C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/00 (2006.01)
Patent
CA 2574524
A protective device for a glazed structure, in particular an aircraft windscreen (20), comprises at least one removable sacrificial sheet of transparent composite (10). The composite (10) comprises a transparent polymeric film (11) having on one side an electrically conductive layer (12) formed from a dispersion of electrically conductive particles and which is coated with a transparent hard coat (13), with the other side having adhesive layer (14) thereon. Sheets of the composite (10) may be arranged in a stack so that each sheet adheres to the adjacent underneath sheet with the uppermost sheet of each stack being removable as the sheet becomes damaged and/or dirty.
Cette invention concerne un dispositif de protection destiné à une structure vitrée, en particulier à un pare-brise (20) d'aéronef, et comprenant au moins une feuille sacrificielle amovible composée de composite transparent (10). Le composite (10) comprend un film polymère transparent (11) recouvert sur un côté d'une couche conductrice d'électricité (12) formée à partir d'une dispersion de particules conductrices d'électricité et recouverte d'une couche dure transparente (13), l'autre coté étant recouvert d'une couche adhésive (14). Des feuilles du composite (10) peuvent être empilées de façon que chaque feuille adhère à la feuille située directement en dessous, la feuille supérieure de chaque pile pouvant être enlevée si la feuille est endommagée et/ou salie.
Enniss James P.
Winckler Lisa Yvonne
Yeatts Janet
Adams Patent & Trademark Agency
Cpfilms Inc.
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