Glass forming apparatus

Details Glass forming apparatus Glass forming apparatus

1979-02-07

1980-06-24

Fisher, Richard V.

Glass manufacturing

Plural sources feeding diverse glass melts to common forming...

65327, C03B 1700

Patent

active

042093155

ABSTRACT:
In an apparatus for forming multiple ply sheet glass directly from separate sources of molten vitreous material while maintaining such separate sources free from exposure to detrimental gaseous media during the formation of such sheet glass; metering means in communication with each of said separate sources of vitreous material, a pair of opposed surface portions thereof defining a central longitudinal delivery passage for delivering molten glass from one source of vitreous material, and a pair of opposed channels for delivering molten glass from the other source, insert means adapted to mate with the metering means in said delivery passage for reducing the flow of molten glass therethrough to provide sheet glass having a width narrower than the width of said delivery passage.

REFERENCES:
patent: 1734964 (1929-11-01), Danner
patent: 1734965 (1929-11-01), Danner
patent: 1844049 (1932-02-01), Spinasse
patent: 3192023 (1965-06-01), Stalego
patent: 3218143 (1965-11-01), De Lajarte
patent: 3345150 (1967-10-01), Ihrig
patent: 3582306 (1971-06-01), Giffen
patent: 3589887 (1971-06-01), Ward
patent: 3622298 (1971-11-01), Machian et al.

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