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.:
Date of Patent:
Feb. 06, 1979
Filed:
Oct. 07, 1977
Applicant:
Inventors:
Thomas J Nier, Corpus Christi, TX (US);
Charles K Edge, Sarver, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
6518 / ; 65 9 / ;
Abstract
A glass forming chamber wherein glass is formed while floating on the surface of a pool of molten metal is provided with a submerged plate in the pool of molten metal, which plate is contoured to divert the flow of molten metal in a central portion of the pool beneath an advancing layer of glass and to cause the flow of molten metal from the central portion into marginal portions of the pool or vice versa.