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.

Date of Patent:
Dec. 22, 2020

Filed:

Sep. 20, 2016
Applicants:

Ykk Corporation, Tokyo, JP;

National University Corporation University of Toyama, Toyama, JP;

Inventors:

Tatewaki Ido, Toyama, JP;

Tetsuya Katsumi, Toyama, JP;

Koichi Mikado, Toyama, JP;

Yasuharu Yoshimura, Toyama, JP;

Kenji Matsuda, Toyama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/14 (2006.01); C22C 21/16 (2006.01); A44B 19/02 (2006.01); C22F 1/047 (2006.01); C22F 1/057 (2006.01); C22C 21/08 (2006.01); C22F 1/00 (2006.01);
U.S. Cl.
CPC ...
C22C 21/14 (2013.01); A44B 19/02 (2013.01); C22C 21/08 (2013.01); C22C 21/16 (2013.01); C22F 1/047 (2013.01); C22F 1/057 (2013.01); C22F 1/00 (2013.01);
Abstract

Provided is an aluminum alloy element for a slide fastener, which has improved strength and abrasion resistance. The element for the slide fastener includes a base material of an aluminum alloy having a composition represented by a general formula: AlSiCuMgTiBin which a, b, c, d, e and f each represents % by mass; a is a balance; 0.2≤b≤0.8, 0.8≤c≤1.8, 0.8≤d≤1.8, 0<e≤0.05, and 0<f≤0.01; and unavoidable impurity elements may be contained; the aluminum alloy comprising, dispersed therein, precipitates containing at least one element selected from a group consisting of Al, Si, Cu and Mg, the element for the slide fastener comprising a pair of leg portions and a head portion that connects the pair or leg portions and comprises a convex portion and a concave portion for engagement.


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