Bottom securement device for polygonal carton with bottom reinfo

Details Bottom securement device for polygonal carton with bottom reinfo Bottom securement device for polygonal carton with bottom reinfo

1976-09-01

1978-07-11

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

229 23BT, 229 41C, 229 39R, B65D 512

Patent

active

040996646

ABSTRACT:
The bottom securement device is utilized with a polygonal carton constructed from unitary blank of material and having a plurality of side panels and a bottom formed from a plurality of triangularly shaped bottom panels equal in number to the side panels with each bottom panel being hingedly connected to one of the side panels and inclining upwardly from the bottom edge of the side panel to which it is connected. A reinforcing rib is hingedly interconnected between abutting side edges of adjacent bottom panels and extends generally downwardly from the abutting edges of the adjacent bottom panels. The securement device can take one of several forms and is designed to engage the reinforcing ribs thereby to secure them in place and thereby secure the bottom panels in place. One securement device comprises an annular ring which is received in slots in the reinforcing ribs. Another securement device is disc shaped with a plate portion and protrusions projecting upwardly from the plate portion and arranged to fit between and against the reinforcing ribs to secure them and the bottom panels connected thereto in place.

REFERENCES:
patent: 2483464 (1949-10-01), Johnson
patent: 3000496 (1961-09-01), Larson
patent: 3526352 (1970-09-01), Swett
patent: 3563448 (1969-10-01), Croley
patent: 3901431 (1975-08-01), Carlson
patent: 3941300 (1976-03-01), Troth
patent: 3977594 (1976-08-01), Swan

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