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:
Jul. 16, 2013
Filed:
Aug. 16, 2010
Chang Kug Kim, Daejon, KR;
Deuk Yeon Kim, Daejon, KR;
Jung Hwan Hong, Daejon, KR;
Hang Rae Kim, Daejon, KR;
Cheol Ho Choi, Daejon, KR;
Chang Kug Kim, Daejon, KR;
Deuk Yeon Kim, Daejon, KR;
Jung Hwan Hong, Daejon, KR;
Hang Rae Kim, Daejon, KR;
Cheol Ho Choi, Daejon, KR;
Korea Nuclear Fuel Co., Ltd., Daejeon, KR;
Abstract
A machine and a method for grinding a spacer grid of a nuclear fuel assembly. The machine includes a spacer grid holding unit, a first rectangular coordinates robot for grinding an outer surface of the spacer grid, a second rectangular coordinates robot for grinding a corner of the spacer grid, and a control unit. The spacer grid holding unit includes a holding jig onto which the spacer grid is seated and held, and a rotary index table which is coupled to the holding jig to rotate the holding jig. The first and second rectangular coordinates robots are provided at predetermined positions adjacent to the spacer grid holding unit. The control unit controls the spacer grid holding unit, the first and second rectangular coordinates robots and all programs required to conduct the operation for grinding the spacer grid.