Patent ID: 6289889
Filing Date: 2001-09-18
Classification: A61F,B65D,F24V

Abstract:
A self-heating package for heating a product which comprises(a) a heater comprising:a first non-porous compartment containing a predetermined amount of activating solution, the first compartment having a flexible wall;a second non-porous compartment adjacent the first compartment containing a predetermined amount of a heat-producing composition the second compartment having a flexible wall; anda frangible seal formed between and separating said first and second compartments that can be ruptured by pressure applied by hand to allow activating solution in the first compartment to contact the heat-producing composition in the second compartment thereby generating heat; and(b) a flexible product container wherein a surface of the heater forms at least a portion of the product container and wherein the heater when activated transfers heat to the product or to the product in the container.