Method and apparatus in a glass sheet bending furnace for preven

Details Method and apparatus in a glass sheet bending furnace for preven Method and apparatus in a glass sheet bending furnace for preven

1989-11-14

1991-01-08

Woodard, Joye L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65107, 65273, 65355, C03B 23025, C03B 3514

Patent

active

049832018

ABSTRACT:
A method and an apparatus in a glass sheet bending furnace are disclosed for preventing the deflection of a mould wagon bearing rail as the mould wagon is carried along a conveyor track made up of rollers on which the bearing rails rest, wherein the furnace includes a top array of successive heating sections and a bottom array of successive cooling sections. Deflection of the bearing rails is prevented by blasting cooling air to the top surfaces of the bearing rails in a cooling section of the furnace.

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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