Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1997-10-08
1999-09-07
Griffin, Steven P.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 992, 65118, 65119, 651822, C03B 25093
Patent
active
059481323
ABSTRACT:
A glass sheet strip annealing method utilizes a housing (18) along which a conveyor (26) including a gas support (28) supports a glass sheet strip G by pressurized gas for movement between entry and exit ends (22,24) of the housing before a conveyor drive (32) engages the strip after the surfaces thereof are cooled below the strain point. Best results are achieved when the glass sheet strip is supported only by the gas support (28) until its surfaces are placed in compression. Lower and upper manifolds (34,36) respectively support and convey the glass sheet strip within the housing (18) preferably by a recirculating gas flow supplied by gas burner (76) and associated gas jet pumps (78).
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Breno Philip J.
Buckingham James W.
Maltby, Jr. Robert E.
McMaster Harold A.
Vild Michael J.
Glasstech, Inc.
Griffin Steven P.
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