发明授权
- 专利标题： Replacement support pin for guide tubes in operating plants
- 专利标题（中）： 操作工厂的导管替换支撑销
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申请号： US576645申请日： 1984-02-03
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公开(公告)号： US4770846A公开(公告)日： 1988-09-13
- 发明人: John T. Land , Ronald J. Hopkins , Jose M. Martinez
- 申请人： John T. Land , Ronald J. Hopkins , Jose M. Martinez
- 申请人地址： PA Pittsburgh
- 专利权人： Westinghouse Electric Corp.
- 当前专利权人： Westinghouse Electric Corp.
- 当前专利权人地址： PA Pittsburgh
- 主分类号： G21C7/12
- IPC分类号： G21C7/12 ; G21C3/33 ; G21C3/334 ; G21C7/14 ; G21C19/00
摘要：
A support pin system (10) for fastening nuclear reactor guide tube flanges (14) to a nuclear reactor upper core plate (12) includes a support pin (16) having a lower portion (20) frictionally disposed within the upper core plate (12), while an upper section (24) is disposed within a through-bore (22) of the guide tube flange (14). The support pin (16) includes a threaded region (30) upon which is threadedly mounted a nut (32). In order to prevent retrograde rotation of the nut (32) relative to the support pin (16), a locking cap (46) is mounted upon the nut (32) and support pin (16) such that first crimped sections (48) are engaged within apertures (44) defined within the nut (32), while second crimped sections (54) are engaged within longitudinal grooves (50) defined upon the external surface of the support pin (16).
公开/授权文献
- US3991993A Decollator for continuous forms 公开/授权日：1976-11-16