TREA

Building board

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Information

  • Patent Grant
  • 7651751
  • Patent Number
    7,651,751
  • Date Filed
    Tuesday, February 10, 2004
    20 years ago
  • Date Issued
    Tuesday, January 26, 2010
    14 years ago
Information
Abstract
A building board for use as a ceiling or wall element in house building is characterized by a plurality of OSBs which are disposed side by side and are bonded together in multiple layers.
Description
FIELD OF THE INVENTION

The invention relates to a building board for use as a ceiling or wall element in house building.


BACKGROUND DESCRIPTION

Intermediate ceilings are employed in houses as stacked board ceilings, as boarded floors which are laid and fastened onto exposed and unexposed joists, and as concrete solid ceilings. These ceilings have to be prepared on the spot, so they take a correspondingly long time to make. In prefabricated house building, prefabricated stacked board elements are used.


Unless they are brick-built or cast from concrete, wall are made in post-and-beam construction, i.e. a trussing is erected, which is lined with timber-based material or plaster boards.


SUMMARY OF THE INVENTION

The object of the invention is to provide a building board for use as a ceiling or wall element in house building, which can be used as a prefabricated element, has good heat-insulating and sound-insulating properties and is cheap to produce.


To achieve the object, the building board is distinguished by a plurality of OSBs which are disposed side by side and are bonded together in multiple layers.


The connection of a plurality of boards to form a number of mutually offset layers creates a highly stable building board, which is nevertheless light. OSB (orientated strand board) has good mechanical properties.


In order to increase the stability of the building board, the layers of a plurality of boards are preferably additionally connected by mechanical connecting means (nails, screws, clamps). Manufacture is simplified if, between the individual layers, nail plates are employed for additional fastening.


In order to increase the sound-insulation and heat-insulation, a plastics mat can be provided between the layers.


The impact sound properties can be improved if interspaces are provided between the boards of a layer. These interspaces can also be filled with an insulating material.


The building board has a length of 2 to 20 m, especially 2 to 10 m or 4 to 6 m. The thickness measures 50 to 900 mm, especially 100 to 400 mm or 100 to 250 mm.





BRIEF DESCRIPTION OF THE DRAWINGS

An illustrative embodiment of the invention shall be described below with the aid of the drawing, which shows a perspective representation of a building board.



FIG. 1 is a schematic diagram of the building board of the invention.





DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION

The building board consists of a plurality of OSBs 1, 2, 3; 1a, 2a, 3a; 1b, 2b, 3b, which are bonded together one on top of the other to form multiple layers. As the adhesive, amino resins, especially melamine-reinforced urea resins, MUF, phenolic and resorcinol resins, or polyurethane-based and cyanate-based adhesives, as well as vinyl acetate-based, especially PVAc-based adhesives, may be used. The surface of the OSBs can be ground or non-ground. The individual boards 1, 2, 3, . . . can have a thickness between 8 and 60 mm. Between individual boards 1a, 2a, 3a, . . . of a layer, interspaces 4 might be provided. These interspaces 4 can be filled with an insulating material 5. The interspaces 4 improve the sound-insulating properties, which can be improved still further if the interspaces 4 are filled with insulating material 5. The interspaces 4 are about 20 mm wide. The heat-insulating and sound-insulating properties can be further enhanced if plastics mats 6 are provided between the individual layers.


In order to support the bonding of the individual layers, nail plates 7 can be provided. In addition, the individual layers can also be nailed, screwed or clamped together.


With the building board, spans of 4 to 10 m, preferably between 4 and 6 m, can be achieved in ceilings. In the case of walls, a span of 2 to 20 m and a width of 2 to 10 m can be achieved. The thickness of the building board for use as a ceiling element measures between 5 and 90 cm, preferably between 10 and 40 cm. The thickness of a wall element measures between 5 and 30 cm, preferably between 10 and 25 cm.

Claims
  • 1. A building board for use as a ceiling or wall element in house building, comprising a plurality of orientated strand boards (OSBs) which are disposed side by side and are bonded together in multiple layers, further comprising some interspaces filled with an insulating material and other interspaces devoid of the insulating material, at least one nail plate disposed between respectively two layers lying one on top of the other, and at least one plastic mat disposed between two layers lying one on top of the other.
  • 2. The building board as claimed in claim 1, wherein the layers of a plurality of boards are additionally connected to one another by mechanical connecting means.
  • 3. The building board as claimed in claim 2, wherein the at least one plastic mat is structured and arranged to increase the sound-insulation and heat insulation of the building board.
  • 4. The building board as claimed in claim 3, wherein: the plurality of OSBs have a thickness of 100 mm to 250 mm,the plurality of OSBs have a length of 4 m to 6 m, andthe interspaces are about 20 mm wide.
  • 5. The building board as claimed in claim 1 wherein the plurality of OSBs have a length of 2-20 m.
  • 6. The building board as claimed in claim 5, wherein the plurality of OSBs have a length of one of 2-10 m or 4-6 m.
  • 7. The building board as claimed in claim 5, wherein the plurality of OSBs have a thickness of one of 100-400 mm or 100-250 mm.
  • 8. The building board of claim 1, wherein: the some interspaces filled with an insulating material are provided in a first layer of the plurality of boards, andthe other interspaces devoid of the insulating material are provided in a second layer of the plurality of boards.
  • 9. The building board as claimed in claim 1, wherein: the interspaces filled with insulating material are disposed in an outermost layer of the plurality of orientated strand boards, andthe interspaces devoid of insulating material are disposed in a second layer adjacent the outermost layer.
  • 10. The building board as claimed in claim 9, wherein the at least one plastic mat is structured and arranged to increase the sound-insulation and heat insulation of the building board, wherein the at least one plastic mat is disposed between the outermost layer and the second layer, andthe at least one nail plate is disposed between the second layer and a third layer of the plurality of orientated strand boards.
Priority Claims (1)
Number Date Country Kind
103 06 118 Feb 2003 DE national
PCT Information
Filing Document Filing Date Country Kind 371c Date
PCT/DE2004/000226 2/10/2004 WO 00 1/13/2005
Publishing Document Publishing Date Country Kind
WO2004/071764 8/26/2004 WO A
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Related Publications (1)
Number Date Country
20050266199 A1 Dec 2005 US