Patent · US Expired

Optical cable with easily removable inner sheath

US7221833B2 · kind B2 · utility

2Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 2004
Grant dateMay 22, 2007
Priority date
Expiry dateNov 2, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/4431
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is an optical cable with a secondary sheath for surrounding and protecting a plurality of optical fiber units in which at least 1-core optical fiber is mounted in a buffer tube, wherein the secondary sheath is made of a mixture including 100 parts by weight of base resin selected from the group consisting of low density polyethylene, linear low density polyethylene, and their mixture; and 0.2 to 60 parts by weight of inorganic additive. The secondary sheath of this optical cable shows excellent cutting and tear characteristics and ensures easy contact and divergence.

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