Full face respirator
US11554275B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2018 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Jan 4, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/082
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A full face respirator comprising a mask (10) having a transparent viewing portion (12) and a port portion (16), and exhalation port (22) disposed in said port portion (16), a face seal configured (14) to seal the mask (10) over a wearer's eyes, nose and mouth, in use, and an orinasal assembly (2) including a flexible, cup-shaped orinasal (2) having an orifice (2a) and being configured to fit over a wearer's nose and mouth, in use; wherein the orinasal assembly (2) further includes generally tubular connecting portion (24), integrally formed with and extending outwardly from the periphery of the orifice (2a), the connection portion (24) being shaped and configured to extend through the exhalation port (22) from the inner region to the outer region of the mask (10) and including an exhalation valve mount (28) for receiving a one-way exhalation valve (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.