US 11,877,593 B2
Aerosol generating article having improved mouth end cavity
Leonardo Nappi, Neuchatel (CH)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Appl. No. 16/766,111
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchatel (CH)
PCT Filed Nov. 28, 2018, PCT No. PCT/EP2018/082885
§ 371(c)(1), (2) Date May 21, 2020,
PCT Pub. No. WO2019/106038, PCT Pub. Date Jun. 6, 2019.
Claims priority of application No. 17204219 (EP), filed on Nov. 28, 2017.
Prior Publication US 2020/0352218 A1, Nov. 12, 2020
Int. Cl. A24D 3/02 (2006.01); A24D 1/00 (2020.01); A24D 1/04 (2006.01); A24D 3/18 (2006.01); A24D 3/04 (2006.01)
CPC A24D 3/0291 (2013.01) [A24D 1/004 (2013.01); A24D 1/042 (2013.01); A24D 3/04 (2013.01); A24D 3/18 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An aerosol-generating article comprising:
an aerosol-generating substrate and a mouthpiece disposed downstream of the aerosol-generating substrate, the mouthpiece comprising:
a hollow tubular segment at its downstream end defining a mouth end cavity, the hollow tubular segment comprising:
a hollow tube of crimped fibrous material; and
a plurality of non-crimped fibers extending along and affixed to the inner surface of the hollow tube,
wherein (i) the hollow tube of crimped fibrous material and (ii) the plurality of non-crimped fibers extending along and affixed to the inner surface of the hollow tube together form the hollow tubular segment.