FUEL TANK
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United States of America Patent
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Issued Date -
May 4, 2023
app pub date -
Mar 16, 2021
filing date -
Mar 17, 2020
priority date (Note) -
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Abstract
The present disclosure provides a fuel-impermeable structural unit for use as a structural element of a fuel tank, including a multi-plies structure made of one or more composite material and polymers, and, a sealing polymeric film structurally bonded to and coating the entire surface of at least one face of the multi-plied structure. The polymeric film is integrated with an underlying external layer of said multi-plies structure, is impermeable to the fuel, is not reactive with the fuel, and can bind to an adhesive for fixing one or more rigid elements thereto.
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