Store
US5000617A · kind A · utility
Inventors
Key dates
| Filing date | Dec 18, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Dec 18, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a store (1) for the storage of environmentally harmful substances (2), such as stable toxic compounds and long-lived nuclear materials, etc., which store comprises a number of cavities (6) in rock intended for holding the substances (2) in question, with a roof (8) above said cavities, and with the cavities (6)in question being surrounded by a hydraulic barrier (7). Amongst other things, the invention permits a passive dry store to be achieved. Holding cavities for storage are formed by drilled vertical holes (6) which extend down to a level (10) situated above a subjacent drainage and ventilation zone (11). The hydraulic barrier (7), which is displaced laterally in relation to the storage boreholes (6), and the ventilation holes (12) situtated to the side are connected to a subjacent drainage and ventilation zone (9).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.