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:
Oct. 08, 2002
Filed:
Jan. 09, 2001
Frédéric Noelle, Saint Nazaire les Eymes, FR;
Rieter Perfojet, Montbonnot, FR;
Abstract
The invention concerns a method which consists in continuously: producing by carding ( ) a web ( from chemical fibers; subjecting the resulting web ( ) to a hydro-entanglement using water jets, treatment which consists in: (a) consolidating the web ( ) by the action of a first series of water jets ( ), the web ( ) being supported by a drum ( ) comprising micro-perforations; (b) subjecting the consolidated web ( ) to structuring, by the action of one or several series of water jets ( ); depositing on the surface of the resulting structured lap ( ) natural fibers ( ) by pneumatic layering ( ); subjecting the resulting complex ( ) to the action of another series of water jets ( ) acting on the surface covered with natural fibers.