Sandwich element

E - Fixed Constructions – 04 – D

Patent

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Details

E04D 3/35 (2006.01) B32B 3/18 (2006.01) E04B 1/80 (2006.01) E04C 2/292 (2006.01) E04F 13/08 (2006.01) E04F 15/02 (2006.01)

Patent

CA 2637453

The invention concerns a longitudinal sandwich element comprising a core of binder fixed mineral wool lamellae assembled in a side by side relationship extending in the longitudinal direction of the sandwich element, the core having two major surfaces substantially parallel to each other, and two end surfaces substantially perpendicular to the major surfaces and parallel to each other and two side surfaces interconnecting the major surfaces and the end surfaces, where the mineral wool fibres are mainly perpendicular to the major surfaces, and at least one sheet is attached to at least one of the major sides of the core, and at least one of the two side surfaces is provided by one or more side lamellae, and where at least one of the side surfaces has been formed as a cut section into the. one or more side lamella(s) said cut section being capable to fit into a mating cut section of one or more other side lamella(s) of an adjacent sandwich element, and where each side lamella has a varying density and the cut section is comprised in the region with the higher density.

La présente invention concerne un élément sandwich longitudinal qui comprend un noyau de strates de laine minérale fixée par liant disposées côte à côte et s~étendant selon la direction longitudinale de l~élément sandwich, le noyau étant pourvu de deux surfaces principales sensiblement parallèles l~une à l~autre, de deux surfaces terminales sensiblement perpendiculaires aux surface principales et parallèles entre elles, ainsi que de deux surfaces latérales reliant entre elles les surfaces principales et les surfaces terminales, dans lesquelles les fibres de laine minérale sont principalement perpendiculaires aux surfaces principales, au moins une feuille est fixée sur au moins un côté principal du noyau et au moins l~une des deux surfaces latérales est pourvue d~une ou plusieurs strates latérales, et dans lesquelles au moins l~une des surfaces latérales est formée telle une section de coupe dans la ou les strates latérales, ladite coupe de section étant capable de se fixer dans une section de coupe d~accouplement d~une ou de plusieurs autres strates latérales d~un élément sandwich adjacent, et dans lesquelles chaque strate possède une densité variable et la section de coupe se trouve dans la région possédant la densité la plus élevée.

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