| 摘要 |
A plastic insulator extending around and conforming to the shape of a header bar supporting a lead electrowinning anode includes legs that extend from the top of the header bar downward along the opposite faces of the anode to a level below the bottom edge of the anode, whereat the lower ends of the legs are joined. The upper, outer side surfaces of the insulator are sloped to prevent shorting of cathodes with the anode header bar during loading and removal of the cathodes. In one described embodiment of the invention, the insulator is hairpin-shaped with the lower ends thereof joined by a plastic retaining pin. In another embodiment of the invention, a U-shaped lower section is attached in a telescoping fashion to the lower ends of the legs of the insulator. In one embodiment of the invention, an upper portion of the insulator extends substantially above the top of the anode header bar to guide cathodes between the anodes during loading and removal of the cathodes.
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