EP0167863B1 - Variabel ventilierbare Filterzigarette - Google Patents
Variabel ventilierbare Filterzigarette Download PDFInfo
- Publication number
- EP0167863B1 EP0167863B1 EP85107234A EP85107234A EP0167863B1 EP 0167863 B1 EP0167863 B1 EP 0167863B1 EP 85107234 A EP85107234 A EP 85107234A EP 85107234 A EP85107234 A EP 85107234A EP 0167863 B1 EP0167863 B1 EP 0167863B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wrapping sheet
- filter
- sleeve
- cigarette according
- extended
- 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
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Images
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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
Definitions
- the invention relates to a variably ventilated filter cigarette with a groove filter according to the preamble of the main claim.
- Such filter cigarettes are known according to DE-OS 3011 959 and cause a strict separation of smoke flow and ventilation air and a mixture of these only in the smoker's mouth.
- the proportion of ventilation or auxiliary air in such ventilated filter cigarettes depends on several factors, such as the air permeability of the wrapping sheet, i.e. on the number and size of the perforations, and also on the size and number of channels in the groove filter, the filter resistance and the series resistance of the tobacco rod which changes when the cigarette is burned off.
- the desired air intake range can be achieved by e.g. To increase the proportion of the additional air, larger grooves are provided in the groove filter and the wrapping sheets are provided with a correspondingly more permeable perforation. However, such changes in the degree of ventilation are cumbersome and make cigarette manufacture considerably more difficult.
- a filter cigarette is already known from US Pat. No. 3,390,684, in which the ventilation air flow can be regulated either by covering a ventilation opening by means of a finger or by pushing on a sleeve.
- the inadequate variability of the supply of the ventilation air flow and, on the other hand, the deviation of the external appearance compared to conventional filter cigarettes is disadvantageous.
- US Pat. No. 3,376,874 rotatably arranged pot-like sleeves for cigarette filters with which the smoker can influence the filter effect depending on the degree of rotation.
- These adjustable filters with a pot-like sleeve can only be produced in a complicated manner and also change the habitual habit of a conventional filter cigarette. All these known filters also have the disadvantage that they have no guidance of the ventilation air flow that is strictly separate from the smoke flow.
- the invention has set itself the task of developing a variably ventilated filter cigarette of the type described above with several ventilation channels separated from the smoke flow, which depending on the current smoking habits of the consumer himself can be reproducibly adjusted to a greater or lesser degree of ventilation without changing the aroma quality and which does not differ in terms of its appearance from conventional filter cigarettes in terms of its shell area and can ultimately be produced in a simple and conventional manner.
- a ventilated filter cigarette with a groove filter which consists of a fully cylindrical filter body with an air-impermeable sleeve surrounding it, on the circumferential surface of which a plurality of groove-like channels which are essentially axially extending, open on the mouth side and closed on the tobacco side are arranged at a distance from one another, and in which the filter body and the filter-side end of the tobacco section are surrounded by a wrapping sheet which is permeable to air at least in the region of the groove-like channels and which is characterized by a sleeve provided after the mouth-side end of the groove filter, which is rotatable in the over the groove filter
- an elongated wrapping sheet is arranged and has a pot-like design and has a bottom surface which lies against the end face of the groove filter and has a central opening and openings or recesses in the edge area, the Openings or recesses in the edge area with the outlet openings of the groove-like channels can be
- the filter cigarette according to the invention is preferably designed in such a way that the pot-like sleeve is arranged in the extended wrapping sheet by means of an annular circumferential groove which lies on the outer surface of the pot-like sleeve and an annular spring which engages in the groove and which is arranged on the inner surface of the elongated wrapping sheet Turning engagement is held.
- the variably ventilatable filter cigarette can be designed such that the interior of the pot-like sleeve is partially or completely filled with filter material.
- This additional version with filter material can be done with a simple filter plug, but also with a grooved filter.
- a simple filter plug but also with a grooved filter.
- this can be influenced in its qualitative effect if the main smoke flow is allowed to flow through the filter plug in the pot-like sleeve, be it by twisting the sleeve with which the alignment of the channels is prevented and / or by a deliberate permeability for the supply air flow from the channels of the grooved filter plug located in the sleeve into this in order to achieve bundling and mixing of the supply air and main smoke stream in this filter.
- the rotatable sleeve at the mouth end can be rotated into the corresponding position, for example by inserting a pin or with the little finger.
- this sleeve-like extension can be gripped much more easily with the fingers from the outside in order to turn the pot-like sleeve into the desired position, and that the outer habit of the cigarette is not changed either, since practically the outer diameter of the sleeve-like extension only by a small amount, namely by the thickness of the extended wrapping sheet, is smaller.
- this slight difference in the outer diameter can also be compensated for by the fact that the sleeve-like extension in the region no longer covered by the extended wrapping sheet has the same outer diameter as the groove filter surrounded by the wrapping sheet when it emerges from the elongated wrapping sheet and escapes with it.
- the sleeve-like extension regardless of whether it has a cylindrical ring of the same diameter or one with a cranked-off area in which the extended area is no longer covered, that is to say the protruding area is covered with a further envelope sheet.
- this further wrapping sheet which is applied to the protruding part of the pot-like sleeve or to the sleeve-like extension, can be connected to the elongated wrapping sheet via a predetermined breaking point.
- This embodiment not only has the advantage that the wrapping sheet in the area of the groove filter and the elongated wrapping sheet in the area of the pot-like sleeve and also the further wrapping sheet form a uniform, continuous surface, but also that the manufacture of such a filter cigarette is considerably simplified since only a single wrapping sheet with predetermined breaking point around the groove filter, the pot-like sleeve and the sleeve-like extension can be applied in one operation.
- the consumer only needs to blow open the predetermined breaking point in the area of the sleeve-like extension in order to set the desired ventilation effect by turning.
- blocking means are provided on the elongated wrapping sheet and on the rotatable sleeve which only allow limited movement of the rotatable sleeve from a position in which allow the openings or the recesses in the edge region of the bottom surface with the outlet openings of the groove-like channels in the passage position in a blocking position.
- the blocking means preferably consist of a partially annular projection or a lug, which engage in a partially annular groove, wherein a plurality of lugs can also be arranged at a distance from one another, which engage in corresponding partially annular grooves.
- markings can be provided on the outer surface of the sleeve-like extension or on the further wrapping sheet covering it and on the outer surface of the elongated wrapping sheet, indicating the complete passage position and / or blocking position of the ventilation air.
- the groove filter 18 consists of a cylindrical filter body 20 with an air-impermeable sleeve 22, in the circumferential surface of which groove-like channels 24 are embedded. This groove filter 18 is surrounded by a wrapping sheet 26, in which perforations 28 are provided in the region of the channels. The channels are open towards the mouth end and closed towards the tobacco end.
- the auxiliary air flows through the perforations 28 and the channels 24 and, separate from the smoke flowing through the filter core 20 of the groove filter, passes through the outlet openings 25 (FIG. 1 a) of the groove-like channels 24 into the smoker's mouth.
- a pot-like sleeve 30 is arranged, which is rotatably held by an extended wrapping sheet 26 '.
- the pot-like sleeve has an annular circumferential groove 40, into which an annular circumferential projection 38 engages, which is provided on the inner surface of the elongated wrapping sheet 26 '.
- the bottom surface 32 of the cup-like sleeve 30 has various openings, namely a central opening 34 in the area of the end face 21 of the groove filter and further openings 36 in the edge area of the bottom surface 32, which are aligned with the outlet openings 25 ( Fig. 1a) of the groove-like channels 24 are.
- the openings 36 can either be designed as separate openings (FIG. 3a) or as cutouts, as shown in FIG. 3b; here the recesses 37 located in the edge area merge into the central opening.
- the openings 36 located in the edge region of the bottom surface 32 are in register with the outlet openings 25 of the groove-like channels 24, so that the additional air can flow in through the groove-like channels 24 unhindered into the pot-like sleeve 30 and there can mix with the already filtered smoke which enters through the filter body 20 and the central opening 34 in the bottom 32 of the pot-like sleeve into the interior 42 of this sleeve.
- This interior 42 of the pot-like sleeve can optionally also include additional filter material either partially e.g. included as a filter ring 44 (Fig. 2) or completely.
- the pot-like sleeve 30 is extended on the mouth side via the extended wrapping sheet 26 'and forms a sleeve-like extension 50 which extends beyond the wrapping sheet 26'.
- This configuration makes it possible to lightly grip the protruding part with a finger sleeve-like extension to set the desired ventilation.
- the sleeve-like extension 50 is not in a preferred embodiment according to FIG more of the area covered by the elongated sheathing sheet 26 'is slightly expanded after an offset 52 when exiting the elongated sheathing sheet 26', the part 54 of the extending sleeve-like extension 50 having more or less the same outside diameter as the groove filter 18 surrounded by the sheathing sheet 26 and aligned with this more.
- outside diameter of these two parts can be the same or differ by a small proportion.
- the sleeve-like extension 50 is covered with a further wrapping sheet 56 in the area no longer covered by the elongated wrapping sheet 26 ′, that is to say in the projecting area 54.
- the embodiment can be provided both with a cranked and with a continuous sleeve-like extension part 50 or 54.
- the elongated wrapping sheet 26 'and the additional further wrapping sheet 56 these parts can be produced from a uniform material and a connection between the wrapping sheet extension and the wrapping sheet 56' can be established by a predetermined breaking point, such as it is shown in Fig. 7.
- This form of training not only has the advantage of a better optical habit, but also results in a simpler and better production, in which all the areas forming the wrapping sheet, namely the actual wrapping sheet 26, the elongated wrapping sheet 26 'and the further wrapping sheet 56 or 56' in can be attached to the filter cigarette in one operation.
- the predetermined breaking point 58 is blown up and a corresponding rotary movement is made possible by a simple rotary movement in the outer region of the further wrapping sheet 56 ′, that is to say at the outer end of the mouthpiece.
- blocking means are provided which allow only a limited movement of the rotatable sleeve 30; from a point in which the openings or recesses 36 of the bottom surface 32 with the outlet openings 25 of the groove-like channels lie in the passage position to a further complete blocking position in which - as shown in FIG. 1 - no secondary air or auxiliary air occurs at all.
- these blocking means can consist of a partially ring-shaped projection or a nose-shaped projection 60. This projection engages in a corresponding partially annular groove 62.
- a plurality of lugs 60 are preferably arranged at a distance from one another on the inner surface of the elongated wrapping sheet 26 ′, which engage in correspondingly designed partially annular grooves 62 which are shaped in the sleeve 30.
- the air-impermeable sleeve 22 can also be designed to be more or less air-permeable;
- the groove-like channels can also extend to the tobacco-side end of the filter core 20.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85107234T ATE31601T1 (de) | 1984-06-20 | 1985-06-12 | Variabel ventilierbare filterzigarette. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3422776A DE3422776C1 (de) | 1984-06-20 | 1984-06-20 | Variabel ventilierbare Filtercigarette |
DE3422776 | 1984-06-20 | ||
DE19853516841 DE3516841A1 (de) | 1985-05-10 | 1985-05-10 | Variabel ventilierbare filtercigarette |
DE3516841 | 1985-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0167863A1 EP0167863A1 (de) | 1986-01-15 |
EP0167863B1 true EP0167863B1 (de) | 1988-01-07 |
Family
ID=25822275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85107234A Expired EP0167863B1 (de) | 1984-06-20 | 1985-06-12 | Variabel ventilierbare Filterzigarette |
Country Status (5)
Country | Link |
---|---|
US (1) | US4593707A (ja) |
EP (1) | EP0167863B1 (ja) |
JP (1) | JPH0722502B2 (ja) |
CA (1) | CA1226498A (ja) |
ES (2) | ES287550Y (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8531659D0 (en) * | 1985-12-23 | 1986-02-05 | British American Tobacco Co | Smoking articles |
US4677995A (en) * | 1986-02-24 | 1987-07-07 | Philip Morris Incorporated | Filter cigarette |
GB8713904D0 (en) | 1987-06-15 | 1987-07-22 | Tabac Fab Reunies Sa | Filter for smoking articles |
US4848375A (en) * | 1987-11-10 | 1989-07-18 | Philip Morris Incorporated | Filter cigarette |
GB0809865D0 (en) * | 2008-05-30 | 2008-07-09 | British American Tobacco Co | Filter for a smoking article |
GB0813567D0 (en) * | 2008-07-24 | 2008-09-03 | British American Tobacco Co | Filter for a smoking article |
US20100059075A1 (en) * | 2008-09-09 | 2010-03-11 | Steve Woodson | Ventilated smoking material perforation apparatus and method |
US20100059072A1 (en) * | 2008-09-09 | 2010-03-11 | Steve Woodson | Ventilated smoking material perforation apparatus, method and product |
JP2011205917A (ja) * | 2010-03-29 | 2011-10-20 | British American Tobacco Japan Kk | 換気レベルを変えられる喫煙品 |
US8205621B1 (en) | 2011-01-27 | 2012-06-26 | Wayne Seeley | Smoking device for aiding cessation of smoking |
GB201104232D0 (en) | 2011-03-14 | 2011-04-27 | British American Tobacco Co | Smoking article and method of manufacturing a smoking article |
GB2490732A (en) | 2011-05-13 | 2012-11-14 | British American Tobacco Co | Filter for a smoking article |
GB201113936D0 (en) * | 2011-08-12 | 2011-09-28 | British American Tobacco Co | Smoking article and method of manufacturing a smoking article |
GB201223183D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | A smoking article |
GB201223179D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | A smoking article |
GB201411619D0 (en) | 2014-06-30 | 2014-08-13 | British American Tobacco Co | Flow control device |
JPWO2016152825A1 (ja) * | 2015-03-24 | 2018-01-11 | ロート製薬株式会社 | 吸引器具 |
GB201919078D0 (en) * | 2019-12-20 | 2020-02-05 | Nicoventures Trading Ltd | Component for use in an aerosol provision system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376874A (en) * | 1965-04-12 | 1968-04-09 | Kim Yunil | Adjustable cigarette filters |
US3359988A (en) * | 1965-04-21 | 1967-12-26 | Osborne M Thomson | Filter cigarette |
US3428050A (en) * | 1967-02-21 | 1969-02-18 | Walter R Kandel | Filter cigarette of adjustable filter capacity |
US3503406A (en) * | 1968-10-28 | 1970-03-31 | Lawrence Murry Riegel | Cigarettes |
US3512537A (en) * | 1968-11-27 | 1970-05-19 | U S Remedy Corp | Adjustable aerated cigarette |
JPS543960A (en) * | 1977-06-10 | 1979-01-12 | Mitsubishi Plastics Ind Ltd | Dilution injecting apparatus for agricultural chemicals |
JPS5568282A (en) * | 1978-11-17 | 1980-05-22 | Mitsubishi Acetate Co Ltd | Tobacco filter |
US4256122A (en) * | 1979-04-11 | 1981-03-17 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4343319A (en) * | 1980-11-28 | 1982-08-10 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4342322A (en) * | 1980-12-22 | 1982-08-03 | Brown & Williamson Tobacco Corporation | Cigarette filter |
IT1151969B (it) * | 1981-07-06 | 1986-12-24 | Cigarette Components Ltd | Mezzo di filtrazione |
JPS59501892A (ja) * | 1982-09-30 | 1984-11-15 | フィリップ・モーリス・プロダクツ・インコーポレイテッド | フイルタ−シガレツト |
JPS59501813A (ja) * | 1982-09-30 | 1984-11-01 | フィリップ・モーリス・プロダクツ・インコーポレイテッド | 調整可能なフイルタ−・シガレツトおよびその製造法 |
JPS5963179A (ja) * | 1982-10-01 | 1984-04-10 | 三菱アセテート株式会社 | タバコ用吸口 |
-
1985
- 1985-06-12 EP EP85107234A patent/EP0167863B1/de not_active Expired
- 1985-06-14 US US06/744,765 patent/US4593707A/en not_active Expired - Lifetime
- 1985-06-20 JP JP13521485A patent/JPH0722502B2/ja not_active Expired - Lifetime
- 1985-06-20 CA CA000484639A patent/CA1226498A/en not_active Expired
- 1985-06-20 ES ES1985287550U patent/ES287550Y/es not_active Expired
- 1985-12-30 ES ES1985291377U patent/ES291377Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0722502B2 (ja) | 1995-03-15 |
ES287550Y (es) | 1987-01-16 |
EP0167863A1 (de) | 1986-01-15 |
ES287550U (es) | 1986-05-01 |
US4593707A (en) | 1986-06-10 |
JPS6131075A (ja) | 1986-02-13 |
CA1226498A (en) | 1987-09-08 |
ES291377U (es) | 1986-05-16 |
ES291377Y (es) | 1987-01-16 |
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