Process for the production of a lightning arrester and products produced thereby
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United States of America Patent
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-
Mar 14, 1989
Issued Date -
N/A
app pub date -
Aug 31, 1987
filing date -
Feb 7, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lightning arrester with a monolithic, active resistor core made of voltage-dependent resistance material based on ZnO is produced by mixing and grinding the base materials Zno+metal oxides, producing pourable granules, filling into a silicone rubber tube and pressing cold-isostatically or radially into a moulding, sintering of the moulding into a self-supporting, monolithic resistor core, converting the resistor core, with an insulator by casting around, coating or painting with an epoxy resin, silicone material or concrete polymer or by drawing over a shrink-fit tube or by glazing. The resultant lightning arrester has a simple configuration, good reproducibility, cost-effective mass production.
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