DK179785B1 - Prefabricated building panel, ceiling / wall system and method for installing a prefabricated building panel - Google Patents

Prefabricated building panel, ceiling / wall system and method for installing a prefabricated building panel Download PDF

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Publication number
DK179785B1
DK179785B1 DKPA201700654A DKPA201700654A DK179785B1 DK 179785 B1 DK179785 B1 DK 179785B1 DK PA201700654 A DKPA201700654 A DK PA201700654A DK PA201700654 A DKPA201700654 A DK PA201700654A DK 179785 B1 DK179785 B1 DK 179785B1
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DK
Denmark
Prior art keywords
panel
building panel
prefabricated building
groove
panel section
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DKPA201700654A
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Danish (da)
Inventor
Flink Ipsen Erik
Original Assignee
Knauf A/S
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Priority to DKPA201700654A priority Critical patent/DK179785B1/en
Publication of DK201700654A1 publication Critical patent/DK201700654A1/en
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Publication of DK179785B1 publication Critical patent/DK179785B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
    • 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
    • E04C2/40—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 a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels

Abstract

The invention relates to a building panel, a ceiling/wall system, a profiled groove and a method for installing a prefabricated building panel. The prefabricated building panel comprises a plasterboard, having a plurality of parallel grooves. The grooves defines a series of fold lines, enabling the building panel to be folded into a geometry having planes forming mutual angles. The building panel comprises a plurality of panel sections divided by the grooves, the panel sections being foldable in relation to each other hereby defining a geometrical shape where part of the panel extends from a main plane of the building panel towards the interior of the room.

Description

A prefabricated building panel, a ceiling/wall system, a profiled groove and a method for installing a prefabricated building panel
The present invention relates to a prefabricated building panel, a ceiling/wall system, a profiled groove and a method for installing a prefabricated building panel.
When constructing buildings both for private and commercial use, it is commonly known to construct ceilings and walls using plasterboards or wooden boards. Further, it is known to construct ceilings and walls forming architectural details for aesthetic as well as sound improving reasons within the room. An example of such ceilings is for example wood strip ceiling systems. Wooden strip ceiling systems are widely used within the building industry. These ceiling systems, however, are time consuming to construct and a complicated work process is therefore costly in terms of labour. Further, as the materials used is mostly wood, these commonly used ceiling systems are quite fire hazardous.
ES 2181589 A1 discloses a system for the construction of prefabricated building panels, having a core of gypsum compressed between two outer layers, which is relatively thin, and having a groove defining a fold line in a first main surface, and a groove defining a fold line in a second main surface.
WO 2004106654 A2 describes a ceiling system made of gypsum elements, which comprises grooves defining fold lines. Two neighboring panels are assembled with additional fasteners in order to interlock two neighboring elements.
None of the above referenced documents discloses prefabricated building panels having a fourth panel section with an extension being equal to the extension of a second panel section, such that a neighbouring building panel may be arranged above the third side surface (8) of the first building panel and hereby being seated between the first building panel and the ceiling construction.
It is therefore a first object of the invention to provide a building panel, which is suitable for being mounted in a ceiling/wall system, where the building panel is easy to mount, creates a surface having visual and sound improving properties and resulting in a fire retardant construction.
In the following description the term “prefabricated building panel” will be referred to as “building panel”
In view of the first object, the building panel is fabricated from a plasterboard having a core of gypsum compressed between two outer layers of paper/cardboard or wooden fibre.
A second object of the invention is to provide a ceiling/wall system constructed in a way having aesthetic and sound improving properties, using a building panel with the above mentioned features.
A third object of the invention is to provide a profiled groove for a prefabricated building panel which enables the prefabricated building panel to be folded in a way limiting the risk of breaking a surface layer of the building panel in the fold and to lock the panel sections on each side of the groove in relation to each other in at least two directions.
A fourth object of the invention is to provide a method for installing the building panel into a ceiling or wall construction.
The first object and advantages together with other objects and advantages, which will be evident from the following description of the present invention, are according to a first embodiment of the present invention obtained by:
A prefabricated building panel for installation in a ceiling or wall system, said prefabricated building panel comprising a plasterboard having a core of gypsum, compressed between two outer layers being made of paper/cardboard or wooden fibre, said outer layers having a thickness which is relatively thin compared to the thickness of the core; said building panel further comprising:
a first main surface and a second main surface, the second main surface being opposite the first main surface; four side surfaces extending between the first and second main surface, the first main surface defining a main plane and being intended for facing an interior of a room, where the building panel comprises at plurality of parallel grooves, defining fold lines in the panel, the grooves extending from a first side surface to an opposite second side surface, hereby enabling the building panel to be folded into a geometry with planes forming mutual angles.
This provides a building panel, when being folded and mounted in a ceiling or wall construction creates a geometric and aesthetic surface having improved visual and sound related properties.
The building panel may be fabricated as a flat element being folded on site upon installation in a ceiling or wall, or the building panel may be folded when being fabricated.
The term “flat element” defines a panel having a thickness, which is relatively small compared to the length and width of the panel, the first and second main surfaces constituting two major surfaces of the panel and the four side surfaces extending in a direction parallel to the thickness of the panel.
According to a second embodiment of the invention, the plurality of grooves is constituted by a cut-out of material of the core and one of the first or second outer layers on the first and second main surface of the building panel. Hereby is achieved a building panel which is easy to fold and still being stabile in a fold line by the remaining outer layer.
According to a third embodiment of the invention, the building panel comprises:
a first groove defining a first fold line in the first main surface, extending from the first side surface to the opposite second side surface at a first distance from a centre line of the building panel towards a third side surface;
a second groove defining a second fold line in the second main surface, extending from the first side surface to the opposite second side surface at a second distance from the first fold line towards the third side surface, and a third groove defining a third fold line in the second main surface, extending from the first side surface to the opposite second side surface, at a third distance from the second fold line towards the third side surface;
the building panel further comprising a first panel section extending between a fourth side surface and the first groove; a second panel section extending between the first and the second groove; a third panel section extending between the second and the third groove and a fourth panel section extending between the third groove and the third side surface.
This provides a building panel for installation in a ceiling or wall suitable to be folded into a geometrical shape where part of the panel extends from the main plane of the building panel towards the interior of the room.
According to a fourth embodiment of the invention, the third panel section has an extension, such that when the building panel is being folded around the second and third fold lines, the second and fourth panel section abuts back-to-back.
This provides a panel, being stabile in the folded region.
According to a fifth embodiment of the invention, the fourth panel section has an extension from the third fold line to the third side surface, such that when the building panel is being folded around the first, second and third fold line; the second panel section extends from the main plane towards the interior of the room in a plane approximate orthogonal to the main plane; the third panel section extends in a plane coplanar with the main plane and towards the third side surface; the fourth panel section extends towards the main plane, the extension of the fourth panel section being approximate equal to the extension of the second panel section from the main plain towards the third panel section.
This provides a building panel, when being folded and mounted in a ceiling or wall provides a distance from the third side surface towards a supporting structure of the ceiling/wall construction, such what when a second building panel is mounted adjacent the first building panel, a fourth side surface of the second building panel is located in a space between the third side surface of the first building panel and the supporting structure. This embodiment eliminates the use of plastering tape and creates a hidden joint between the two building panels.
According to a sixth embodiment of the invention, the building panel comprises a fourth, fifth and sixth parallel groove defining fourth, fifth and sixth fold lines extending from the first side surface to the opposite second side surface between the centre line and the fourth side surface; the fourth fold line extending at a distance from the centre line substantially equal to the distance between the centre line and the first fold line; the fifth fold line extending at a distance from the centre line substantially equal to the distance between the centre line and the second fold line; the sixth fold line extending at a distance from the centre line substantially equal to the distance between the centre line and the third fold line; the building panel further comprising a fifth panel section extending between the fourth and fifth groove, a sixth panel section extending between the fifth and sixth groove and a seventh panel section extending between the sixth groove and the fourth side surface.
According to a seventh embodiment of the invention, the seventh panel section having an extension from the sixth fold line to the fourth side surface, such that when the building panel is being folded around the fourth fold line, the fifth fold line and the sixth fold line, the fifth panel section extends from the first panel section towards the interior of the room in a plane approximate orthogonal to the main plane; the sixth panel section extends in a plane coplanar with the main plane and towards the fourth side surface; the seventh panel section extends towards the main plane, the extension of the seventh panel section being approximate equal to the extension of the fifth panel section from the main plain towards the sixth panel section.
This provides a building panel, when being folded and mounted in a ceiling or wall provides a distance from both the third side and the fourth side surface towards a supporting structure of the ceiling/wall construction. This enables using unfolded plasterboards of either side of the building panel, hiding the joints of the panels and eliminated the use of plastering tape.
The second object of the invention which is to provide a ceiling/wall system constructed in a way having aesthetic and sound improving properties, using a building panel with the above mentioned features is achieved by:
A ceiling/wall system comprising a plurality of elongated profiles, extending substantially in parallel and suspended in a ceiling/wall structure and constituting a supporting structure where:
- the ceiling/wall system further comprises a plurality of building panels,
- the building panels are substantially rectangular and are supported on opposite sides along the elongated profiles and are mounted in abutment with each other,
- the building panels, when folded and mounted, provide a distance from the third side surface and/or the fourth side surface towards the supporting structure, such what when a second building panel or an unfolded plasterboard is mounted adjacent and in abutment with the first building panel, a fourth side surface of the second building panel or the unfolded plasterboard is located in a space between the third side surface of the first building panel and the supporting structure, and/or a third side surface of the unfolded plasterboard is located in a space between the fourth side surface of the first building panel and the supporting structure.
In a further embodiment, the elongated profiles comprises wooden laths or rails.
The third object of the invention, which is to provide a profiled groove for a prefabricated building panel which enables the prefabricated building panel to be folded in a way limiting the risk of breaking a surface layer of the building panel in the fold and to lock the panel sections on each side of the groove in relation to each other, is achieved by:
A profiled groove of a prefabricated building panel, the prefabricated building panel comprising:
a plasterboard having a core of gypsum, compressed between two outer layers being made of paper/cardboard or wooden fibre, the outer layers having a thickness which is relatively thin compared to the thickness of the core;
the profiled groove defining a fold line, being constituted by a cut-out of material of the core and one of the first or second outer layers, the profiled groove comprising a first and second side surface, each side surface comprises at least three side surface portions, the side surface portions on the first side surface abuts the side surface portions on the second side surface when the building panel is being folded, and a profiled groove where the cut-out of core material being constituted by a removal of core material over a distance of the remaining surface layer, such that when the building panel is being folded, a hollow space is created between the remaining outer layer and the abutting side surface portions of the profiled groove;
each side surface comprising a first side surface portion defining a plane being angled in relation to the direction of the thickness of the building panel;
one of the first or second side surface further comprising a second side edge portion, and the other of the first or second side surface comprising a third recess portion, the second side edge portion mating complementary with the third recess portion when the building panel is being folded.
The fourth object of the invention, which is to provide a method for installing the building panel into a ceiling or wall construction, is achieved by:
A method of installing a building panel in a ceiling/wall system, comprising the following steps:
• providing a supporting structure being suspended on a ceiling or wall, • providing a first building panel, • mounting the first panel section of the first building panel on the supporting structure with the first panel section and a second panel section being folded in relation to each other, • providing a second building panel or an unfolded plasterboard, said unfolded plasterboard comprising: a first and second main surface, and four side surfaces, a first side surface being opposite a second side surface and a third side surface being opposite a fourth side surface, • mounting the second building panel or the unfolded plasterboard on the supporting structure with a fourth side surface in abutment with the first panel section of the first building panel in a direction of the third side surface of the first building panel, and • folding the third panel section and the fourth panel section of the first building panel, hereby locating the fourth side surface of the second building panel or unfolded plasterboard in a space between the third side surface of the first building panel and the supporting structure.
In a further embodiment of the invention, the method comprises the following steps:
• providing a second unfolded plasterboard, the second unfolded plasterboard comprising: a first and second main surface; four side surfaces, a first side surface being opposite a second side surface and a third side surface being opposite a fourth side surface, • mounting the second unfolded plasterboard with a second side surface in abutment with the first panel section of the first prefabricated building panel in a direction of the fourth side surface, and • folding the sixth panel section and the seventh panel section of the first prefabricated building panel, hereby locating the third side surface of the second unfolded plasterboard in a space between the fourth side surface of the first building panel and the supporting structure.
According to a further embodiment, the step of folding the third, fourth, fifth, sixth and seventh panel sections, takes place before the step op mounting the second building panel or the first and second unfolded plasterboards.
This provides a method of installing the building panel in which the building panel may be folded prior to the installation, e.g. folded upon installation.
The invention will now be explained in more detail below by means of examples of embodiments with reference to the very schematic drawing, in which:
Fig. 1a shows a perspective view of the folded building panel according to the first embodiment.
Fig. 1b is a sub-image illustrating the folded section of the building panel.
Fig. 2a shows a perspective view of the unfolded building panel.
Fig. 2b is a plane view of the second main surface of the building panel.
Fig. 3 shows a perspective view of the folded building panel according to the sixth embodiment.
Fig. 4a shows a perspective view of the unfolded building panel.
Fig. 4b shows a plane view of the unfolded building panel.
Fig. 5 shows an example of a series of three connected identical building panels according to the first embodiment.
Fig. 6 shows an example of a series of three connected identical building panels according to the sixth embodiment.
Fig. 7 shows an example of a ceiling system comprising building panels according to the first embodiment.
Fig. 8 illustrates an example of a profiled groove and a section of building panel comprising the groove in a folded and non-folded embodiment.
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals refer to like elements throughout. Like elements will, thus, not be described in detail with respect to the description of each figure.
Fig. 1a shows a perspective view of a building panel (2) being folded. The building panel (2) comprises a first panel section (25) comprising a first main surface (4), (shown on fig. 2a) which in a mounted state in e.g. a ceiling construction faces the interior of a room and an opposite second main surface (5) (shown on fig. 2a) of the first panel section (25) facing a supporting structure (not shown) of the ceiling. The first main surface (4) of the building panel (2) defines a main plane (32) which in a mounted state is coplanar with the supporting construction. The building panel (2) further comprises a second panel section (26) which extends approximate orthogonal to the main plane (32) in a direction towards the interior of the room. The building panel (2) further comprises a third panel section (27) extending in a coplanar relationship with the main plane (32), and a fourth panel section extending approximate orthogonal to the main plane (32) in a direction towards the main plane (32). The fourth panel section has the same orthogonal extension as the second panel section (26) in relation to the main plane (32). This feature establishes a distance between the fourth panel section (28) and the supporting structure which approximate corresponds to the thickness of the building panel (2).
Fig.1b is a sub-image of fig. 1a illustrating the folded region of the building panel (2). The building panel (2) is made from a sheet of plasterboard and is constructed with a core (33) of gypsum which is pressed between two outer layers (34) made of paper/cardboard or wooden fibre. The sub-image illustrates a situation where the second panel section (26), the third panel section (27) and the fourth panel section (28) has been folded, and the second panel section (26) and the fourth panel section (28) abuts backto-back.
Fig. 2a shows a perspective view of the building panel (2) which is unfolded. The building panel comprises a first main surface (4) and a second main surface (5), which is opposite the first (4) main surface. The building panel (2) is constructed as a rectangular building panel, and comprises four side surfaces (6, 7, 8, 9) in which the first side surface (6) is opposite the second side surface (7) and the third side surface (8) is opposite the fourth side surface (9). The four side surfaces (6, 7, 8, 9) extends between the first main surface (4) and the second main surface (5). Fig. 2a further illustrates the building panel being constructed with three grooves (11, 12, 13), in which the first groove (11) is formed on the first main surface (4) and the second groove (12) and the third groove (13) is formed on the second main surface (5).
Fig. 2b is a plane view of the second main surface (5) of the building panel (2). The figure illustrates the second groove (12) and the third groove (13). The first groove on the opposite first main surface (4) being illustrated with a line. The second groove (12) defines and second fold line (18), the third groove (13) defines a third fold line (19), and the first groove (11) which is illustrated with a line, defines a first fold line (17). Fig. 2 further illustrates a centre line (23) of the building panel.
Fig. 3 shows a perspective view of the building panel (3) according to a different embodiment. The building panel comprises a first panel section (25), having a first main surface (4) (shown on fig. 4a) which in a mounted state in e.g. a ceiling construction faces the interior of a room and the opposite second main surface (5) (shown on fig. 4a) of the first panel section (25) faces a supporting structure of the ceiling. The building panel comprises a second panel section (26), a third panel section (27) and a fourth panel section (28), all extending from one side of the first panel section (25). The building panel (3) further comprises a fifth panel section (29), a sixth panel section (30) and a seventh panel section (31) extending from an opposite side of the first panel section (25). The second panel section (26) and the fifth panel section (29) extends in a plane approximate orthogonal to the main plane (32) in a direction from the first panel section (25) towards the interior of the room. The third panel section (27) and the sixth panel section (30) extending in a coplanar relationship with the main plane (32), and the fourth panel section (28) and the seventh panel section (31) extending approximate orthogonal to the main plane (32) in a direction towards the main plane (32). The fourth panel section (28) and the seventh panel section (31) has the same orthogonal extension as the second panel section (26) and fifth panel section (29) in relation to the main plane (32). This feature establishes a distance between the fourth panel section (28) and the seventh panel section (31) and the supporting structure, which approximate corresponds to the thickness of the building panel (2).
Fig. 4a shows a perspective view of the building panel (3) comprising first, second and third grooves (11, 12, 13) identical to the grooves of the building panel illustrated in fig.
2a. The building panel (3) further comprises a fourth groove (14) on the first main surface (4) and a fifth groove (15) and a sixth groove (16) on the second main surface (5).
Fig. 4b. shows a plane view of the second main surface (5) of the building panel (2). The building panel of fig. 4b comprises first, second and third fold lines (17, 18, 19) identical to the fold lines of the building panel of fig. 2b. The building panel (3) further comprises a fourth fold line (20), a fifth fold line (21) and a sixth fold line (22), enabling the building panel (3) to be folded as illustrated in fig. 3.
Fig. 5 shows an example of three building panels (2) connected in a series.
Fig. 6 shows an example of three building panels (3) connected in a series.
Fig. 7 illustrates an example of a ceiling system comprising a plurality of building panels (2) according to the invention.
Fig. 8 illustrates an example of a profiled groove (35) and a section of building panel comprising the profiled groove (35) in a folded and non-folded embodiment. The building panel (2, 3) comprises a core (33) of gypsum compressed between two outer layers (34) of paper/cardboard or wooden fibre. The building panel (2, 3) comprises a profiled groove (35) being constituted by a cut-out of material of the core (33) and one of the surface layers (34).
The profiled groove (35) comprises a first and second side surface, each side surface comprises three side surface portions. The side surface portions on the first side surface abuts the side surface portions on the second side surface when the building panel (2, 3) is being folded.
The cut-out of core material comprises a removal of core material (33) over a distance on the remaining surface layer (34) hereby creating a hollow space (36) between the remaining outer layer (34) and the abutting side surface portions of said profiled groove, when the building panel (2, 3) is folded.
Each side surface comprises a first side surface portion (39) defining a plane being angled in relation to the direction of the thickness of the building panel;
one of the first or second side surface further comprising a second side edge portion (37) and the other of the first or second side surface comprising a third recess portion (38), the side edge portion (37) mating complementary with the recess portion (38) when the building panel (2, 3) is being folded.
List of reference numbers
1 Ceiling system 35 Profiled groove
5 2, 3 Building panel 36 Hollow space
4 First main surface 37 Side edge portion
5 Second main surface 38 Recess portion
6 First side surface 39 Angled side surface portion
7 Second side surface
10 8 Third side surface
9 Fourth side surface
10 Main plain
11 First groove
12 Second groove
15 13 Third groove
14 Fourth groove
15 Fifth groove
16 Sixth groove
17 First fold line
20 18 Second fold line
19 Third fold line
20 Fourth fold line
21 Fifth fold line
22 Sixth fold line
25 23 Centre line
24 Intermediate building panel
25 First panel section
26 Second panel section
27 Third panel section
30 28 Fourth panel section
29 Fifth panel section
30 Sixth panel section
31 Seventh panel section
32 Main plane
35 33 Core
34 Outer layer

Claims (11)

PATENTKRAVpatent claims 1. Præfabrikeret bygningspanel (2, 3) til installation i et loft- eller vægsystem (1), hvilket præfabrikeret bygningspanel (2, 3) omfatter en gipsplade med en kerne (33) af gips, sammenpresset mellem to udvendige lag (34), som er fremstillede af papir/pap eller træfibre, hvilke udvendige lag har en tykkelse, som er relativt tynd i sammenligning med tykkelsen af kernen (33) og; det nævnte bygningspanel yderligere omfatter:A prefabricated building panel (2, 3) for installation in a ceiling or wall system (1), said prefabricated building panel (2, 3) comprising a plasterboard with a core (33) of plaster, compressed between two external layers (34), made from paper / cardboard or wood fibers, the outer layers having a thickness which is relatively thin in comparison with the thickness of the core (33) and; said building panel further comprises: en første hovedflade (4) og en anden hovedflade (5), hvilken anden hovedflade (5) er modstående den første hovedflade (4);a first main surface (4) and a second main surface (5), said second main surface (5) being opposed to the first main surface (4); fire sideflader (6, 7, 8, 9), som strækker sig imellem den første hovedflade (4) og den anden hovedflade (5);four side surfaces (6, 7, 8, 9) extending between the first main surface (4) and the second main surface (5); den første hoveflade (4) definerer et hovedplan (32), som er beregnet til at vende imod det indre af et rum, bygningspanelet (2, 3) omfatter adskillige parallelle riller (11, 12, 13, 14, 15, 16), som definerer foldelinier (17, 18, 19, 20, 21, 22) i det præfabrikerede bygningspanel (2, 3), rillerne (11, 12, 13, 14, 15, 16) strækker sig fra en første sideflade (6) til en modstående anden sideflade (7), hvorved de muliggør at bygningspanelet foldes til en geometri med planer, som danner indbyrdes vinkler, hvilket bygningspanel (2, 3) omfatter:the first court surface (4) defines a principal plane (32) intended to face the interior of a room, the building panel (2, 3) comprising several parallel grooves (11, 12, 13, 14, 15, 16), defining fold lines (17, 18, 19, 20, 21, 22) in the prefabricated building panel (2, 3), the grooves (11, 12, 13, 14, 15, 16) extending from a first side surface (6) to an opposing second side surface (7), enabling the building panel to be folded into a geometry with planes forming angles to each other, the building panel (2, 3) comprising: en første rille (11), som definerer en første foldelinie (17) i den første hovedflade (4) , hvilken rille (11) strækker sig fra den første sideflade (6) til den modstående anden sideflade (7) i en første afstand fra en midterlinie (23) for det præfabrikerede bygningspanel (2, 3) imod en tredie sideflade (8);a first groove (11) defining a first fold line (17) in the first main surface (4), which groove (11) extends from the first side surface (6) to the opposite second side surface (7) at a first distance from a center line (23) of the prefabricated building panel (2, 3) against a third side surface (8); en anden rille (12), som definerer en anden foldelinie (18) i den anden hovedflade (5) , hvilken anden rille (12) strækker sig fra den første sideflade (6) til den modstående anden sideflade (7) i en anden afstand fra den første foldelinie (17) imod den tredie sideflade (8), og en tredie rille (13), som definerer en tredie foldelinie (19) i den anden hovedflade (5), hvilken tredie rille (13) strækker sig fra den første sideflade (6) til den modstående anden sideflade (7) i en tredie afstand fra den anden foldelinie (18) imod den tredie sideflade (8);a second groove (12) defining a second fold line (18) in the second main surface (5), said second groove (12) extending from the first side surface (6) to the opposite second side surface (7) at a different distance from the first fold line (17) towards the third side surface (8), and a third groove (13) defining a third fold line (19) in the second main surface (5), the third groove (13) extending from the first side surface (6) of the opposite second side surface (7) at a third distance from the second fold line (18) towards the third side surface (8); hvilket præfabrikeret bygningspanel (2, 3) yderligere omfatter:further comprising the prefabricated building panel (2, 3): en første panelsektion (25), som strækker sig imellem en fjerde sideflade (9) og den første rille;a first panel section (25) extending between a fourth side surface (9) and the first groove; en anden panelsektion (26), som strækker sig imellem den første rille (11) og den anden rille (12);a second panel section (26) extending between the first groove (11) and the second groove (12); en tredie panelsektion (27), som strækker sig imellem den anden rille (12) og den tredie rille (13), og en fjerde panelsektion (28), som strækker sig imellem den tredie rille (13) og den tredie sideflade (8), kendetegnet ved, at den fjerde panelsektion (28) har en udstrækning fra den tredie foldelinie (19) til den tredie sideflade (8) således, at når det præfabrikerede bygningspanel (2, 3) foldes omkring den første foldelinie (17), den anden foldelinie (18) og den tredie foldelinie (19):a third panel section (27) extending between the second groove (12) and the third groove (13), and a fourth panel section (28) extending between the third groove (13) and the third side surface (8) , characterized in that the fourth panel section (28) extends from the third fold line (19) to the third side surface (8) such that when the prefabricated building panel (2, 3) is folded around the first fold line (17), the second fold line (18) and third fold line (19): den anden panelsektion (26) strækker sig fra hovedplanet (32) imod det indre af rummet i et plan omtrent vinkelret på hovedplanet (32);the second panel section (26) extends from the main plane (32) toward the interior of the space in a plane approximately perpendicular to the main plane (32); den tredie panelsektion (27) strækker sig i et plan coplanart med hovedplanet (32) og imod den tredie sideflade (8), og den fjerde panelsektion (28) strækker sig imod hovedplanet (32), idet udstrækningen af den fjerde panelsektion (28) er omtrent lig med udstrækningen af den anden panelsektion (26) fra hovedplanet (32), imod den tredie panelsektion (27).the third panel section (27) extends in a plane coplanar with the main plane (32) and towards the third side surface (8), and the fourth panel section (28) extends against the main plane (32), the extension of the fourth panel section (28) is approximately equal to the extension of the second panel section (26) from the main plane (32) toward the third panel section (27). 2. Præfabrikeret bygningspanel ifølge krav 1, kendetegnet ved, at rillerne (11, 12, 13, 14, 15, 16) udgøres af en udskæring af materiale fra kernen (33) og ved ét af det første eller andet udvendige lag (34) på den første hovedflade (4) og den anden hovedflade (5) i det præfabrikerede bygningspanel (2, 3).Prefabricated building panel according to claim 1, characterized in that the grooves (11, 12, 13, 14, 15, 16) are formed by a cut of material from the core (33) and by one of the first or second outer layers (34). on the first main surface (4) and the second main surface (5) of the prefabricated building panel (2, 3). 3. Præfabrikeret bygningspanel ifølge krav 1 eller 2, kendetegnet ved, at den tredie panelsektion (27) har en udstrækning således, at når det præfabrikerede bygningspanel (2, 3) er foldet omkring den anden foldelinie (18) og den tredie foldelinie (19), ligger den anden panelsektion (26) og den fjerde panelsektion (28) an imod hinanden ryg mod ryg.Prefabricated building panel according to claim 1 or 2, characterized in that the third panel section (27) has an extension such that when the prefabricated building panel (2, 3) is folded around the second fold line (18) and the third fold line (19). ), the second panel section (26) and the fourth panel section (28) abut each other back to back. 4. Præfabrikeret bygningspanel ifølge ethvert af kravene 1 til 3, kendetegnet ved, at det præfabrikerede bygningspanel (2, 3) omfatter:Prefabricated building panel according to any one of claims 1 to 3, characterized in that the prefabricated building panel (2, 3) comprises: en fjerde rille (14), en femte rille (15) og en sjette rille (16), som definerer et fjerde foldelinie (20), en femte foldelinie (21) og en sjette foldelinie (22), hvilke foldelinier er parallelle og strækker sig fra den første sideflade (6) til den modstående anden sideflade (7) imellem midterlinien (23) og den fjerde sideflade (9);a fourth groove (14), a fifth groove (15) and a sixth groove (16) defining a fourth fold line (20), a fifth fold line (21), and a sixth fold line (22), which fold lines are parallel and extending moving from the first side face (6) to the opposite second face face (7) between the center line (23) and the fourth side face (9); hvilken fjerde foldelinie (20) strækker sig i en afstand fra midterlinien (23), som er i det væsentlige lig med afstanden imellem midterlinien (23) og den første foldelinie (17);the fourth fold line (20) extending at a distance from the center line (23) which is substantially equal to the distance between the center line (23) and the first fold line (17); den femte foldelinie (21) strækker sig i en afstand fra midterlinien (23), som er i det væsentlige med afstanden imellem midterlinien (23) og den anden foldelinie (18);the fifth fold line (21) extends at a distance from the center line (23) which is substantially equal to the distance between the center line (23) and the second fold line (18); den sjette foldelinie (22) strækker sig i en afstand fra midterlinien (23), som er i det væsentlige lig med afstanden imellem midterlinien (23) og den tredie foldelinie (19);the sixth fold line (22) extends at a distance from the center line (23) which is substantially equal to the distance between the center line (23) and the third fold line (19); det præfabrikerede bygningspanel (2, 3) omfatter yderligere:the prefabricated building panel (2, 3) further comprises: - en femte panelsektion (29), som strækker sig imellem den fjerde rille (14) og den femte rille (15);- a fifth panel section (29) extending between the fourth groove (14) and the fifth groove (15); - en sjette panelsektion (30), som strækker sig imellem den femte rille (15) og den sjette rille (16), og- a sixth panel section (30) extending between the fifth groove (15) and the sixth groove (16), and - en syvende panelsektion (31), som strækker sig imellem den sjette rille (16) og den fjerde sideflade (9).a seventh panel section (31) extending between the sixth groove (16) and the fourth side surface (9). 5. Præfabrikeret bygningspanel ifølge krav 4, kendetegnet ved, at den syvende panelsektion (31) har en udstrækning fra den sjette foldelinie (22) til den fjerde sideflade (9), således at når det præfabrikerede bygningspanel (3) er foldet omkring den fjerde foldelinie (20), den femte foldelinie (21) og den sjette foldelinie (22):Prefabricated building panel according to claim 4, characterized in that the seventh panel section (31) extends from the sixth fold line (22) to the fourth side surface (9), so that when the prefabricated building panel (3) is folded about the fourth fold line (20), fifth fold line (21) and sixth fold line (22): den femte panelsektion (29) strækker sig fra den første panelsektion (25) imod det indre af rummet i et plan omtrent vinkelret på hovedplanet (32);the fifth panel section (29) extends from the first panel section (25) toward the interior of the space in a plane approximately perpendicular to the main plane (32); den sjette panelsektion (30) strækker sig i et plan coplanart med hovedplanet (32) og imod den fjerde sideflade (9), og den syvende panelsektion (31) strækker sig imod hovedplanet (32), idet udstrækningen er omtrent lig med udstrækningen af den femte panelsektion (29) fra hovedplanet (32) imod den sjette panelsektion (30).the sixth panel section (30) extends in a plane coplanar with the main plane (32) and towards the fourth side surface (9), and the seventh panel section (31) extends against the main plane (32), the extent being approximately equal to the extent of the the fifth panel section (29) from the main plane (32) towards the sixth panel section (30). 6. Loft-/vægsystem omfattende adskillige aflange profiler, som definerer en bærekonstruktion, som strækker sig i det væsentlige parallelt og ophængt i en loft-/vægstruktur og som udgør en bærekonstruktion; kendetegnet ved, at loft-/vægsystemet yderligere omfatter adskillige præfabrikerede bygningspaneler (2, 3) ifølge ethvert af kravene 1 til 5, de præfabrikerede bygningspaneler (2, 3) er i det væsentlige rektangulære og er understøttet på modstående sider langs de aflange profiler og er monterede i anlæg imod hinanden, de præfabrikerede bygningspaneler (2, 3), når de er foldede og monterede, tilvejebringer en afstand fra den tredie sideflade (8) og/eller den fjerde sideflade (9) imod bærekonstruktionen, således at når et andet præfabrikeret bygningspanel (2) eller en ikke-foldet eller ikke-rillet gipsplade monteres i tilstødning til og i anlæg mod det første præfabrikerede bygningspanel (2, 3), er en fjerde sideflade (9) på det andet præfabrikerede bygningspanel (2) eller den ikke-foldede eller ikke-rillede gipsplade placeret i et rum imellem den tredie sideflade (8) på det første præfabrikerede bygningspanel (2, 3) og bærekonstruktionen og/eller, en tredie sideflade på den ikke-foldede eller ikkerillede gipsplade er placeret i et rum imellem den fjerde sideflade (9) på det første præfabrikerede bygningspanel (3) og bærekonstruktionen.A ceiling / wall system comprising several elongate profiles defining a carrier structure which extends substantially parallel and suspended in a ceiling / wall structure and constitutes a carrier structure; characterized in that the ceiling / wall system further comprises several prefabricated building panels (2, 3) according to any one of claims 1 to 5, the prefabricated building panels (2, 3) being substantially rectangular and supported on opposite sides along the elongate profiles and are mounted in abutment against each other, the prefabricated building panels (2, 3), when folded and mounted, provide a distance from the third side surface (8) and / or the fourth side surface (9) against the support structure, so that another prefabricated building panel (2) or a non-folded or non-grooved plasterboard mounted adjacent to and in abutment against the first prefabricated building panel (2, 3), a fourth side surface (9) of the second prefabricated building panel (2) or the non-folded or non-grooved plasterboard located in a space between the third side surface (8) of the first prefabricated building panel (2, 3) and the supporting structure and / or, a third screen the deflated surface of the non-folded or non-grooved plasterboard is placed in a space between the fourth side surface (9) of the first prefabricated building panel (3) and the supporting structure. 7. Profileret rille til et præfabrikeret bygningspanel ifølge ethvert af kravene 1 til 5, kendetegnet ved, at det præfabrikerede bygningspanel (2, 3) omfatter:Profiled groove for a prefabricated building panel according to any one of claims 1 to 5, characterized in that the prefabricated building panel (2, 3) comprises: en gipsplade med en kerne (33) af gips, sammenpresset imellem to udvendige lag (34), som er fremstillede af papir/pap eller træfibre, hvilke udvendige lag (34) har en tykkelse, som er relativt tynd i sammenligning med tykkelsen af kernen (33);a plasterboard with a core (33) of plaster, compressed between two outer layers (34) made of paper / cardboard or wood fibers, which outer layer (34) has a thickness which is relatively thin in comparison with the thickness of the core (33); hvilken profileret rille (35) definerer en foldelinie, som udgøres af en udskæring af materialet i kernen (33) og et af det første eller andet udvendige lag (34), og hvilken profileret rille (35) omfatter en første og anden sideflade, idet hver sideflade omfatter i det mindste tre sidefladedele, hvilke sidefladedele på den første sideflade ligger an imod sidefladedelene på den anden sideflade, når bygningspanelet (2, 3) foldes.said profiled groove (35) defines a fold line formed by a cut of the material in said core (33) and one of said first or second outer layers (34), and said profiled groove (35) comprises a first and second side surfaces, each side face comprises at least three side face parts, which side face parts of the first side face abut the side face parts of the second side face as the building panel (2, 3) is folded. 8. Profileret rille ifølge krav 7, kendetegnet ved, at udskæringen i kernematerialet udgøres af en fjernelse af kernematerialet over en afstand af det resterende overfladelag (34), således at når bygningspanelet (2, 3) foldes, dannes et hulrum (36) imellem det resterende udvendige lag (34) og de imod hinanden liggende sidefladedele i den profilerede rille;A profiled groove according to claim 7, characterized in that the cut in the core material is a removal of the core material over a distance of the remaining surface layer (34), so that when the building panel (2, 3) is folded, a cavity (36) is formed between the remaining outer layer (34) and the adjacent side surface portions of the profiled groove; hver sideflade omfatter en første sidefladedel (39), som definerer et plan, som er vinklet i forhold til tykkelsesretningen for bygningspanelet;each side surface comprises a first side surface portion (39) defining a plane angled relative to the thickness of the building panel; en af den første eller anden sideflade yderligere omfatter en anden sidekantdel (37) og den anden af den første eller anden sideflade omfatter en tredie udsparingsdedl (38), idet den anden sidekantdel (37) passer komplementært med den tredie udsparingsdel (38), når bygningspanelet (2, 3) foldes.one of the first or second side surfaces further comprises a second side edge portion (37) and the other of the first or second side surface comprises a third recess portion (38), the second side edge portion (37) complementing with the third recess portion (38) when the building panel (2, 3) folds. 9. Fremgangsmåde til installation af et præfabrikeret bygningspanel i et loft-/vægsystem, kendetegnet ved følgende trin:Method of installing a prefabricated building panel in a ceiling / wall system, characterized by the following steps: • tilvejebringelse af en bærekonstruktion, som er ophængt på et loft eller en væg, • tilvejebringelse af et første præfabrikeret bygningspanel (2, 3) ifølge ethvert af kravene 1 til 5, • montering af den første panelsektion (25) i det første præfabrikerede bygningspanel (2, 3) på bærekonstruktionen med den i det mindste første panelsektion (25) og en anden panelsektion (26) foldet i forhold til hinanden, • tilvejebringelse af et andet præfabrikeret bygningspanel (2) ifølge ethvert af kravene 1 til 7 eller en ikke-foldet eller ikke-rillet gipsplade, hvilken ikke-foldet eller ikke-rillet gipsplade omfatter: en første og anden hovedflade, og fire sideflader, idet en første sideflade er modstående en anden sideflade og en tredie sideflade er modstående en fjerde sideflade, • montering af det andet præfabrikerede bygningspanel (2) eller den ikke-foldede eller ikke-rillede gipsplade på bærekonstruktionen med en fjerde sideflade (9) i anlæg mod den første panelsektion (25) i det præfabrikerede bygningspanel (2, 3) i en retning af den tredie sideflade (8), og • foldning af den tredie panelsektion (27) og den fjerde panelsektion (28) i det første præfabrikerede bygningspanel (2, 3), hvorved man placerer den fjerde sideflade (9) af det andet præfabrikerede bygningspanel (2) eller den ikkefoldede eller ikke-rillede gipsplade i et rum imellem den tredie sideflade (8) på det første præfabrikerede bygningspanel (2, 3) og bærekonstruktionen.• providing a support structure suspended from a ceiling or wall; • providing a first prefabricated building panel (2, 3) according to any one of claims 1 to 5; • mounting the first panel section (25) of the first prefabricated building panel. (2, 3) on the support structure having at least the first panel section (25) and a second panel section (26) folded relative to each other, providing a second prefabricated building panel (2) according to any one of claims 1 to 7 or a - folded or non-grooved plasterboard, which comprises non-folded or non-grooved plasterboard: a first and second main surfaces, and four side surfaces, a first side surface facing a second side surface and a third side surface facing a fourth side surface; of the second prefabricated building panel (2) or the non-folded or non-grooved plasterboard of the support structure with a fourth side surface (9) abutting against the first pan power section (25) of the prefabricated building panel (2, 3) in the direction of the third side surface (8), and • folding of the third panel section (27) and the fourth panel section (28) of the first prefabricated building panel (2, 3) ), placing the fourth side surface (9) of the second prefabricated building panel (2) or the non-folded or non-grooved plasterboard in a space between the third side surface (8) of the first prefabricated building panel (2, 3) and the supporting structure. 10. Fremgangsmåde ifølge krav 9, kendetegnet ved følgende trin:Process according to claim 9, characterized by the following steps: • tilvejebringelse af en anden ikke-foldet eller ikke-rillet gipsplade omfattende: en første og anden hovedflade og fire sideflader, idet en første sideflade er modstående en anden sideflade og en tredie sideflade er modstående en fjerde sideflade, • montering af den anden ikke-foldede eller ikke-rillede gipsplade med en anden sideflade i anlæg mod den første panelsektion (25) på det første præfabrikerede bygningspanel (3) i en retning af den fjerde sideflade (8), og • foldning af den sjette panelsektion (30) og den syvende panelsektion (31) på det første præfabrikerede bygningspanel (3), hvorved man placerer den tredie sideflade på den anden ikke-foldede gipsplade i et rum imellem den fjerde sideflade (9) på det første bygningspanel (3) og bærekonstruktionen.Providing a second non-folded or non-grooved plasterboard comprising: a first and second main surfaces and four side surfaces, a first side surface facing a second side surface and a third side surface facing a fourth side surface; folded or non-grooved plasterboard with a second side surface abutting against the first panel section (25) of the first prefabricated building panel (3) in the direction of the fourth side surface (8), and • folding of the sixth panel section (30) and the the seventh panel section (31) of the first prefabricated building panel (3), thereby placing the third side surface of the second non-folded plasterboard in a space between the fourth side surface (9) of the first building panel (3) and the supporting structure. 11. Fremgangsmåde ifølge ethvert af kravene 9 eller 10, kendetegnet ved, at trinnet med foldning af den tredie panelsektion (27) og den fjerde panelsektion (28) og/eller den sjette panelsektion (31) og den syvende panelsektion (31) finder sted før trinnet med montering af det andet præfabrikerede bygningspanel eller den første eller anden ikke-foldede gipsplade.Method according to any one of claims 9 or 10, characterized in that the step of folding the third panel section (27) and the fourth panel section (28) and / or the sixth panel section (31) and the seventh panel section (31) takes place. before the step of mounting the second prefabricated building panel or the first or second non-folded plasterboard.
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