Glass manufacturing – Processes – Operating under inert or reducing conditions
Patent
1992-11-20
1994-11-15
Jones, W. Gary
Glass manufacturing
Processes
Operating under inert or reducing conditions
65 66, 65 992, 65157, 651823, C03B 1820
Patent
active
053644352
ABSTRACT:
A method of introducing a reducing gas and an inert gas into a glass forming chamber at a plurality of locations along the length of the chamber by means of a system which permits delivery of a mixture of the reducing and inert gases to all such locations, or delivery of only the inert gas at certain of the locations. A significantly greater proportion of the reducing gas is introduced into the service space above the bath proximate the inlet end thereof. Further, the total amount of reducing gas which must be introduced to maintain a reducing bath atmosphere is minimized as a result of the location of such introduction. The present invention provides for a more conservative use of reducing gases such as hydrogen.
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Griffin Steven P.
Jones W. Gary
Libbey-Owens-Ford Co.
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