US 12,486,190 B2 · Fining molten material using reduced pressure

Abstract

A glass fining system, multi-stage vacuum housing, and method are disclosed. The glass fining system includes a multi-stage vacuum housing comprising a first melt receipt tank configured to receive molten material, where the first melt receipt tank is disposed in a first vacuum chamber; a first refining channel configured to flow the molten material from the first melt receipt tank through a second vacuum chamber; a second melt receipt tank configured to receive the molten material from the first refining channel, where the second melt receipt tank is disposed in a third vacuum chamber; and a second refining channel configured to flow the molten material from the second melt receipt tank and through a fourth vacuum chamber; and a glass melter coupled to the multi-stage vacuum housing.

Claims21

Dependent claims

A multi-stage vacuum housing, comprising:

a first melt receipt tank configured to receive molten material, where the first melt receipt tank is disposed in a first vacuum chamber;
a first refining channel configured to flow the molten material from the first melt receipt tank through a second vacuum chamber;
a second melt receipt tank configured to receive the molten material from the first refining channel, where the second melt receipt tank is disposed in a third vacuum chamber;
and
a second refining channel configured to flow the molten material from the second melt receipt tank and through a fourth vacuum chamber,
wherein the first vacuum chamber is pressure sealed from the first melt receipt tank and the second melt receipt tank, and the second vacuum chamber is pressure sealed from the second melt receipt tank.

3 more elements

Dependencies are inferred from the claim text.

Fining molten material using reduced pressure

Life of this patent

Fining molten material using reduced pressure

Life of this patent

Abstract

Claims21