The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2025
Filed:
Feb. 24, 2021
Lenzing Aktiengesellschaft, Lenzing, AT;
Ibrahim Sagerer-Foric, Vöcklabruck, AT;
Lenzing Aktiengesellschaft, Lenzing, AT;
Abstract
A process () for the production of spunbonded nonwoven () and a device () are shown, comprising an embossing pattern (), wherein a spinning mass () is extruded through a plurality of nozzle holes of at least one spinneret () to form filaments () and the filaments () are drawn by a drawing air stream (), in each case, in the extrusion direction, with the filaments () being deposited on a perforated tray () of a conveying device () to form a spunbonded nonwoven (). So as to allow an efficient, technically simple and inexpensive introduction of the embossing pattern into the spunbonded nonwoven, it is suggested that the perforated tray () has an embossing structure () with an embossing pattern (), the filaments () are pressed into the embossing structure () by the drawing air stream () and the spunbonded nonwoven () thus formed is provided with the embossing pattern ().