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:
Jan. 03, 2017
Filed:
Nov. 10, 2011
Applicant:
Kouhei Miyamoto, Hadano, JP;
Inventor:
Kouhei Miyamoto, Hadano, JP;
Assignee:
TOPURA CO., LTD., Hadano-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/04 (2006.01); B21H 3/02 (2006.01); B21K 1/46 (2006.01); F16B 33/00 (2006.01); B23G 5/00 (2006.01); F16B 35/00 (2006.01); C22F 1/05 (2006.01);
U.S. Cl.
CPC ...
C22F 1/04 (2013.01); B21H 3/02 (2013.01); B21K 1/46 (2013.01); B23G 5/00 (2013.01); C22F 1/05 (2013.01); F16B 33/008 (2013.01); F16B 35/00 (2013.01);
Abstract
By changing the timing of applying a heat treatment, a high-strength aluminum based alloy-made fastening part having an unprecedented tensile strength or other strength property and a method for manufacturing of the same are provided. The method is characterized in that an aluminum based alloy-made material is subjected to a solution treatment and is then age-hardened; work hardening is further applied to a shaft portion by drawing thereof in a heading process; and the shaft portion is thereafter subjected to a process of rolling male threads.