Safety submarine spherical air chamber
US4087980A · kind A · utility
15Cited by
6References
8Claims
0Family size
Inventor
Key dates
| Filing date | Aug 23, 1976 |
| Grant date | May 9, 1978 |
| Priority date | — |
| Expiry date | Aug 23, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/38
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
This invention relates to a safety submarine spherical air chamber made of a flexible material wherein persons are able to observe the undersea condition and the seabed from the scientific or recreational point of view by maintaining the atmospheric pressure of the above spherically expanded chamber approximately equivalent to the sea water pressure therearound, and then by floating therein a floating base on which they can stay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.