Method for producing a complex nonwoven fabric and resulting novel fabric
US7290314B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2005 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | May 5, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H1/732
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention concerns a method for producing a complex nonwoven fabric which consists in continuously producing a complex wherein a first web of a cellulosic fibres is continuously sandwiched between two webs of spunbonded filaments, and which consists in: producing a first web of spunbonded filaments, the bundle of extruded and drawn filaments being received on a mobile conveyor belt in the form of a non-bonded lap; depositing on said web by airlaid process a second web of cellulosic fibres; depositing on the textile web a second web of non-bonded continuous filaments; transferring the resulting complex onto an installation for water-jet bonding and hydro-entanglement consolidation; and in drying the nonwoven mixed product and then recuperating it, for example in the form of a cloth wind-up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.