Disposable respirator

Methods, systems and apparatus for a pouch-style mask having upper and lower mask substrates, each having a first layer comprising spunbond material and a second layer comprising meltblown material, a perimeter comprising a user contacting portion and a non-user contacting portion, and a shoulder pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: McNamara, David J, Bagwell, Alison S
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Methods, systems and apparatus for a pouch-style mask having upper and lower mask substrates, each having a first layer comprising spunbond material and a second layer comprising meltblown material, a perimeter comprising a user contacting portion and a non-user contacting portion, and a shoulder proximate a left-side transition between the user contacting portion and the non-user contacting portion and a shoulder proximate a right-side transition between the user contacting portion and the non-user contacting portion. The mask also has a head strap assembly comprising first and second head straps each having first and second end portions, where the first end portions of the first and second head straps are attached to the left upper and lower shoulders in a side-by-side configuration and the second end portions of the first and second head straps are attached to the right upper and lower shoulders in a side-by-side configuration.