Radio frequency weldable multi-layer tubing and method of making the same
US10131109B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 2017 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | May 19, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A RF weldable tubing is provided. The tubing has inner layer including a PVDF copolymer, or an ethylene alpha-olefin homopolymer, or an ethylene alpha-olefin polymer that may include a grafted polyethylene. The tubing may have an inter gas barrier layer sandwiched between the outer layer and an outermost layer including a TPU copolymer. The inter gas barrier layer may include an EVOH copolymer. A method of making such a tubing is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.