Epoxy sight bowls for use in power transformers

Electricity: conductors and insulators – Insulators – Through wall or plate

Reexamination Certificate

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Details

C336S005000

Reexamination Certificate

active

06924438

ABSTRACT:
A cured filler-less epoxy compound formed as a rigid, three-dimensional, transparent structure, including a cylindrical sight bowl of a utility or industrial high voltage bushing. A process for making a three-dimensional (e.g., cylindrical), transparent structure with improved strength, including the steps of obtaining a cured filler-less epoxy compound and then pre-stressing the filler-less epoxy compound.

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