Safety packaging

Details Safety packaging Safety packaging

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 39/20 (2006.01) F42B 39/14 (2006.01)

Patent

CA 2290697

Packaging for volatile, heat-sensitive products, said packaging eliminating all dangerous effects of chance ignition during transport and storage by enabling control of the order in which the various packed components disintegrate when the packaging is exposed to external fire. A sample application for the packaging is the packing of airbag modules: the airbag can be rendered harmless by decomposing (under the influence of heat) before the gas generator ignites. The volatile, heat sensitive component (3) which is to be protected is placed in a thermally insulating material (5) while the insensitive component is left unprotected. Both the product (1) and the thermally insulating bed (5) are placed in a protective container (4). Gases are vented from the purpose-designed and dimensioned protective container (4) after they have escaped via the openings (7). This prevents randomly acting gases giving rise to unidirectional, reaction forces.

L'invention concerne un emballage destiné à des produits thermiquement instables et permettant de supprimer tous les effets dangereux d'allumages provoqués par accident pendant le transport et le stockage. L'emballage est conçu de telle façon que l'on puisse déterminer l'ordre de désintégration des différents composants emballés en cas d'incendie extérieur. Citons, par exemple, les modules airbags dont le sac est détruit par décomposition sous l'action de la chaleur avant que le générateur de gaz ne s'allume. Le composant sensible à la chaleur (3) devant être protégé est placé dans un matériau thermiquement isolant (5), tandis que le composant insensible (2) reste non protégé. Le produit (1) et la couche thermiquement isolante (5) sont placés dans un contenant protecteur (4) après s'être dissipés par les trous (7), ce qui empêche les gaz agissant au hasard engendrant des forces de réaction unidirectionnelles.

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