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:
Aug. 18, 1987
Filed:
May. 14, 1985
Applicant:
Inventors:
Osamu Suzuki, Saitama, JP;
Kanjiro Ishizaki, Saitama, JP;
Seiichi Ozawa, deceased, late of Tokyo, JP;
Assignees:
Chichibu Cement Co., Ltd., both of, JP;
Ozawa Concrete Industry Co., Ltd., both of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ;
U.S. Cl.
CPC ...
264 401 ; 264102 ; 264129 ; 264269 ;
Abstract
A high integrity container having a three-layered structure that is suitable as a container for use in storage and disposal of radioactive wastes or industrial wastes can be fabricated by casting a concrete lining as an inner layer on the inner surface of a metallic vessel as an outer layer, reinforcing the concrete lining with a reinforcing material and strengthening the concrete lining with an impregnant, and polymerizing and curing the impregnant layer that is formed as an intermediate layer between said metal drum and the concrete lining.