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:
Feb. 08, 2005
Filed:
Jul. 26, 2001
Applicants:
Masato Otsuka, Amagasaki, JP;
Hanji Ishikawa, Amagasaki, JP;
Satoshi Suzuki, Shin-Nanyo, JP;
Toshiro Adachi, Shin-Nanyo, JP;
Inventors:
Masato Otsuka, Amagasaki, JP;
Hanji Ishikawa, Amagasaki, JP;
Satoshi Suzuki, Shin-Nanyo, JP;
Toshiro Adachi, Shin-Nanyo, JP;
Assignee:
Nisshin Steel Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L009/00 ;
U.S. Cl.
CPC ...
Abstract
A fuel-filler tube, which is made of a welded pipe of corrosion-resistant austenitic or ferritic stainless steel, has a fuel-supply opening with high dimensional accuracy. The austenitic stainless steel has hardness of 180 HV or less with a work-hardening coefficient of 0.49 or less. The ferritic stainless steel has Lankford value of 1.2 or more with elongation of 30% or more by a uniaxial tensile test.