Method of sheathing a fiber optic

Details Method of sheathing a fiber optic Method of sheathing a fiber optic

1985-12-03

1988-09-20

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264173, 264174, B29D 1100

Patent

active

047724358

ABSTRACT:
The optical fiber paid out from a reel passes through an extrusion head, then through a cooling vat, the sheath extruded around it being pulled by a withdrawal device. The sheath then passes through a second vat, when the stranding element is withdrawn by an auxiliary withdrawal device under as low a tension as possible. In the second vat, the stranding element is reduced to a temperature lower than the ambient temperature so that contraction of the sheath ensures the excess length of the optical fiber.

REFERENCES:
patent: 3055778 (1962-09-01), Rhodes
patent: 3728424 (1973-04-01), Bauer
patent: 4078111 (1978-03-01), Yamaguchi et al.
patent: 4089923 (1978-05-01), Theodossi
patent: 4154783 (1979-05-01), Jackson
patent: 4414165 (1983-11-01), Oestreich et al.
patent: 4458476 (1984-07-01), Mays et al.
patent: 4583929 (1986-04-01), Becker et al.

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