Multilayer hollow body
US6682795B1 · kind B1 · utility
3Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2000 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Multilayer hollow body made of plastic, especially a fuel tank, having at least two molded multilayer parts welded together to form a multilayer hollow body having a hollow portion formed by a multilayer wall, each of the multilayer parts comprising at least one thermoplastic non-barrier layer and at least one barrier layer which may be comprised of a liquid-crystal polymer (LCP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.