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:
Oct. 06, 2026
Filed:
Nov. 04, 2022
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Kazuya Mizumoto, Sodegaura, JP;
Yoshihiko Kanda, Ichihara, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/26 (2006.01); B29D 99/00 (2010.01);
U.S. Cl.
CPC ...
B64C 11/26 (2013.01); B29D 99/0025 (2013.01);
Abstract
A blade is provided in which the specific rigidity of a flap part is further increased. This blade has a thick body part and a thin flap part integrally formed in the rear end of the body part. The flap part has a skin material containing a fiber-reinforced thermoplastic resin, and a core material containing a thermoplastic resin foam filled inside the skin material.