Multilayer plastic container and method of making the same
US6419874B2 · kind B2 · utility
73Cited by
13References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2001 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | May 21, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The multilayer plastic container comprises a neck portion, a body portion, adjacent the neck portion, forming a cylindrical wall, and a bottom portion adjacent the body portion and opposite the neck portion. The cylindrical wall comprises a first layer of PET, a layer of EVOH adjacent the first layer of PET and a second layer of PET adjacent the layer of EVOH. The EVOH has an average thickness which is greater near the neck portion of the container than near the bottom portion of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.