US 11,737,491 B2
Filtered smoking article
Tetsuya Motodamari, Tokyo (JP)
Assigned to JAPAN TOBACCO INC., Tokyo (JP)
Filed by JAPAN TOBACCO INC., Tokyo (JP)
Filed on Apr. 2, 2020, as Appl. No. 16/838,444.
Application 16/838,444 is a continuation of application No. PCT/JP2017/036042, filed on Oct. 3, 2017.
Prior Publication US 2020/0229490 A1, Jul. 23, 2020
Int. Cl. A24D 3/04 (2006.01); A24D 1/02 (2006.01); A24D 3/06 (2006.01)
CPC A24D 3/04 (2013.01) [A24D 1/02 (2013.01); A24D 3/061 (2013.01); A24D 3/062 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A filtered smoking article comprising:
a smoking body;
a filter comprising a filter member arranged at a downstream end of the smoking body and an air-permeable paper provided to be wound around an outside of the filter member, and further having a flavor capsule arranged therein; and
a tipping paper wound around an outer peripheral surface of a downstream end part of the smoking body and an outer peripheral surface of the filter, and connecting the smoking body and the filter,
wherein the flavor capsule comprises a capsule body, and a colored content liquid stored in the capsule body and containing a flavor component,
wherein the air-permeable paper is arranged to be opposed to a region in which the colored content liquid is released when the flavor capsule is crushed, and has an air permeability of 1,000 C.U. to 30,000 C.U. a density of 0.27-0.55 g/cm3 and an opacity of 40% or more and 70% or less, and
wherein the tipping paper is impermeable to the colored content liquid, and comprises at least three transparent parts that are arranged to be spaced apart from each other in the circumferential direction of the tipping paper and each of the transparent parts is arranged to be opposed to the region in which the colored content liquid is released so as to include parts facing the flavor capsule.