Corrugated multilayer metal foil insulation panels and...

Details Corrugated multilayer metal foil insulation panels and... Corrugated multilayer metal foil insulation panels and...

B - Operations, Transporting

32

B

B32B 3/28 (2006.01) B32B 3/30 (2006.01) B32B 15/01 (2006.01) F16L 59/02 (2006.01)

Patent

CA 2347948

Multilayer metal foil pads or panels (10) for heat or sound insulation or shielding comprising two or more corrugated metal foil or metal sheet layers (C) wherein a flat metal foil or metal sheet layer (S) is positioned between each pair of corrugated layers (C). The corrugated layers (C) and/or the flat layers (S) may be embossed, patterned or textured to enhance performance of the pad or panel. A preferred pad or panel (10) comprises an embossed, patterned or textured flat exterior layer (E) adapted for contacting the surface (12) to be insulated or shielded to provide air space between the pad or panel (10) and the surface (12) and to separate the first corrugated layer (C) from the surface (12). Methods are provided for making the pads and panels (10), which are useful in automotive applications, food cooking devices and other uses.

L'invention porte sur des blocs ou panneaux (10) multicouches d'isolation thermique ou sonore, ou de blindage faits de deux ou plus de deux couches (C) de tôles ou feuilles de métal ondulées, avec interposition d'une tôle (S) plane entre chaque paire de tôles ondulées. Les couches ondulées ou planes peuvent être bosselées, estampées ou texturées pour améliorer les performances du bloc ou du panneau. Le bloc ou panneau (10) préféré comporte une couche (E) extérieure plane bosselée, estampée ou texturée en contact avec la surface (12) à isoler ou protéger de manière à laisser de l'air entre le bloc ou panneau (10) et ladite surface (12) et les en séparer. L'invention porte également sur les procédés de production desdits blocs ou panneaux (10) utilisables dans la fabrication d'automobiles, de cuisinières et autres.

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