Apparatus and process for packaging a product
US10926904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2015 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Jul 28, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2051/105
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for packaging a product arranged on a support comprising unrolling a film, moving the film to a packaging assembly defining at its inside a packaging chamber, progressively moving a number of supports inside the packaging chamber of the packaging assembly, closing the packaging chamber with the film sheets held above the respective support, optionally causing one or both of: a gas withdrawal from the hermetically closed packaging chamber and gas injection of a gas mixture of controlled composition, heat sealing the film to said support, wherein the heat sealing uses one or more heaters having heating surfaces which are heated for discrete and short time periods only. An apparatus for performing the above process is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.