Method of producing packaging containers with low bacteria contamination
US6338235B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2000 |
| Grant date | Jan 15, 2002 |
| Priority date | — |
| Expiry date | Mar 21, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2202/23
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The disclosure relates to a method of producing, from laminated paper/plastic material, a packaging container with low bacteria contamination which is reformed into a tubular container blank and is provided with an end wall by injection moulding of thermoplastic material at a temperature of at least 200° C., whereafter the interior of the container is subjected to a bacteria-reducing treatment based on a chemical reaction and/or bactericidal irradiation and is filled with the desired contents, and also sealed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.