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:
May. 09, 2017
Filed:
Jan. 07, 2014
Kepco Nuclear Fuel Co., Ltd., Daejeon, KR;
Ju Young Lee, Chungcheongnam-do, KR;
Chang Hwan Hwang, Daejeon, KR;
Hung Soon Chang, Daejeon, KR;
Soon Ki Guk, Daejeon, KR;
Tae Hyung Na, Daejeon, KR;
Yeong Seon Oh, Daejeon, KR;
KEPCO NUCLEAR FUEL CO., LTD., Daejeon, KR;
Abstract
Disclosed is a plasma welding apparatus for a guide thimble and guide thimble end plug of a nuclear fuel assembly, which includes: a welding chamber () includes an end-plug inserting part () into which the end plug () is inserted, a guide-thimble inserting part () which is provided on the same axis as the end-plug inserting part () and into which the guide thimble () is inserted and fixed, a torch assembling part () to which a plasma welding torch () is assembled so as to make a right angle with the end-plug inserting part () and the guide-thimble inserting part (), and argon inflow and outflow ports () through which argon is supplied or discharged; an end-plug transfer unit () supplying the end plug () to the end-plug inserting part (); and an guide-thimble transfer unit () transferring the guide thimble () to the guide-thimble inserting part ().