Bushing insulation and frame arrangement for making fiber glass

Details Bushing insulation and frame arrangement for making fiber glass Bushing insulation and frame arrangement for making fiber glass

1998-05-12

1999-09-07

Hoffmann, John

Glass manufacturing

Fiber making apparatus

With specified bushing, tip, or feeder structure

C03B 3708

Patent

active

059481358

ABSTRACT:
A glass fiber forming bushing assembly wherein the bushing is supported by a frame is disclosed wherein portions of the frame are angled outwardly and downwardly. The result is a larger amount of insulating refractory between the bushing and the frame at the plane of the tip plate at the bottom of the bushing. This provides more uniform thermal conditions across the bushing. Structural integrity is provided by protrusions extending from the angled side frame portions into the refractory.

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patent: 5078182 (1992-01-01), Kraft
patent: 5147431 (1992-09-01), Gaertner
patent: 5709727 (1998-01-01), Bobba

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