Container with integral module for heating or cooling the conten

Details Container with integral module for heating or cooling the conten Container with integral module for heating or cooling the conten

1997-03-07

1998-09-22

Doerrler, William

Refrigeration

Chemical reaction or solids dissolving

62371, 12626301, 12626308, F25D 500

Patent

active

058097864

ABSTRACT:
A container having a container body, a thermic module at one end of the body, and a closure at the other end, heats or cools its contents by initiating a chemical reaction inside the thermic module when a user activates the container. The thermic module may include a module cap and a module body. Two reactants, such as calcium oxide and water, are retained in portions of the thermic module and separated by a barrier that is punctured when a user activates the container, thus allowing them to mix. The cap may have vent channels between surfaces of the module cap and the module body that allow gases to vent, yet prevent escape of unsightly solid particles. A filter ring may be included in the path of each vent channel to further prevent such escape. The solid reactant may be contained in a porous bag in the thermic module to still further minimize leakage of particles. The container body may have double-walled construction, with a vacuum space between the inner and outer walls to slow heat transfer after the contents have reached the intended temperature. To facilitate use of the container, the container body may include instructions that can be read by a user when the container is inverted.

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