Method and apparatus for molten metal flow diffusion in a float

Details Method and apparatus for molten metal flow diffusion in a float Method and apparatus for molten metal flow diffusion in a float

1978-07-26

1979-11-20

Kellogg, Arthur D.

Glass manufacturing

Processes

Forming product or preform from molten glass

65182R, C03B 1802

Patent

active

041749561

ABSTRACT:
A method and apparatus for reducing longitudinal distortion in float glass is disclosed. A beam or barrier having cross-hatched grooves is installed below the advancing float glass ribbon in a float glass-forming chamber. The barrier acts to divert or diffuse laterally the molten metal which is being drawn by interfacial drag with the bottom surface of the glass. The diffusion evens the heat on the undersurface of the glass and reduces glass distortion.

REFERENCES:
patent: 3479171 (1969-11-01), Robinson et al.
patent: 3495617 (1969-12-01), Lawrenson
patent: 3684475 (1972-08-01), Bondareu et al.
patent: 3930828 (1976-01-01), Kunkle
patent: 3930829 (1976-01-01), Sensi
patent: 4012216 (1977-03-01), Marchand

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