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1.发明授权Sealing plug for an internally threaded hole and tool and process for the fitting of this plug 失效密封用于内螺纹孔的工具和工具以及该套管的接头
公开(公告)号：US5217676A
公开(公告)日：1993-06-08
申请号：US497263
申请日：1990-03-22
IPC分类号： G21C13/02 , G21C13/028 , G21C13/06
摘要： The plug (8) comprises a body in two parts (9, 10) in the form of flanges assembled together so as to be locked against rotation about their common axis and movable in axial translational motion relative to one another. A gasket (11) made of flexible material is inserted between the peripheral parts of the two flanges, and the flanges are axially clamped. The space (12) between the flanges (9, 10) can be evacuated before such clamping.
摘要翻译： 插头（8）包括以组合在一起的凸缘形式的两部分（9,10）的主体，以便被锁定以防止围绕其公共轴线旋转并且可相对于彼此以轴向平移运动。 由柔性材料制成的垫圈（11）插入在两个凸缘的周边部分之间，并且凸缘被轴向夹紧。 在这种夹紧之前，凸缘（9,10）之间的空间（12）可被抽真空。
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