Patent ID: 6679297
Filing Date: 2004-01-20
Classification: F16L

Abstract:
A hose for fuel transportation comprising:an inner layer which is a fluororesin layer having electrical conductivity and comprising a fluororesin selected from the group consisting of ethylene/tetrafluoroethylene copolymer, ethylene/tetrafluoroethylene/(perfluorobutyl)ethylene copolymer, and mixtures thereof; and an outer layer which is a fluororesin layer having no electrical conductivity and comprising a fluororesin selected from the group consisting of ethylene/tetrafluoroethylene copolymer, ethylene/tetrafluoroethylene/(perfluorobutyl)ethylene copolymer, and mixtures thereof; wherein the fluororesin layer in the inner layer includes a material having electrical conductivity, which material comprises carbon black; wherein said outer layer is the outermost layer of said hose, and wherein the fluororesin in at least one of the layers is ethylene/tetrafluoroethylene/(perfluorobutyl)ethylene copolymer.