Patent ID: 6652939
Filing Date: 2003-11-25
Classification: F16L,Y10T

Abstract:
A fuel transport tube having improved fuel vapor permeation, said tube comprising:an inner conductive nylon tubular structure having an inner surface and an outer surfaces wherein said inner conductive nylon tubular structure has a thickness of about 0.2 to 2.0 mm; an aluminum barrier layer having an inner surface and an outer surface disposed on the outer surface of said inner nylon tubular structure by helical winding or by tensional radial curling, wherein said aluminum barrier layer has a thickness of about 0.02 to 1.5 mm; and a non-conductive thermoplastic layer having an inner surface and an outer surface disposed on the outer surface of said aluminum layer, wherein said non-conductive thermoplastic layer has a thickness of about 0.25 to 1.5 mm.