The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6769272 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 03, 2004

Filed:

Feb. 26, 2001
Applicant:
Inventors:

Gernot Roeth, Dalheim, DE;

Thomas Pfeiffer, Ingelheim, DE;

Klaus-Dieter Duch, Bingen, DE;

Assignee:

Schott Glas, Mainz, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 5/187 ; C03B 5/225 ;
U.S. Cl.
CPC ...
C03B 5/187 ; C03B 5/225 ;
Abstract

An apparatus for making glass in which a glass melt is refined in a vessel with oxygen is described. It includes a melt-containing vessel ( ) having a refining region ( ) for refinement of the glass melt and a noble metal member for producing oxygen in the melt. The noble metal member ( ) has an outer side facing the glass melt and an inner side facing away from the glass melt washed with and acted on with oxygen. Oxygen-containing bubbles are vigorously generated on the outer side of the noble metal member facing the glass melt when the inner side is washed with the oxygen.


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