Envelopes – wrappers – and paperboard boxes – Paperboard box – Having means to facilitate opening the box by severing box...
Patent
1993-08-11
1995-01-03
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Having means to facilitate opening the box by severing box...
206264, 229930, B65D 554
Patent
active
053779053
ABSTRACT:
The packaging box is made from a one-piece blank and comprises a receptacle portion and a lid portion bounded by perforation lines made in the receptacle portion. A closure flap is fixed to the lid portion. The box is opened for the first time by acting upon this flap to separate the perforated lid portion from the rest of the receptacle portion. When the box is reclosed, the lid portion is kept shut by inserting the closure flap into the box. The packaging box is fluid-tight after manufacture so that no additional wrapping sheet is needed. The blank may be made of thin cardboard and may be provided with a self-sealing coating.
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The Wiley Encyclopedia of Packaging Technology, John Wiley & Sons, pp. 150, 151 (1986).
Elkins Gary E.
Glenn Charles E. B.
Osborne Kevin B.
Philip Morris Incorporated
Schardt James E.
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