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    • 8. 发明授权
    • Spigot and socket connections
    • 插头和插座连接
    • US4626000A
    • 1986-12-02
    • US530230
    • 1983-09-08
    • Michael O'Leary
    • Michael O'Leary
    • B21D39/04F16L13/14F16L35/00
    • F16L13/142B21D39/04
    • A sleeve for joining two pipes in end-to-end relationship has a deformable region at each end, each deformable region tapering axially towards the end of the sleeve and being separated from the major constant diameter portion of the sleeve by an external annular shoulder. The annular rear face of each shoulder forms a locating face for annular abutment faces of a deforming tool. The tool has pressure faces for applying a deforming force to each deformable region of the sleeve in turn so as to engage the pipe received within it. The pressure faces are prevented from axial displacement relative to the sleeve during a deforming operation by the mutual abutment of the annular locating faces of the sleeve and tool and the axial taper of the deformable region allows deformation of the sleeve to engage the pipe to take place within lateral buckling of the sleeve.
    • 用于以端对端关系连接两个管的套筒在每个端部具有可变形区域,每个可变形区域朝向套筒的端部轴向渐缩,并且通过外部环形肩部与套筒的主要恒定直径部分分离。 每个肩部的环形后表面形成用于变形工具的环形邻接面的定位面。 该工具具有压力面,用于依次向套筒的每个可变形区域施加变形力,以便与其中接收的管接合。 在通过套筒和工具的环形定位面的相互邻接的变形操作期间,防止压力面相对于套筒的轴向位移,并且可变形区域的轴向锥度允许套筒变形以使管道发生变形 在套筒的侧向屈曲之内。