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:
May. 10, 2022
Filed:
Jul. 18, 2017
Aisin Corporation, Kariya, JP;
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Masashi Hattori, Anjo, JP;
Kazumichi Tsukuda, Okazaki, JP;
Hiroyuki Nozaki, Kariya, JP;
Daisuke Kasai, Nukata, JP;
Takuya Watanabe, Toyohashi, JP;
Tetsuya Ohashi, Kitakyushu, JP;
Shouji Toudou, Kitakyushu, JP;
Akira Shiga, Muroran, JP;
AISIN CORPORATION, Kariya, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
Steel materials for continuously variable transmissions sheaves, and methods for manufacturing a continuously variable transmission sheaves, are provided. In the disclosed steel materials for continuously variable transmission sheaves, the steel materials satisfy the following expressions: 13.9≤Fn1≤15.5, and 1.20≤Fn2≤4.35 (in which Fn1=7×Cr−6×Si+4×Mn; and Fn2=Al×N×10).