Gel-swellable particles and yarns in gel-filled buffer tubes

Details Gel-swellable particles and yarns in gel-filled buffer tubes Gel-swellable particles and yarns in gel-filled buffer tubes

2006-04-11

2006-04-11

Kianni, Kaveh (Department: 2883)

Optical waveguides

Optical transmission cable

Loose tube type

C385S114000, C385S106000, C385S112000

Reexamination Certificate

active

07027696

ABSTRACT:
A fiber optic buffer tube containing fiber optic ribbons centrally located within the buffer tube and a gel compound surrounding the fiber optic ribbons. Disposed within the gel compound, between the walls of the buffer tube and the fiber optic ribbons are gel swellable yarns and/or particles. The gel swellable yarns/particles volumetrically expand when in contact with the gel compound causing greater force to hold the gel compound in place, especially when the fiber optic buffer is heated. The gel swellable yarns/particles also provide greater surface area and help to prevent the fiber optic ribbons from coming into contact with the walls of the buffer tube, thereby preventing signal attenuation problems.

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