Method for manufacturing multi-barrier layer blow molded containers
US10293539B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2014 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Jun 6, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/70
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods of making containers are provided, including providing a material sheet having at least two barrier layers and at least two polymer layers, forming the material sheet into a tube, sealing the tube at a seal area, and blow molding the tube to form a container in which the at least two barrier layers form a substantially continuous barrier at the seal area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.