Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1993-10-05
1994-09-13
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229138, 229147, 229149, 229159, B65D 566
Patent
active
053461215
ABSTRACT:
A paperboard container which displays particular utility for the packaging of fast food products is formed from a unitary blank of paperboard. The blank, typically, employs an automatic bottom, i.e., a bottom which is automatically formed upon opening the container from a folded or flattened configuration. The container is characterized by side webs between the top edges of the end panels and the top cover panel. Upon folding the top cover panel down to close the container, after being loaded with food, each side web forms a point or apex along its edge, this apex then tucked into a complementary slit in a respective end panel. Each side web is in frictional, surface to surface engagement with a respective end panel. Further, the top closure cover is provided with a friction latch cooperating with the front wall panel to thereby yield three points of frictional engagement to maintain the container in its closed position prior to being opened by the consumer.
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Doyle Michael J.
Elkins Gary E.
International Paper Company
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