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:
Dec. 17, 1991
Filed:
Aug. 20, 1990
Applicant:
Inventors:
Hidehiko Miyao, Katsuta, JP;
Masao Shiotsuki, Mito, JP;
Shigeyoshi Kawamura, Mito, JP;
Fumiaki Komatsu, Kobe, JP;
Assignees:
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Doryokuro Kakunenryo, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
252633 ; 252626 ; 252628 ; 252629 ; 2505061 ; 376261 ; 376272 ;
Abstract
A method of evacuating a container to a vacuum for use in treating radioactive wastes by placing the waste into the container, evacuating, sealing off and thereafter compressing the container, the method being characterized by placing the waste into the container, forming over the waste a filter layer of particulate material fulfilling one of the following requirements: and sealing off and compressing the container.