Patent ID: 8765242

Claim:
A plastic fuel tank including a tank assembly and a filler neck, comprising: an ethylene/vinyl alcohol layer for preventing fuel seepage; an outermost polyethylene layer disposed on one side of the ethylene/vinyl alcohol layer; and an innermost layer disposed on another side of the ethylene/vinyl alcohol layer, wherein the outermost polyethylene layer and the innermost layer comprise a high-density polyethylene layer admixed with an ultraviolet inhibitor for minimizing transmission of ultraviolet light, wherein the ultraviolet inhibitor is titanium oxide which acts as a white colorant, and is added in a compounding ratio within a range of from 0.04 to 0.50 wt %, and wherein the tank assembly is provided to a general-purpose engine, the tank assembly having a protrusion protruding from a center part of the tank assembly, said protrusion being fittable into a recoil starter cover of the general-purpose engine.