GEP19960648B - Cigarette filter - Google Patents
Cigarette filterInfo
- Publication number
- GEP19960648B GEP19960648B GEAP1992198A GEAP1992000198A GEP19960648B GE P19960648 B GEP19960648 B GE P19960648B GE AP1992198 A GEAP1992198 A GE AP1992198A GE AP1992000198 A GEAP1992000198 A GE AP1992000198A GE P19960648 B GEP19960648 B GE P19960648B
- Authority
- GE
- Georgia
- Prior art keywords
- grooves
- filter rod
- air
- filter
- flow
- Prior art date
Links
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
A filter for a cigarette includes a porous filter rod circumscribed by a substantially non-porous or air impermeable wrapper with selected air permeable areas, and ventilating air grooves embedded in the wrapped filter rod which extend from on end of the filter rod a preselected distance generally longitudinally of the filter rod. Tipping material circumscribes the wrapped filter rod and is formed with perforations therethrough providing a path for ventilating air flow into the grooves and into the body of the filter rod at the selected air permeable areas outside of the grooves. The walls of each of the grooves are formed with preselected perforations therethrough to provide for the flow of air from the grooves into the body of the filter rod. Under certain smoking conditions most, if not all, of the ventilating air in the grooves will flow from the grooves into the smoker's mouth through the open end of the grooves at the mouth end of the filter rod. Under certain other smoking conditions, at least a part of the ventilating air flowing in the grooves will pass through the apertures of the groove walls and into the body of the filter rod and air will pass through the air impermeable wrapper into the body of the filter rod outside the grooves. The air flowing into the filter body co-mingles with and dilutes the smoke flowing through the filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GEAP1992198A GEP19960648B (en) | 1992-10-01 | 1992-10-01 | Cigarette filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GEAP1992198A GEP19960648B (en) | 1992-10-01 | 1992-10-01 | Cigarette filter |
Publications (1)
Publication Number | Publication Date |
---|---|
GEP19960648B true GEP19960648B (en) | 1996-12-19 |
Family
ID=82309535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GEAP1992198A GEP19960648B (en) | 1992-10-01 | 1992-10-01 | Cigarette filter |
Country Status (1)
Country | Link |
---|---|
GE (1) | GEP19960648B (en) |
-
1992
- 1992-10-01 GE GEAP1992198A patent/GEP19960648B/en unknown
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