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US 8,512,607 B2Granted
Process for producing nonwoven fabrics particularly soft, resistant and with a valuable appearance
AssigneeA. Ahlstrom Corporation
InventorRoberto Pedoja
Life of this patent
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Abstract
The present invention relates to a process and equipment for manufacturing a non-woven fabric provided with optimum softness and resistance characteristics, as well as attractive appearance. Particularly, the invention relates to a process and equipment for manufacturing non-woven fabrics (NWF) both of the spun-lace type, either spunbonded and carded (hydro-entangled NWF), and the non-woven fabrics thereby obtained by means of hydro-embossing and thermo-embossing treatments.
Claims14
A process for manufacturing a non-woven fabric comprising:
- hydro-embossing a sheet of the non-woven fabric, and
- thermo-embossing the sheet,
- wherein the hydro-embossing and thermo-embossing steps are applied each to different, non-overlapping portions of the sheet.
Dependencies are inferred from the claim text.