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. 29, 2023
Filed:
Oct. 17, 2018
Nitto Boseki Co., Ltd., Fukushima, JP;
Shunsuke Harashima, Fukushima, JP;
Kazunori Sano, Fukushima, JP;
Norio Hirayama, Chiba, JP;
Kazuhiro Sakata, Chiba, JP;
Nitto Boseki Co., Ltd., Fukushima, JP;
Abstract
An energy absorption member () includes a hollow cylindrical fiber-reinforced composite material including reinforcement fibers (), in which tensile strength S (GPa), tensile modulus of elasticity M (GPa), and elongation rate E (%) satisfy the following expression (1), and a curable resin composition with which the reinforcement fibers () are impregnated. The volume content of the reinforcement fibers () in the fiber-reinforced composite material is 30 to 80%.11.0≤≤22.0  (1)
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile