Double coupon reference cell and methods of making same
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United States of America Patent
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May 12, 2020
Grant Date -
Mar 30, 2017
app pub date -
Dec 12, 2016
filing date -
Jul 18, 2013
priority date (Note) -
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Abstract
A cathodic protection device enclosing a reference cell and a conductive media and having two coupon assemblies mounted, facing opposing direction, on an exterior surface thereof is disclosed. The coupon assemblies each have a disc-shaped coupon seated in a jacket and are electrically coupled to a wire. The jacket is generally patch-sized and defines a pocket in a first surface and a groove in a second, opposing surface thereof. The disc-shaped coupon is seated in the pocket and the wire is seated in the groove with the electrical junction therebetween aligned with an aperture connecting the pocket to the groove. A sealing material is used to form a watertight seal between the disc-shaped coupon and the pocket and fills the groove. The device includes a hydrophilic porous member having a first surface in communication with the conductive media and a second surface in communication with an external environment.
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