Fuel tank having a multilayer structure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 2, 2002
app pub date -
Feb 13, 2001
filing date -
Feb 7, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An automotive plastic fuel tank with a wall having a structural layer of HDPE and a hydrocarbon fuel barrier layer of an EVOH based material with a binder layer between them. The barrier layer prevents the passage of hydrocarbons through the wall to the atmosphere. The barrier layer is on an exterior face of the wall and preferably on the interior of the tank in direct contact with fuel therein. Preferably, the barrier includes a layer of polyamide (A) or a mixture of polyamide (A) and polyolefin (B).
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