Glass manufacturing – With fluid support for article or preform – Gaseous support
Patent
1995-01-31
1997-12-23
Griffin, Steven P.
Glass manufacturing
With fluid support for article or preform
Gaseous support
65348, 65351, 65 252, 65119, C03B 1800, C03B 2506
Patent
active
057003068
ABSTRACT:
A glass sheet strip annealing lehr (16) is disclosed as including 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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