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WARMING DEVICES WITH ELASTIC DISPOSED THEREIN AND METHODS OF WARMING

  • US 20070256679A1
  • Filed: 05/08/2007
  • Published: 11/08/2007
  • Est. Priority Date: 04/01/2003
  • Status: Abandoned Application
First Claim
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1. A self-contained, disposable, single-use heat-generating apparatus, comprising:

  • a heat-generating pack comprising;

    a first bag layer having a first surface area;

    a second bag layer having a second surface area, the second bag layer being fixed to the first bag layer, such that the first bag layer and the second bag layer define a plurality of pouches therebetween;

    a heat-generating agent disposed in each pouch, the heat-generating agent arranged and configured to consume air at a predetermined air consumption rate in an exothermic reaction;

    at least one of the first surface area and the second surface area comprises an air permeable surface area having a predetermined airflow rate at which air is introduced to the heat-generating agent, the predetermined airflow rate being arranged and configured to be less than the predetermined air consumption rate such that the heat-generating agent remains substantially evenly distributed within the pouch; and

    an elastic member fixedly attached to at least one of the first surface area and the second surface area, the elastic member extending between two individual pouches.

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