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. 28, 2003
Filed:
Jan. 24, 2003
Applicant:
Inventors:
Hiroaki Ito, Kasugai, JP;
Hirokazu Kitamura, Kasugai, JP;
Assignee:
Tokai Rubber Industries, Ltd., Komaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/104 ;
U.S. Cl.
CPC ...
F16L 1/104 ;
Abstract
A fuel hose which satisfies low-permeability requirements in conformity with stringent regulations against vapor emission of fuel gases, is halogen-free and has excellent hydrolysis resistance, inter-layer adhesiveness and low-temperature flexibility. The fuel hose comprises: an innermost layer ( ) comprising a thermoplastic polyester elastomer and having a flexural modulus in a predetermined range; an intermediate layer ( ) comprising a polyester resin and provided around the innermost layer ( ); and an outermost layer ( ) comprising a thermoplastic polybutylene terephthalate elastomer and provided around the intermediate layer ( ).