Bag for microwave cooking

  • US 5,488,220 A
  • Filed: 07/29/1994
  • Issued: 01/30/1996
  • Est. Priority Date: 07/29/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A bag for popping popcorn in a microwave oven, comprising:

  • a pair of substantially rectangularly shaped front and back face panels having top and bottom ends and opposite side edges;

    a pair of opposite side panels coterminous in length with the face panels and joining the opposite side edges of the front and back face panels, said side panels each having a longitudinal accordion pleat therein defining longitudinally extending gusset folds in the side panels;

    bag closure means securing the top and bottom ends of the front and back face panels and the gusseted side panels together to close and seal the top and bottom ends of the bag, forming a cooking chamber inside the bag;

    said gusseted side panels being expandable about the folds therein during cooking of food in the bag to enlarge the interior volume of the bag, and when unfolded to the expanded position, forming triangularly shaped corner flaps at the junctures of the gusseted side panels and the front and back face panels, respectively, said corner flaps each having a folded edge extending diagonally from the respective side panel toward the adjacent closed end of the bag, and having confronting, contiguous, triangularly shaped surface portions between the respective side panel and the adjoining front and back face panels; and

    attachment means joining the confronting surface portions between the side panels and at least one of the front and back face panels at least at one end of the bag immediately adjacent the diagonal folded edge and spaced from the adjacent bag closure means to hold the confronting surface portions in contiguous relationship when the bag is fully expanded, thereby preventing the formation of pockets or spaces between the confronting surface portions in which food might otherwise collect.

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