Disclosed is an internal tube in tanks, in particular in motor vehicle fuel tanks, comprising a fluid duct that is surrounded by a tube wall. The tube wall is composed of at least three layers, an outer layer being based on an aromatic polyamide. A polyamide-based intermediate layer as well as an aromatic polyamide-based inner layer are provided. The tube has a total wall thickness of 0.5 to 3.5 mm.
INTERNAL TANK TUBE AND TANK HAVING AT LEAST ONE INTERNAL TUBE
2018-12-27
Patent
Electronic Resource
English
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |