Collapse resistant respirator
US8113201B2 · kind B2 · utility
5Cited by
28References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2008 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Oct 28, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D13/1138
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.