Insulation of a switchgear device of vacuum cartridge type by insert moulding
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United States of America Patent
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May 15, 2012
Grant Date -
Sep 30, 2010
app pub date -
Dec 19, 2008
filing date -
Dec 21, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum cartridge (1) is manufactured with a dielectric coating (22) made from elastomer directly on the enclosure of the chamber (2) of the cartridge (1). To prevent the elastomer from infiltrating into the chamber (2) of the cartridge and/or its enclosure from breaking, cover-plates (26) performing mechanical protection and dielectric deflection cover the covers (61, 62) of the chamber (2) and their braze (8) with the ceramic tube (4).
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