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:
Apr. 02, 2019
Filed:
Aug. 28, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kazuma Miyazawa, Nagano, JP;
Shigeo Fujita, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21B 1/06 (2006.01); D04H 1/732 (2012.01); D21F 9/00 (2006.01); D04H 1/26 (2012.01); D04H 1/736 (2012.01); D04H 1/72 (2012.01); D21B 1/08 (2006.01); B27N 3/12 (2006.01);
U.S. Cl.
CPC ...
D21B 1/06 (2013.01); D04H 1/26 (2013.01); D04H 1/732 (2013.01); D21F 9/00 (2013.01); B27N 3/12 (2013.01); D04H 1/72 (2013.01); D04H 1/736 (2013.01); D21B 1/08 (2013.01);
Abstract
A drum unit includes a screen with numerous apertures through which airborne material including at least fiber passes, and a cylinder section without apertures, disposed to a rotating cylinder; a housing unit encloses the screen part of the drum unit inside and contacts the cylinder section; and a forming unit forms sheets using material that passes through the apertures.