Sandwich construction building materials

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 3/12 (2006.01) E04B 1/74 (2006.01) E04C 2/36 (2006.01) G10K 11/16 (2006.01)

Patent

CA 2180553

Sandwich construction building materials (10) are produced using conventional facings or plywood, fiberboard, particle board, mineral board, wood, metal, plastic, etc. on both faces (12, 14) of the building material (10), in the inner core (16) therebetween being made from natural wood veneer, veneer made from wood fibers or shavings bound by synthetic resin, etc., shaped into elongate strips (18) of angular, corrugated or undulating configuration or rolled into hollow cylindrical tubes. The strips (18) or tubes may be cut transversely into sections of equal height and assembled proximately or contiguously to form an inner core layer (16) having an openwork pattern. Openwork may be filled with insulation or strengthening materials, and core elements may be coated. The resulting building products (10) may be modular, lightweight, strong and suitable for use as plywood, flooring, walls, beams, joists, trusses and posts.

On produit des matériaux de construction à structure sandwich (10) en utilisant des couches extérieures classiques faites de contreplaqué à plis, de panneaux de fibres, de panneaux de particules, de panneaux de matières minérales, de bois, de métal, de plastique, etc., sur les deux faces (12, 14) du matériau de construction (10), le noyau intérieur (16) contenu entre ces couches extérieures étant constitué de plaquage de bois naturel ou de plaquage fait de fibres ou de copeaux de bois agglomérés par de la résine synthétique notamment, et transformés en bandes allongées (18) de configuration angulaire, cannelée ou ondulée ou roulés en forme de tubes cylindriques. Ces bandes (18) ou ces tubes peuvent être coupés transversalement en sections d'égale hauteur et assemblés côte à côte ou de façon contigüe afin de former une couche de noyau interne (16) ayant une structure à éléments ouverts. Ces éléments ouverts peuvent être remplis de matériaux d'isolation ou de renforcement et les éléments de noyau peuvent être enrobés. Les produits de construction qui en résultent (10) peuvent être modulaires, légers, résistants et appropriés comme contreplaqués, revêtements de sols, murs, poutres, solives, étais et piliers.

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