Paper filter
OwnerRosi Ana QOLBI, Arief RAHMAN +4inventors
InventorsRosi Ana QOLBI, Arief RAHMAN, Ilham Fadila RAMADHAN, Ian ANINDYA, Agus FAHRONI, Giyanto -
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Abstract
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.
Claims25
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.
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 of the mouthpiece, filter or filter element and which (e.g., extend only part of the core length and) do not extend from either the upstream or downstream ends of the mouthpiece, filter or filter element.
A method for making a mouthpiece, filter or filter element comprising the steps of:
- providing a longitudinally extending continuous core of paper or other biodegradable (e.g., non cellulose acetate containing) filtering material;
- engaging and securing a first wrapper (e.g., plugwrap) around the peripheral surface of the core;
- engaging and securing a second wrapper around the wrapped core, the first wrapper defining at least with the second wrapper a plurality of channels extending longitudinally of the core;
- cutting the continuous core to form individual mouthpieces or filter elements, arranged so the cut ends form the upstream end of the mouthpiece, filter or filter element and the downstream end of the mouthpiece, filter or filter element.
Dependencies are inferred from the claim text.