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:
Jun. 07, 2022
Filed:
May. 09, 2018
Bridgestone Corporation, Tokyo, JP;
Masamichi Hikosaka, Higashi-Hiroshima, JP;
Kiyoka Okada, Higashi-Hiroshima, JP;
Kenichiro Iwasaki, Tokyo, JP;
Kei Yasui, Tokyo, JP;
Katsuomi Tanahashi, Tokyo, JP;
Katsumi Nabeshima, Tokyo, JP;
Mai Ishikawa, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
The present invention achieves higher performance (improvement in, for example, heat resistance, durability, and mechanical characteristics) of polyamide resin by a method which is not dependent on a combination with fibers. According to an embodiment of a polyamide resin member of the present invention, the polyamide resin member contains nano-oriented crystals of polyamide 66, and has a high heatproof temperature (T≈278° C.) and a high melting point (T≈282° C.).