RESIN PIPE JOINT
    3.
    发明申请
    RESIN PIPE JOINT 有权
    树脂管接头

    公开(公告)号:US20110260450A1

    公开(公告)日:2011-10-27

    申请号:US13131943

    申请日:2009-11-06

    IPC分类号: F16L19/00 F16L35/00 F16L33/00

    摘要: In a resin pipe joint having a configuration where, by a screw advancement of a union nut caused by screwing an internal thread to an external thread in a state where a tube is externally fitted to an inner cylinder to form a flared portion, a flaring changing region is pressed by a seal pressing portion, a torque varying portion in which projecting portions of a joint body and recess portions of the union nut are fitted to or unfitted from each other by a flexural displacements of the projecting portions in the direction of the axis in accordance with fastening rotation of the union nut from the vicinity of a portion in front of an end of the screw advancement, the screw advancement being caused by pressing of the seal pressing portion against the flaring changing region is configured.

    摘要翻译: 在具有这样一种构造的树脂管接头中,其中,在管外部装配到内筒以形成扩口部的状态下,通过将内螺纹拧入外螺纹而产生的联管螺母的螺纹前进, 区域被密封按压部分按压,扭矩改变部分,其中接合体的突出部分和联管螺母的凹陷部分通过突出部分在轴线方向上的弯曲位移彼此配合或彼此不相配合 根据螺母进给端部的前方的一部分附近的联接螺母的紧固旋转,构成了通过将密封按压部压靠在扩口切换区域而产生的螺旋进给。