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:
Oct. 11, 2005
Filed:
Feb. 04, 2002
Shunji Sakamoto, Kitakyushu, JP;
Akihiko Takahashi, Kitakyushu, JP;
Michio Kaneko, Futtsu, JP;
Toshio Tanoue, Tokyo, JP;
Kenji Kato, Futtsu, JP;
Naoto Ono, Hikari, JP;
Masao Kikuchi, Tokyo, JP;
Shunji Sakamoto, Kitakyushu, JP;
Akihiko Takahashi, Kitakyushu, JP;
Michio Kaneko, Futtsu, JP;
Toshio Tanoue, Tokyo, JP;
Kenji Kato, Futtsu, JP;
Naoto Ono, Hikari, JP;
Masao Kikuchi, Tokyo, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
The present invention provides a fuel tank or a fuel pipe excellent particularly in the corrosion resistance of the outer surface in a salt damage environment, and is a fuel tank or a fuel pipe excellent in corrosion resistance characterized by: being formed by using a steel sheet or a steel pipe containing Cr of 9.0 to 25.0 mass % as the base material; on the outer surface thereof, having any one or more of welded portions, brazed portions and structurally gapped portions contacting components; and having one or more of metals, whose electrode potential in a 5%-NaCl aqueous solution at 30° C. is −0.4 V or less relative to a saturated calomel electrode, attached to at least a part or parts of said portion(s) of the outer surface in an electrically conductive manner.