Food or edible material: processes – compositions – and products – Processes – Packaging or treatment of packaged product
Patent
1988-06-27
1990-04-24
Weinstein, Steven
Food or edible material: processes, compositions, and products
Processes
Packaging or treatment of packaged product
426263, 426396, 426404, 426418, 426112, 426129, 426316, 2062131, 53432, B65B 3104
Patent
active
049199552
ABSTRACT:
A method and apparatus for packaging perishable products is disclosed, said method and apparatus enabling the alteration of the gaseous environment surrounding a given product. The packaging system can be readily prepared for immediate transport and aging, retail display and consumer freezing. The present system comprises a relatively rigid tray which is sealed with a flexible gas impermeable cover, said tray being provided with a resealable septum valve. The tray is also preferably provided with a plurality of protrusions or mounds so as to facilitate gas flow and contact with a given perishable product. The atmosphere in the packaging system may be modified to inhibit bacterial decay of the product and/or to enhance its appearance. Likewise, the package may be prepared for freezing by drawing a substantial vacuum within the packaging system.
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Integrated Total System Modified Atmosphere Packaging for Retail Red Meat Cuts, pp. 121-139 John Sumner, Tony Garwood, Royal Melbourne Institute of Technology, Melbourne Australia, Cap '86.
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Notil Provisioner 1/31/59.
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