Patent · US Active

Apparatus for compacting and/or structuring a nonwoven, and a structural shell

US11788220B2 · kind B2 · utility

0Cited by

9References

19Claims

0Family size

Assignee

TRÜTZSCHLER GMBH & CO. KG · DE

Inventors

Thomas Weigert · Pocking, DE
Peter Körner
Florian Seils · Seligenstadt, DE
Rolf Schroder · Wuppertal, DE
Bernd Stork · Riedstadt, DE

Key dates

Filing date	Jul 19, 2019
Grant date	Oct 17, 2023
Priority date	—
Expiry date	Jul 21, 2039

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06C29/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a device for hydroentangling and/or structuring webs that includes an suctioning rotating drum and a structured shell, including at least two rings which can be pushed on and attached to the drum, is disposed at a distance from the cylindrical surface of the drum around. A web can be at least partially looped around the structured shell. At least one water bar including a nozzle strip with a plurality of nozzles is arranged relative to the structured shell to entangle and/or to structure and/or to perforate the web by the water jets. The invention further relates to the structured shell.

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