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:
May. 02, 2017
Filed:
Apr. 03, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kazuma Miyazawa, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21D 5/24 (2006.01); D21D 5/06 (2006.01); D21B 1/06 (2006.01); B27N 3/04 (2006.01); B07B 1/26 (2006.01);
U.S. Cl.
CPC ...
D21D 5/24 (2013.01); B07B 1/26 (2013.01); B27N 3/04 (2013.01); D21D 5/06 (2013.01);
Abstract
A sheet manufacturing apparatus includes a defibrating unit configured to defibrate a stock material including fibers, a screening unit configured to allow a defibrated material that has been defibrated at the defibrating unit to pass through a plurality of openings, and a forming unit configured to form a sheet by using a passed material that has passed through the openings. The screening unit has a sieve unit having the openings, and a transferring unit that is located below the sieve unit and with which the cross-sectional area of an internal space in a horizontal direction decreases going downward.