Envelopes – wrappers – and paperboard boxes – Paperboard box – Box material includes a coating or a nonpaperboard...
Patent
1994-05-27
1996-11-19
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Box material includes a coating or a nonpaperboard...
229 31, 229170, 229939, 428182, B65D 8550
Patent
active
055754180
ABSTRACT:
This invention relates to novel package systems for refrigerated modified atmosphere packaging of fresh fruit, vegetables and cut flowers. More particularly, this invention relates to the design, construction, closure, sealing and use of gas-permeable corrugated paperboard package systems for prolonging the storage life of fresh fruits, vegetables and cut flowers under modified atmosphere in the headspaces of the closed package system. A corrugated gas permeable paperboard comprising: (a) a first layer of Kraft paper; (b) a layer of polymer having a gas permeability which permits gas to be transmitted through the polymeric film at prescribed levels; (c) a second layer of Kraft paper, said first and second layers of Kraft paper sandwiching the polymer between them; (d) a corrugated fluting; and (e) a third layer of Kraft paper affixed to the corrugated fluting.
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R. G. Tomkins, "The Conditions Produced in Film Packages by Fresh Fruits and Vegetables and the Effect of These Conditions on Storage Life", J. appl. Bact., 1962, 25 (2), 290-307.
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Matstoms Bo
Oikarinen Juhani I.
Powrie William D.
Wu Chiu H.
Elkins Gary E.
The University of British Columbia
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