Apparatus and method for obtaining uniform gobs in a triple gob

Details Apparatus and method for obtaining uniform gobs in a triple gob Apparatus and method for obtaining uniform gobs in a triple gob

1979-04-02

1980-10-28

Fisher, Richard V.

Glass manufacturing

Processes

Discharging molten glass downwardly through orifice

65129, 65327, 65328, 222146C, 222420, 222478, C03B 708

Patent

active

042304768

ABSTRACT:
An apparatus and method for use in a triple gob feeder of a glass forming apparatus for forming molten glass gobs of uniform size, weight, volume and shape by equalizing the temperatures of the molten glass flowing through orifices in a triple gob orifice ring. Molten glass is retained in a middle reservoir of the triple gob orifice ring for a relatively longer average period of time than in end reservoirs of the ring preferably by providing a middle reservoir having a relatively larger volumetric size than the end reservoirs. In addition, the middle reservoir is cooled by directing a coolant through channels in a bottom surface portion of the orifice ring and onto external surfaces surrounding the middle reservoir.

REFERENCES:
patent: D241269 (1976-08-01), Fentzke
patent: 3516812 (1970-06-01), Donnelly et al.
patent: 3554726 (1971-01-01), Daly
patent: 3560188 (1971-02-01), Winzer
patent: 3582309 (1971-06-01), Bracken
patent: 3625671 (1971-12-01), Schirm et al.
patent: 3711266 (1973-01-01), Daly

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