Low permeation polybutylene terephthalate and polybutylene naphthalate fuel and vapor tubes
US6591871B2 · kind B2 · utility
19Cited by
19References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tubular structure exhibiting fuel and vapor impermeability properties for use as a fuel transport hose, wherein the hose is constructed of a polyalkylene terephthalate material or a polyalkylene naphthalate material, wherein the polyalkylene terephthalate or the polyalklyene naphthalate material extends throughout the entire wall structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.