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:
Sep. 16, 2025

Filed:

Dec. 26, 2023
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Naoko Omagari, Nagano, JP;

Kensaku Matsuda, Nagano, JP;

Toshizo Nishi, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/732 (2012.01); B01F 25/10 (2022.01); B04C 3/00 (2006.01); D01D 7/02 (2006.01); D21B 1/08 (2006.01);
U.S. Cl.
CPC ...
D04H 1/732 (2013.01); D01D 7/02 (2013.01); D21B 1/08 (2013.01); B01F 25/102 (2022.01); B04C 2003/003 (2013.01);
Abstract

There is provided a dispersion device including: a supply section having a supply pipe for supplying a material containing fibers together with air, and a chamber that has a first swirl flow forming portion forming a first swirl flow of the air containing the material and a second swirl flow forming portion communicating with the first swirl flow forming portion and forming a second swirl flow in a direction opposite to the first swirl flow of the air containing the material and that is coupled to the supply pipe; a dispersion section that has a casing formed with a discharge port for discharging the material, stirs the material in the casing, and discharges and disperses the material from the discharge port into air; and a coupling section having a communication port through which the first swirl flow forming portion and the second swirl flow forming portion communicate with the casing.


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