B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 21/04 (2006.01) B27M 1/08 (2006.01) B27N 3/06 (2006.01) E04C 2/12 (2006.01) E04C 2/16 (2006.01)
Patent
CA 2596138
The invention relates to a building board or a building element having a multilayer structure, preferably wood-based and consisting of at least three bonded to each other layers, wherein a layer (5) is made of a material, preferably wood-based, which consists of vertically oriented (fv) vertical fibres (50) and is formed as a core layer between two covering layers (3, 4) made of a layer, preferably wood-based, material, the vertical fibres (50) are oriented substantially in a vertical direction with respect to the main extension (ed) of the covering layers (3, 4), in the preferred embodiment, the vertical fibre layer (50) comprises a plurality of vertical cavities (6) which completely transverse said layer and are oriented in a direction (hv) in conformity with the vertical orientation (fv) of the vertical fibres (50) of the material, preferably wood, of which said layer (5) is made. A method for producing the inventive building boards and elements is also disclosed.
L'invention concerne un panneau de construction ou un élément de construction à structure multicouche, de préférence à base de bois, constitué d'au moins trois couches reliées les unes aux autres. Selon l'invention, une couche (5) constituée d'un matériau contenant des fibres verticales (50), à orientation verticale (fv), de préférence constituée de bois, est formée en tant que couche centrale entre deux couches de recouvrement (3,4) formées d'un matériau de couche, notamment à base de bois. Les fibres verticales (50) sont orientées de manière sensiblement perpendiculaire à l'étendue principale (ed) des deux couches de recouvrement (3,4). De préférence, la couche de fibres verticales (50) comporte une pluralité de cavités verticales (6) traversant entièrement cette dernière, présentant une orientation (hv) qui concorde sensiblement avec l'orientation verticale (fv) des fibres verticales (50) du matériau formant cette couche (5), de préférence du bois. L'invention concerne également des procédés pour produire lesdits panneaux de construction ou éléments de construction.
Berger Johann
Marks & Clerk
LandOfFree
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