| 摘要 |
A pipe electrochemical polishing system (10) for in place polishing of a pipe (12) has a cathode puller cable (16) having a plurality of balls (34, 34a) distributed along the length of the cable (16). The balls (34, 34a, 34b) support the cable (16) within the pipe (12) and provide rigidity to the cable (16) so that the cable (16) can be pushed through the pipe (12) rather than having to be initially pulled therethrough. The cable (16) can be readily pulled through the pipe (12), and particularly around bends therein, because the balls (34, 34a, 34b) prevent the cable (16) from binding and coming into contact with the interior walls of the pipe (12).
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