Folding carrier carton including split cover closure, removable trays and blanks for making same
US4530459A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1983 |
| Grant date | Jul 23, 1985 |
| Priority date | — |
| Expiry date | Sep 16, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/942
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A collapsible, carrier carton comprises a split cover, overlay closure with self-erecting handles and a side panel/web flange lock. This web lock permits secure locking of the split cover closure into a flattened and closed configuration and secures the removable upper tray(s) in a locked position. The split cover closure includes opposite side member panels having self-erecting, interlocking male and female handles. One of these side member panels is of a greater than the other to permit a split cover closure overlap which prevents contamination of the container interior when the side panels are closed. The split cover closure also includes outwardly and downwardly folding, notched-out web flaps with alignment holes. Each of these web flaps interlocks in a corresponding contour-crease, inwardly biased, side panel, knife-cut web lock. The carrier carton includes removable upper trays with vent holes. Connected to either end of said trays are end walls and foldably connected, triangularly shaped web flanges alignment holes. These removable tray web flanges align with the corresponding split cover closure web flaps for locking engagement in the carrier carton side panel web locks. Th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.