Method of manufacturing a glass gob

Details Method of manufacturing a glass gob Method of manufacturing a glass gob

2005-12-13

2005-12-13

Walls, Dionne A. (Department: 1731)

Glass manufacturing

Processes

Utilizing parting or lubricating layer

C065S182100

Reexamination Certificate

active

06973806

ABSTRACT:
In a method of manufacturing a glass gob, a down-flowing molten glass is received on a molding die. The molding die is moved down at a speed higher than a down-flowing speed of the molten glass so as to cut the molten glass. The molten glass is remained with a predetermined weight on the molding die. The molten glass is sprayed with gas in order to form the glass gob under such a condition that the molten glass is floated or slightly floated. The receiving step is carried out by spraying the molten glass with gas having a flow rate lower than the gas used in the spraying step, or the receiving step is carried out without performing the gas spraying.

REFERENCES:
patent: 5873921 (1999-02-01), Hirota et al.
patent: 2-34525 (1990-02-01), None
patent: 8-277132 (1996-10-01), None
patent: 9-221328 (1997-08-01), None

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