Patent · US Active

Process for producing glass and glass-melting apparatus thereof

US7730744B2 · kind B2 · utility

2Cited by
24References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 2007
Grant dateJun 8, 2010
Priority date
Expiry dateJul 11, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S65/16
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in the molten glass and a glass raw material that behaves as a reducing agent during being melted is charged into a position of the bubbling or (2) said vessel is filled with a dry ambient gas and while the ambient gas is allowed to flow to a liquid surface of the molten glass along an charging route of the glass raw material, the glass raw material is charged.

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