Patent ID: 8597555

Claim:
A method for manufacturing spunbonded or spunbonded/carded nonwoven, comprising the following sequential steps; a) extruding continuous thread filaments or microfilaments through spinnerets to produce spunbonded continuous filaments or microfilaments having a lobed cross-section, b) laying at least one layer (T 1 ) of spunbonded lobed filaments or microfilaments on a suitable three dimensional support having a surface with ribs in contact with said filaments or microfilaments, and c) effecting a pre-consolidation of said layer T 1 by passing the layer T 1 , supported by said three dimensional support, between two rollers, one of the rollers facing the layer T 1 , wherein the ribs of said surface of said support have a height between 0.3 and 5 mm, said ribs being distributed to cover less than 14% of said surface, and wherein said roller facing the layer T 1 is provided with a metal outer surface and is subject to heating.