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:
Mar. 22, 2022
Filed:
Feb. 16, 2017
Applicants:
Nhk Spring Co., Ltd., Kanagawa, JP;
Topura Co., Ltd., Kanagawa, JP;
Inventors:
Noriyoshi Kaneda, Kanagawa, JP;
Takeshi Suzuki, Kanagawa, JP;
Kouhei Miyamoto, Kanagawa, JP;
Naoki Horiuchi, Kanagawa, JP;
Assignees:
NHK SPRING CO., LTD., Kanagawa, JP;
TOPURA CO., LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/14 (2006.01); C22C 21/16 (2006.01); C22C 21/18 (2006.01); C22C 21/08 (2006.01); C22C 21/02 (2006.01); C22C 21/00 (2006.01); C22F 1/043 (2006.01); C22F 1/057 (2006.01); F16B 19/06 (2006.01); F16B 35/00 (2006.01); F16B 37/00 (2006.01);
U.S. Cl.
CPC ...
C22C 21/02 (2013.01); C22C 21/00 (2013.01); C22C 21/14 (2013.01); C22C 21/16 (2013.01); C22C 21/18 (2013.01); C22F 1/043 (2013.01); C22F 1/057 (2013.01); F16B 19/06 (2013.01); F16B 35/00 (2013.01); F16B 37/00 (2013.01);
Abstract
An aluminum alloy contains 0.7% to 1.8% of silicon, 0.5% to 2.1% of copper, 0.4% to 1.8% of manganese, 0.6% to 1.6% of magnesium, and 0.1% to 0.7% of zinc in terms of mass ratio and the balance aluminum with inevitable impurities.