Optical fibre element housed in a tube resiliently set in a form

Details Optical fibre element housed in a tube resiliently set in a form Optical fibre element housed in a tube resiliently set in a form

1985-03-13

1987-09-01

Lee, John

350320, G02B 644

Patent

active

046904999

ABSTRACT:
In an optical fibre element comprising a flexible tube in which optical fibres are loosely housed, the tube is resiliently set in such a form that it follows a longitudinally extending path which, between any two longitudinally spaced positions, is greater in length than the rectilinear distance between the two positions. Preferably, the tube is resiliently set to follow a path of smoothly curved undulations, the axes of curvature of which lie parallel to one another and normal to the axis of the tube. When the resiliently set tube is subjected to a longitudinally applied tensile force, the tube will tend to straighten against the action of its resilient set, thereby to reduce the tensile force applied to the optical fibres.

REFERENCES:
patent: 4089585 (1978-05-01), Slaughter et al.
patent: 4178069 (1979-12-01), Andersen et al.
patent: 4513787 (1985-04-01), Hegler et al.
"NKF Kabel Develops Silica/Silicone Gel to Protect Fiber Cables from Moisture", Laser Focus, vol. 17, No. 2, Feb. 1981, pp. 56-57.
Miller, C. M., "Laminated Fiber Ribbon for Optical Communication Cables", The Bell System Technical Journal; vol. 55, No. 7, Sep. 1976, pp. 929-935.

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