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1. (WO2017036909) IMPROVED TUBULAR ELEMENTS FOR SMOKING ARTICLES

Pub. No.:    WO/2017/036909    International Application No.:    PCT/EP2016/070061
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Fri Aug 26 01:59:59 CEST 2016
IPC: A24C 5/46
B31C 3/04
Applicants: PHILIP MORRIS PRODUCTS S.A.
Inventors: JARAMILLO, Andres Alberto
EMMETT, Robert
Title: IMPROVED TUBULAR ELEMENTS FOR SMOKING ARTICLES
Abstract:
There is provided a tubular element for use in the manufacture of a filter of a smoking article, the tubular element comprising a first and a second layer wound of substantially continuous strips of a cellulose-fibre-based web material. The strips have predetermined thickness (T) and width (W). The web material is coated on a first surface with an activatable polymer and the first surface of the web material in the first layer faces the first surface of the web material in the second layer. An external diameter of the tubular element is substantially uniform over a given length.