Process and device for obtaining mineral fibers

Details Process and device for obtaining mineral fibers Process and device for obtaining mineral fibers

1992-01-17

1994-08-16

Lindsay, Robert L.

Glass manufacturing

Fiber making apparatus

Centrifuge with fiberizing holes

65 19, 65509, 373 28, 373 33, 373 34, 373 80, C03B 3704

Patent

active

053383290

ABSTRACT:
For obtaining mineral fibers from a thermoplastic material having a high melting point, and more precisely for the regulation of the flow rate and temperature of the stream of molten material distributed on the fiber-drawing machine, the molten material is conveyed via a reservoir where the flow rate is regulated and the height of the molten material at the base of the tapping aperture is controlled by inclining the reservoir. Preferably the molten material is subject to a basic heating process which raises its temperature close to the fiber-drawing temperature and, in the vicinity of the tapping aperture, it is subject to additional heating in order to adjust the temperature precisely.

REFERENCES:
patent: 3390219 (1968-06-01), Henriksen et al.
patent: 4146375 (1978-03-01), MacPhearson et al.
patent: 4650510 (1987-03-01), Tuovinen
patent: 4664691 (1987-05-01), Debouzie et al.
patent: 4679205 (1987-07-01), Heidenrich et al.
patent: 4969940 (1990-11-01), Schwarb et al.
patent: 5123941 (1992-06-01), Lauren et al.

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