Envelopes – wrappers – and paperboard boxes – Paperboard box
Patent
1974-12-23
1976-06-29
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Paperboard box
229 31R, 229 43, B65D 512
Patent
active
039661121
ABSTRACT:
A two-piece container, for sandwiches and the like, having a paperboard base, which includes a central, polygonal, bottom panel of at least four sides; at least four, upstanding, side wall panels, preferably connected to the sides of the bottom panel; at least four, triangular gusset panels, each gusset panel being located between and foldably connected to two, adjacent, side wall panels; and at least two, downwardly extending, base-locking flaps, foldably connected to the top edges of at least two, non-adjacent, side wall panels; the central, leading edge portions of each base-locking flap being adhesively bonded to the underlying surface of a side wall panel; and each of the gusset panels being folded so that it lies substantially flat against a surface of a side wall and is overlain by a base-locking flap. The top edges of each gusset panel are substantially colinear with the lateralmost, lateral edge portions of an overlying, base-locking flap. In this container, the base can also include at least two, outwardly and downwardly extending, lid-locking flaps, foldably connected to the top edges of at least two other, non-adjacent, side wall panels; and the container can further include a lid, covering the base, which has a central, polygonal, top panel of at least four sides; at least four, downwardly extending, side wall panels, connected to the sides of the top panel and overlying a portion of the outer surfaces of the side wall panels of the base; and at least two, inwardly and upwardly extending, lid-locking flaps, foldably connected to the bottom edges of at least two, side wall panels of the lid; the leading edges of the lid-locking flaps on the base extending outwardly of the leading edges of the lid-locking flaps on the lid.
REFERENCES:
patent: 987280 (1911-03-01), Bachmann
patent: 2071949 (1937-02-01), Reich
patent: 2073272 (1937-03-01), Wellman
patent: 2085038 (1937-06-01), Perreton
patent: 2234193 (1941-03-01), Peters
patent: 3423008 (1969-01-01), Mykleby
patent: 3542569 (1970-11-01), Farquhar
patent: 3670951 (1972-06-01), Smith
patent: 3833113 (1974-09-01), Osier
International Paper Company
Moorhead Davis T.
Schapira Ronald A.
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