Line system for fluids and gases in a fuel cell

Abstract

A component of a line system of a fuel cell, comprises: a) an innermost layer I, which is in contact with the conveyed fluid and is comprised of a polyester molding composition, and, b) at least one other layer present which is selected from the group consisting of: i) a layer II comprised of a polyamide molding composition, ii) a layer III comprised of a molding composition comprised of a functionalized polyolefin, iii) a layer IV comprised of a polyolefin molding composition in which the polyolefin is not functionalized, and iv) a layer V comprised of an EVOH molding composition.

Dependencies are inferred from the claim text.