FIELD: rescue means.
SUBSTANCE: invention is intended for prevention of penetration of polluting substances and particles into user's respiratory tracts; and for protection of other people or items from impact of pathogens or other types of pollutions breathed out by user. Filtering face respiratory mask contains: fastening belts and mask base. Mask base contains filtering element, which includes filtering layer and bearing structure. Bearing structure includes first and second live hinges, placed on the first and second situated opposite to each other parts of bearing structure, the first and second live hinges contain each first and second elements, made with possibility of moving aside from each other in places of their hinge connection.
EFFECT: application of live joints makes it possible for mask base to dynamically adapt to user's jaw movements.
18 cl, 10 dwg, 6 tbl
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FLAT FOLD FILTER FACE RESPIRATORY MASK WHEREIN WELDED JOINT STRUCTURE IS CONSTRUCTIONAL ELEMENT | 2010 |
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RU2697606C1 |
Authors
Dates
2011-04-10—Published
2008-08-27—Filed