FIELD: process engineering.
SUBSTANCE: invention relates to face piece respirators. Proposed respirator comprises substrate and first thong fitted through first yarn. Respirator substrate comprises filtration element and support structure that includes edge element with sizes to allow connecting it with yarn to make integral structure. Note here that first yarn is coupled with said edge element via live hinge.
EFFECT: simplified production and ease of assembly.
17 cl, 4 dwg
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|---|---|---|---|
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RU2474445C2 |
