G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.1
G02B 5/16 (1980.01)
Patent
CA 1135095
ABSTRACT A unitary optical cable is disclosed which comprises a self-sustaining tube of elastic material enclosing one or more fibers and having an inner wall of a diameter larger than the diameter of a circle circumscribing the fiber or fibers so that the fiber or fibers are free to move within the tube. The element differs from prior art optical cable elements in that it has a longitudinally extending cut therein which extends from the outer surface of the tube to the inner surface of the tube. This cut provides a pair of tube wall edge faces at opposite sides of the cut. The resilient nature of the tube is such that it inherently presses the edge faces of the tube wall against one another and assumes a tubular cross-section of a diameter larger than the diameter of a circle circum- scribing the fiber or fibers. These cable elements are useful in the construction of telecommunication cables.
367666
Longoni Sergio
Portinari Antonio
Industrie Pirelli Societa Per Azioni
Smart & Biggar
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