Collapse resistant respirator
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United States of America Patent
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May 14, 2013
Grant Date -
May 24, 2012
app pub date -
Jan 31, 2012
filing date -
Jun 30, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A respirator including a collapse-resistant means for resisting collapse of the respirator main body due to respiration of a user during use of such a respirator is disclosed. Specifically, in various embodiments, the collapse-resisting means may be a deflection member, a stiffening material, fastening components configured to apply an outward-facing deflection force when the respirator is worn, or any combination thereof. Additionally, a dual exhalation vent assembly adapted for use in a collapse resisting respirator is also disclosed.
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