Elastic tubular device and inflatable head harness for aircraft breathing mask
US9027557B2 · kind B2 · utility
6Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2008 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Feb 8, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/084
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Described are elastic tubular devices including an inner tube (23) made of an elastic and gas impermeable material; and a sheath (21) surrounding the inner tube and made of a woven cloth of flame resistant meta-aramid yarns, wherein the tubular device has a longitudinal extension of at least approximately 1.4 when inflated by a gas having a pressure of at least approximately 0.5 bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.