Patent · US Expired

Submerged dam barriers for selective diversion of molten metal flow in a glass forming chamber

US4116661A · kind A · utility

4Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1977
Grant dateSep 26, 1978
Priority date
Expiry dateOct 7, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B18/18
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A glass forming chamber wherein glass is formed while floating on the surface of a pool of molten metal is provided with submerged dam barriers in the pool of molten metal which dam barriers are contoured to inhibit the flow of molten metal in a central portion of the pool beneath an advancing layer of glass relative to the flow of molten metal in marginal portions of the pool including marginal portions between the edges of a floating layer of glass and side walls of the forming chamber.

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