Patent · US Active

Multilayer motor vehicle pipeline

US11976751B2 · kind B2 · utility

0Cited by

8References

20Claims

0Family size

Assignee

TI Automotive (Fuldabrück) GmbH · DE

Inventors

Martin Schramowski · Kassel, DE
Andre Häckel · Naumburg, DE

Key dates

Filing date	Mar 3, 2023
Grant date	May 7, 2024
Priority date	—
Expiry date	Mar 3, 2043

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Multilayer motor vehicle tube for conducting at least one fluid medium, wherein the tube comprises a fluid duct and a tube wall that surrounds the fluid duct. The tube wall is multilayered and comprises at least three layers, specifically having the following layer composition. An external layer is provided that consists of at least one polyamide, in particular of at least one aliphatic polyamide. Furthermore, an adhesion-promoting layer is provided and an internal layer consisting of at least one thermoplastic elastomer. At least one barrier layer is also provided that consists of at least 96% by weight of polypropylene. The overall layer thickness d of the tube wall is from 0.3 to 3.0 mm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.