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:
Apr. 02, 2019
Filed:
Jul. 11, 2016
Nitto Chemical Co., Ltd., Tokyo, JP;
Kazuhiro Takaishi, Tokyo, JP;
Takehiro Miyazawa, Tokyo, JP;
Yoshio Tamura, Tokyo, JP;
Takuhiko Ohashi, Tokyo, JP;
Masashi Suematsu, Tokyo, JP;
Osamu Hatsumi, Tokyo, JP;
Tadashi Kimura, Tokyo, JP;
Makoto Ide, Tokyo, JP;
Isao Naganuma, Saitama, JP;
Marco Volpato, Milan, IT;
Maurizio Corti, Milan, IT;
Tetsuya Matayoshi, Chiba, JP;
Kouei Miyazato, Chiba, JP;
Shinichi Suzuki, Tokyo, JP;
Nobuo Okamura, Tokyo, JP;
Kozo Hatsumi, Tokyo, JP;
Hiromi Hasegawa, Kanagawa, JP;
Nitto Chemical Co., Ltd., Tokyo, JP;
Abstract
In a configuration of a method for preventing progression of corrosion in a steel pipe structure according to the present invention, two or more types of liquidsare injected, while being mixed, into a steel pipe that constitutes the steel pipe structure, from an opening at one of both ends of the steel pipe, and the inside of the steel pipe is filled with resin foam product (foam product) by foam expansion and hardening of the two or more types of liquids.