Support for bushing for containing heat-softenable material

Details Support for bushing for containing heat-softenable material Support for bushing for containing heat-softenable material

C - Chemistry, Metallurgy

03

B

49/9.2

C03B 37/08 (2006.01) C03B 37/083 (2006.01)

Patent

CA 1070950

ABSTRACT OF THE DISCLOSURE A support is provided for a bushing containing heat- softenable material from which fibers are attenuated through tips in the bottom wall of the bushing. Especially with larger bushings and those used to melt heat-softenable material requiring higher temperatures, the bushing bottoms tend to sag or creep over a period of time. To overcome this, a bushing is provided with a plurality of internal supports connected to the bottom and supporting the same against sag or creep. The supports can be in the form of tubes extending between side walls of the bushing with connecting members joining the tubes to the bushing bottom wall. In a preferred form, refractory rods are extended through the tubes for additional support.

235931

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