Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Formation of fiber or preform utilizing fluid blast
Reexamination Certificate
2005-12-07
2011-11-15
Dehghan, Queenie (Department: 1741)
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
Formation of fiber or preform utilizing fluid blast
C065S458000, C065S460000, C065S461000, C065S464000, C065S467000, C065S478000, C065S517000, C065S524000
Reexamination Certificate
active
08056369
ABSTRACT:
Device intended for an installation for forming fibrous felts, the fibers being formed from a material that can be attenuated by internal centrifugation and by attenuation by means of a gas stream, the flow of fibers being in the form of a tubular veil, the device including air blowing means that expel air tangentially to the tubular veil so as to impress a rotational movement on the veil, wherein the blowing means deliver air in a direction perpendicular to the main direction of the flow of the tubular veil.
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patent: 5693117 (1997-12-01), Watton
patent: 2007/0227196 (2007-10-01), Boulanov
Boulanov Oleg
Decrocq Francois
Lacaute Daniel
Pourouchottamane Manivannane
Dehghan Queenie
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Saint-Gobain Isover
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