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Package for convection heating of food

  • US 4,904,489 A
  • Filed: 07/22/1988
  • Issued: 02/27/1990
  • Est. Priority Date: 07/22/1988
  • Status: Expired due to Fees
First Claim
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1. A package for shipping of food and convection heating of the food when connected to a source of heated forced air comprising:

  • a flexible sheet folded into a bag having sealed top and bottom ends and having at least a first pleated edge connecting the top and bottom ends to allow expansion of the bag;

    a charge of food within the bag;

    a perforation running substantially parallel and adjacent to the sealed top end allowing removal of the sealed to end to provide a partially openable top end for temporary attachment to an outlet from the source of forced heated air for admitting forced air to the bag to form a plenum;

    exhaust holes in the sheet sized to provide a partially restricted outlet for air from the plenum and positioned with respect to the top end to allow circulation of forced air through the plenum; and

    a removable tape for closing the exhaust holes.

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