Bubble formation in liquid such as molten glass

Details Bubble formation in liquid such as molten glass Bubble formation in liquid such as molten glass

2005-05-25

2008-11-18

Griffin, Steven P. (Department: 1791)

Glass manufacturing

Processes

Fining or homogenizing molten glass

C065S134900, C065S178000, C065S347000

Reexamination Certificate

active

07451621

ABSTRACT:
Bubbles of uniform diameter of 0.5 to 4 cm of gas such as helium are formed and pass into liquid such as molten glass by accumulating a sufficient volume of gas through a flow restriction into a space upstream of the point of injection at a controlled flow rate.

REFERENCES:
patent: 2890548 (1959-06-01), Wright
patent: 3622296 (1971-11-01), Buehl
patent: 3874864 (1975-04-01), Cuniberto
patent: 3929440 (1975-12-01), Oldfield
patent: 3960532 (1976-06-01), Lazet
patent: 6854291 (2005-02-01), Romer et al.
patent: 6871514 (2005-03-01), Muschik
patent: 2002/0078894 (2002-06-01), Timmons et al.
patent: 2002/0121113 (2002-09-01), Gohlke
patent: 2006/0174655 (2006-08-01), Kobayashi

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