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:
May. 21, 2019

Filed:

Mar. 20, 2015
Applicants:

Nhk Spring Co., Ltd., Yokohama-shi, JP;

Topura Co., Ltd., Hadano-shi, JP;

Inventors:

Toshio Kazama, Kanagawa, JP;

Takeshi Suzuki, Kanagawa, JP;

Shigeto Mori, Kanagawa, JP;

Assignees:

NHK Spring Co., Ltd., Yokohama-shi, JP;

TOPURA CO., LTD., Hadano-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 35/04 (2006.01); F16B 33/00 (2006.01); F16B 33/06 (2006.01); C22C 21/06 (2006.01); C22C 21/10 (2006.01); B32B 15/01 (2006.01);
U.S. Cl.
CPC ...
F16B 33/00 (2013.01); B32B 15/016 (2013.01); C22C 21/06 (2013.01); C22C 21/10 (2013.01); F16B 33/06 (2013.01);
Abstract

A fastening member includes a first alloy portion and a second alloy portion. The first alloy portion is made of an aluminum alloy including 0.005 wt % to 5.0 wt % zinc and 0.6 wt % to 2.0 wt % magnesium and is provided to a part that comes into contact with at least one of a plurality of members serving as a fastening target. The second alloy portion is made of an aluminum alloy including more than 2.0 wt % and 5.0 wt % or less magnesium and more than 5.0 wt % and 10 wt % or less zinc and is joined to the first alloy portion.


Find Patent Forward Citations

Loading…