Friction reduction in drawing optical cable into protective tubes
US4979794A · kind A · utility
28Cited by
5References
2Claims
0Family size
Inventor
Key dates
| Filing date | Apr 20, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Apr 20, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/4479
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An outer protective tube into which a fiber optic cable is drawn under tension having a multiplicity of protruberances on its inside surface presenting a corresponding multiplicity of discrete spaced non-linear sliding surfaces to said cable to reduce friction and the tension imposed on the cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.