Patent · US Expired

Communication cable

US5309539A · kind A · utility

4Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1991
Grant dateMay 3, 1994
Priority date
Expiry dateSep 30, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/52
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A communication cable comprising an outer sheath layer and at least one pipe through which an optical fiber unit is laid by means of a compressed gas, the outer sheath layer comprising a high-melting and flame-retardant resin and having on the inside thereof an inorganic fiber layer. The communication cable has excellent flame retardance.

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