Smoking article filter including solid flavoring agent and method of manufacturing the same

Abstract

Some embodiments of the present disclosure provide a smoking article filter having a flavoring agent uniformly distributed in the smoking article filter, which is in a solid state at room temperature and includes at least one natural wax and a flavoring component soaked into the at least one natural wax.

1 . A method of manufacturing a smoking article, the method comprising:
 preparing a flavoring agent in which at least one natural wax and a flavoring component are mixed and melted;   adding the melted flavoring agent into a smoking article filter rod; and   cutting the smoking article filter rod to manufacture smoking article filters,   wherein the melted flavoring agent is formed from the at least one natural wax and the flavoring component in a weight ratio of 4:6 to 6:4, and   wherein the at least one natural wax is formed from cocoa butter and shea butter in a weight ratio of 3:7 to 7:3.   
     
     
         2 . The method of  claim 1 , wherein the adding of the melted flavoring agent into the smoking article filter rod includes spraying the melted flavoring agent into the smoking article filter rod using a jet nozzle. 
     
     
         3 . The method of  claim 2 , wherein, in the preparing of the flavoring agent and the spraying of the flavoring agent, a temperature of the melted flavoring agent is in a range of 30° C. to 80° C., and a viscosity of the melted flavoring agent is in a range of 10 cP to 35 cP. 
     
     
         4 . The method of  claim 1 , wherein the flavoring component includes L-menthol. 
     
     
         5 . The method of  claim 4 , wherein a weight of the at least one natural wax included in the flavoring agent is in a range of 20% to 98% of the total weight of the flavoring agent, a melting point of the at least one natural wax is in a range of 30° C. to 50° C., and a melting point of the flavoring agent is in a range of 25° C. to 45° C. 
     
     
         6 . (canceled) 
     
     
         7 . The method of  claim 1 , further comprising combining a smoking material portion with an upstream end of the smoking article filter by wrapping,
 wherein, in the preparing of the flavoring agent and the adding of the flavoring agent, a temperature of the melted flavoring agent is in a range of 30° C. to 80° C., and   the flavoring agent is in a solid state and has a temperature in a range of 15° C. to 30° C. in the combining of the smoking article filter and the smoking material portion by wrapping.