Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1990-06-28
1991-07-09
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229 8, 229137, B65D 542
Patent
active
050297511
ABSTRACT:
Pack made from a single-piece board blank, to the inside of which a sealable coating is applied. An edge strip, which extends approximately across half of the two side panels and an adjacent end panel of the pack and the transition of which from the free half of the side panel is at least approximately right-angled, is provided at the top free edge of the pack above a sealed seam.
REFERENCES:
patent: 1157462 (1915-10-01), Van Wormer
patent: 2936940 (1960-05-01), Berghgracht
patent: 4327833 (1982-05-01), Kuchenbecker
patent: 4343402 (1982-08-01), Holmstrom
patent: 4546884 (1985-10-01), Kuchenbecker
Elkins Gary E.
Koatz Ronald A.
Van den Bergh Foods Co. Division of Conopco, Inc.
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