GB1314188A - Smoke filter - Google Patents
Smoke filterInfo
- Publication number
- GB1314188A GB1314188A GB3174070A GB3174070A GB1314188A GB 1314188 A GB1314188 A GB 1314188A GB 3174070 A GB3174070 A GB 3174070A GB 3174070 A GB3174070 A GB 3174070A GB 1314188 A GB1314188 A GB 1314188A
- Authority
- GB
- United Kingdom
- Prior art keywords
- smoke
- membrane
- plug
- recess
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0283—Manufacture of tobacco smoke filters for filters with special features with means for a non-axial smoke flow
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
1314188 Tobacco-smoke filters R J REYNOLDS TOBACCO CO 30 June 1970 [30 June 1969 (2) 15 Aug 1969 13 Nov 1969 9 Feb 1970 31 March 1970] 31740/70 Heading A2C A smoke filter device comprises an elongated filter body in the form of a smoke impervious plug 20 having a generally cylindrical configuration, with an upstream end wall 22 a downstream end wall 24, and a generally cylindrical side wall 30, an elongated outer sleeve 16 of smoke impervious material surrounding the plug 20, and smoke passage means for directing the flow of smoke through the device, the plug 20 having aperture means 32 (Figs. 6, 7) or recess means (Figs. 8 to 16 not shown) formed in a portion of the wall 30, and a separate thin membrane 18 of smoke impervious material overlying that portion of the side wall 30 containing the aperture means 32 or recess means, and defining therebetween a portion of the smoke passage means, the membrane 18 having a plurality of small smoke acceleration orifices 36 in that portion of the membrane 18 overlying the aperture means 32 or recess means, the sleeve 16 surrounding the membrane 18 and being spaced therefrom to define therebetween another portion of the smoke passage means, whereby substantially all of the smoke that passes through the smoke passage means through the orifices 36. The Fig. 14 embodiment is identical with the Fig. 1 embodiment of Specification 1314189 and is described in the abridgment thereof. Some of the other embodiments described which utilise a recess means rather than an aperture means 32, are also described in the above mentioned specification.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83766969A | 1969-06-30 | 1969-06-30 | |
US83774669A | 1969-06-30 | 1969-06-30 | |
US85041469A | 1969-08-15 | 1969-08-15 | |
US87623769A | 1969-11-13 | 1969-11-13 | |
US951570A | 1970-02-09 | 1970-02-09 | |
US2408170A | 1970-03-31 | 1970-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1314188A true GB1314188A (en) | 1973-04-18 |
Family
ID=27555651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3174070A Expired GB1314188A (en) | 1969-06-30 | 1970-06-30 | Smoke filter |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT302137B (en) |
BE (1) | BE752698A (en) |
DE (1) | DE2032407A1 (en) |
GB (1) | GB1314188A (en) |
NL (1) | NL7009677A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140271A (en) * | 1983-05-26 | 1984-11-28 | Brown & Williamson Tobacco | Filters for cigarettes |
-
1970
- 1970-06-30 GB GB3174070A patent/GB1314188A/en not_active Expired
- 1970-06-30 DE DE19702032407 patent/DE2032407A1/en active Pending
- 1970-06-30 BE BE752698D patent/BE752698A/en unknown
- 1970-06-30 AT AT589070A patent/AT302137B/en not_active IP Right Cessation
- 1970-06-30 NL NL7009677A patent/NL7009677A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140271A (en) * | 1983-05-26 | 1984-11-28 | Brown & Williamson Tobacco | Filters for cigarettes |
Also Published As
Publication number | Publication date |
---|---|
NL7009677A (en) | 1971-01-04 |
BE752698A (en) | 1970-12-30 |
AT302137B (en) | 1972-10-10 |
DE2032407A1 (en) | 1971-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |