Method and apparatus for production of plate glass

Details Method and apparatus for production of plate glass Method and apparatus for production of plate glass

1978-10-25

1980-02-12

Kellogg, Arthur D.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 99A, 65 99R, 65182R, 65327, 65333, C03B 526

Patent

active

041882008

ABSTRACT:
A nozzle system is disclosed for the production of a wide band of flat plate glass in which the glass flows out of a nozzle orifice of a flat nozzle formed by two nozzle bars. One of the nozzle bars has a nozzle forming portion which is selectively elastically deformable. The other nozzle bar is of rigid construction. Deforming members are provided to selectively deform the one nozzle bar so as to reduce distortions occurring in the plate glass bands. The other nozzle bar is connected to an adjusting member for controlling an overall spacing with respect to the first nozzle bar so as to adjust overall glass thickness. A process computer may be employed to compare measuring values obtained from points along the deformable portion of the one nozzle bar with a model of a desired curvature stored in the computer.

REFERENCES:
patent: 1266011 (1918-05-01), Good, Jr.
patent: 3420650 (1969-01-01), Humphreys
patent: 3442636 (1969-05-01), Kita et al.
patent: 3576612 (1971-04-01), Prislan

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