Duct for receiving an optical fibre member
US5214733A · kind A · utility
Assignees
Inventor
Key dates
| Filing date | Apr 23, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Apr 23, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A duct is provided for receiving an optical fibre member by blowing. The duct is formed at least in part of a plastics material which is electrically conductive or has electrically conductive material such as carbon black held therein or has an electrically conductive material applied thereto preferably the duct has a radially inner layer defining an inside wall of the duct and at least one further layer positioned outwardly of the inner layer, the inner layer being formed of the plastics material which is electrically conductive or has electrically conductive material held therein or had an electrically conductive material applied thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.