Patent · US Active

Optical tube assembly having a dry insert and methods of making the same

US7747117B2 · kind B2 · utility

51Cited by

57References

16Claims

0Family size

Assignee

Corning Cable Systems LLC · US

Inventors

Jody L. Greenwood · Hickory, US
Douglas S. Hedrick · Connelly Springs, US
Jason Clay Lail · Conover, US
W. Welch McCollough · Newton, US
Kenneth D. Temple, Jr. · Newton, US

Key dates

Filing date	Nov 13, 2007
Grant date	Jun 29, 2010
Priority date	—
Expiry date	Mar 15, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/4403
WIPO fieldOptics
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.