US 12,274,291 B2
Tow band for heated tobacco product tip, tip for heated tobacco product, method for manufacturing tow band for heated tobacco product tip, and method for manufacturing heated tobacco product tip
Tomoharu Miyashita, Tokyo (JP)
Assigned to DAICEL CORPORATION, Osaka (JP)
Filed by Daicel Corporation, Osaka (JP)
Filed on Feb. 9, 2023, as Appl. No. 18/107,548.
Application 18/107,548 is a division of application No. 16/467,855, granted, now 11,641,873, previously published as PCT/JP2018/039654, filed on Oct. 25, 2018.
Prior Publication US 2023/0180822 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A24D 3/10 (2006.01); A24D 3/02 (2006.01); D01D 5/06 (2006.01); D01D 10/02 (2006.01); D02G 1/00 (2006.01); D02G 3/02 (2006.01); D02G 1/12 (2006.01)
CPC A24D 3/10 (2013.01) [A24D 3/0204 (2013.01); D02G 1/125 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A tow band of cellulose acetate, comprising:
a bundle of a plurality of united and crimped filaments,
wherein
each of the plurality of filaments is a long fiber filament,
a filament denier is set to a value in a range of 6.0 to 20.0 (inclusive), and
where the total denier is denoted by TD and a breaking strength of the tow band is denoted by F, the breaking strength F is set to a value in a range of 19N to 50N (inclusive), and a ratio F/TD is set to a value of 0.0015N/denier or more.