System and method for forming carton blanks
US5783030A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1996 |
| Grant date | Jul 21, 1998 |
| Priority date | — |
| Expiry date | Jan 17, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Apparatus and method for forming a laminate comprising a relatively rigid material having an inner surface with at least one portion thereof comprising a central body portion and wherein the central body portion of a relatively flexible material, preferably fluid impervious, is secured to the central body portion of the relatively rigid material and the relatively flexible material has opposite edge portions not secured to other portions of the inner surface and to carton blanks formed therefrom. In some instances strips of another relatively flexible material are secured to the opposite edge portions but are not secured to the inner surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.