Apparatus for production of mineral fibers

Details Apparatus for production of mineral fibers Apparatus for production of mineral fibers

C - Chemistry, Metallurgy

03

B

49/9.2

C03B 37/09 (2006.01) C03B 37/083 (2006.01)

Patent

CA 1160453

ABSTRACT OF THE DISCLOSURE The present invention embraces apparatus for the production of mineral fibers. An electrically heated bushing for the manufacture of glass fiber comprises an electrically conductive bottom wall having orifices for the passage of streams of molten glass therethrough for attenuation into fibers and upwardly extending, electrically conductive, sidewalls. Each sidewall has an outwardly extending, electrically conduc- tive flange. The bushing further comprises an electrically conductive material added to a portion of each flange to lower the electrical resistance of said portion to establish desired electrical current flow distribution in the bottom wall.

354113

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