Composite structural material and method of making the same

Details Composite structural material and method of making the same Composite structural material and method of making the same

B - Operations, Transporting

32

B

B32B 5/22 (2006.01) B32B 27/04 (2006.01) B32B 27/28 (2006.01) B32B 29/02 (2006.01) B65D 19/26 (2006.01)

Patent

CA 2592273

A composite structural material suitable, for example, as a replacement for wooden boards, sheets, or posts, is disclosed. It comprises a dimensionally stable core material substantially surrounded by a dimensionally stable, laminar covering that is adherent to the core material. The laminar covering is comprised of at least one band of substantially parallel reinforcing cords bonded to at least one layer of a dimensionally stable web material selected from the group consisting of rigidified paper and rigidified cloth. Preferably the band of reinforcing cords is sandwiched between two layers of rigidified paper or cloth. The core material can be, for example, a foamed synthetic resin with or without filler. A continuous process for manufacturing the material is disclosed.

L'invention concerne un matériau structurel composite approprié, par exemple, pour remplacer des planches, des feuilles ou des poteaux en bois. Ledit matériau comprend un matériau de noyau de dimension stable sensiblement entouré par un revêtement laminaire également de dimension stable qui adhère audit matériau de noyau. Le revêtement laminaire est composé d'au moins une bande de cordons de renforcement sensiblement parallèles liés à au moins une couche de matériau en bande de dimension stable sélectionné dans le groupe constitué par du papier ou une étoffe rigidifié. Le matériau de noyau peut, par exemple, être une résine synthétique cellulaire avec ou sans charge. L'invention concerne également un procédé de production dudit matériau en continu.

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