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. 09, 2022
Filed:
Sep. 19, 2018
Applicant:
Tomoegawa Co., Ltd., Tokyo, JP;
Inventors:
Hideki Moriuchi, Shizuoka, JP;
Hiroshi Kitahara, Shizuoka, JP;
Masanori Takahata, Shizuoka, JP;
Masanori Morinaga, Shizuoka, JP;
Tomoki Furue, Shizuoka, JP;
Assignee:
Tomoegawa Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 25/00 (2006.01); D21H 11/00 (2006.01); D21H 13/10 (2006.01); D21H 11/04 (2006.01); B32B 37/10 (2006.01); B32B 37/26 (2006.01); D21H 11/12 (2006.01); D21H 13/24 (2006.01);
U.S. Cl.
CPC ...
D21H 11/04 (2013.01); B32B 37/10 (2013.01); B32B 37/26 (2013.01); D21H 11/00 (2013.01); D21H 11/12 (2013.01); D21H 13/10 (2013.01); D21H 13/24 (2013.01); D21H 25/005 (2013.01);
Abstract
A thermoplastic fiber sheet includes at least cellulosic fibers and thermoplastic resin fibers having a softening temperature of 100 to 140° C. A weight ratio of the cellulosic fibers to the thermoplastic resin fibers (the cellulosic fibers: the thermoplastic resin fibers) is 4:6 to 2:8, and porosity is 20 to 70%.