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1. 发明授权

US5094809A Device for the obturation and retention of a sealed closure plug of a steam generator tube 失效
标题翻译：蒸汽发生器管密封插头的设计和保持装置
公开(公告)号：US5094809A
公开(公告)日：1992-03-10
申请号：US541722
申请日：1990-06-21
申请人： Richard Lenoble , Jean Paul Billoue
发明人： Richard Lenoble , Jean Paul Billoue
IPC分类号： G21C17/003 , F28F11/02 , G21D1/00
CPC分类号： F28F11/02
摘要： The device comprises a threaded rod (11a) capable of being screwed into the threaded bore (10') traversing the core (10) and solid, at one of its ends, with a blocking element (11b) the external diameter of which is greater that the diameter of the rod (11a) and which comes into engagement in that end (7) of the casing (4) of the plug (3) opposite the closure base (5) of the plug when the threaded rod (11a) is screwed into the core (10). The blocking element (11b) cooperates with the end of the casing (4) of the plug to achieve the blocking, against rotation and/or translation, of the obturating device (11). The threaded rod (11a) may comprise a transverse orifice in which a braking part is engaged.
摘要翻译：该装置包括螺纹杆（11a），该螺纹杆能够穿过芯部（10）拧入螺纹孔（10'），并且在其一端处具有固体，其外径较大的阻挡元件（11b）所述杆（11a）的直径并且当所述螺杆（11a）为螺栓（11a）为相对于所述塞子的所述封闭件基座（5）相对时所述塞子（3）的壳体（4）的所述端部（7）拧入到芯（10）中。阻塞元件（11b）与塞子的壳体（4）的端部配合以实现封闭装置（11）的阻挡，防止旋转和/或平移。螺杆（11a）可包括横向孔口，制动部件接合在该横向孔口中。

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