/EP2020/072653 patent/WO2021028486A1/en unknown
Also Published As
Publication number | Publication date |
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WO2021028486A1 (en) | 2021-02-18 |
FI20195674A1 (en) | 2021-02-14 |
EP4013919A1 (en) | 2022-06-22 |
PL4013919T3 (en) | 2023-05-22 |
FI129430B (en) | 2022-02-15 |
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