Building riser cable
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United States of America Patent
Stats
-
Mar 19, 1991
Grant Date -
N/A
app pub date -
Jul 25, 1989
filing date -
Jul 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cable which may be used in buildings in riser shafts includes a core (22) which includes at least one transmission medium which is enclosed in a non-halogenated plastic material. The core is enclosed with a jacket (29) which also is made of a non-halogenated plastic material. The non-halogenated material which encloses the transmission medium is a plastic material selected from the group consisting of a filled polyolefin, a polyphenylene oxide, a polyetherimide and a silicone-polyimide copolymer, and blend compositions of a polyetherimide and a silicone-polyimide copolymer. For the jacket, the plastic material comprises a filled polyolefin.
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Cited Art Landscape
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