Water reservoirs, particularly swimming pools
US4335473A · kind A · utility
4Cited by
14References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1980 |
| Grant date | Jun 22, 1982 |
| Priority date | — |
| Expiry date | Jul 16, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/0025
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Water reservoir comprising a flexible bottom and side walls formed by at least one inflatable tubular element extending along a closed contour, said bottom and said tubular element resting on a support. The bottom is connected to the tubular element by a peripheral connection zone extending between a line of the bottom parallel to the tubular element and spaced therefrom and a generatrix of the tubular element situated between the lower horizontal tangency generatrix and the inner vertical tangency generatrix of the tubular element. A brace is provided between the bottom line and said generatrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.