Masque facial antimicrobien transparent

Transparent antimicrobial face mask

Transparente antimikrobielle gesichtsmaske

Abstract

L'invention concerne un masque à porter sur le nez et la bouche, et un panneau ayant une transparence suffisante pour permettre une observation visuelle de la bouche de celui qui le porte. Le panneau est formé de premier et second films plissés, transparents et recouvrants perforés avec des fentes allongées dimensionnées pour permettre le passage dans les deux sens de gaz, mais non de liquides, sous pression atmosphérique. Les premier et second films comprennent chacun une multitude de saillies pour maintenir entre les premier et second films une multitude de chemins de flux tortueux pour permettre l'écoulement de gaz respiratoires à travers le panneau.
A mask for being worn over the nose and mouth of a wearer, and a panel having sufficient transparency to permit visual observation of the mouth of the wearer. The panel is formed from first and second overlying transparent, pleated films perforated with elongate slits sized to permit two-way transit of gases, but not liquids, under atmospheric pressure. The first and second films each include a multitude of projections for maintaining between the first and second films a multitude of tortuous flow paths for permitting respiratory gas flow through the panel.

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NO-Patent Citations (1)

    Title
    See also references of WO 2008109438A2

Cited By (0)

    Publication numberPublication dateAssigneeTitle