FIBER OPTIC CABLE WITH CELLULOSIC FILLER ELEMENTS
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United States of America Patent
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Issued Date -
Jan 23, 2014
app pub date -
Jul 17, 2012
filing date -
Jul 17, 2012
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Abstract
A fiber optic cable includes: a plurality of optical fibers, the fibers divided into a plurality of fiber optic subunits, each of the subunits defining generally a circle having a first diameter; at least one elongate filler element, the filler element comprising a cellulosic material, wherein in end view the filler element defines generally a circle having a second diameter that is substantially the same as the first diameter; and an outer jacket surrounding the optical fiber subunits and the filler element, wherein the total number of fiber optic subunits and fillers elements is at least four. In this configuration, the cable can pass typical flame testing while being manufactured at a lower cost than current cable.
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