EP0849415B1 - Corner construction of cardboard-covered plaster board and method for realizing such corner construction - Google Patents
Corner construction of cardboard-covered plaster board and method for realizing such corner construction Download PDFInfo
- Publication number
- EP0849415B1 EP0849415B1 EP97203883A EP97203883A EP0849415B1 EP 0849415 B1 EP0849415 B1 EP 0849415B1 EP 97203883 A EP97203883 A EP 97203883A EP 97203883 A EP97203883 A EP 97203883A EP 0849415 B1 EP0849415 B1 EP 0849415B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- board
- impact
- corner
- covering layer
- 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.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 title claims abstract description 61
- 239000011505 plaster Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 23
- 239000003292 glue Substances 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 9
- 239000011507 gypsum plaster Substances 0.000 description 8
- 239000000945 filler Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7453—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with panels and support posts, extending from floor to ceiling
- E04B2/7457—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with panels and support posts, extending from floor to ceiling with wallboards attached to the outer faces of the posts, parallel to the partition
-
- 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
- E04C2/04—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/043—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
-
- 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
- E04C2/405—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 composed of two or more hingedly connected parts
-
- 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
- E04B2/723—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall constituted of gypsum elements
-
- 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
- E04B2/723—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall constituted of gypsum elements
- E04B2002/725—Corner or angle connection details
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2002/7461—Details of connection of sheet panels to frame or posts
- E04B2002/7477—Details of connections using screws or nails
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/06—Edge-protecting borders
- E04F2013/063—Edge-protecting borders for corners
Definitions
- This invention relates to a corner construction comprising cardboard-covered plaster board, more particularly a board consisting of a core of gypsum plaster or based on gypsum plaster and a covering layer provided at least at one side thereof.
- the invention also relates to a method for realizing such corner construction.
- an external corner of cardboard-covered plaster board is realized by placing the.boards forming the corner against each other at this corner, attaching a zinc plated angular profile thereover and subsequently levelling the whole with filler to a smooth entire formation.
- the angular profile used therewith is destined to provide a protection for the corner against external impacts and, in the second place, is also meant to provide for an adherence for the filling agent.
- a prefabricated corner construction is provided by milling a notch out of the cardboard-covered plaster board precisely up to the underlaying cardboard layer and folding the cardboard-covered plaster board together.
- This method offers the advantage that the corners can be prefabricated in a workshop, such that on site only the installation has to be performed, without further finishing. Furthermore, with this method the use of additional finishing materials is almost excluded. More particularly, no external angular profile, no filler and, in many cases, also no internal fixation profile will be necessary any more.
- WO 94/10403 it is also known to form a corner by making a relatively large recess in the board, in such a manner that two board parts are obtained, providing a flat strip in one of the board parts, and folding the whole at a distance from the free extremity of this strip.
- the strip serves as a support for holding the cardboard board more or less flat, or as a fixation element for attaching the whole on a support structure. Considering that the strip does not extend up to the corner, a corner protection is not obtained.
- the strip has to be bendable and, thus, relatively thin, the obtained corner has the disadvantage that it can easily be damaged by indenting.
- a corner protection profile which in fact can be applied in combination with cardboard-covered plaster boards.
- two plates are attached with their straight edges up to the proximity of the corner protection profile, and the residual spaces are filled with a filling substance, such as plaster.
- the obtained corner construction has the disadvantage that the covering layer does not extend over the corner, as a result of which unevennesses may occur and, furthermore, that the corner protection profile is visible.
- a corner construction for cardboard-covered plaster boards is known that is formed of two board parts from the same board, whereby these board parts remain connected by the covering layer on one side of the board and whereby these board parts are connected to each other by an additional elastic thin-walled profile which is glued to both board parts and to the connecting covering layer and which is provided with a longitudinal groove along which the profile is bent to position the board parts in an angle to each other to form said construction.
- the object of this corner construction is that a single type of bending profile can be used to form corner constructions with different angles and also to form inner and outer corner constructions.
- a disadvantage of such corner construction is that it is relatively weak because the two board parts are only held together by a connecting cardboard strip and by the remaining thickness of the thin-walled profile along the above-mentioned groove.
- Another disadvantage is that the corner construction remains flexible during and after mounting, so that the board parts can move with respect to each other which may result in cracking and loosening of the cardboard and hence of the covering material along the edge of the corner construction.
- the invention aims at a corner construction which does not show the aforementioned disadvantages.
- the invention provides a corner construction according to claim 1.
- impact-resistant is meant that the profile at least offers a reinforcement of the corner, such that it can better resist to impacts.
- a rigid profile with which is meant that this profile is so rigid that this profile, as well as the covering layer extending thereover, can not become indented at the height of the corner, and that this profile does not exert any resilient force onto the covering layer.
- the profile is also fitted against the covering layer in such a manner that this profile with its circumference is tangential to the prolongations of the inner sides of the covering layer of the two board parts.
- the material of the core of the two board parts extends up to the aforementioned profile.
- the profile is laterally blocked and actually is attached.
- the covering layer directly extends from the core of one board part up to the profile, and extends from the profile directly up to the core of the other board part, such that, at the height of the corner, no parts are formed where the covering layer is not supported.
- the covering layer may become deformed locally or may be easily indented and possibly might tear.
- the corner construction of the invention can form a part of a prefabricated construction, whereby boards and corners are cut and constructed beforehand to size, with specific dimensions, adapted to the application.
- corner construction of the invention can also be realized with standard dimensions, in such a manner that the corner construction, so to say, forms a corner element which exclusively has to be sawn to length, whereby the respective walls have to be adapted to the corner element.
- the invention also relates to a method according to claim 13 for realizing such corner constructions, either in a workshop or on site, in order to realize corner constructions to size for a specific application, or in a factory in order to realize standard designs in series production.
- the whole unit is glued together at the height of the corner. It is obvious that in this manner the corner construction can be realized very simple and very precisely.
- the enclosed profile is rod-shaped or comprises a rod-shaped part.
- the complete corner can be prepared in prefabrication in a workshop, such that the corner only has to be mounted on site, without the necessity of performing additional finishing activities. Thereby, the traditionally required finishing materials become redundant.
- the invention provides in a corner construction 12 which is reinforced in a special manner.
- a corner construction 12 which is realized of a board 13 consisting of a core 14 and, provided at least at one side 15 thereof and preferably, as shown, at both sides 15-16, a covering layer, 17-18 respectively.
- the invention in the first instance is intended for classic cardboard-covered plaster boards, whereby the core 14 consists of gypsum plaster and the covering layers 17-18 consist of cardboard.
- cardboard-covered plaster boards also includes all boards having a core made of gypsum plaster or of a material based on gypsum plaster and which are provided with a covering layer 17 of a material which is foldable in a manner comparable to cardboard.
- the particularity of the invention consists in that the corner construction 12 is characterized in that the board 13, with the exception of the covering layer 17, is interrupted at the height of the corner; that the board 13, at the height of the covering layer 17, is bent, respectively folded, such that two board parts 19-20 are created which form a corner; and that an impact-resistant profile 21 is enclosed between these board parts 19-20 which, as represented, fits against the covering layer 17, as a result of which an optimum resistance against impacts is obtained, whereas the profile 21 still is kept from sight.
- the profile 21 is rounded off at least at the side which fits against the covering layer, in such a manner that a smooth corner is formed and no acute edges effect on the covering layer 17.
- a rod-shaped profile may be applied which preferably is massive.
- the profile 21 is completely enclosed, as a result of which it perfectly remains at its place.
- the narrow edges 22-23 of the board parts 19-20 are mitred and fit against each other.
- the various joining parts can be mutually connected in that the whole is glued together.
- the board 13, as shown in figure 5, is milled off at the side 16 until against the covering layer 17 situated at the other side 15.
- a recess 24 is formed with a top angle X which, in the case of a right corner, is 90°, and, on the other hand, a seat 25 which subsequently shall function as a corner space for the application of the aforementioned profile 21.
- FIG 7 a variant of the corner construction 12 of the invention is shown, whereby it is additionally reinforced by means of an internal angular profile 27, preferably an L-profile.
- This L-profile can be attached in any manner. In figure 7, this attachment is realized by means of screws 28, but according to a variant, use might also be made of glue or similar.
- FIG 7 makes the use of an internal support profile 4, such as shown in figure 1, redundant.
- the internal angular profile 27 can form a whole with the profile 21, for example, by being mutually connected by means of a flange 29 which then takes place between the edges 22-23 of the board parts 19-20. It is obvious that the recess 24 then is manufactured in a suitable manner to prevent that the presence of the flange 29 has a disturbing effect when the board parts 19-20 are folded in an angle.
- figure 9 shows the composed profile 30 which is applied in figure 8.
- the flange 29 preferably is connected to the corner of the L-shaped angular profile 27, in the direction of the bisecting line of the legs of this profile 27.
- the profile parts 21-27-30 may have various cross-sections. So, for example, it is possible, instead of using a rod-shaped profile 21, to make the flange 29 longer, in such a manner that it rests with its free extremity against the inner side of the covering layer 17, as a result of which this flange 29 itself will function as a corner reinforcement profile.
- the angular profile 27 must not necessarily be L-shaped but may also consist of a hollow or square profile, a triangular profile or similar.
- the flange 29 must not necessarily be massive and may also consist of a series of local connections which, at well-defined distances, couple the profile 21 to the profile 27.
- the profiles 21-27-30 may consist of different materials, such as metal, for example, aluminium, synthetic material, and so on.
- the corner construction 12 may form part of a standard corner element with board parts 19-20 which extend over well-defined distances A and B and which optionally are provided with chamfers 31-32 allowing an adaptation to adjacent boards, by means of a filling agent.
- the invention also relates to the special auxiliary elements which are used for the realization of such corner construction 12, by which the profiles are intended which are especially designed to this aim, such as, for example, the aforementioned composed profile 30.
- the profile 21 preferably is rounded off, this is no necessity. According to a variant, use can be made of an angular profile or a profile with an acute edge.
- the rounded-off side of the profile 21 which fits against the covering layer 17, preferably has a rounding radius which is smaller than half of the thickness of the cardboard-covered plaster board 13. In the most extreme case, this rounding radius is nihil, which means that the corner is straight.
- the total thickness of the profile 21, or, in the case of a composed profile 30, the total thickness of the part which is situated between the board parts 19 and 20, measured according to the direction perpendicular to the bisecting line, is smaller than half of the thickness of the cardboard-covered plaster board 13.
- profile 21 itself may consist of several parts, for example, may consist of two profiles which are placed against each other, which either are or are not attached to each other.
- the aforementioned cardboard-covered plaster board can be of any kind.
- the material of the core may, for example, be reinforced with an armouring or with fibers.
- the covering layers 17 and/or 18 themselves may be composed of different layers which not necessarily all have to consist of cardboard.
- the profile 21 fits against the covering layer 17 directly, as well as indirectly.
- glue is present between the profile 21 and the covering layer 17, or that optionally a thin flexible film or similar is provided there between, for example, for forming a liquid-tight screen between the covering layer 17 and the metal of the profile 21.
Abstract
Description
- This invention relates to a corner construction comprising cardboard-covered plaster board, more particularly a board consisting of a core of gypsum plaster or based on gypsum plaster and a covering layer provided at least at one side thereof.
- The invention also relates to a method for realizing such corner construction.
- In the classic manner, an external corner of cardboard-covered plaster board is realized by placing the.boards forming the corner against each other at this corner, attaching a zinc plated angular profile thereover and subsequently levelling the whole with filler to a smooth entire formation. In first instance, the angular profile used therewith is destined to provide a protection for the corner against external impacts and, in the second place, is also meant to provide for an adherence for the filling agent.
- This classical technique shows the disadvantages that it requires a very time-consuming and precise activity on site; that additionally materials are necessary, such as an internal support profile which allows to fix the angular profile by nailing it on, the angular profile itself and filler; that this is a dirty work due to working with wet filler; and that the corner which is obtained as a result, no longer is a right angle, which may be esthetically undesirable, in particular in the case of certain natural or artificial incidences of light.
- According to another known technique, a prefabricated corner construction is provided by milling a notch out of the cardboard-covered plaster board precisely up to the underlaying cardboard layer and folding the cardboard-covered plaster board together. This method offers the advantage that the corners can be prefabricated in a workshop, such that on site only the installation has to be performed, without further finishing. Furthermore, with this method the use of additional finishing materials is almost excluded. More particularly, no external angular profile, no filler and, in many cases, also no internal fixation profile will be necessary any more.
- Until now, this method, however, has the great disadvantage that the obtained external corners are no longer additionally protected and, as a result, are very sensible to external impacts. This results in that such prefabricated corner constructions are very suitable for the construction of ceilings and for wall parts at a height above the floor, but mostly are not suited for walls extending to the floor.
- In order to still reinforce these latter corner constructions, an external angular profile may be attached, but this, then, again results in the already mentioned disadvantages of the aforementioned classical technique.
- The technique of milling out of the cardboard-covered plaster board up to the underlying cardboard layer and the subsequent folding tight of the cardboard-covered plaster board is described, amongst others, in WO 94/10403.
- From WO 94/10403, it is also known to form a corner by making a relatively large recess in the board, in such a manner that two board parts are obtained, providing a flat strip in one of the board parts, and folding the whole at a distance from the free extremity of this strip. Hereby, the strip serves as a support for holding the cardboard board more or less flat, or as a fixation element for attaching the whole on a support structure. Considering that the strip does not extend up to the corner, a corner protection is not obtained.
- Other techniques for forming corners are also known from US 4.387.128 and US 2.142.771. Hereby, constructions are intended which allow to realize a rounded-off corner. To this aim, a bendable strip is provided in the board at the place where the corner has to be realized, in such a manner that, by bending, a rounded-off corner is obtained.
- The system described in the aforementioned two American patents is intended for the use in boards consisting of wood, plywood and similar and is not suited for being applied in cardboard-covered plaster boards. Considering that in cardboard-covered plaster boards the cardboard layer only adheres with a relatively small force to the core consisting of gypsum plaster, it is not possible to make use of an elastically bent element for forming a corner, as the cardboard, by means of the resilient reaction force in the bent strip, would be pushed off from the gypsum plaster core.
- Considering that in the system described in the aforementioned American patents, the strip has to be bendable and, thus, relatively thin, the obtained corner has the disadvantage that it can easily be damaged by indenting.
- The method for the attachment of the strip which is described in the aforementioned two American patents, is just as little applicable for cardboard-covered plaster boards, as, according to this method, the board is milled off at the visible side, after which the strip is attached and smoothed off, and the covering layer subsequently is attached hereover. It is obvious that this is not possible with cardboard-covered plaster boards, as the cardboard is already present on the boards since their manufacturing.
- From US 3.911.554, a method is known for forming a corner out of a plate which is provided with a metal covering layer. Hereby, the corner can be reinforced at the interior side by means of an angular profile. This technique is not suitable for cardboard-covered plaster plates, as in this case a corner would be obtained which is very sensitive to external impacts.
- From DE 3.937.231, a corner construction is known for plates of plastic foam, whereby the adjacent parts are connected by means of a tongue-and-groove connection clicking together. The connection obtained hereby does not offer an additional resistance against external impacts. Furthermore, such connection is not suitable for cardboard-covered plaster boards, as the gypsum plaster core is not elastic and would break apart during clicking together.
- From GB 403.218, GB 2.292.582 and FR 708.939, metal profiles are known which can be fixed at the corner of a wall and thereby can be worked into a plastering. Such profiles, however, are not suitable to be used in walls of cardboard-covered plaster boards.
- In DE-U1-9106350, a corner protection profile is described which in fact can be applied in combination with cardboard-covered plaster boards. In order to form a corner, two plates are attached with their straight edges up to the proximity of the corner protection profile, and the residual spaces are filled with a filling substance, such as plaster. The obtained corner construction has the disadvantage that the covering layer does not extend over the corner, as a result of which unevennesses may occur and, furthermore, that the corner protection profile is visible.
- From DE 3.138.380 a corner construction for cardboard-covered plaster boards is known that is formed of two board parts from the same board, whereby these board parts remain connected by the covering layer on one side of the board and whereby these board parts are connected to each other by an additional elastic thin-walled profile which is glued to both board parts and to the connecting covering layer and which is provided with a longitudinal groove along which the profile is bent to position the board parts in an angle to each other to form said construction. The object of this corner construction is that a single type of bending profile can be used to form corner constructions with different angles and also to form inner and outer corner constructions. A disadvantage of such corner construction is that it is relatively weak because the two board parts are only held together by a connecting cardboard strip and by the remaining thickness of the thin-walled profile along the above-mentioned groove. Another disadvantage is that the corner construction remains flexible during and after mounting, so that the board parts can move with respect to each other which may result in cracking and loosening of the cardboard and hence of the covering material along the edge of the corner construction.
- The invention aims at a corner construction which does not show the aforementioned disadvantages.
- To this aim, the invention provides a corner construction according to claim 1.
- With "impact-resistant" is meant that the profile at least offers a reinforcement of the corner, such that it can better resist to impacts.
- As a profile is enclosed between these board parts which is impact-resistant, an also impact-resistant corner construction is obtained. As the board parts still are connected to each other, it is not necessary to use external profiles. As the profile is closed in, an enlargement at the exterior side is avoided, as a result of which the disadvantages of the above described classical technique do not manifest themselves, in other words, the obtained corner is always perfectly straight, in such a way that which incidence of light whatsoever does not cause a disturbing effect.
- Preferably, use shall be made of a rigid profile, with which is meant that this profile is so rigid that this profile, as well as the covering layer extending thereover, can not become indented at the height of the corner, and that this profile does not exert any resilient force onto the covering layer.
- Preferably, the profile is also fitted against the covering layer in such a manner that this profile with its circumference is tangential to the prolongations of the inner sides of the covering layer of the two board parts.
- Preferably, the material of the core of the two board parts extends up to the aforementioned profile. As a result thereof, the profile is laterally blocked and actually is attached. Furthermore, as a result of this, it is obtained that the covering layer directly extends from the core of one board part up to the profile, and extends from the profile directly up to the core of the other board part, such that, at the height of the corner, no parts are formed where the covering layer is not supported. As a result of this, it is excluded that the covering layer may become deformed locally or may be easily indented and possibly might tear.
- The corner construction of the invention can form a part of a prefabricated construction, whereby boards and corners are cut and constructed beforehand to size, with specific dimensions, adapted to the application.
- The corner construction of the invention, however, can also be realized with standard dimensions, in such a manner that the corner construction, so to say, forms a corner element which exclusively has to be sawn to length, whereby the respective walls have to be adapted to the corner element.
- The invention also relates to a method according to
claim 13 for realizing such corner constructions, either in a workshop or on site, in order to realize corner constructions to size for a specific application, or in a factory in order to realize standard designs in series production. Preferably, the whole unit is glued together at the height of the corner. It is obvious that in this manner the corner construction can be realized very simple and very precisely. - In the most preferred form of embodiment, the enclosed profile is rod-shaped or comprises a rod-shaped part. As a result of this, an external corner is obtained which is much stronger than the reinforced corner obtained by means of the traditional system, as the traditionally applied corner protection profiles have a hollow angular side which can be easily indented.
- It is also obvious that, according to the invention, the complete corner can be prepared in prefabrication in a workshop, such that the corner only has to be mounted on site, without the necessity of performing additional finishing activities. Thereby, the traditionally required finishing materials become redundant.
- With the intention of better showing the characteristics of the invention, several preferred forms of embodiment are described hereafter, by means of example, without any limitative character, with reference to the accompanying drawings, wherein:
- figure 1 represents a traditional embodiment of a corner construction;
- figures 2 and 3 schematically represent an also known technique for forming a corner construction;
- figure 4 in cross-section represents a corner construction according to the invention;
- figures 5 and 6 represent how the corner construction from figure 4 can be realized;
- figure 7 in cross-section represents a variant of a corner construction according to the invention;
- figure 8 in cross-section represents another variant of the invention;
- figure 9 in perspective represents the profile which is applied in the embodiment from figure 8.
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- As represented in figure 1, in a traditional corner construction 1 two cardboard-covered plaster boards 2-3 are placed at the height of the corner with their extremities against each other, against an
internal support profile 4, and at the exterior side, an externalangular profile 5 is provided thereupon which is hidden from sight by means offiller 6. Figure 1 demonstrates that hereby the disadvantages mentioned above in the introduction occur. - According to another technique already mentioned in the introduction, one starts, as shown in figure 2, with a cardboard-covered
plaster board 7 in which a milledindentation 8 up to the lower cardboard layer 9 is provided, and the whole, as shown in figure 3, is folded tight, preferably against an internal support profile 10. It is obvious that the obtained corner construction 11 has little resistance against impacts. - In order to offer a solution for the aforementioned disadvantages, the invention, as shown in figure 4, provides in a
corner construction 12 which is reinforced in a special manner. - As this is also the case in the embodiments from figures 1 to 3, reference is made to a
corner construction 12 which is realized of aboard 13 consisting of acore 14 and, provided at least at oneside 15 thereof and preferably, as shown, at both sides 15-16, a covering layer, 17-18 respectively. Hereby, it is noted that the invention in the first instance is intended for classic cardboard-covered plaster boards, whereby thecore 14 consists of gypsum plaster and the covering layers 17-18 consist of cardboard. More generally, however, according to the invention, the term "cardboard-covered plaster boards" also includes all boards having a core made of gypsum plaster or of a material based on gypsum plaster and which are provided with acovering layer 17 of a material which is foldable in a manner comparable to cardboard. - The particularity of the invention consists in that the
corner construction 12 is characterized in that theboard 13, with the exception of thecovering layer 17, is interrupted at the height of the corner; that theboard 13, at the height of thecovering layer 17, is bent, respectively folded, such that two board parts 19-20 are created which form a corner; and that an impact-resistant profile 21 is enclosed between these board parts 19-20 which, as represented, fits against the coveringlayer 17, as a result of which an optimum resistance against impacts is obtained, whereas theprofile 21 still is kept from sight. - Preferably, the
profile 21 is rounded off at least at the side which fits against the covering layer, in such a manner that a smooth corner is formed and no acute edges effect on thecovering layer 17. In order to obtain this, a rod-shaped profile may be applied which preferably is massive. - In the embodiment of figure 4, the
profile 21 is completely enclosed, as a result of which it perfectly remains at its place. - The narrow edges 22-23 of the board parts 19-20 are mitred and fit against each other.
- At the height of the corner, the various joining parts can be mutually connected in that the whole is glued together.
- The method of the invention, for realizing the
corner construction 12 of figure 4, is illustrated in steps in figures 5 and 6. - First, the
board 13, as shown in figure 5, is milled off at theside 16 until against the coveringlayer 17 situated at theother side 15. Hereby, on one hand, arecess 24 is formed with a top angle X which, in the case of a right corner, is 90°, and, on the other hand, aseat 25 which subsequently shall function as a corner space for the application of theaforementioned profile 21. - Then a
glue 26 suited therefore is applied on the completely finished surface, after which, as shown in figure 6, the rod-shapedprofile 21 is provided in theseat 25, over the complete length of theboard 13. By subsequently, as indicated by arrow Y, folding the board parts 19-20 in respect to each other and giving theglue 26 the time to set, a corner construction, as illustrated in figure 4, is obtained. - It is obvious that, in certain applications, it is not excluded to make no use of glue.
- In figure 7, a variant of the
corner construction 12 of the invention is shown, whereby it is additionally reinforced by means of an internalangular profile 27, preferably an L-profile. This L-profile can be attached in any manner. In figure 7, this attachment is realized by means of screws 28, but according to a variant, use might also be made of glue or similar. - The embodiment from figure 7 makes the use of an
internal support profile 4, such as shown in figure 1, redundant. - As shown in figure 8, the internal
angular profile 27 can form a whole with theprofile 21, for example, by being mutually connected by means of aflange 29 which then takes place between the edges 22-23 of the board parts 19-20. It is obvious that therecess 24 then is manufactured in a suitable manner to prevent that the presence of theflange 29 has a disturbing effect when the board parts 19-20 are folded in an angle. - For the sake of clearness, figure 9 shows the composed
profile 30 which is applied in figure 8. As visible, theflange 29 preferably is connected to the corner of the L-shapedangular profile 27, in the direction of the bisecting line of the legs of thisprofile 27. - It is obvious that the profile parts 21-27-30 may have various cross-sections. So, for example, it is possible, instead of using a rod-shaped
profile 21, to make theflange 29 longer, in such a manner that it rests with its free extremity against the inner side of thecovering layer 17, as a result of which thisflange 29 itself will function as a corner reinforcement profile. Theangular profile 27 must not necessarily be L-shaped but may also consist of a hollow or square profile, a triangular profile or similar. - The
flange 29 must not necessarily be massive and may also consist of a series of local connections which, at well-defined distances, couple theprofile 21 to theprofile 27. - The profiles 21-27-30 may consist of different materials, such as metal, for example, aluminium, synthetic material, and so on.
- As represented schematically in dash-dot line in figure 8, the
corner construction 12 may form part of a standard corner element with board parts 19-20 which extend over well-defined distances A and B and which optionally are provided with chamfers 31-32 allowing an adaptation to adjacent boards, by means of a filling agent. - It is obvious that the corner constructions from figures 7 and 8 can be realized in the same manner as described heretofore by means of the figures 5 and 6.
- It is obvious that the invention also relates to the special auxiliary elements which are used for the realization of
such corner construction 12, by which the profiles are intended which are especially designed to this aim, such as, for example, the aforementioned composedprofile 30. - It is obvious that, in all forms of embodiment, the whole either can be glued and/or screwed together or not, either with the application of additional auxiliary elements or not.
- Although the
profile 21 preferably is rounded off, this is no necessity. According to a variant, use can be made of an angular profile or a profile with an acute edge. - The rounded-off side of the
profile 21 which fits against the coveringlayer 17, preferably has a rounding radius which is smaller than half of the thickness of the cardboard-coveredplaster board 13. In the most extreme case, this rounding radius is nihil, which means that the corner is straight. - Preferably, the total thickness of the
profile 21, or, in the case of a composedprofile 30, the total thickness of the part which is situated between theboard parts plaster board 13. - By working with a
profile 21 showing one or both of the last-mentioned characteristics, a very compact corner is obtained. - It is obvious that the
profile 21 itself may consist of several parts, for example, may consist of two profiles which are placed against each other, which either are or are not attached to each other. - As already mentioned, it is obvious that the aforementioned cardboard-covered plaster board can be of any kind. The material of the core may, for example, be reinforced with an armouring or with fibers. The covering layers 17 and/or 18 themselves may be composed of different layers which not necessarily all have to consist of cardboard.
- With the characteristic that the
profile 21 fits against the coveringlayer 17 is meant that theprofile 21 may fit against thiscovering layer 17 directly, as well as indirectly. With the latter is meant that, for example, glue is present between theprofile 21 and thecovering layer 17, or that optionally a thin flexible film or similar is provided there between, for example, for forming a liquid-tight screen between the coveringlayer 17 and the metal of theprofile 21. - Although the forms of embodiment represented in the figures always relate to angles of 90°, it is obvious that the invention is also applicable for corner constructions extending over other angles. The corresponding profiles 27 and/or 30 will then, of course, be adapted in shape.
- The present invention is in no way limited to the forms of embodiment described by way of example and represented in the figures, however, on the contrary, such corner construction and method for the realization thereof and the auxiliary elements applied therewith, such as the composed
profile 30, may be realized in various forms without leaving the scope of the invention.
Claims (15)
- Corner construction comprising a cardboard-covered plaster board (19-20) and a profile (21) , whereby this board (13) consists of a core (14) and a covering layer (17) provided at least at one side (15) thereof, and whereby the board (13), with the exception of the covering layer (17), is interrupted and is bent there at the height of the covering layer (17) such that two board parts (19-20) are created which form an angle, whereby said profile (21) is provided between these board parts (19-20) and whereby said profile (21) is impact-resistant, or at least offers a certain resistance against impacts,
characterized in that
said profile (21) comprises a rod-shaped part which fits, respectively is situated against the covering layer (17), at the location where this latter is bent. - Corner construction according to claim 1, characterized in that the impact-resistant profile (21) consists of a rigid profile.
- Corner construction according to claim 1 or 2, characterized in that the impact-resistant profile (21) is attached against the covering layer (17) in such a manner that this impact-resistant profile (21) is tangential to the prolongations of the inner sides of the covering layer (17) of the two board parts (19-20).
- Corner construction according to any of the preceding claims, characterized in that the two board parts (19-20) extend with their core up to the impact-resistant profile (21).
- Corner construction according to any of the preceding claims, characterized in that the impact-resistant profile (21) is rounded off at least at the side which is directed towards the covering layer (17).
- Corner construction according to any of the preceding claims, characterized in that the impact-resistant profile (21) is rod-shaped.
- Corner construction according to any of the preceding claims, characterized in that it is provided with an internal angular profile (27) being distant from the impact-resistant profile (21) and fitting against the board parts (19-20), whereby the board parts (19-20) optionally are screwed against the internal angular profile (27).
- Corner construction according to any of the preceding claims, characterized in that the aforementioned impact-resistant profile (21) is completely enclosed between the covering layer (17) and the core (14) of the surrounding board parts (19-20).
- Corner construction according to any of claims 1 to 6, characterized in that it is provided with an internal angular profile (27) fitting against the board parts (19-20), whereby the board parts (19-20) optionally are screwed against the internal angular profile (27), and that
the aforementioned impact-resistant profile (21) is manufactured in one part with the internal angular profile (27), such that both profiles form a composed profile (30). - Corner construction according to any of the preceding claims, characterized in that the impact-resistant profile (21), or the composed profile (30) of which the impact-resistant profile (21) is a part, has dimensions which comply to one or both of the following parameters:the rounded-off side of the impact-resistant profile (21) which fits against the covering layer (17) has a rounding radius which is smaller than half of the thickness of the cardboard-covered plaster board (13);the total thickness of the impact-resistant profile (21), or, in the case of a composed profile (30), the total thickness of the part which is situated between the board parts (19-20), measured according to the direction perpendicular to the bisecting line, is smaller than half of the thickness of the cardboard-covered plaster board (13).
- Corner construction according to any of the preceding claims, characterized in that the whole is glued and/ or screwed together.
- Corner construction according to any of the aforementioned claims, characterized in that the board (13) is a cardboard-covered plaster board which is provided with a covering layer (17-18) from cardboard on both sides.
- Method for realizing a comer construction, as described in any of the preceding claims, at least comprising the following successive steps:milling off the board (13) at one side (16) up to the covering layer (17) which is situated at the other side (15), thereby realizing a seat (25) for a rod-shaped part of an impact-resistant profile (21), providing said rod-shaped part of the impact-resistant profile (21) at the height of the seat (25), and folding tight of the whole in the desired corner form.
- Method according to claim 13, characterized in that during milling, a recess (24) in the shape of a well-defined angle is realized, in such a manner that the board parts (19-20) after folding match to each other in a mitred manner and that the aforementioned seat (25) is provided in the bottom of this recess (24).
- Method according to claim 13 or 14, characterized in that the whole unit is glued together by first of all providing a quantity of glue. (26) on the board at the height of the seat (25), subsequently bringing the profile (21-30) at its location and thereafter folding the whole together into the desired angle.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9601068 | 1996-12-19 | ||
BE9601068A BE1010816A3 (en) | 1996-12-19 | 1996-12-19 | CORNER CONSTRUCTION plasterboard OR THE LIKE AND METHOD FOR REALIZE ANY SUCH AREA CONSTRUCTION AND ACCESSORIES ARE HEREBY USED. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0849415A1 EP0849415A1 (en) | 1998-06-24 |
EP0849415B1 true EP0849415B1 (en) | 2004-06-16 |
Family
ID=3890161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97203883A Expired - Lifetime EP0849415B1 (en) | 1996-12-19 | 1997-12-11 | Corner construction of cardboard-covered plaster board and method for realizing such corner construction |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0849415B1 (en) |
AT (1) | ATE269466T1 (en) |
BE (1) | BE1010816A3 (en) |
DE (1) | DE69729539T2 (en) |
NO (1) | NO316391B1 (en) |
PL (1) | PL191434B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT503464B1 (en) * | 2006-06-29 | 2007-10-15 | Werner Dr Kampichler | Profile system for producing corner construction in dry mortarless construction, has mounting profile with profile sections swivelable over hinge joint about axis parallel to longitudinal axis of mounting profile and covering profile |
US8236114B2 (en) | 2010-02-10 | 2012-08-07 | Josef Gangl | Method and system for placing a corner reinforcement insert in a gypsum board corner assembly |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19929584A1 (en) * | 1999-06-29 | 2001-01-18 | Karl Bauer | Angled formwork made of plate-like material |
DE102005022827B4 (en) * | 2005-05-12 | 2009-04-23 | Roman Zahner | Edging for a wall edge of a window or door reveal to form a pocket |
EP1811099A3 (en) * | 2006-01-20 | 2008-09-24 | Knauf Gips KG | Building element for making a corner element |
FR2905965B1 (en) * | 2006-09-15 | 2013-11-29 | Placoplatre Sa | IMPROVEMENT CONCERNING A PLATING PLATE, IN PARTICULAR A PLATE OF PLASTER. |
AT10265U1 (en) * | 2007-04-05 | 2008-12-15 | Magacon Technologies Gmbh | TOOL FOR MANUFACTURING A REVERSED NUT IN A SANDWICH PLATE |
DE102008031855B3 (en) * | 2008-07-05 | 2010-01-28 | Willi Kapfer | space element |
ITBO20090030A1 (en) * | 2009-01-23 | 2010-07-24 | Aldo Bacchielli | PROCEDURE FOR THE REALIZATION OF COLUMNS AND PLASTERBOARD GORGES AND ELEMENTS OBTAINED WITH SUCH PROCEDURE |
DE102009036985B4 (en) * | 2009-08-12 | 2012-08-09 | Joachim Sonnberger | Coating material, method of making a rounded-faced coated workpiece and coated workpiece |
ES1086933Y (en) * | 2013-07-17 | 2013-11-06 | Gascon David Fernandez | Corner profile for joining angled pieces |
JP6430124B2 (en) * | 2014-02-14 | 2018-11-28 | チヨダウーテ株式会社 | Corner board |
JP2017214807A (en) * | 2016-06-02 | 2017-12-07 | フクビ化学工業株式会社 | Corner member and manufacturing method thereof |
CA3036898C (en) * | 2016-09-15 | 2022-10-18 | Jerry Moscovitch | Hinging drywall apparatus and method |
JP2017106315A (en) * | 2017-02-22 | 2017-06-15 | チヨダウーテ株式会社 | Corner board and manufacturing method of corner board |
CN114919246B (en) * | 2022-06-28 | 2023-08-29 | 平邑县富华石膏制品有限公司 | Reinforced gypsum board and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138380A1 (en) * | 1981-09-26 | 1983-04-07 | Oskar 6620 Völklingen Adam | Room corner bead made of gypsum plasterboard |
GB2292582A (en) * | 1994-08-25 | 1996-02-28 | Trimtec Ltd | Render or plaster profile |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR708939A (en) * | 1931-01-08 | 1931-07-30 | Metal angles for reinforcing the corners of brick walls and the like coated with plaster | |
GB403218A (en) * | 1932-12-01 | 1933-12-21 | Henry Darbyshire | Improvements in and connected with the forming of reinforced or strong and true internal angles of walls of buildings |
US2142771A (en) * | 1937-12-14 | 1939-01-03 | Elmo E Alexander | Bendable panel |
US3911554A (en) * | 1974-12-02 | 1975-10-14 | Robertson Co H H | Method of bending a laminated building panel and a corner produced thereby |
US4387128A (en) * | 1979-07-12 | 1983-06-07 | Brymitre Limited | Foldable structure |
DE3937231C2 (en) * | 1989-11-09 | 2001-01-04 | Gefinex Jackon Gmbh | Corner profile |
DE9106350U1 (en) * | 1991-05-23 | 1991-10-17 | Jannusch, Heinz, 2000 Hamburg, De | |
AU5379094A (en) * | 1992-11-02 | 1994-05-24 | Philip Andrew Barrance | Building corner construction |
-
1996
- 1996-12-19 BE BE9601068A patent/BE1010816A3/en active
-
1997
- 1997-12-11 AT AT97203883T patent/ATE269466T1/en not_active IP Right Cessation
- 1997-12-11 EP EP97203883A patent/EP0849415B1/en not_active Expired - Lifetime
- 1997-12-11 DE DE69729539T patent/DE69729539T2/en not_active Expired - Fee Related
- 1997-12-18 NO NO19975964A patent/NO316391B1/en not_active IP Right Cessation
- 1997-12-19 PL PL323893A patent/PL191434B1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138380A1 (en) * | 1981-09-26 | 1983-04-07 | Oskar 6620 Völklingen Adam | Room corner bead made of gypsum plasterboard |
GB2292582A (en) * | 1994-08-25 | 1996-02-28 | Trimtec Ltd | Render or plaster profile |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT503464B1 (en) * | 2006-06-29 | 2007-10-15 | Werner Dr Kampichler | Profile system for producing corner construction in dry mortarless construction, has mounting profile with profile sections swivelable over hinge joint about axis parallel to longitudinal axis of mounting profile and covering profile |
US8236114B2 (en) | 2010-02-10 | 2012-08-07 | Josef Gangl | Method and system for placing a corner reinforcement insert in a gypsum board corner assembly |
Also Published As
Publication number | Publication date |
---|---|
EP0849415A1 (en) | 1998-06-24 |
BE1010816A3 (en) | 1999-02-02 |
NO316391B1 (en) | 2004-01-19 |
DE69729539D1 (en) | 2004-07-22 |
DE69729539T2 (en) | 2005-07-28 |
NO975964L (en) | 1998-06-22 |
NO975964D0 (en) | 1997-12-18 |
PL191434B1 (en) | 2006-05-31 |
ATE269466T1 (en) | 2004-07-15 |
PL323893A1 (en) | 1998-06-22 |
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