Patent · US Active

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

US12331440B2 · kind B2 · utility

0Cited by

1References

2Claims

0Family size

Assignees

TRÜTZSCHLER GROUP SE · DE
Voith Patent GmbH · DE

Inventors

Thomas Weigert · Pocking, DE
Florian Seils · Seligenstadt, DE
Kai PÖHLER · Vettweiß, DE

Key dates

Filing date	Dec 4, 2020
Grant date	Jun 17, 2025
Priority date	—
Expiry date	Aug 3, 2041

Classification

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

Abstract

The invention relates to an installation and a method for selectively producing a single- or 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.