US 12,336,561 B2
Aerosol generating articles
Rui Nuno Batista, Morges (CH); Eva Ferrari, Zola Predosa (IT); Yves Jordil, Lausanne (CH); and Poh Yoke Tritz, Yverdon-les-Bains (FR)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchatel (CH)
Filed on Nov. 20, 2023, as Appl. No. 18/513,977.
Application 18/513,977 is a division of application No. 16/978,264, granted, now 11,839,234, previously published as PCT/EP2019/054546, filed on Feb. 25, 2019.
Claims priority of application No. 18160817 (EP), filed on Mar. 8, 2018.
Prior Publication US 2024/0081391 A1, Mar. 14, 2024
Int. Cl. A24D 3/02 (2006.01); A24D 3/04 (2006.01); A24D 3/17 (2020.01); A24F 42/60 (2020.01); A24F 42/80 (2020.01)
CPC A24D 3/0237 (2013.01) [A24D 3/04 (2013.01); A24D 3/17 (2020.01); A24F 42/60 (2020.01); A24F 42/80 (2020.01)] 7 Claims
OG exemplary drawing
 
1. A method of manufacturing an aerosol permeation element for use in an aerosol generating article, the method comprising:
conveying a plurality of aerosol permeable cores along a conveying path at a first speed; and
forming a sleeve around each core at a second speed greater than the first speed to generate a space between consecutive cores within the sleeve.