Patent · US Active

Process and system for fining glass

US8925353B2 · kind B2 · utility

3Cited by
10References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 2008
Grant dateJan 6, 2015
Priority date
Expiry dateAug 23, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/57
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A glass making process comprising a step of fining the molten glass in a fining vessel comprising a top wall portion not in direct contact with the molten glass, and a side wall portion in direct contact with the molten glass, wherein the top wall portion has a temperature T(top), the side wall portion has a temperature T(side), and T(top)−T(side)≦10° C., and a glass fining system. The invention is particularly useful for glass fining systems comprising a metal fining vessel made of precious metals such as Pt and/or Pt—Rh alloys.

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