초록

The fuel tank is suitable especially for oxygen-containing gasoline.

대표청구항 ▼

[ What is claimed is:] [1.] A fuel tank of multi-layer construction for containing gasoline containing oxygen-containing compounds, which comprises:(a) inner and outer layers of high-density polyethylene,(b) intermediate layers of adhesive resin, and(c) a core layer of ethylene-vinylene alcohol copo

[ What is claimed is:] [1.] A fuel tank of multi-layer construction for containing gasoline containing oxygen-containing compounds, which comprises:(a) inner and outer layers of high-density polyethylene,(b) intermediate layers of adhesive resin, and(c) a core layer of ethylene-vinylene alcohol copolymer, wherein a ratio (I/O) is less than about 40/60,wherein I is the total thickness of the layers positioned inside the layer (c), and O is the total thickness of the layers positioned outside the layer (c),wherein the layer (c) has a thickness which satisfies the formula:EQU 0.005.ltoreq.A/B.ltoreq.0.13wherein A is the thickness of the layer (c), and B is the thickness of all of the layers.