Low cohesion material joint

E - Fixed Constructions – 04 – B

Patent

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Details

E04B 1/38 (2006.01) E06B 3/984 (2006.01)

Patent

CA 2171792

A method of making a joint, and the joint thereby produced, in which a first element comprised of low cohesion material is joined to another element of a structure, at a position at which opposed surfaces of the first element and the other element are adjacent and generally abutting, by driving at least one nail through the first element and into the other element at a nailing point at said position. Prior to driving the nail, a nailing cavity is formed adjacent the abutting surfaces at the nailing point that extends outwardly therefrom in the direction of the surfaces and that extends a substantial distance normal to the nail direction. The nailing cavity minimizes fracture of the low cohesion material and receives fractured fragments of low cohesion material that does break from the first element by penetration of the nail therethrough, thereby to prevent wedging of fractured material between the abutting surfaces of the elements that surround the nailing point which can result in a loose and insecure joint. 11

Méthode pour assembler un joint et le joint lui-même dans lequel un premier élément, fait d'un matériau à faible cohésion, est joint à un autre élément d'une structure, dans une position où les surfaces opposées du premier élément et de l'autre élément sont adjacentes et généralement en about, en enfonçant au moins un clou à travers le premier élément jusque dans l'autre élément à un point de clouage et dans la position susmentionnée. Avant d'enfoncer le clou, on forme une cavité de clouage adjacente aux surfaces en about au point de clouage qui se prolonge vers l'extérieur dans la direction des surfaces et à une distance substantielle normale au sens du clou. La cavité de clouage réduit la cassure du matériau à faible cohésion et reçoit les morceaux cassés du matériau à faible cohésion, morceaux qui se détachent du premier élément lors de la pénétration du clou, empêchant ainsi les morceaux cassés de se loger entre les surfaces d'about autour du point de clouage et, par conséquent, de créer un joint non solide et ayant du jeu.

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