Radio frequency weldable multilayer tubing and method of making the same
US9682526B2 · kind B2 · utility
2Cited by
6References
62Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 2008 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Jan 1, 2031 |
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.