Perforated protective plastic films or sheets

A - Human Necessities – 62 – D

Patent

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Details

A62D 5/00 (2006.01) A62B 17/00 (2006.01)

Patent

CA 2367502

The invention relates to a protective plastic film or sheet for use in protecting against smoke, heat, corrosive liquids and other hazardous elements. The sheet comprises a fire resistant substrate layer having a primary surface, a layer of titanium covering a major portion of the primary surface of the substrate layer, and a plurality of perforations extending through the polyimide and titanium layers. The perforations allow passage of moisture vapor while the film or sheet provides protection against exposure to smoke, heat, corrosive liquid and other hazardous elements. Also disclosed is equipment for use by emergency personnel made from such plastic films or sheets.

L'invention concerne un film ou une feuille de plastique de protection perforé destiné à être utilisé en tant que protection contre la fumée, la chaleur, les liquides corrosifs et autres produits dangereux. La feuille comprend une couche substrat ignifuge, comprenant une surface primaire, une couche de titanium recouvrant la majeure partie de la surface primaire de la couche substrat, et une pluralité de perforations traversant les couches de polyimide et de titanium. Les perforations permettent le passage de la vapeur d'eau alors que le film ou la feuille protège de la fumée, de la chaleur, des liquides corrosifs et des autres produits dangereux. Cette invention concerne également l'équipement destiné à être utilisé par le personnel des urgences, fabriqué à partir de tels films ou feuilles de plastique.

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