Method of preparing epoxy coated bus bars for use in electrical distribution equipment
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United States of America Patent
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Nov 22, 2022
Grant Date -
Jun 20, 2019
app pub date -
Dec 14, 2017
filing date -
Dec 14, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An automated process for producing exposed electrical contact areas on the conductor part of an epoxy coated bus bar. When the epoxy coating is in the glassy state, one can safely and economically, preferably via automated apparatus, put the epoxy into the rubbery state by positioning the bar and applying localized heat at a select area of the coating; monitoring the heating to above the glass transition temperature of the epoxy, bringing cutting tools into contact with the epoxy for cutting and removing the rubbery coating away from the bus bar, and cooling the bus bar to bring adjacent coating back to the glassy state, thereby leaving an exposed electrical contact area of conductor on the bus bar with little or no surface damage.
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