Patent · US Expired

Dry containment of radioactive materials

US4197467A · kind A · utility

37Cited by
9References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1977
Grant dateApr 8, 1980
Priority date
Expiry dateDec 16, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E30/30
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A cask for the dry containment of radioactive fuel elements. The cask has a cover which contains valved drain and purge passageways. These passageways are sealed by after purge cover seals which are clamped over them and to the outer surface of the cover. The cover seals are tested by providing them with a pair of concentric ring seal elements squeezed between the cover seal and the outer surface of the cover and by forcing a gas under pressure into the annular region between the seal element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.