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. 12, 2023

Filed:

May. 16, 2022
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Yoshiyuki Nagai, Nagano, JP;

Naoko Omagari, Nagano, JP;

Masahide Nakamura, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 7/00 (2006.01); D21F 1/66 (2006.01); D21F 5/00 (2006.01); D21F 5/18 (2006.01);
U.S. Cl.
CPC ...
D21F 7/003 (2013.01); D21F 1/66 (2013.01); D21F 5/004 (2013.01); D21F 5/18 (2013.01); D21F 7/006 (2013.01);
Abstract

A sheet manufacturing apparatus including an accumulating unit that causes a defibrated product to accumulate in a dry manner and forms a web, a moisture adding unit that adds moisture from a side of one surface of the formed web such that a moisture content of the web is equal to or more than 12 mass % and equal to or less than 40 mass %, and a heating unit that heats the web to which moisture is added. The heating unit has a first portion that comes in contact with the one surface of the web and a second portion that comes in contact with another surface of the web, and the heating unit heats the web in a state of a surface temperature of the first portion being higher than a surface temperature of the second portion.


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