发明名称 METHOD FOR PREPARING A PIPE FOR TAPPING
摘要 The pipe (1) comprises at least one bracing ply (3) arranged between an internal tube (2) and an external protective tube (2), the method being characterised in that it consists in exposing at least one zone of said bracing ply, injecting into said exposed zone of the bracing ply (3) a heat hardening compound, so as to obtain after hardening said one external part of the pipe hardened by said compound capable of being used for standard tapping systems. The invention is useful for pipes in which flows a fluid such as water or gas.
申请公布号 WO9816775(A1) 申请公布日期 1998.04.23
申请号 WO1997FR01826 申请日期 1997.10.13
申请人 COFLEXIP;DO, ANH, TUAN 发明人 DO, ANH, TUAN
分类号 F16L47/34;(IPC1-7):F16L41/08 主分类号 F16L47/34
代理机构 代理人
主权项
地址