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. 19, 2023
Filed:
Feb. 11, 2020
Applicant:
Korea Hydro & Nuclear Power Co., Ltd., Gyeongju-si, KR;
Inventors:
Seok-Ju Hwang, Daejeon, KR;
Young Hwan Hwang, Daejeon, KR;
Ju-Young Yoon, Daejeon, KR;
Cheon-Woo Kim, Daejeon, KR;
Assignee:
KOREA HYDRO & NUCLEAR POWER CO., LTD., Gyeongju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21D 1/00 (2006.01); G21F 9/00 (2006.01);
U.S. Cl.
CPC ...
G21D 1/003 (2013.01); G21F 9/001 (2013.01);
Abstract
A radioactive structure dismantling method of a heavy water reactor facility that includes a calandria including a main shell and a sub shell, a calandria vault that receives the calandria therein, and a cover assembly that covers the calandria according to an embodiment, includes: preparing dismantling of the calandria; dismantling a reactor pipe installed in the calandria; dismantling the cover assembly that covers the calandria; dismantling the calandria; and dismantling the calandria vault.