Method of manufacturing containers
US4268336A · kind A · utility
10Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1979 |
| Grant date | May 19, 1981 |
| Priority date | — |
| Expiry date | Apr 2, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/0088
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing retortable cans is taught which includes the step of cable extruding a tube of plastic. Subsequently, a substantially gas-tight material is laminated to the outside of the tube and a plastic layer is laminated to the layer of substantially gas-tight material. Preferably, the gas-tight material comprises a metallic foil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.