Flexible hose having an aluminum barrier layer to prevent ingestion of oxygen
US6074717A · kind A · utility
28Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1997 |
| Grant date | Jun 13, 2000 |
| Priority date | — |
| Expiry date | Jul 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31696
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flexible hose for use in heating systems has an aluminum barrier layer for preventing ingestion of oxygen. The aluminum barrier layer is securely bonded between two adhesion tubes which are vulcanized in place against the aluminum. Vulcanization is performed in the presence of peroxide. Principal active ingredients of the adhesion tubes are ethylene propylene diene polymethylene and polybutadiene-maleic anhydride adduct resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.