Filtering face-piece respirator having nose notch

A filtering face-piece respirator 10 that includes a harness 14 and a mask body 12 that has a multi-layer filtering structure 16. The mask body 12 includes an upper interior perimeter segment 24a formed from the filtering structure 16 and configured to fit against the face of the respirator wearer....

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Bibliographic Details
Main Author Duffy, Dean R
Format Patent
LanguageEnglish
Published 27.11.2018
Subjects
ACCESSORIES
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HUMAN NECESSITIES
LIFE-SAVING
OUTERWEAR
PROTECTIVE GARMENTS
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
WEARING APPAREL
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Summary:A filtering face-piece respirator 10 that includes a harness 14 and a mask body 12 that has a multi-layer filtering structure 16. The mask body 12 includes an upper interior perimeter segment 24a formed from the filtering structure 16 and configured to fit against the face of the respirator wearer. Present in the upper interior perimeter segment 24a is a nose notch 52, 62, which is an area void of filtering structure 16.
Bibliography:Application Number: US201615181928