Multi-ply carton, blank and method of forming the blank

摘要

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).