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:
Aug. 23, 2022
Filed:
Sep. 04, 2020
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Yoko Tokuno, Ota, JP;
Ikuo Uematsu, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/552 (2012.01); D04H 1/728 (2012.01); D04H 1/74 (2006.01); D01D 5/00 (2006.01); D01D 10/06 (2006.01);
U.S. Cl.
CPC ...
D04H 1/552 (2013.01); D01D 5/003 (2013.01); D01D 5/0092 (2013.01); D01D 10/06 (2013.01); D04H 1/728 (2013.01); D04H 1/74 (2013.01);
Abstract
According to one embodiment, a fiber sheet includes a plurality of fibers. The plurality of fibers are in a closely-adhered state. All of the following (1) to (3) are satisfied, where F1 is a tensile strength in a first direction, and F2 is a tensile strength in a second direction orthogonal to the first direction: (1) F2>F1; (2) F1 is 1 MPa or more; and (3) F2/F1 is 2 or more.