MD8C2 - Cigar filter - Google Patents
Cigar filterInfo
- Publication number
- MD8C2 MD8C2 MD94-0014A MD940014A MD8C2 MD 8 C2 MD8 C2 MD 8C2 MD 940014 A MD940014 A MD 940014A MD 8 C2 MD8 C2 MD 8C2
- Authority
- MD
- Moldova
- Prior art keywords
- filter
- holes
- grooves
- air
- rod
- Prior art date
Links
- 235000019506 cigar Nutrition 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 3
- 238000012856 packing Methods 0.000 abstract 3
- 241000208125 Nicotiana Species 0.000 abstract 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 1
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
1. The invention relates to the cigar filter that contains a porous filter rod with a cylindrical shape, settled in an airproof cover at air, placed along the filter rod from one end to another, releasing its front ends for passing the stream of gases with a great number of longitudinal grooves implemented in the filter rod, their length being shorter than the length of the filter rod with one opened end of the packing material that covers the filter rod and the airproof cover at air and connects the filter with the tobacco rod placed along them that have above the grooves holes for air supply. It is characterized by the fact that in the zone between the grooves and the end of the filter connected with the tobacco rod a circular row of holes are done in the packing material and a cover for pumping the air into the filter that corresponds after location and size.In the zone of each groove or cover additional holes are made for pumping the air into the filter rod, the diameter of these holes being smaller then the diameter of the holes from the circular row.2. Filter according to claim 1, is characterized by the fact that the holes in the packing material in the zone of grooves are placed nearer on the closed ends of the grooves then the opened ones.3. Filter according to claim 1, is characterized by the fact that the holes in the cover made in the zone of grooves are placed nearer the opened ends than the closed ones.Drawings: 3 Drawing:2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/899,590 US4708150A (en) | 1986-08-25 | 1986-08-25 | Cigarette filter |
| SU874203258A SU1547692A3 (en) | 1986-08-25 | 1987-08-24 | Cigarette filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD8B1 MD8B1 (en) | 1994-03-31 |
| MD8C2 true MD8C2 (en) | 1994-08-31 |
Family
ID=26666106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0014A MD8C2 (en) | 1986-08-25 | 1993-12-14 | Cigar filter |
Country Status (3)
| Country | Link |
|---|---|
| LT (1) | LT2009B (en) |
| LV (1) | LV5032A3 (en) |
| MD (1) | MD8C2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256122A (en) * | 1979-04-11 | 1981-03-17 | Brown & Williamson Tobacco Corporation | Cigarette filter |
-
1992
- 1992-08-10 LV LV920093A patent/LV5032A3/en unknown
- 1992-08-28 LT LTRP147A patent/LT2009B/en not_active IP Right Cessation
-
1993
- 1993-12-14 MD MD94-0014A patent/MD8C2/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256122A (en) * | 1979-04-11 | 1981-03-17 | Brown & Williamson Tobacco Corporation | Cigarette filter |
Also Published As
| Publication number | Publication date |
|---|---|
| LV5032A3 (en) | 1993-06-10 |
| MD8B1 (en) | 1994-03-31 |
| LT2009B (en) | 1993-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| IF99 | Valid patent on 19990615 |
Free format text: EXPIRES: 20030213 |