Locking system and flooring board

Details Locking system and flooring board Locking system and flooring board

E - Fixed Constructions

04

F

E04F 15/04 (2006.01) E04C 2/40 (2006.01) E04F 15/10 (2006.01)

Patent

CA 2333941

The invention relates to a locking system for mechanical joining of floorboards (1) along a vertical joint plane (F), and a floorboard comprising such a locking system. For joining perpendicular to the joint plane (F) there is a locking groove formed in the underside (3) of a first joint edge at a distance from the joint plane (F), and a portion (P) projecting from the lower part of the second joint edge (4a) and below the first joint edge and, at a distance from the joint plane (F), supporting a locking element (8) cooperating with the locking groove (14), said projecting portion (2) thus being located entirely outside the joint plane (F). The projecting portion (P) presents at least two horizontally juxtaposed parts (P1, P2), which differ from each other in respect of at least one of the parameters material composition and material properties.

L'invention concerne un système de verrouillage destiné à l'assemblage mécanique de lattes (1) le long d'un plan d'assemblage vertical (F), et une latte comprenant un tel système de verrouillage. Pour assurer l'assemblage perpendiculaire au plan d'assemblage (F), une rainure de verrouillage est formée dans la face inférieure (3) du premier bord d'assemblage à une certaine distance du plan d'assemblage (F), et une section (P) faisant saillie de la partie inférieure du deuxième bord d'assemblage (4a) et sous le premier bord d'assemblage, à une certaine distance du plan d'assemblage (F), supporte l'élément de verrouillage (8) coopérant avec la rainure de verrouillage (14). Cette section en saillie (P) est ainsi entièrement située à l'extérieur du plan d'assemblage (F). La partie en saillie (P) présente au moins deux parties juxtaposées horizontalement (P1, P2) qui diffèrent l'une de l'autre en ce qui concerne au moins un de ces paramètres : composition du matériau et propriétés du matériau.

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