Patent · US Active

Making a nonwoven from fibers

US10995436B2 · kind B2 · utility

0Cited by

3References

12Claims

0Family size

Assignees

REIFENHÄUSER GMBH & CO. KG MASCHINENFABRIK · DE
MANN+HUMMEL GmbH · DE

Inventors

Claudio Cinquemani · Cologne, DE
Detlef Frey · Niederkassel, DE
Stefan Orendt · Mainleus, DE
Thomas Pemsel · Ludwigsburg, DE

Key dates

Filing date	Feb 23, 2018
Grant date	May 4, 2021
Priority date	—
Expiry date	Feb 23, 2038

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD04H3/163
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a method for producing a nonwoven fabric from fibres, wherein the fibres are spun by means of at least one spinneret, are cooled and then deposited on a collection device to form a nonwoven web. The nonwoven web undergoes hot fluid bonding during at least two consecutive bonding steps. In a first bonding step, the surface of the nonwoven web is subjected to a hot fluid and, in a second bonding step, the surface of the nonwoven web is also subsequently subjected to a hot fluid and, in addition and at the same time, surface pressure is exerted on the nonwoven web.

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