Method and apparatus for processing heat-softenable fiber...

Details Method and apparatus for processing heat-softenable fiber... Method and apparatus for processing heat-softenable fiber...

C - Chemistry, Metallurgy

03

B

49/9.2

C03B 37/08 (2006.01) C03B 37/095 (2006.01)

Patent

CA 1115526

ABSTRACT OF THE DISCLOSURE A method of and apparatus for processing heat-softened fiber-forming material are disclosed which employ a bushing block. The bushing block has a wall defining a passage for accommodating flow of heat-softened material from a supply into a fiber-forming bushing. The bushing block further includes insulating means com- prising an insulating space surrounding the wall and a radiation shield surrounding the insulating space. A fore hearth containing glass from a melting furnace includes a flow block comprising a wall defining a glass flow passage. A bushing disposed adjacent the flow block has orifices through which flow streams of glass. The bushing block is disposed between the flow block and the bush- ing.

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