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.:

US 9593796 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 14, 2017

Filed:

Dec. 13, 2012
Applicant:

Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;

Inventors:

Kouichi Okamoto, Tokyo, JP;

Hiroshi Takebayashi, Tokyo, JP;

Yoshitaka Soga, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 1/00 (2006.01); C23C 2/00 (2006.01); F16L 58/08 (2006.01); C23C 2/02 (2006.01); C23C 2/06 (2006.01); C23C 2/38 (2006.01); C22C 18/00 (2006.01); F16L 9/02 (2006.01); C23C 2/28 (2006.01);
U.S. Cl.
CPC ...
F16L 58/08 (2013.01); C22C 18/00 (2013.01); C23C 2/02 (2013.01); C23C 2/06 (2013.01); C23C 2/28 (2013.01); C23C 2/38 (2013.01); F16L 9/02 (2013.01);
Abstract

There are provided a hot-dip galvanized steel pipe in which the plating layer thereof is less liable to peel off even if the steel pipe is worked, and a method of manufacturing the hot-dip galvanized steel pipe. The hot-dip galvanized steel pipe includes a steel pipe and the plating layer formed on the surface of the steel pipe. Throughout the entire depth of plating layer, the fn defined by the following formula is at least 99.9:=Fe+Al+Znwhere, the symbol of an element in the formula represents the content (mass %) of that element in the plating layer.


Find Patent Forward Citations

Okamoto, Kouichi. (2017). Hot-dip galvanized steel pipe and method of manufacturing the same (U.S. Patent No. 9593796). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9593796

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