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US 10,602,785 B2Granted
Filtering face-piece respirator having nose cushioning member
Assignee3M Innovative Properties Company
InventorDean R. Duffy
Life of this patent
Estimating the term…
Abstract
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 respirator includes a cushioning member 64 positioned proximate the nose area of the mask body 12, enveloped by a layer of the filtering structure 16. The cushioning member 64 is a compressible material and may be elastic. The cushioning member 64 can be positioned directly opposite of a nose clip 56.
Claims12
A filtering face-piece respirator that comprises:
- a harness;
- and
- a mask body comprising a multi-layer filtering structure forming at least one pocket;
- a nose clip;
- and
- a cushioning member having a thickness of at least 1 mm present within the pocket wherein the filtering structure comprises an outer cover web, a filtration layer and an inner cover web and wherein the outer cover web, the filtration layer, and inner cover web are positioned between the nose clip and the cushioning member.
3 more elements
Dependencies are inferred from the claim text.