Polyamide-based pipes for conveying petrol
US6177162A · kind A · utility
20Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1996 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Mar 11, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a pipe with an internal layer, which includes a mixture of polyamide and of polyolefin with a polyamide matrix, an external layer, which includes a polyamide, and optionally an EVOH layer between the said external and internal layers. These pipes are particularly impervious to alcohol-containing petrols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.