Structural panel with kraft paper core between metal skins

Details Structural panel with kraft paper core between metal skins Structural panel with kraft paper core between metal skins

E - Fixed Constructions

04

C

E04C 2/26 (2006.01) B32B 3/12 (2006.01) B32B 15/08 (2006.01) B32B 15/12 (2006.01)

Patent

CA 2248603

A structural panel (10, 12, 30, 50, 70) comprises a metal and paper composite in which the metal outer skins (22, 32, 40, 52, 60) have a minimum thickness of 0.005 in. (1.0 mm) exceeding foils and a preferred maximum thickness of 0.012 in. (0.3 mm) while the paper core (20, 36, 56) ranges between 0.01 in. (0.2 mm) and 0.05 in. (1.3 mm). The panel is a stiff, lightweight substitute for thicker metals and may replace light metal sheets such as aluminum with a composite in which the metal skins comprise sheets from heavier metals such as steel. The paper core (20, 36, 56) is adhesively bonded to the metal skins and may have openings (62) to create paths for adhesive bridges (64) between the metal skins (22, 32, 40, 52, 60) to minimize failure caused by buckling.

Un panneau structural (10, 12, 30, 50, 70) comprend un composite de métal et papier dans lequel les enveloppes métalliques (22, 32, 40, 52, 60) présentent une épaisseur minimum de 0,005 pouce (0,1 mm) supérieure à celle de feuilles et une épaisseur maximum préférée de 0,012 pouce (0,3 mm) alors que l'âme en papier (20, 36, 56) présente une épaisseur comprise entre 0,01 pouce (0,2 mm) et 0,05 pouce (1,3 mm). Le panneau est un substitut léger et rigide de métaux plus épais et peut remplacer les tôles légères telles que les tôles en aluminium à composite dans lequel les enveloppes métalliques comprennent des tôles en métaux plus lourds tel que l'acier. Le noyau en papier (20, 36, 56) est lié de manière adhésive aux enveloppes métalliques et peut présenter des ouvertures (62) de sorte que des chemins soient créés pour des ponts adhésifs (64) entre les enveloppes métalliques (22, 32, 40, 52, 60) pour minimiser les défauts dus au flambement.

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