High voltage insulator of ceramic material having shrink-fit cap and method of making
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United States of America Patent
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Nov 2, 1999
Issued Date -
N/A
app pub date -
Dec 23, 1997
filing date -
Jun 17, 1994
priority date (Note) -
Expired
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Abstract
The invention relates to a high voltage insulator of ceramic material, which includes a longitudinal shank having molded sheds and to whose ends of the shank metal caps are shrink-fitted. The ends of the longitudinal shank are enlarged so that the diameter of the enlarged ends is at least 1.05 times the diameter of the longitudinal shank. The cylindrical surface, and the end face of the enlarged ends of the longitudinal shank are machined.
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