Composite board with osb faces

Details Composite board with osb faces Composite board with osb faces

B - Operations, Transporting

27

N

B27N 3/04 (2006.01) B27N 3/00 (2006.01)

Patent

CA 2439641

A method and structure is disclosed for oriented strand boards that utilize a 3-layer, sandwich-type structural panel. The two outer faces are preferably made of wood flakes and the inner core preferably is made out of compression resistant products such as wood chips, paper mill sludge or recycled paper. The core is either a continuous perforated mat or a plurality of individual chunks of compression resistant materials, and preferably contains voids to provide for a reduction in weight of the board.

L'invention concerne un procédé de fabrication d'un panneau à copeaux orientés (OSB) et une structure de panneau à copeaux orientés qui font appel à un panneau structurel du type sandwich à trois couches. Les deux faces extérieures sont de préférence constituées de copeaux de bois et le noyau intérieur est de préférence constitué de produits résistants aux compressions tels que des frisures de bois, de la boue de papeterie ou du papier recyclé. Le noyau est constitué, soit par un matelas perforé continu, soit par une pluralité de fragments individuels de matériaux résistants aux compressions et contient de préférence des vides afin de réduire le poids du panneau.

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