Method and device for permanently deforming a flexible film material
US7516598B2 · kind B2 · utility
1Cited by
18References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2004 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Jan 18, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2795/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for permanently deforming a flexible film material, in which the film material is deformed, forming a receptacle depression, the film material being kept under controlled tension while it is being moulded, so that controlled creases are formed in the film material, and a method of manufacturing a product packed in flexible film material, especially a food product, using the method and device for permanently deforming a flexible film material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.