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:
Jan. 31, 2023

Filed:

Nov. 04, 2020
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Yuki Oguchi, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 9/00 (2006.01); D21G 9/00 (2006.01); B27N 3/04 (2006.01); D04H 1/60 (2006.01); D21F 13/00 (2006.01);
U.S. Cl.
CPC ...
D21G 9/0009 (2013.01); B27N 3/04 (2013.01); D04H 1/60 (2013.01); D21F 9/00 (2013.01); D21F 13/00 (2013.01);
Abstract

A sheet manufacturing method includes: a defibrating step of defibrating a raw material containing a fiber in air; a mixing step of mixing a defibrated material defibrated in the defibrating step and a resin in air; a web forming step of forming a web by accumulating the mixture mixed in the mixing step on a moving body; a transporting step of transporting the web; a sheet forming step of forming a sheet from the web; a setting step of setting a thickness of the sheet; and a control step of controlling a moving speed of the moving body and a transporting speed of the web in the transporting step, in accordance with the thickness of the sheet set in the setting step.


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