Planar element and method for producing a planar element

Details Planar element and method for producing a planar element Planar element and method for producing a planar element

B - Operations, Transporting

61

D

B61D 17/04 (2006.01) B62D 27/02 (2006.01)

Patent

CA 2400716

The invention relates to a method for producing a flat element (2) for vehicle bodies according to the sandwich construction technique. Said flat element comprises an outer cladding (4) and a hump plate (6), with edge sections (8, 10) located between them. According to the inventive method, a first step consists of at least partially bonding the edge sections (8, 10) to the hump plate (6) using a mechanical joining process. A second step consists of bonding the hump plate (6) to the outer cladding (4) by adhesion and a third step consists of at least partially joining the edge sections (8, 10) to the outer cladding (4) using a mechanical joining process. These measures result in a flat element with a high degree of transversal resistance and resistance to buckling.

L'invention concerne un procédé de production d'un élément plat (2) destiné à des caisses en panneaux sandwich et comprenant un revêtement extérieur (4) et une tôle à bosses (6) entre lesquels sont intercalés des profilés de bord (8, 10). Ce procédé consiste, dans un premier temps, à attacher les profilés de bord (8, 10) à la tôle à bosses (6) au moins partiellement par un procédé d'assemblage mécanique ; dans un deuxième temps, à coller la plaque à bosses (6) au revêtement extérieur (4) et, dans un troisième temps, à assembler les profilés de bord (8, 10) au revêtement extérieur (4) au moins partiellement par un procédé d'assemblage mécanique. Ces mesures permettent d'obtenir un élément plat ayant une résistance au cisaillement et une résistance au voilement élevées.

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