Conical filter sleeve with a filter comprising activated carbon

Abstract

A factory prefabricated filter sleeve which is filled with a smoking product. The factory prefabricated filter sleeve includes a conical paper sleeve and a filter which has an activated carbon.

What is claimed is: 
     
         1 - 10 . (canceled) 
     
     
         11 . A factory prefabricated filter sleeve which is configured to be filled with a smoking product, the factory prefabricated filter sleeve comprising:
 a conical paper sleeve; and   a filter which comprises an activated carbon.   
     
     
         12 . The factory prefabricated filter sleeve as recited in  claim 11 , wherein the filter is cylindrical. 
     
     
         13 . The factory prefabricated filter sleeve as recited in  claim 11 , wherein the filter is non-positively connected to the paper sleeve. 
     
     
         14 . The factory prefabricated filter sleeve according as recited in  claim 13  wherein,
 the filter further comprises an edge-side region and a smoking product-side region, 
 the edge-side region is arranged without play in the conical paper sleeve, and 
 the smoking product-side region is arranged with play in the conical paper sleeve. 
 
     
     
         15 . The factory prefabricated filter sleeve according as recited in  claim 14 , wherein,
 the filter further comprises an edge-side end piece, a smoking product-side end piece, and a sleeve,   at least one of the edge-side end piece and the smoking product-side end piece is/are configured to be dimensionally stable, and   at least one of the edge-side end piece and the smoking product-side end piece comprise(s) a ceramic material.   
     
     
         16 . The factory prefabricated filter sleeve according as recited in  claim 11 , further comprising:
 a stop which is configured to prevent the filter from slipping out of the conical paper sleeve.   
     
     
         17 . The factory prefabricated filter sleeve according as recited in  claim 16 , wherein,
 the filter further comprises an edge-side region, and   the stop comprises the conical paper sleeve projecting beyond the edge-side region of the filter.   
     
     
         18 . The factory prefabricated filter sleeve according as recited in  claim 11 , further comprising:
 a first end having a first diameter of approximately 8 mm; and   a second end having a second diameter of between approximately 9 mm and approximately 14 mm, or   a first end having a first diameter of approximately 6 mm; and   a second end having a second diameter of between approximately 7 mm and approximately 12 mm.   
     
     
         19 . The factory prefabricated filter sleeve according as recited in  claim 18 , wherein the second diameter of the second end is end is approximately 10 mm or approximately 8 mm. 
     
     
         20 . The factory prefabricated filter sleeve according as recited in  claim 11 , wherein the conical paper sleeve has an opening angle which is smaller than 2°. 
     
     
         21 . The factory prefabricated filter sleeve according as recited in  claim 11 , wherein,
 the factory prefabricated filter sleeve has a total length of between 9 cm and 20 cm, and   the filter has a filter length of between 15 mm and 50 mm.   
     
     
         22 . The factory prefabricated filter sleeve according as recited in  claim 21 , wherein,
 the total length of the factory prefabricated filter sleeve is between 10 cm and 12 cm, and   the filter length of the filter is between 25 mm and 40 mm.   
     
     
         23 . The factory prefabricated filter sleeve according as recited in  claim 21 , wherein the total length of the factory prefabricated filter sleeve is approximately 11 cm.