Airlift bulkhead
US4969219A · kind A · utility
1Cited by
9References
22Claims
0Family size
Inventor
Key dates
| Filing date | Feb 16, 1990 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Feb 16, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/145
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swimming pool bulkhead is provided with sets of transversely spaced buoyancy chambers for providing stability against rotation about the lengthwise axis of the bulkhead when the chambers are inflated. The bulkhead is made of two separate short sections which are transported separately and bolted together at the pool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.