Method for attenuating float glass

Details Method for attenuating float glass Method for attenuating float glass

1980-08-01

1982-08-10

Kellogg, Arthur D.

Glass manufacturing

Processes

Forming product or preform from molten glass

651824, C03B 1806

Patent

active

043436420

ABSTRACT:
The marginal edge portions of an accelerating ribbon of float glass are engaged by a plurality of opposed pairs of attenuating devices, each pair exerting substantially equal forces. The pairs of attenuating devices are positioned longitudinally adjacent one another such that the ratio of the ribbon width intermediate adjacent pairs to the average of the ribbon widths at each pair is greater than 0.95. The attenuating devices may be edge rolls each rotating with a peripheral velocity a predetermined amount greater than the linear velocity of the ribbon immediately upstream.

REFERENCES:
patent: 3266880 (1966-08-01), Pilkington
patent: 3520672 (1970-07-01), Greenler et al.
patent: 3533772 (1970-10-01), Itakura et al.
patent: 3563720 (1971-02-01), Ito et al.
patent: 3661548 (1972-05-01), Ito et al.
patent: 3709673 (1973-01-01), Bishop
patent: 3713797 (1973-01-01), Lawrenson
patent: 3929444 (1975-12-01), May et al.
patent: 3998616 (1976-12-01), Farabaugh
patent: 4157908 (1979-06-01), Gagne

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