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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 9738978 B1

PDFFull Text
Date of Patent:
Aug. 22, 2017

Filed:

Jun. 14, 2016

Method of manufacturing a steel sheet for containers

Applicant:

Jfe Steel Corporation, Tokyo, JP;

Inventors:

Takeshi Suzuki, Chiba, JP;

Norihiko Nakamura, Chiba, JP;

Yuka Miyamoto, Kanagawa, JP;

Yoichi Tobiyama, Okayama, JP;

Assignee:

JFE STEEL CORPORATION, Tokyo, JP;

Attorney:

Young & Thompson

Primary Examiner:

Michael E La Villa

Int. Cl.
CPC ...
C23C 22/83 (2006.01); C23C 22/73 (2006.01); C23C 22/78 (2006.01); C23C 22/82 (2006.01); C23C 10/28 (2006.01); C23C 22/34 (2006.01); C23C 28/00 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C25D 5/12 (2006.01); C25D 5/36 (2006.01); C25D 5/50 (2006.01); C25D 11/34 (2006.01); C23C 22/07 (2006.01); C23C 22/00 (2006.01); C23C 22/36 (2006.01); C23C 22/62 (2006.01); C23C 22/05 (2006.01); B32B 1/08 (2006.01); B32B 15/09 (2006.01); B32B 15/18 (2006.01); C25D 5/48 (2006.01); C23C 22/77 (2006.01);
U.S. Cl.
CPC ...
C23C 22/83 (2013.01); B32B 1/08 (2013.01); B32B 15/09 (2013.01); B32B 15/18 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 8/0263 (2013.01); C21D 8/0278 (2013.01); C21D 9/46 (2013.01); C23C 10/28 (2013.01); C23C 22/00 (2013.01); C23C 22/05 (2013.01); C23C 22/07 (2013.01); C23C 22/34 (2013.01); C23C 22/36 (2013.01); C23C 22/361 (2013.01); C23C 22/62 (2013.01); C23C 22/73 (2013.01); C23C 22/77 (2013.01); C23C 22/78 (2013.01); C23C 22/82 (2013.01); C23C 28/00 (2013.01); C23C 28/321 (2013.01); C23C 28/322 (2013.01); C23C 28/325 (2013.01); C23C 28/34 (2013.01); C23C 28/3455 (2013.01); C25D 5/12 (2013.01); C25D 5/36 (2013.01); C25D 5/48 (2013.01); C25D 5/505 (2013.01); C25D 11/34 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2255/06 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2439/66 (2013.01); Y10T 428/12569 (2015.01);
Abstract

A manufacturing method for steel sheets for containers produces steel sheets with excellent film adhesion qualities. This steel sheet for containers has, on a steel sheet, a chemical conversion coating with a metal Zr content of 1-100 mg/m, a P content of 0.1-50 mg/m, and an F content of no more than 0.1 mg/m, upon which is formed a phenolic resin layer with a C content of 0.1-50 mg/m. Moreover, the manufacturing method for steel sheets for containers is a method for obtaining the steel sheet for containers wherein the chemical conversion coating is formed on the steel sheet by subjecting the steel sheet to immersion in or electrolytic treatment with a treatment solution containing Zr ions, phosphoric acid ions, and F ions; and subsequently, the steel sheet upon which the chemical conversion coating has been formed is immersed in, or undergoes topical application of, an aqueous solution containing phenolic resin, then dried.

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