1988-02-10
1989-05-16
Lee, John D.
G02B 644
Patent
active
048304590
ABSTRACT:
An aerial optical fibre cable for installation alongside a power distribution system is made with a surface-slotted core acting as strength member and armouring and housing a ribbon optical element. The slot is filled with a soft thixotropic water blocking gel. The slot is closed and sealed with a close-fitting cap which is bound in position with a yarn and the core then driven several times around a capstan with the cap facing outward to induce an excess length of ribbon element in the core when it leaves the capstan. Plastics material is then extruded over the core to provide a tight-fitting sheath.
REFERENCES:
patent: 4110001 (1978-08-01), Olszewski et al.
patent: 4153332 (1979-05-01), Longoni
patent: 4690498 (1987-09-01), Priaraggia
Chicken Leslie C.
Houghton Ian
Heartney Phan T.
Lee John D.
STC PLC
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