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.

Date of Patent:
May. 07, 2019

Filed:

Apr. 03, 2015
Applicant:

Boma Engineering S.p.a., Milan, IT;

Inventor:

Galliano Boscolo, Vigliano Blellese, IT;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/56 (2006.01); D04H 1/407 (2012.01); B29B 9/10 (2006.01); B29C 35/16 (2006.01); B29C 70/12 (2006.01); B29C 70/30 (2006.01); B29C 70/34 (2006.01); B29K 105/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
D04H 1/56 (2013.01); B29B 9/10 (2013.01); B29C 35/16 (2013.01); B29C 70/12 (2013.01); B29C 70/305 (2013.01); B29C 70/34 (2013.01); D04H 1/407 (2013.01); B29C 2035/1658 (2013.01); B29K 2105/251 (2013.01); B29L 2009/00 (2013.01);
Abstract

The apparatus () for making a fibrous-containing and/or particle-containing nonwoven (NW) comprises a spinning unit () with a spinning head (), a forming surface () that is movable in a conveying direction (MD), and a channel () positioned between the spinning head () and the movable forming surface (), and formed between at least two transverse walls (), that extend transverse to the conveying direction (MD) and that are in the vicinity of the movable forming surface (), or that are in frictional contact with the movable forming surface (). The spinning unit () is adapted for spinning a stream of polymeric filaments or fibers (F) passing through said channel () and deposited onto said forming surface (). The apparatus further comprises supplying means () adapted for blowing at least one stream of cooling gas (C) and fibrous material and/or particles inside said channel () in the vicinity of the spinning head () and towards the stream of hot polymeric filaments or fibers (F) inside said channel (), said at least one stream of cooling gas (C) enabling simultaneously to cool the stream of hot fibers or filaments (F) produced by the spinning unit () and to transport and blow the fibrous material (M) and/or particles inside said channel () and into said stream of hot polymeric filaments or fibers (F).


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