The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2004
Filed:
Jan. 22, 2002
Hiroshi Hayashi, Tokai-mura, JP;
Tsutomu Koizumi, Tokai-mura, JP;
Tadahiro Washiya, Tokai-mura, JP;
Kenji Koizumi, Tokai-mura, JP;
Japan Nuclear Cycle Development Institute, Ibaraki, JP;
Abstract
This invention is provided for improvement of corrosion-resistant property of a crucible and for promotion of safety in a pyrochemical reprocessing method for the spent nuclear fuel. The spent nuclear fuel is dissolved in a molten salt placed in the crucible. In a pyrochemical reprocessing method, the nuclear fuel is deposited, and the crucible ( ) is heated by induction heating. Cooling media ( ) are supplied to cool down, and a molten salt layer ( ) is maintained by keeping balance between the heating and the cooling, and a solidified salt layer ( ) is formed on inner wall surface of the crucible.