US 12,490,765 B2
Wrapper for aerosol generating article and method of manufacturing same
Ki-Jin Ahn, Daejeon (KR); Jong Yeol Kim, Sejong (KR); Soo Ho Kim, Chungcheongbuk-do (KR); Kyengbae Ma, Incheon (KR); Man Seok Seo, Seoul (KR); Jin Chul Yang, Sejong (KR); and Bong Su Cheong, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/775,452
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Oct. 13, 2021, PCT No. PCT/KR2021/014129
§ 371(c)(1), (2) Date May 9, 2022,
PCT Pub. No. WO2022/080861, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 10-2020-0133740 (KR), filed on Oct. 15, 2020.
Prior Publication US 2022/0386686 A1, Dec. 8, 2022
Int. Cl. A24D 1/02 (2006.01); A24D 1/04 (2006.01); B31F 5/04 (2006.01)
CPC A24D 1/02 (2013.01) [A24D 1/045 (2013.01); B31F 5/04 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of manufacturing a wrapper for an aerosol generating article, the method comprising:
attaching a first paper layer to one surface of a metal layer using an adhesive;
attaching a second paper layer to another surface of the metal layer using the adhesive;
drying the adhesive applied between the metal layer and the first paper layer; and
drying the adhesive applied between the metal layer and the second paper layer,
wherein a width of the first paper layer and a width of the second paper layer are respectively greater than a width of the metal layer,
wherein the first paper layer and the second paper layer extend beyond both edges of the metal layer in the width direction, and
wherein the width of the first paper layer is a same width as the width of the second paper layer.