发明申请
US20120079864A1 PILGER DIE AND PILGER MANDREL FOR MANUFACTURING DASHPOT TUBE FOR NUCLEAR FUEL ASSEMBLY, METHOD OF MANUFACTURING THE PILGER DIE AND THE PILGER MANDREL, AND DASHPOT TUBE FOR NUCLEAR FUEL ASSEMBLY
有权
用于制造用于核燃料组件的喷射管的喷射器和喷射器，用于制造用于核燃料组件的PILGER DIE和PILGER MANDREL和DASHPOT管的方法
- 专利标题： PILGER DIE AND PILGER MANDREL FOR MANUFACTURING DASHPOT TUBE FOR NUCLEAR FUEL ASSEMBLY, METHOD OF MANUFACTURING THE PILGER DIE AND THE PILGER MANDREL, AND DASHPOT TUBE FOR NUCLEAR FUEL ASSEMBLY
- 专利标题（中）： 用于制造用于核燃料组件的喷射管的喷射器和喷射器，用于制造用于核燃料组件的PILGER DIE和PILGER MANDREL和DASHPOT管的方法
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申请号： US13117981申请日： 2011-05-27
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公开(公告)号： US20120079864A1公开(公告)日： 2012-04-05
- 发明人: SUN DOO KIM , Chan Huyn Park , In Kyu Kim , Ki Bum Park , Seung Hwan Lee
- 申请人： SUN DOO KIM , Chan Huyn Park , In Kyu Kim , Ki Bum Park , Seung Hwan Lee
- 优先权： KR10-2010-0095317 20100930
- 主分类号： B21B17/10
- IPC分类号： B21B17/10
摘要：
A pilger die and a pilger mandrel which are used to produce a dashpot tube which can be used in a nuclear fuel assembly having an outer diameter of 31.75 mm or less and an inner diameter 25.654 mm or less, by processing a reduced expression zirconium alloy tube in two pilgering processes (a first step pass and a second step pass) using a single pilgering apparatus. Furthermore, provided are methods of manufacturing the pilger die and the pilger mandrel, and the dashpot tube for the nuclear fuel assembly. The dashpot tube can be manufactured by the single pilgering apparatus provided with the pilger die and the pilger mandrel.
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