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:
Jun. 09, 1998
Filed:
Sep. 03, 1996
Applicant:
Inventors:
Hirofumi Ohmuta, Naka-gun, JP;
Shigetoshi Nakabayashi, Naka-gun, JP;
Assignee:
Mitsubishi Nuclear Fuel Co., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
264-05 ;
Abstract
A nuclear fuel green compact is produced by sintering in an atmosphere of reducing gas. A mixed gas of hydrogen and nitrogen to which water vapor is added is used as the reducing gas. By establishing the amount of water vapor added to the mixed gas of hydrogen and nitrogen so that dew point as an indicator is -15.degree. C. or more, the nitrogen content of the produced pellets can be controlled to be equal to or less than 0.0075 wt %.