ELECTRODE ASSEMBLY WITH ELECTRO-CONDUCTIVE POLYMER ENCAPSULATING METALLIC INSERT, AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Apr 5, 2012
filing date -
Apr 5, 2012
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Abandoned
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Abstract
An electrode assembly including a shell made of electro-conductive polymeric material in which is embedded a metallic insert such as a thin plate or wire mesh. The insert has a number of surface irregularities such as holes, indentations, or protuberances. The polymeric material shrinks after the insert is encapsulated within the shell resulting in contact pressure being exerted by the material on the irregularities and surrounding surface areas. One method of making the assembly includes coating the insert with a slurry including heat-curable polymeric material, which shrinks when cured. Another method includes encapsulating the insert within molten or liquidized polymeric material, which shrinks when cooled. Contact pressure is permanent because the high temperatures reached during thermosetting or overmolding are never reached while the assembly is being used in applications such as heating or sterilizing water, electrolysis, or oil well drilling.
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