Fastening sacrificial anodes to reinforcing bars in concrete for cathodic protection
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Dec 1, 2014
filing date -
Dec 1, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
In a method of corrosion protection of rebar in concrete the sacrificial anode is held in place by wrapping a first wire around a first rebar portion and a second wire at second rebar portion and twisting together the first and second free ends to tension the wrappings. This can be used either on two separate rebars which are parallel or at right angles or can be used at longitudinally spaced positions on a single rebar where the rebar roughening prevents the two wrappings from sliding as the wires are tensioned by the twisting. In many cases a covering material such as a porous mortar is cast onto the outer surface of the anode and in this case the mortar and the wire are located such that the wire exits from the sacrificial anode at a position separate from the layer of covering material.
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