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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.:

US 11453961 B1

PDFFull Text
Date of Patent:
Sep. 27, 2022

Filed:

Feb. 15, 2018

Method and apparatus for manufacturing natural fiber based staple fibers on a common surface

Applicant:

Spinnova Oy, Jyväskylä, FI;

Inventors:

Johanna Liukkonen, Jyväskylä, FI;

Sanna Haavisto, Jyväskylä, FI;

Pasi Selenius, Lievestuore, FI;

Juha Salmela, Laukaa, FI;

Janne Poranen, Muurame, FI;

Arto Salminen, Jyskä, FI;

Marko Myllys, Jyväskylä, FI;

Pia Vento, Vaajakoski, FI;

Karri Björklund, Jyväskylä, FI;

Assignee:

SPINNOVA OY, Jyväskylä, FI;

Attorney:

ArentFox Schiff LLP

Primary Examiner:

Leo B Tentoni

Int. Cl.
CPC ...
B23K 26/00 (2014.01); B26D 3/16 (2006.01); B26F 3/08 (2006.01); B26F 3/16 (2006.01); B28B 1/26 (2006.01); D01D 5/253 (2006.01); D01G 15/00 (2006.01); D01G 15/02 (2006.01); F26B 3/04 (2006.01); F26B 3/06 (2006.01); F26B 3/08 (2006.01); F26B 3/22 (2006.01); F26B 3/24 (2006.01); F26B 13/14 (2006.01); F26B 13/16 (2006.01); F26B 13/18 (2006.01); D01G 1/04 (2006.01); D01F 2/00 (2006.01); D01D 5/04 (2006.01); D01F 4/02 (2006.01); D01D 5/26 (2006.01); D01D 10/02 (2006.01); D01F 1/10 (2006.01); D01F 4/00 (2006.01); D01D 7/00 (2006.01); D01H 1/00 (2006.01); B23K 26/08 (2014.01); B26D 7/08 (2006.01); B29C 69/00 (2006.01); A61L 24/10 (2006.01); D02G 3/02 (2006.01); D21H 17/25 (2006.01); D21H 21/28 (2006.01); A61L 15/32 (2006.01); B26D 7/01 (2006.01);
U.S. Cl.
CPC ...
D01G 1/04 (2013.01); B23K 26/083 (2013.01); B23K 26/0823 (2013.01); B23K 26/0838 (2013.01); B23K 26/0846 (2013.01); B26D 7/086 (2013.01); B29C 69/001 (2013.01); D01D 5/04 (2013.01); D01D 5/26 (2013.01); D01D 7/00 (2013.01); D01D 10/02 (2013.01); D01F 1/10 (2013.01); D01F 2/00 (2013.01); D01F 4/00 (2013.01); D01F 4/02 (2013.01); D01H 1/00 (2013.01); F26B 13/145 (2013.01); F26B 13/183 (2013.01); A61L 15/325 (2013.01); A61L 24/102 (2013.01); B26D 2007/013 (2013.01); B29C 2793/00 (2013.01); B29C 2793/009 (2013.01); B65H 2701/31 (2013.01); D02G 3/02 (2013.01); D21H 17/25 (2013.01); D21H 21/28 (2013.01); Y10T 442/633 (2015.04);
Abstract

The application relates to a method and apparatus for manufacturing a natural fiber based staple fibers. The application further relates to the staple fibers, staple fiber based raw wool and products comprising such. A method comprises providing a cellulose suspension () including water, refined cellulose fibrils and at least one rheology modifier, directing the cellulose suspension through a nozzle () onto a surface (), drying the cellulose suspension onto the surface () for forming a fiber (), and cutting the cellulose suspension on the surface for forming staple fibers ().

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