Electric insulator made from silicone rubber for high-voltage applications
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United States of America Patent
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Apr 18, 2000
Grant Date -
N/A
app pub date -
Jan 29, 1997
filing date -
Jul 29, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
An electric high-voltage insulator made from plastic comprises at least one glass fiber rod (1), at least one shield covering (2) made from silicone rubber which surrounds the glass fiber rod (1) and has concentric bulges (3) arranged along the longitudinal axis and bent in the shape of sheds in such a way that they form a convex top side and a concave or flat underside, as well as metal fittings (5) on both insulator ends. In this case, the bulges bent in the shape of sheds have at least one groove (4) on the underside preferably with a minimum depth of 1 mm.
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