| 摘要 |
A tubular anode such as tubular cast iron, magnetite, graphite, carbon or steel may be provided with an easily made internal or center connection having assured uniform resistance characteristics by the employment of at least two diametrically opposed wedge blocks, such blocks having parallel crowned and serrated contact surfaces and a wedge surface interface, such interface including a tongue and slot connection between the blocks, one or both blocks having oppositely extending tubular crimpable lead connections. The blocks may be made of malleable material so that when assembled and placed in the proper location inside the anode, one may be held while the other is driven axially, or both may be driven in axially opposite directions easily to form an electrical connection of assured electrical resistivity.
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