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. 12, 2022
Filed:
Aug. 21, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yoshiyuki Nagai, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 1/02 (2006.01); D21F 3/02 (2006.01); D21F 3/08 (2006.01); D21F 5/02 (2006.01); D21G 1/00 (2006.01); B08B 1/00 (2006.01);
U.S. Cl.
CPC ...
B08B 1/02 (2013.01); B08B 1/008 (2013.01); D21F 3/0281 (2013.01); D21F 3/08 (2013.01); D21F 5/022 (2013.01); D21G 1/0073 (2013.01);
Abstract
A sheet manufacturing apparatus includes: a second web former that forms a web of defibrated substances obtained by defibrating a raw material containing fibers; and a sheet former that forms a sheet of the web formed by the second web former. The sheet former has a former roller unit and a cleaning unit that has an oil impregnated web for cleaning a roller surface of the former roller unit.
Nagai, Yoshiyuki. (2022). Sheet manufacturing apparatus (U.S. Patent No. 11298725). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11298725
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile