Apparatus for attenuating mineral fibers

Details Apparatus for attenuating mineral fibers Apparatus for attenuating mineral fibers

1982-06-21

1983-11-08

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 5, 431158, C03B 37065

Patent

active

044140100

ABSTRACT:
An attenuating burner apparatus which requires less energy to soften the glass filaments. A shroud is provided for the attenuation zone which retains heat and limits the amount of dilution air that is entrained by the attenuation blast. The forward portion of the shroud is pivoted to permit adjustment to provide general alignment with the attenuation blast. A closure is provided for at least one of the openings through which dilution air is inspirated and a preheater uses waste heat to increase the temperature of the dilution air inspirated through another of the openings.

REFERENCES:
patent: 2455908 (1948-12-01), Slayter
patent: 2578101 (1951-12-01), Stalego
patent: 3015127 (1962-01-01), Stalego
patent: 3212557 (1965-10-01), Perry
patent: 3442633 (1969-05-01), Perry
patent: 3547568 (1970-12-01), Shisler
patent: 3787195 (1974-01-01), Kircheim
patent: 3885940 (1975-05-01), Levecque et al.
patent: 4123243 (1978-10-01), Levecque et al.
patent: 4145203 (1979-03-01), Levecque et al.
patent: 4199338 (1980-04-01), Levecque et al.

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