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:
Mar. 23, 2021

Filed:

Jul. 05, 2019
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Nao Kobayashi, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 7/06 (2006.01); D21F 3/02 (2006.01); D21F 2/00 (2006.01); D21F 1/00 (2006.01);
U.S. Cl.
CPC ...
D21F 7/06 (2013.01); D21F 1/0027 (2013.01); D21F 2/00 (2013.01); D21F 3/02 (2013.01);
Abstract

Provided is technology enabling appropriately maintaining or adjusting the thickness of accumulated fiber when accumulating and processing fiber. A sheet manufacturing apparatushas a distributorthat distributes a mixture MX containing fiber; a second web formerthat forms a second web W; a mesh beltthat conveys the second web Win a conveyance direction F; a roller unitthat compresses the second web W; a measurement devicethat measures the distribution of the thickness of the second web Win a second direction intersecting the conveyance direction Fwhile the second web Wis being compressed by the roller unit, or after the second web Wis compressed by the roller unit; and a controllerthat compares a measurement from the measurement devicewith a set thickness distribution, and controls the thickness distribution of the second web W


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