Fibering Device, Particularly For Making Glass Fibers
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United States of America Patent
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Issued Date -
Aug 28, 2008
app pub date -
Feb 15, 2006
filing date -
Mar 11, 2005
priority date (Note) -
Abandoned
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Abstract
It is provided a fibering device for making insulating glass fibers in which the gas fiber coming out of a rotor (3) driven in rotation around its axis is maintained to a viscous state and stretched by means of two blower units capable of directing the respective flows towards the fibers coming out of the rotor (3). The second blower unit (8) consists of a plurality of nozzles (10) for delivery of an air flow, which nozzles can be rotated about a respective axis (B) that is transverse to the rotation axis (A) of the rotor. Through movement of the nozzles (10), the point of incidence of the second flow (9) on the fibers is modified so that the stretching degree of the fibers is consequently varied.
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