Refrigerant hose
US6536479B2 · kind B2 · utility
7Cited by
18References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2002 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | May 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S138/07
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hose comprising a core layer, at least one reinforcement layer, and a cover layer, the core layer is comprised of inner and outer core layers, the hose being characterized by the inner core layer and the outer core layer being formed from different non-plasticized polyamides and are co-extruded at the time of formation. The hose has a permeation rate of less than 0.5 g/m/day.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.