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. 30, 2016
Filed:
Aug. 14, 2012
Nam-gyu Park, Daejeon, KR;
Kyu-tae Kim, Daejeon, KR;
Jung-min Suh, Daejeon, KR;
Shin-ho Lee, Daejeon, KR;
Kyong-bo Eom, Daejeon, KR;
Joon-kyoo Park, Daejeon, KR;
Jin-sun Kim, Daejeon, KR;
Gyu-cheol Shin, Daejeon, KR;
Seong-ki Lee, Daejeon, KR;
Il-kyu Kim, Daejeon, KR;
Ki-sung Choi, Daejeon, KR;
Kyeong-lak Jeon, Daejeon, KR;
Nam-Gyu Park, Daejeon, KR;
Kyu-Tae Kim, Daejeon, KR;
Jung-Min Suh, Daejeon, KR;
Shin-Ho Lee, Daejeon, KR;
Kyong-Bo Eom, Daejeon, KR;
Joon-Kyoo Park, Daejeon, KR;
Jin-Sun Kim, Daejeon, KR;
Gyu-Cheol Shin, Daejeon, KR;
Seong-Ki Lee, Daejeon, KR;
Il-Kyu Kim, Daejeon, KR;
Ki-Sung Choi, Daejeon, KR;
Kyeong-Lak Jeon, Daejeon, KR;
KEPCO NUCLEAR FUEL CO., LTD., Daejeon, KR;
Abstract
Disclosed herein is a joint structure between a top nozzle and a guide thimble. The joint structure includes an outer guide post, an inner-extension tube head, an inner-extension tube body, a wedge and the guide thimble. The outer guide post is provided with an external thread formed on a lower end thereof. The inner-extension tube head includes an annular retaining part formed on an upper end thereof. An internal thread is formed on a medial portion of the inner-extension tube head. An external thread is formed on each of upper and lower ends of the inner-extension tube body. A stop protrusion is provided under a lower end of the wedge. The wedge is welded to the inner-extension tube body after the top nozzle has been joined with the guide thimble. A stop protrusion receiving depression is formed in the guide thimble.