Patent · US Expired

Method for nozzle-injection of gas into molten glass

US6854291B2 · kind B2 · utility

5Cited by

2References

8Claims

0Family size

Assignee

Schott Glas · DE

Inventors

Hildegard Römer · Karben, DE
Nicole Surges · Bingen, DE
Paul Kissl · Mainz, DE
Thomas Kirsch · Cincinnati, US

Key dates

Filing date	Aug 31, 2001
Grant date	Feb 15, 2005
Priority date	—
Expiry date	May 8, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B5/193
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method and device for nozzle-injection of gas into molten glass is disclosed wherein a gas stream is introduced into the molten glass in a temporally pulsed throughput such that the gas stream is interrupted between two sequential pulses, the duration of each pulse amounting to less than one second.

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