Patent · US Expired

Method for manufacturing a bar-shaped preform as well as a method for manufacturing optical fibres from such a bar-shaped preform

US7092611B2 · kind B2 · utility

1Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2002
Grant dateAug 15, 2006
Priority date
Expiry dateAug 28, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B2201/31
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a method for manufacturing a bar-shaped preform. The present invention further relates to a method for manufacturing optical fibers using the manufactured bar-shaped preform.

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