Coated optical fibre unit and methods of manufacturing coated optical fibre units
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United States of America Patent
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Nov 4, 2008
Grant Date -
Mar 22, 2007
app pub date -
May 26, 2006
filing date -
Mar 28, 2002
priority date (Note) -
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Abstract
An optical fiber unit having a sheath and a plurality of optical fiber elements loosely housed in the sheath. The sheath is coated with particles of an adherence reducing substance and has a radial thickness that is not substantially greater than 0.3 mm. The coating of adherence reducing particles is applied as a liquid coating. The liquid coating is a dispersion of the particles and heat is applied to evaporate the liquid content of the liquid coating to produce a dry coating of particles on the sheath.
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