초록 ▼

This relates to a closure panel and lock arrangement for cartons of the wrap around type. There are two features. In lieu of the usual primary lock, an outer closure panel is merely provided with divider tabs which extend through suitable apertures in an inner closure panel and extend between articl

This relates to a closure panel and lock arrangement for cartons of the wrap around type. There are two features. In lieu of the usual primary lock, an outer closure panel is merely provided with divider tabs which extend through suitable apertures in an inner closure panel and extend between articles disposed in adjacent rows within the carton. The inner closure panel may be provided with a female locking slot for receiving the divider tab. There is a locking arrangement similar to the customary secondary lock and utilizing a male locking member of the usual type. However, there is provided a separate female locking slot in the inner closure panel immediately adjacent its folded connection to a side panel of the carton with the female locking slot being formed by a single knife arrangement forming cut lines without the removal of material and the shapes of the cut lines being such to provide for automatic opening of the female locking slot when the inner closure panel is folded relative to the adjacent side panel and defining flexible locking ears which will lock behind shoulders of the male locking tab.

대표청구항 ▼

For use in a carton lock of the type including a male locking tab joined to the carton by a narrow neck having a locking shoulder on each side of said neck, an improved lock including a female slot arrangement formed in said carton and comprising a single linearly continuous first cut line having sp

For use in a carton lock of the type including a male locking tab joined to the carton by a narrow neck having a locking shoulder on each side of said neck, an improved lock including a female slot arrangement formed in said carton and comprising a single linearly continuous first cut line having spaced generally aligned portions defining a pair of spaced locking ears and second cut lines intersecting said first cut line at adjacent sides of said ears and extending away from the general line of said first cut line wherein said ears are free to deflect.