Breathing valve
US5704348A · kind A · utility
7Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk. A first spring end is provided in contact with a support surface and a second spring end is provided. The valve disk is accommodated in a guide displaceable along an axial valve axis, and the valve spring is fastened such that the line of action of the spring is directed at an angle in relation to the valve axis. The valve is extensively prevented from vibrating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.