Flame retardant fiber optic cable with halogen free sheath for blowing applications
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United States of America Patent
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Aug 15, 2023
Grant Date -
N/A
app pub date -
Feb 3, 2022
filing date -
Jul 9, 2019
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Abstract
Embodiments of the disclosure relate to an optical fiber cable. The optical fiber cable includes a subunit having a first interior surface and a first exterior surface. The first interior surface defines a central bore along a longitudinal axis of the optical fiber cable. At least one optical fiber is disposed within the central bore of the subunit, and a plurality of strengthening yarns is disposed around the subunit. A cable sheath disposed around the plurality of strengthening yarns. The cable sheath has a second interior surface and a second exterior surface. The second exterior surface defines an outermost surface of the optical fiber cable. The cable sheath includes from 55% to 68% by weight of a mineral-based flame retardant additive and from 35% to 45% by weight of a polymer blend. The polymer blend includes a co-polyester or co-polyether and a polyolefin or a polyolefin elastomer.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CORNING RESEARCH & DEVELOPMENT CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Heinz, Michael Alexander | Berlin, DE | 7 | 4 |
Kinnera, Ravinder Kumar | Bogotá, CO | 6 | 32 |
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