Patent ID: 11877593
Assignee: PHILIP MORRIS PRODUCTS S.A.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 13:
14. A method of forming a hollow tubular segment for a mouthpiece of an aerosol-generating article, the method comprising:
conveying a first continuous band of crimped fibers;
conveying a second continuous band of non-crimped fibers;
shaping a portion of the first continuous band into a substantially annular shape having an outer surface and an inner surface;
conveying the second continuous band into contact with the inner surface of the substantially annular shaped portion of the first continuous band; and
affixing the contacted portions together and cutting a segment of the affixed portions from the continuous band to form a hollow tubular segment for a mouthpiece of an aerosol-generating article such that (i) the crimped fibers and (ii) the non-crimped fibers together form the hollow tubular segment.