Automotive-wire insulation
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United States of America Patent
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-
Jan 25, 2000
Grant Date -
N/A
app pub date -
May 14, 1998
filing date -
May 14, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention features a high-temperature, automotive-wire article having a thin wall construction and an operative temperature of at least 135 degrees Centigrade. The wire article is made of an inner core of copper that is surrounded by a single layer of insulation, the latter of which includes an integral composite of two insulations. The inner layer of the composite consists of a fluorocarbon material; the outer layer of the composite is made of an irradiated, cross-linked polyolefin material. The outer layer may be irradiation cross-linked with between approximately 60 to 400 kGy, and preferably between 100 and 200 kGy. The inner and outer layers can optionally be adhesively bonded together or thermal fused together using a meltable resin, in order to form a single layer. The total wall thickness of the composite is less than approximately 0.5 mm.
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