Composite insulators
AssigneeRosenthal Technik AG
InventorMartin Kuhl
Life of this patent
Estimating the term…
Abstract
An elongated electrical insulator has a supporting rod and barriers or screens spaced along the rod; an intermediate layer of material between the rod and the barriers or screens serves to exclude atmospheric moisture and other materials enhancing the electrical insulating characteristics of the insulator. The rod comprises a non-saponifiable resin reinforced with fiber glass of low alkali content. The barriers or screens comprise a non-saponifiable moisture-repellent polymer containing a filler. The intermediate layer comprises a moisture-repellent non-saponifiable polymer.
Claims19
A composite insulator, comprising a rod with screens surrounding it and an intermediate layer between the rod and the screens in which the rod comprises a non-saponifiable resin reinforced with glass fibers of low alkali content, the screens being of a moisture-repellent, non-saponifiable polymer containing a filler and the intermediate layer being of a moisture-repellent, non-saponifiable polymer.
Dependencies are inferred from the claim text.