Method and apparatus for processing glass

Details Method and apparatus for processing glass Method and apparatus for processing glass

1974-12-20

1976-09-21

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 11W, 65 12, 65 29, 65164, 65335, C03B 3702

Patent

active

039817040

ABSTRACT:
This invention embraces a method of and apparatus for processing heat-softenable fiber-forming material, such as glass, involving treatment of a surface of a feeder from which flow streams of the heat-softened glass through the establishment of an environment at the surface in which a heat-decomposable gas is heat decomposed providing a gas resulting from the decomposition of a character promoting separation of the glass from the surface thereby minimizing or eliminating the tendency for the material to flood at the feeder surface, effecting pressure through the heat-softened glass in a supply chamber, transferring glass from the chamber to the stream feeder, and effecting pressure through the heat-softened glass in the feeder to prevent or eliminate permeation or filtering of the gas formed by heat decomposition through the material of the feeder into the softened glass thereby enhancing the uniformity of glass streams flowing from the feeder.

REFERENCES:
patent: 3012373 (1961-12-01), Willis
patent: 3401536 (1968-09-01), Glaser
patent: 3573014 (1971-03-01), Strickland et al.
patent: 3701642 (1972-10-01), Stream
patent: 3829301 (1974-08-01), Russell

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