US 12,310,399 B2
Non-combustible heating-type smoking article, electric heating-type smoking system, and method for producing non-combustible heating-type smoking article
Kenichi Iwanaga, Tokyo (JP); Toru Sakurai, Tokyo (JP); and Noriko Osawa, Tokyo (JP)
Assigned to JAPAN TOBACCO INC., Tokyo (JP)
Filed by JAPAN TOBACCO INC., Tokyo (JP)
Filed on Apr. 19, 2021, as Appl. No. 17/233,850.
Application 17/233,850 is a continuation of application No. PCT/JP2018/045100, filed on Dec. 7, 2018.
Prior Publication US 2021/0235747 A1, Aug. 5, 2021
Int. Cl. A24D 1/20 (2020.01); A24C 5/01 (2020.01); A24D 1/00 (2020.01); A24D 1/02 (2006.01); A24D 3/04 (2006.01); A24D 3/17 (2020.01); A24F 40/20 (2020.01); B32B 7/12 (2006.01); B32B 15/12 (2006.01); B32B 37/12 (2006.01); B32B 37/20 (2006.01)
CPC A24D 1/20 (2020.01) [A24C 5/01 (2020.01); A24D 1/002 (2013.01); A24D 1/02 (2013.01); A24D 3/043 (2013.01); A24D 3/17 (2020.01); A24F 40/20 (2020.01); B32B 7/12 (2013.01); B32B 15/12 (2013.01); B32B 37/12 (2013.01); B32B 37/20 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2255/06 (2013.01); B32B 2255/12 (2013.01); B32B 2255/26 (2013.01); B32B 2311/00 (2013.01); B32B 2317/12 (2013.01); B32B 2554/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A non-combustible heating smoking article comprising:
a suction port and a distal end opposite the suction port; and
a tobacco part including:
a tobacco filler; and
a non-flammable wrapper directly enclosing the tobacco filler, the wrapper including:
a substrate sheet made of metal extending to the distal end;
a first sheet made of paper and bonded to one surface of the substrate sheet on a side of the tobacco filler; and
a second sheet made of paper and bonded to one other surface of the substrate sheet on a side opposite to the one surface,
wherein the wrapper of the tobacco part extends to the distal end of the smoking article,
wherein the wrapper has a thickness of 50 to 100 μm, and
wherein the wrapper has a basis weight of 40 to 80 g/m2.