| 摘要 |
Device (6) 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 (2), the device including air blowing means (6) that expel air tangentially to the tubular veil (2) so as to impress a rotational movement on the veil, characterized in that the blowing means (6) deliver air in a direction perpendicular to the main direction of the flow of the tubular veil.
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