Manufacture of a flexible stranded optical fiber body

Details Manufacture of a flexible stranded optical fiber body Manufacture of a flexible stranded optical fiber body

1981-10-15

1983-02-08

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156 54, 156 56, 156172, 156201, 156287, 156428, 156429, 156430, 156431, 156461, 350 9623, 350 9629, 350 9632, 350 9633, 350 9634, 350320, 428375, 428377, 428379, H01B 1306, G02B 516

Patent

active

043727921

ABSTRACT:
An overhead electric conductor with optical fibres loosely housed in the bore of a central core, which bore also contains a greasy water-impermeable medium 4, is manufactured by causing a preformed elongate metal member of U-shaped transverse cross-section and the optical fibres to advance in the direction of their lengths, the rate of advance of the fibres being restrained. As the U-shaped elongate member is transversely folded around the optical fibres greasy water-impermeable medium is injected into the bore of the elongate metal member under a controlled pressure. The consistency of the greasy water-impermeable medium the pressure and rate at which it is injected into the bore and the degree of restraint imparted to the optical fibres 3 is such that, in a predetermined length of the conductor, the length of the optical fibres exceeds the length of the bore by a controlled extent, preferably 1 to 3%.

REFERENCES:
patent: 3297819 (1967-01-01), Wetmore
patent: 3733225 (1973-05-01), Moody
patent: 3876487 (1975-04-01), Garrett et al.
patent: 3888710 (1975-06-01), Burk
patent: 4072400 (1978-02-01), Claypoole et al.
patent: 4123304 (1978-10-01), Gaudette
patent: 4183621 (1980-01-01), Kao et al.
patent: 4334733 (1982-06-01), Takeshima et al.

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