Optical waveguides – Optical transmission cable – Loose tube type
Patent
1991-12-12
1992-12-22
Lee, John D.
Optical waveguides
Optical transmission cable
Loose tube type
385112, G02B 644
Patent
active
051739615
ABSTRACT:
In optic cable there is provided a ripcord which lies partly within the sheath and partly outside the sheath by extending between overlapped edges of the sheath. Parts of the ripcord outside the sheath and spaced along the cable and are accessible by removal of directly overlying regions of jacket. No cutting of the sheath is required to access the ripcord which, however, after access may be used for ripping along the sheath.
REFERENCES:
patent: 4784461 (1988-11-01), Abe et al.
patent: 4844575 (1989-07-01), Kinard et al.
patent: 4893893 (1990-01-01), Claxton et al.
patent: 5050957 (1991-09-01), Hamilton et al.
patent: 5062685 (1991-11-01), Cain et al.
Austin R. J.
Heartney Phan T.
Lee John D.
Northern Telecom Limited
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