发明名称 MEMBER FOR REPAIRING CONDUIT
摘要 PURPOSE: A conduit repairing member is provided to enhance the precision in contact of a conduit repairing member with the inner sidewall of a conduit since the radius of the conduit repairing member is expanded within a precise range. CONSTITUTION: A conduit repairing member comprises at least two arc units. The arc unit comprises panel-shaped main frames(10) and a radius expanding band(20). The main frame is bent in an arc shape. In a state where the arc units are assembled, the mainframes are formed in a shape of a cylindrical pipe. The radius expanding band is coupled to one end of the mainframe and is extended from the mainframe. A length control unit is formed on the other end of the mainframe and on the radius expanding band and engages with each other.
申请公布号 KR20120038581(A) 申请公布日期 2012.04.24
申请号 KR20100100099 申请日期 2010.10.14
申请人 KIM, SUNG JIN;SUNGWON E&C CO., LTD. 发明人 KIM, SUNG JIN
分类号 F16L55/163;E03F3/04;F16L55/162;F16L55/18 主分类号 F16L55/163
代理机构 代理人
主权项
地址