Coated optical fibre unit and methods of manufacturing coated optical fibre units

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 i...

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Bibliographische Detailangaben
Hauptverfasser:	PIKE ROGER JOHN, DAVIES MARTIN VINCENT, PIZZORNO MASSIMO, SUTEHALL RALPH, CESCHIAT DAVIDE
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS MECHANICAL FINISHING OF YARNS OR ROPES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TEXTILES TRANSPORTING WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	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.