Cable and tape structures therefor

Details Cable and tape structures therefor Cable and tape structures therefor

1990-03-22

1991-08-13

Lee, John D.

Optical waveguides

Optical transmission cable

Tightly confined

G02B 644

Patent

active

050391976

ABSTRACT:
A composite tape structure having a metal tape layer and a layer of swellable water blocking material, the two layers bonded together face-to-face. The tape structure is for use as a composite shield and water blocking structure surrounding the core of a cable, preferably a telecommunications cable. One edge region of the metal tape layer may extend beyond the layer of water blocking material so that overlapping edges of the metal tape layer confront each other for bonding purposes when used as shield. The layer of water blocking material may be formed from tape impregnated with or provided with a paticulate swellable material, or the particulate material may be applied directly to and bonded to the metal tape layer.

REFERENCES:
patent: 4595431 (1986-06-01), Bohannon Jr. et al.
patent: 4767184 (1988-08-01), Ogasawara et al.
patent: 4874219 (1989-10-01), Arroyo et al.
patent: 4963695 (1990-10-01), Marciano-Aledstinelli et al.

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