Forced convection furnace for heating glass sheets

Details Forced convection furnace for heating glass sheets Forced convection furnace for heating glass sheets

1998-12-09

2000-04-18

Walberg, Teresa

Heating

Work chamber having heating means

Combustion products heat work by contact

432152, 65119, 65273, C03B 2908

Patent

active

060508140

ABSTRACT:
A forced convection furnace (20) and method for heating glass sheets includes a forced convection heater (42) having lower hot gas distributors (44) located below alternate conveyor rolls (38) to provide upward gas flow both upstream and downstream thereof along a direction of conveyance to provide heating from below of the glass sheets being conveyed within a heating chamber (32) of a housing (22) of the furnace. The forced convection heater (42) also includes upper hot gas distributors (52) for providing heating from above of the glass sheets being conveyed within the heating chamber (32).

REFERENCES:
patent: 4938410 (1990-07-01), Kondo
patent: 5338008 (1994-08-01), Okuno et al.
patent: 5669954 (1997-09-01), Kormanyos
patent: 5672191 (1997-09-01), Kormanyos
patent: 5735924 (1998-04-01), Kormanyos
patent: 5762677 (1998-06-01), Kormanyos
patent: 5792232 (1998-08-01), Kormanyos

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