Multi-ply carton, blank and method of forming the blank
US5845841A · kind A · utility
6Cited by
12References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 1996 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Oct 2, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A multiply carton tray base or lid comprising a paperboard substrate (S) to which an outer sheet material (16) is secured. The tray has a main panel (m) across which the sheet material is stretched so that it is normally out of contact with a substantial part of the main panel and is secured to the tray only at locations internally of the carton side panels (s) and end panels (e) and not at all to the main panel (m).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.