Electric cable
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 9, 1980
Grant Date -
N/A
app pub date -
Dec 8, 1978
filing date -
Dec 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric cable having a core made of insulated conductors disposed within a polymeric sheath. Voids within the core, between the conductors, are at least partially filled in the unused cable with a mixture comprising untreated calcium carbonate and a water-attracting polymer able to form a gel on contact with water without swelling. The cables are made waterproof by the presence of the mixture, which is cheaper than prior mixtures but as effective.
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