Method and a packaging apparatus for forming sealed partially-filled packages
US11912448B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2019 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Jul 7, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B57/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for forming sealed partially-filled packages filled with a pourable product comprises at least forming a tube from a web of packaging material, filling the pourable product into the tube for forming a product column within the tube, directing a sterile gas into the product column for forming and/or maintaining a gas cushion within the product column, and forming and transversally sealing the tube, for obtaining the packages containing the pourable product and a gas space formed from a defined volume of the sterile gas originating from the gas cushion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.