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2. 发明申请

US20150184788A1 PIPELINE AND METHODS 有权
标题翻译：管道和方法
公开(公告)号：US20150184788A1
公开(公告)日：2015-07-02
申请号：US14408486
申请日：2013-05-09
申请人： TECHNIP NORGE AS
发明人： Sven Morten Hesjevik , Erik Levold , Per Egil Kvaale
IPC分类号： F16L58/00 , F17D5/06 , B63B35/03 , F16L1/12 , F16L1/235 , B23P11/02 , C23F13/20
CPC分类号： F16L58/00 , B23P11/025 , B63B35/03 , C23F13/10 , C23F13/20 , C23F2201/00 , C23F2213/20 , C23F2213/31 , C23F2213/32 , F16L1/123 , F16L1/235 , F17D5/06 , Y10T29/49117
摘要： A pipeline comprising one or more pipes, the pipeline having: one or more sacrificial anodes (20) thereon to provide cathodic protection; one or more pre-formed metallic rings (12) around at least one pipe; and one or more electrical connections (14) attached to the or each metallic ring and to at least one sacrificial anode to allow an electrical current to flow between the pipeline and one or more of the sacrificial anodes. Because the or each metallic ring has a ‘one-piece’ form, it can be fitted to the pipe without welding, avoiding the problems associated with welding discussed above. A one-piece ring also has no obvious weaknesses, so that there is greater assurance of its fixing to or with the pipe, and the ring is more compliant with any working on the pipe, in particular bending, compared with sleeves or other types of long sections.
摘要翻译：一种管道，其包括一个或多个管道，所述管道具有：其上具有或多个牺牲阳极（20）以提供阴极保护; 围绕至少一个管道的一个或多个预成型金属环（12）; 以及连接到该金属环或每个金属环的一个或多个电连接（14）和至少一个牺牲阳极，以允许电流在管线与一个或多个牺牲阳极之间流动。由于金属环或每个金属环都具有“一体式”形式，因此可以在不进行焊接的情况下将其安装到管道上，从而避免与上述焊接相关的问题。一体式环也没有明显的弱点，因此与管子的固定有更大的保证，并且与套管或其他类型的管相比，环更适合管道上的任何工作，特别是弯曲长节。

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