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1. 发明授权

US4126337A Separation-preventive type pipe joint 失效
标题翻译：防分离型管接头
公开(公告)号：US4126337A
公开(公告)日：1978-11-21
申请号：US821799
申请日：1977-08-04
申请人： Shozo Nagao , Yoshinobu O'Hashi , Yuichi Watanabe
发明人： Shozo Nagao , Yoshinobu O'Hashi , Yuichi Watanabe
IPC分类号： F16L21/03 , F16L27/12 , F16L21/08
CPC分类号： F16L27/12 , F16L21/03
摘要： A slip-on type pipe joint wherein a ringlike seal packing is mounted in an annular recess formed in the inner peripheral surface of the socket end of one pipe and the spigot of another pipe is inserted, whereby the pipes are connected together. The pipe joint is characterized in that the inner peripheral surface of the socket is formed with an engagement projection projecting toward the axis of the pipe and disposed adjacent the inner side of the packing, a split lock ring axially engageable with the engagement projection is fitted in an annular groove formed in the outer peripheral surface of the spigot, and the opposed free ends of the split lock ring are joined together by a coupling piece placed on the lateral surface of the split lock ring disposed adjacent the front end side of the spigot to prevent the split lock ring from slipping off the annular groove.
摘要翻译：一种滑动式管接头，其中环形密封垫圈安装在形成在一个管的插座端的内周面中的环形凹部中，并且另一个管的插口被插入，由此将管连接在一起。管接头的特征在于，插座的内周面形成有朝向管的轴线突出并且邻近衬垫的内侧设置的接合突起，与接合突起可轴向接合的分离锁环安装在形成在所述插口的外周面的环状槽和所述分离锁定环的所述相对的自由端通过设置在所述插口的前端侧配置的所述分割锁定环的侧面上的联接片连接在一起，防止分离锁环从环形槽滑落。

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