Hot pressing of bellows like canisters
US4808337A · kind A · utility
11Cited by
8References
9Claims
0Family size
Inventors
Key dates
| Filing date | Jul 14, 1986 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jul 14, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21F9/34
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressible bellows type metal canister is used in a hot pressing process for immobilizing high level radioactive nuclear waste material in the form of synthetic rock, the canister comprises a base wall and a corrugated bellows side wall of generally circular cross-section, concentrically arranged within the corrugated side wall is a cylindrical liner. In the center of the base wall a conically-tapered aperture is provided with a filter plug. Diametrically opposed apertures are provided in the base wall and are connected by an outlet pipe for removal of waste gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.