Filter for a cigarette and filter cigarette
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 23, 2002
Grant Date -
N/A
app pub date -
Jul 24, 2000
filing date -
Jul 29, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter for a cigarette and a filter cigarette which make a smoking feeling much milder without the original cigarette taste and aroma being spoiled are provided. The cigarette filter has a filter rod 8 having an air permeable peripheral surface, and 3 to 12 axial passages 12 in the rod 8. These passages 12 are distributed on a ring having a diameter of 50 to 70% of that of the rod and have a diameter of 0.1 to 0.7 mm. The wall of the axial passages 12 have air permeability. In smoking, ventilation air introduced into the passages 12 dilutes the smoke stream from the cigarette.
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