Multi-layer containers and preforms
US5927525A · kind A · utility
76Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Apr 28, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multi-layer preform for forming multi-layer containers includes an extruded inner barrier layer, said inner layer having an upper portion adapted to be formed into an upper portion of a container, an intermediate portion adapted to be formed into an intermediate portion of a container, an extruded and a base portion adapted to form a base portion of a container. The preform includes an outer injection molded layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.