FIELD: production of glass fiber, particularly, designs of glass-melting crucible for production of continuous fiber by two-stage technology. SUBSTANCE: glass-melting crucible includes body with loading slot, current leads, bushing plate with bushings. Bushing height shall be at least 5 mm, and bushing lower base-to-upper base ratio is 0.4-0.8. Ratio of bushing cylindrical part diameter to bushing lower diameter is 0.6-0.9. Ratio of bushing conical part hole height to height of bushing itself is 0.25-0.6. Ratio of bushing inlet hole diameter to bushing cylindrical part diameter is 1.25-2.0. EFFECT: increased productivity and service life. 2 cl, 1 dwg
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Authors
Dates
2003-02-10—Published
2000-10-30—Filed