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:
Aug. 30, 2005
Filed:
Jul. 26, 2001
Hanji Ishikawa, Amagasaki, JP;
Shigeru Morikawa, Amagasaki, JP;
Toshirou Nagoya, Shin-Nanyo, JP;
Toshiro Adachi, Shin-Nanyo, JP;
Naoto Hiramatsu, Shin-Nanyo, JP;
Satoshi Suzuki, Shin-Nanyo, JP;
Hanji Ishikawa, Amagasaki, JP;
Shigeru Morikawa, Amagasaki, JP;
Toshirou Nagoya, Shin-Nanyo, JP;
Toshiro Adachi, Shin-Nanyo, JP;
Naoto Hiramatsu, Shin-Nanyo, JP;
Satoshi Suzuki, Shin-Nanyo, JP;
Nisshin Steel Co., Ltd., Tokyo, JP;
Abstract
A fuel tank for a motor vehicle is fabricated from an austenitic stainless steel sheet having elongation of 50% or more after fracture by a uniaxial stretching test with a work-hardening coefficient of 4000 N/mmor a ferritic stainless steel sheet having elongation of 30% or more after fracture with Lankford value of 1.3 or more. The stainless steel sheets are reformed to a complicated shape of a fuel tank without work flaws such as cracks or break-down. Excellent corrosion-resistance of stainless steel itself is maintained in the fabricated fuel tank. Consequently, the proposed fuel tank is used without diffusion of gasoline to the open air over a long term.