PAPER FILTER

A mouthpiece, filter or filter element comprising a longitudinally extending core of paper or other biodegradable (e.g., non-cellulose acetate containing) filtering material, a first wrapper engaged around the peripheral surface of the core, and a second wrapper engaged around the first wrapper, the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Giyanto, QOLBI, Rosi Ana, FAHRONI, Agus, RAMADHAN, Ilham Fadila, ANINDYA, Ian, RAHMAN, Arief
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A mouthpiece, filter or filter element comprising a longitudinally extending core of paper or other biodegradable (e.g., non-cellulose acetate containing) filtering material, a first wrapper engaged around the peripheral surface of the core, and a second wrapper engaged around the first wrapper, the first wrapper defining at least with the second wrapper a plurality of channels extending longitudinally from the upstream end of the mouthpiece, filter or filter element and/or a plurality of channels extending longitudinally from the downstream end of the mouthpiece, filter or filter element.