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:
Mar. 23, 1999
Filed:
Jul. 24, 1997
Applicant:
Inventors:
Hiroshi Akamatsu, Takasago, JP;
Hiroaki Taniuchi, Takasago, JP;
Assignee:
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C / ; G21F / ;
U.S. Cl.
CPC ...
376272 ; 2505061 ; 252478 ;
Abstract
A cask for a radioactive material has a single gamma ray and neutron shielding layer disposed on the outside of a vessel body, and the shielding layer is formed of the compact of a mixture of lead and a metal hydride dispersed therein. This cask can exhibit an excellent shielding effect according to the balance of radiation source intensity between gamma rays and neutrons, and can be made more compact.