Patent · US Expired

Flexible fiber optical conduit and method of making

US4389089A · kind A · utility

20Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 14, 1980
Grant dateJun 21, 1983
Priority date
Expiry dateJul 14, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B37/14
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A flexible image-conducting bundle of optical fibers is produced by juxtapositioning and drawing a multiplicity of glass-clad glass fiber preforms and interstitial rods of leachable glass. The drawn assembly is cut to desired length and interstitial glasses are leached from the intermediate portion of the cut piece.

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