Patent ID: 6089277
Filing Date: 2000-07-18
Classification: F16L,Y10S

Abstract:
A fuel transporting hose used in a fuel pipe system, comprising:an inner layer comprised of a fluorine-containing resin and having a thickness of 50 .mu.m.about.0.5 mm;an intermediate layer comprised of a rubber material and formed on an outer surface of said inner layer, said intermediate layer having a thickness of 0.6 mm.about.2.0 mm, said thickness of said intermediate layer being 3 to 30 times as that of said inner layer;a fiber reinforcing layer formed on an outer surface of said intermediate layer; andan outer layer comprised of a rubber material and formed on an outer surface of said fiber reinforcing layer, said outer layer having a thickness of 0.5 mm.about.5 mm, said thickness of said outer layer being 3 to 35 times as that of said inner layer,wherein said inner layer is subjected to a surface treatment selected from the group consisting of flame treatment; corona discharge method; sputtering; plasma treatment; and sodium treatment in which said outer surface of said inner layer is activated by removing fluorine therefrom.