Patent · US Active

Method for producing a glass fiber and device

US8800324B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

J-FIBER GMBH · DE

Inventors

Wolfgang Hämmerle · Jena, DE
Lothar Brehm · Jena, DE
Matthias Auth · Essen, DE

Key dates

Filing date	May 17, 2010
Grant date	Aug 12, 2014
Priority date	—
Expiry date	Oct 24, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B2205/56
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method for producing a glass fiber, through longitudinally drawing a preform in a drawing kiln, wherein cooling the glass fiber is performed in at least three time periods, wherein the glass fiber is exposed to a first time based cooling rate above a crystallization temperature range, to a second time based cooling rate that is greater than the first time based cooling rate within the crystallization temperature range, and to a third time based cooling rate which is smaller than the second time based cooling rate below the crystallization temperature range.

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