Importance

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Abstract

An anode assembly for insertion in a gap between a section of reinforced concrete and another solid structure, which may be another section of concrete, comprises an anode attached to a body of deformable material which is preferably resiliently deformable, whereby, when the assembly is inserted into the gap, the anode is pressed into electrical contact with the concrete surface. Preferably means are provided to expand the body of deformable material to press the anode into contact with the concrete which may comprise a slot in the body of deformable material and a strip of size greater than the slot for insertion into the slot, the strip preferably being coated with a friction reducing material or a cavity in the body which cavity can be inflated by the admission of a fluid thereto or a deformed resilient member under a constraint expandable in the direction of the gap on removal of the constraint or a hydrophilic member expandable on contact with water.

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First Claim