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Minguella Y Cia S L
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Minguella Y Cia S L
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Respiratory Apparatuses And Protective Means
(AREA)
Abstract
Mascarilla antipolvo perfeccionada, caracterizada porque su parte de adaptabilidad a la cara, o propia careta de goma que comporta lateralmente dos, válvulas de expulsión, lleva centralmente acoplada una parte portadora del cartucho filtrante y la válvula de aspiración central, con la particularidad importante de llevar dicho cartucho como relleno interior filtrante un papel de filtro doblado en múltiples pliegues, siguiendo un perfil quebrado, ocupando la amplitud de cada pliegue el ancho del cartucho, en la determinación así de una gran superficie filtrante en el interior del cartucho.