Method for making a multi-compartment microwavable package having a permeable wall between compartments
US7458195B2 · kind B2 · utility
10Cited by
18References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2007 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jan 11, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2230/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method for making a multi-compartment microwavable package having one or more open or closed compartments within the package, and method and apparatus for manufacturing the same, constructed by modification to existing vertical form, fill and seal packaging machines. The invention involves producing a multi-compartment bag having an internal permeable wall between compartments from a single sheet of flexible packaging film. A food product can be placed into the first compartment and steam pack can be placed into the second compartment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.