Process and apparatus for producing glass fibers

Details Process and apparatus for producing glass fibers Process and apparatus for producing glass fibers

2005-03-08

2005-03-08

Chin, Peter (Department: 1731)

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Formation of fiber or preform utilizing fluid blast

C065S457000, C065S459000, C065S460000, C065S462000, C065S463000, C065S467000, C065S522000, C065S524000, C065S525000, C065S527000, C425S008000, C264S008000

Reexamination Certificate

active

06862901

ABSTRACT:
A process and an apparatus for producing glass fibers by centrifugal force are provided. Molten glass is fed into a hollow cylinder of rotating member which rotates at high speed by means of a driving device and is heated. The molten glass is ejected to an outside of a peripheral wall by centrifugal force generated by high speed rotation of the rotating member through orifices, each of which has different diameter, and which are provided alternately in a circumferential direction of the peripheral wall. A primary steam of molten glass is ejected. The primary streams is introduced into flame flow ejecting from drawing burners located at outside of the peripheral wall to form secondary fibers. A compressed gas flow is ejected to a direction at an acute angle through an ejecting outlet of an ejecting nozzle to collide the compressed fluid with the secondary fibers to thereby produce glass fibers by continuously.

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