respirador metodo para fabricação de um meio filtrante e metodo de preparo de um respirador

respirador metodo para fabricação de um meio filtrante e metodo de preparo de um respirador

Reinforced filter media are prepared by adhering discrete, non-intersecting strands of thermoplastic or thermoset materials to the filter media web. The filter media may be a fabric, a nonwoven web or a filtering foam. The reinforced filter media can be used to prepare respirators, including flat-fo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOHN M. BRANDNER, SEYED A. ANGADJIVAND, MARVIN E. JONES, PHILIP G. MARTIN
Format: Patent
Sprache:por
Schlagworte:
ACCESSORIES
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
OUTERWEAR
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROTECTIVE GARMENTS
SEPARATION
TRANSPORTING
WEARING APPAREL
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Beschreibung
Zusammenfassung:Reinforced filter media are prepared by adhering discrete, non-intersecting strands of thermoplastic or thermoset materials to the filter media web. The filter media may be a fabric, a nonwoven web or a filtering foam. The reinforced filter media can be used to prepare respirators, including flat-fold respirators or molded respirators.