Heat transfer method in a glass sheet bending furnace and bendin

Details Heat transfer method in a glass sheet bending furnace and bendin Heat transfer method in a glass sheet bending furnace and bendin

1989-11-14

1991-01-22

Woodard, Joye L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, C03B 23025, C03B 27044

Patent

active

049868420

ABSTRACT:
A heat transfer method in a glass sheet bending furnace and a glass sheet bending furnace for carrying out the method are disclosed. The furnace includes a top array of successive heating sections and a bottom array of successive cooling sections, and glass sheets are placed on bending moulds supported by wagons and are advanced on conveyor tracks through the heating and cooling sections. Heat is transferred from bent, hot glass in a cooling section to unbent, cold glass in a heating section by air which is sucked from the cooling section and blasted into the heating section.

REFERENCES:
patent: 3248517 (1966-04-01), Vranken
patent: 3431095 (1969-03-01), Ross
patent: 3884667 (1975-05-01), Schraven
patent: 4497645 (1985-02-01), Peltonen
patent: 4755204 (1988-07-01), Boardman et al.

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