Method of forming a paper container and related materials
US12234059B2 · kind B2 · utility
0Cited by
8References
53Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2021 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Oct 5, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2120/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Materials for coating paper sleeve blanks are provided, wherein the paper sleeve blank includes a multilayer coating. The multilayer coating includes a barrier layer and a top coat. At least two polymeric layers, including a top coat, are added to one side of the paper sleeve blank and the bottom blank. A container forming machine wraps and seals the multilayer coated paper sleeve blank to the coated bottom blank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.