Optical tube assembly having a dry insert and methods of...

Details Optical tube assembly having a dry insert and methods of... Optical tube assembly having a dry insert and methods of...

2007-11-13

2010-06-29

Hyeon, Hae Moon (Department: 2839)

Optical waveguides

Optical transmission cable

C385S102000

Reexamination Certificate

active

07747117

ABSTRACT:
An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer. The first layer is a polyurethane foam and the second layer is a water-swellable layer, wherein the dry insert is disposed within the tube and generally surrounds the at least one optical waveguide.

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