Multilayer tube for guiding fuel fluid and method of manufacturing same
US10724659B2 · kind B2 · utility
1Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2018 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Feb 14, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer tube for guiding fuel fluid or brake fluid. The multilayer tube comprises an outer protection layer, a barrier layer radially within the outer protection layer, an intermediate layer radially within the barrier layer, and an inner layer radially within the intermediate layer. At least two of the layers are co-extruded layers. Each of the barrier layer and the inner layer comprises a partially aromatic polyamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.