Patent · US Active

Spunbond nonwoven of continuous filaments and of making same

US12134845B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

REIFENHÄUSER GMBH & CO. KG MASCHINENFABRIK · DE

Inventors

Tobias Wagner · Cologne, DE
Sebastian Sommer · Troisdorf, DE
Patrick Bohl · Petershohn, DE
Andreas Roesner · Bonn, DE
Hans-Georg Geus · Niederkassel, DE
Gerold Linke · Petershohn, DE

Key dates

Filing date	Jul 14, 2020
Grant date	Nov 5, 2024
Priority date	—
Expiry date	Feb 6, 2041

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD10B2331/04
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A spunbond nonwoven textile is made of endless crimped bicomponent or multicomponent filaments having an eccentric core-sheath configuration. The sheath of the filaments in the filament cross-section has a substantially constant thickness of 0.1 to 5 μm over at least 20% of the filament outer surface.

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