Multi-layer filter cartridge

Tobacco – Smoke separator or treater – Interior surface causes particular flow characteristic

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Details

131341, 131344, 131361, A24D 304

Patent

active

050923510

ABSTRACT:
This invention relates to a filter cartridge suited for filtering highly viscous liquid.
According to the invention, non-twisted yarn (sliver) and hard linear material such as strongly-twisted material supporting the non-twisted yarn on the core such as to form inter-yarn pores between the non-twisted yarn and hard linear material.

REFERENCES:
patent: 4022222 (1977-05-01), Berger
patent: 4034765 (1977-07-01), Van Hall
patent: 4388934 (1983-06-01), Luke

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