Heating and cooling lunch box with intake air opening

DETAILED DESCRIPTION An object of this invention is to provide a heating and cooling lunch box which can eliminate the abovementioned drawbacks and can manage the temperature such as heating the content, cooling the content and accommodating the content at ambient temperature as well as extremely reducing the danger of food poisoning.
Another object of this invention is to provide a heating and cooling lunch box which can contain the content of food to be tastefully eaten by emitting far infrared rays to the contents during heat insulation.
In order to achieve the above objects, there is provided according to the invention a heating and cooling lunch box comprising an outer container, an inner container for forming a heating and heat insulating container and a cooling container engaged with the outer container, heat source and cooling source for heating and/or cooling the heating and heat insulating container and the cooling container, and a cover for closing the upper surface of the inner container.
The above and other related objects and features of the invention will be apparent from a consideration of the following description of the disclosure found in the accompanying drawings and the novelty thereof.