Method of aging smoking material by utilizing oak barrel and smoking article manufactured using the same

A method of aging smoking materials for constituting at least a portion of a smoking material portion of a smoking article, the method comprising:

• preparing an oak barrel and the smoking materials;
• putting the smoking materials into an inner space of the oak barrel;
• sealing the oak barrel;
• and
• aging the smoking materials to obtain aged smoking materials,
• wherein in the sealing of the oak barrel, the entire oak barrel is accommodated and sealed in a packing material such that air and moisture inside the packing material do not communicate with outside of the packing material,
• wherein the preparing of the oak barrel includes:
• pouring wine or brandy into the oak barrel;
• sealing the oak barrel that contains the wine or brandy and storing the oak barrel for a predetermined period;
• and
• after the predetermined period elapses, removing the wine or brandy remaining in the oak barrel,
• wherein the aging of the smoking materials is performed at a temperature range of 65° C. to 90° C., and
• wherein the putting of the smoking materials into the oak barrel includes:
• stacking the smoking materials in the inner space of the oak barrel to form a first smoking material layer;
• pressing an upper surface of the first smoking material layer, which is formed by stacking the smoking materials;
• forming a first oak piece layer using oak pieces which include at least one of oak sticks, oak chips, oak plates, and oak sawdust, on the pressed upper surface of the first smoking material layer;
• and
• stacking the smoking materials to cover the first oak piece layer on the upper surface of the first smoking material layer to form a second smoking material layer.