Patent · US Active

Installation and method for producing a single- or multi-layer nonwoven

US12180630B2 · kind B2 · utility

0Cited by
4References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 3, 2020
Grant dateDec 31, 2024
Priority date
Expiry dateNov 26, 2041

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD10B2321/022
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An installation and a method for selectively producing a single-ply or alternatively a multi-ply nonwoven includes an inclined wire former configured to deposit a sheet of wet-laid fibre material on a first circulating belt, a further belt configured to receive the sheet of wet-laid fibre material from the first circulating belt, a roller card arranged downstream in the material transport direction and configured to introduce a roller card web into the installation, a hydroentanglement arranged downstream in the material transport direction and including at least one water beam configured to entangle, bond and/or structure a single sheet of fibres or a plurality of sheets of fibres, and a dryer arranged downstream in the material transport direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.