阅读说明：本技术 装配和阴极保护 (Assembly and cathodic protection ) 是由 S.王 A.罗伯茨 L.鲍德温 于 2018-03-16 设计创作，主要内容包括：公开了方法和设备。所述设备包括基本上圆柱形的装配主体(350),所述装配主体(350)包括在圆柱形主体(350)的第一端部处的第一开口以及在圆柱形主体的其余端部处的其它开口、基本上圆柱形的内表面以及包括多个间隔开的基本上平行的凹陷区域的外表面,所述凹陷区域围绕主体周向地延伸；其中,圆柱形主体(350)在每个端部处渐缩,并且至少一个固定元件位于凹陷区域之间。(methods and apparatus are disclosed. The apparatus comprises a substantially cylindrical fitting body (350), the fitting body (350) comprising a first opening at a first end of the cylindrical body (350) and further openings at the remaining ends of the cylindrical body, a substantially cylindrical inner surface and an outer surface comprising a plurality of spaced apart substantially parallel recessed regions extending circumferentially around the body; wherein the cylindrical body (350) is tapered at each end and at least one fixation element is located between the recessed regions.)