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.:
Date of Patent:
Mar. 30, 2021
Filed:
Sep. 26, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Nobumasa Abe, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21B 1/02 (2006.01); D21B 1/32 (2006.01); B03C 1/26 (2006.01); B02C 23/30 (2006.01); B02C 18/14 (2006.01); D21B 1/10 (2006.01); B02C 18/16 (2006.01);
U.S. Cl.
CPC ...
D21B 1/02 (2013.01); B02C 18/141 (2013.01); B02C 23/30 (2013.01); B03C 1/26 (2013.01); D21B 1/10 (2013.01); D21B 1/32 (2013.01); B02C 2018/164 (2013.01);
Abstract
A defibrating device and sheet manufacturing apparatus attract and remove metal fragments when metal fragments are mixed with fibrous material. A defibrating device has a main unit with a defibration section configured to defibrate fibrous material, and a swirl section configured to produce a rotational current, and by the rotational current cause the fibrous material to rotate and flow into the defibration section. The main unit has a magnet unit that is disposed to the swirl section, and has a magnet that attracts by magnetic force metal fragments conveyed with the fibrous material to the swirl section.