| 摘要 |
<p>In an apparatus for the spunbonding production of a non-woven fabric of filaments, where a plurality of filaments are extruded, cooled, stretched and collected on a mobile support, the means of collecting the filaments include furthermore, a gas permeable mobile support element (28), an aspirator (29) and one or more aspiration ducts (33C-36C) that are divided into a plurality of channels (49) so as to provide a uniform aspiration speed over the whole mouth of the said duct in proximity of said mobile element (28), transversally to the mobile element of support.</p> |
