Filtering face-piece respirator having folded flange

A filtering facepiece respirator 10 that includes a harness 14 and a mask body 12 that has a filtering structure 16 that contains one or more layers of filter media 62 and that has a perimeter 24. The mask body also has first and second flanges 30a, 30b located on opposing sides of the filtering str...

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Bibliographic Details
Main Author Duffy, Dean R
Format Patent
LanguageEnglish
Published 14.09.2021
Subjects
ACCESSORIES
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
OUTERWEAR
PROTECTIVE GARMENTS
WEARING APPAREL
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Summary:A filtering facepiece respirator 10 that includes a harness 14 and a mask body 12 that has a filtering structure 16 that contains one or more layers of filter media 62 and that has a perimeter 24. The mask body also has first and second flanges 30a, 30b located on opposing sides of the filtering structure 16. The first and second flanges 30a, 30b each have a leading edge 33 and are each folded inwardly in contact with the filtering structure 16. The in-contact configuration exists when the mask body 12 is open in an in-use configuration. The leading edge 33 of each flange 30a, 30b is configured to match the mask body perimeter 24 when the flanges 30a, 30b are folded inwardly in contact with the filtering structure 16.
Bibliography:Application Number: US201213727923