G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.1, 88/97.6
G02B 6/44 (2006.01)
Patent
CA 1317139
ANIMAL-RESISTANT CABLE Abstract An animal-resistant optical fiber cable (20) includes a core (22) which comprises a transmission medium and a sheath system. The sheath system includes an outer jacket (65) and a dielectric armor (40) in the form of a shell. The shell comprises a plurality of longitudinally extending preformed segments (42-42) each having an arcuately shaped cross section transverse to a longitudinal axis of the cable and each comprising glass fibers embedded in a matrix material. Each of the segments covers less than half of the periphery of the core and, in a preferred embodiment, eight segments are used. Further, the shell segments are stranded helically about the core with longitudinal edge surfaces of adjacent segments being in engagement with each other. The shell segments not only provide rodent protection for the cable, but also they provide suitable tensile and compressive strength. Further, because the cable has an all-dielectric sheath system, it is inherently lightning, corrosion and EMP resistant.
599802
Arroyo Candido John
Patel Parbhubhai Dahyabhai
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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